[edk2-devel] [Patch 7/7] MdePkg/Test: Add port of BaseSafeIntLib unit tests to GoogleTest
Michael D Kinney
michael.d.kinney at intel.com
Fri Nov 4 03:30:56 UTC 2022
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4134
Cc: Liming Gao <gaoliming at byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu at intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney at intel.com>
---
.../GoogleTestBaseSafeIntLib.inf | 37 +
.../GoogleTestBaseSafeIntLib.uni | 13 +
.../SafeIntLibUintnIntnUnitTests32.cpp | 425 +++
.../SafeIntLibUintnIntnUnitTests64.cpp | 429 ++++
.../BaseSafeIntLib/TestBaseSafeIntLib.cpp | 2274 +++++++++++++++++
MdePkg/Test/MdePkgHostTest.dsc | 1 +
6 files changed, 3179 insertions(+)
create mode 100644 MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/GoogleTestBaseSafeIntLib.inf
create mode 100644 MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/GoogleTestBaseSafeIntLib.uni
create mode 100644 MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/SafeIntLibUintnIntnUnitTests32.cpp
create mode 100644 MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/SafeIntLibUintnIntnUnitTests64.cpp
create mode 100644 MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/TestBaseSafeIntLib.cpp
diff --git a/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/GoogleTestBaseSafeIntLib.inf b/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/GoogleTestBaseSafeIntLib.inf
new file mode 100644
index 000000000000..f609bfa57f7b
--- /dev/null
+++ b/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/GoogleTestBaseSafeIntLib.inf
@@ -0,0 +1,37 @@
+## @file
+# Host OS based Application that Unit Tests the SafeIntLib using Google Test
+#
+# Copyright (c) 2022, Intel Corporation. All rights reserved.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = GoogleTestBaseSafeIntLib
+ MODULE_UNI_FILE = GoogleTestBaseSafeIntLib.uni
+ FILE_GUID = 2D9C1796-B0D2-4DA7-9529-1F8D9CCC11D3
+ MODULE_TYPE = HOST_APPLICATION
+ VERSION_STRING = 1.0
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Sources]
+ TestBaseSafeIntLib.cpp
+
+[Sources.IA32]
+ SafeIntLibUintnIntnUnitTests32.cpp
+
+[Sources.X64]
+ SafeIntLibUintnIntnUnitTests64.cpp
+
+[Packages]
+ MdePkg/MdePkg.dec
+ UnitTestFrameworkPkg/UnitTestFrameworkPkg.dec
+
+[LibraryClasses]
+ GoogleTestLib
+ SafeIntLib
diff --git a/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/GoogleTestBaseSafeIntLib.uni b/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/GoogleTestBaseSafeIntLib.uni
new file mode 100644
index 000000000000..1c11b9e05205
--- /dev/null
+++ b/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/GoogleTestBaseSafeIntLib.uni
@@ -0,0 +1,13 @@
+// /** @file
+// Application that Unit Tests the SafeIntLib using Google Test
+//
+// Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+#string STR_MODULE_ABSTRACT #language en-US "Application that Unit Tests the SafeIntLib using Google Test"
+
+#string STR_MODULE_DESCRIPTION #language en-US "Application that Unit Tests the SafeIntLib using Google Test."
+
diff --git a/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/SafeIntLibUintnIntnUnitTests32.cpp b/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/SafeIntLibUintnIntnUnitTests32.cpp
new file mode 100644
index 000000000000..6fbf302c1c5e
--- /dev/null
+++ b/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/SafeIntLibUintnIntnUnitTests32.cpp
@@ -0,0 +1,425 @@
+/** @file
+ IA32-specific functions for unit-testing INTN and UINTN functions in
+ SafeIntLib.
+
+ Copyright (c) Microsoft Corporation.<BR>
+ Copyright (c) 2019 - 2020, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <gtest/gtest.h>
+extern "C" {
+ #include <Base.h>
+ #include <Library/SafeIntLib.h>
+}
+
+TEST(ConversionTestSuite, TestSafeInt32ToUintn) {
+ RETURN_STATUS Status;
+ INT32 Operand;
+ UINTN Result;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeInt32ToUintn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINTN)0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-1537977259);
+ Status = SafeInt32ToUintn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint32ToIntn) {
+ RETURN_STATUS Status;
+ UINT32 Operand;
+ INTN Result;
+
+ //
+ // If Operand is <= MAX_INTN, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeUint32ToIntn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabababab);
+ Status = SafeUint32ToIntn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeIntnToInt32) {
+ RETURN_STATUS Status;
+ INTN Operand;
+ INT32 Result;
+
+ //
+ // INTN is same as INT32 in IA32, so this is just a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeIntnToInt32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bababab, Result);
+}
+
+TEST(ConversionTestSuite, TestSafeIntnToUint32) {
+ RETURN_STATUS Status;
+ INTN Operand;
+ UINT32 Result;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeIntnToUint32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT32)0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-1537977259);
+ Status = SafeIntnToUint32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUintnToUint32) {
+ RETURN_STATUS Status;
+ UINTN Operand;
+ UINT32 Result;
+
+ //
+ // UINTN is same as UINT32 in IA32, so this is just a cast
+ //
+ Operand = 0xabababab;
+ Result = 0;
+ Status = SafeUintnToUint32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabababab, Result);
+}
+
+TEST(ConversionTestSuite, TestSafeUintnToIntn) {
+ RETURN_STATUS Status;
+ UINTN Operand;
+ INTN Result;
+
+ //
+ // If Operand is <= MAX_INTN, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeUintnToIntn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabababab);
+ Status = SafeUintnToIntn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUintnToInt64) {
+ RETURN_STATUS Status;
+ UINTN Operand;
+ INT64 Result;
+
+ //
+ // UINTN is same as UINT32 in IA32, and UINT32 is a subset of
+ // INT64, so this is just a cast
+ //
+ Operand = 0xabababab;
+ Result = 0;
+ Status = SafeUintnToInt64 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabababab, Result);
+}
+
+TEST(ConversionTestSuite, TestSafeInt64ToIntn) {
+ RETURN_STATUS Status;
+ INT64 Operand;
+ INTN Result;
+
+ //
+ // If Operand is between MIN_INTN and MAX_INTN2 inclusive, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeInt64ToIntn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bababab, Result);
+
+ Operand = (-1537977259);
+ Status = SafeInt64ToIntn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-1537977259), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5babababefefefef);
+ Status = SafeInt64ToIntn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-6605562033422200815);
+ Status = SafeInt64ToIntn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt64ToUintn) {
+ RETURN_STATUS Status;
+ INT64 Operand;
+ UINTN Result;
+
+ //
+ // If Operand is between 0 and MAX_UINTN inclusive, then it's a cast
+ //
+ Operand = 0xabababab;
+ Result = 0;
+ Status = SafeInt64ToUintn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5babababefefefef);
+ Status = SafeInt64ToUintn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-6605562033422200815);
+ Status = SafeInt64ToUintn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint64ToIntn) {
+ RETURN_STATUS Status;
+ UINT64 Operand;
+ INTN Result;
+
+ //
+ // If Operand is <= MAX_INTN, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeUint64ToIntn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUint64ToIntn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint64ToUintn) {
+ RETURN_STATUS Status;
+ UINT64 Operand;
+ UINTN Result;
+
+ //
+ // If Operand is <= MAX_UINTN, then it's a cast
+ //
+ Operand = 0xabababab;
+ Result = 0;
+ Status = SafeUint64ToUintn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUint64ToUintn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeUintnAdd) {
+ RETURN_STATUS Status;
+ UINTN Augend;
+ UINTN Addend;
+ UINTN Result;
+
+ //
+ // If the result of addition doesn't overflow MAX_UINTN, then it's addition
+ //
+ Augend = 0x3a3a3a3a;
+ Addend = 0x3a3a3a3a;
+ Result = 0;
+ Status = SafeUintnAdd (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINTN)0x74747474, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Augend = 0xabababab;
+ Addend = 0xbcbcbcbc;
+ Status = SafeUintnAdd (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeIntnAdd) {
+ RETURN_STATUS Status;
+ INTN Augend;
+ INTN Addend;
+ INTN Result;
+
+ //
+ // If the result of addition doesn't overflow MAX_INTN
+ // and doesn't underflow MIN_INTN, then it's addition
+ //
+ Augend = 0x3a3a3a3a;
+ Addend = 0x3a3a3a3a;
+ Result = 0;
+ Status = SafeIntnAdd (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x74747474, Result);
+
+ Augend = (-976894522);
+ Addend = (-976894522);
+ Status = SafeIntnAdd (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-1953789044), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Augend = 0x5a5a5a5a;
+ Addend = 0x5a5a5a5a;
+ Status = SafeIntnAdd (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Augend = (-1515870810);
+ Addend = (-1515870810);
+ Status = SafeIntnAdd (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeUintnSub) {
+ RETURN_STATUS Status;
+ UINTN Minuend;
+ UINTN Subtrahend;
+ UINTN Result;
+
+ //
+ // If Minuend >= Subtrahend, then it's subtraction
+ //
+ Minuend = 0x5a5a5a5a;
+ Subtrahend = 0x3b3b3b3b;
+ Result = 0;
+ Status = SafeUintnSub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINTN)0x1f1f1f1f, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Minuend = 0x5a5a5a5a;
+ Subtrahend = 0x6d6d6d6d;
+ Status = SafeUintnSub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeIntnSub) {
+ RETURN_STATUS Status;
+ INTN Minuend;
+ INTN Subtrahend;
+ INTN Result;
+
+ //
+ // If the result of subtractions doesn't overflow MAX_INTN or
+ // underflow MIN_INTN, then it's subtraction
+ //
+ Minuend = 0x5a5a5a5a;
+ Subtrahend = 0x3a3a3a3a;
+ Result = 0;
+ Status = SafeIntnSub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x20202020, Result);
+
+ Minuend = 0x3a3a3a3a;
+ Subtrahend = 0x5a5a5a5a;
+ Status = SafeIntnSub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-538976288), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Minuend = (-2054847098);
+ Subtrahend = 2054847098;
+ Status = SafeIntnSub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Minuend = (2054847098);
+ Subtrahend = (-2054847098);
+ Status = SafeIntnSub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(MultiplicationTestSuite, TestSafeUintnMult) {
+ RETURN_STATUS Status;
+ UINTN Multiplicand;
+ UINTN Multiplier;
+ UINTN Result;
+
+ //
+ // If the result of multiplication doesn't overflow MAX_UINTN, it will succeed
+ //
+ Multiplicand = 0xa122a;
+ Multiplier = 0xd23;
+ Result = 0;
+ Status = SafeUintnMult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x844c9dbe, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Multiplicand = 0xa122a;
+ Multiplier = 0xed23;
+ Status = SafeUintnMult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(MultiplicationTestSuite, TestSafeIntnMult) {
+ RETURN_STATUS Status;
+ INTN Multiplicand;
+ INTN Multiplier;
+ INTN Result;
+
+ //
+ // If the result of multiplication doesn't overflow MAX_INTN and doesn't
+ // underflow MIN_UINTN, it will succeed
+ //
+ Multiplicand = 0x123456;
+ Multiplier = 0x678;
+ Result = 0;
+ Status = SafeIntnMult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x75c28c50, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Multiplicand = 0x123456;
+ Multiplier = 0xabc;
+ Status = SafeIntnMult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
diff --git a/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/SafeIntLibUintnIntnUnitTests64.cpp b/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/SafeIntLibUintnIntnUnitTests64.cpp
new file mode 100644
index 000000000000..6fb0710cfed6
--- /dev/null
+++ b/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/SafeIntLibUintnIntnUnitTests64.cpp
@@ -0,0 +1,429 @@
+/** @file
+ x64-specific functions for unit-testing INTN and UINTN functions in
+ SafeIntLib.
+
+ Copyright (c) Microsoft Corporation.<BR>
+ Copyright (c) 2019 - 2020, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <gtest/gtest.h>
+extern "C" {
+ #include <Base.h>
+ #include <Library/SafeIntLib.h>
+}
+
+TEST(ConversionTestSuite, TestSafeInt32ToUintn) {
+ RETURN_STATUS Status;
+ INT32 Operand;
+ UINTN Result;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeInt32ToUintn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINTN)0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-1537977259);
+ Status = SafeInt32ToUintn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint32ToIntn) {
+ RETURN_STATUS Status;
+ UINT32 Operand;
+ INTN Result;
+
+ //
+ // For x64, INTN is same as INT64 which is a superset of INT32
+ // This is just a cast then, and it'll never fail
+ //
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0xabababab;
+ Result = 0;
+ Status = SafeUint32ToIntn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabababab, Result);
+}
+
+TEST(ConversionTestSuite, TestSafeIntnToInt32) {
+ RETURN_STATUS Status;
+ INTN Operand;
+ INT32 Result;
+
+ //
+ // If Operand is between MIN_INT32 and MAX_INT32 inclusive, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeIntnToInt32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bababab, Result);
+
+ Operand = (-1537977259);
+ Status = SafeIntnToInt32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-1537977259), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5babababefefefef);
+ Status = SafeIntnToInt32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-6605562033422200815);
+ Status = SafeIntnToInt32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeIntnToUint32) {
+ RETURN_STATUS Status;
+ INTN Operand;
+ UINT32 Result;
+
+ //
+ // If Operand is between 0 and MAX_UINT32 inclusive, then it's a cast
+ //
+ Operand = 0xabababab;
+ Result = 0;
+ Status = SafeIntnToUint32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5babababefefefef);
+ Status = SafeIntnToUint32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-6605562033422200815);
+ Status = SafeIntnToUint32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUintnToUint32) {
+ RETURN_STATUS Status;
+ UINTN Operand;
+ UINT32 Result;
+
+ //
+ // If Operand is <= MAX_UINT32, then it's a cast
+ //
+ Operand = 0xabababab;
+ Result = 0;
+ Status = SafeUintnToUint32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUintnToUint32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUintnToIntn) {
+ RETURN_STATUS Status;
+ UINTN Operand;
+ INTN Result;
+
+ //
+ // If Operand is <= MAX_INTN (0x7fff_ffff_ffff_ffff), then it's a cast
+ //
+ Operand = 0x5babababefefefef;
+ Result = 0;
+ Status = SafeUintnToIntn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5babababefefefef, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUintnToIntn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUintnToInt64) {
+ RETURN_STATUS Status;
+ UINTN Operand;
+ INT64 Result;
+
+ //
+ // If Operand is <= MAX_INT64, then it's a cast
+ //
+ Operand = 0x5babababefefefef;
+ Result = 0;
+ Status = SafeUintnToInt64 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5babababefefefef, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUintnToInt64 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt64ToIntn) {
+ RETURN_STATUS Status;
+ INT64 Operand;
+ INTN Result;
+
+ //
+ // INTN is same as INT64 in x64, so this is just a cast
+ //
+ Operand = 0x5babababefefefef;
+ Result = 0;
+ Status = SafeInt64ToIntn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5babababefefefef, Result);
+}
+
+TEST(ConversionTestSuite, TestSafeInt64ToUintn) {
+ RETURN_STATUS Status;
+ INT64 Operand;
+ UINTN Result;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0x5babababefefefef;
+ Result = 0;
+ Status = SafeInt64ToUintn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINTN)0x5babababefefefef, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-6605562033422200815);
+ Status = SafeInt64ToUintn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint64ToIntn) {
+ RETURN_STATUS Status;
+ UINT64 Operand;
+ INTN Result;
+
+ //
+ // If Operand is <= MAX_INTN (0x7fff_ffff_ffff_ffff), then it's a cast
+ //
+ Operand = 0x5babababefefefef;
+ Result = 0;
+ Status = SafeUint64ToIntn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5babababefefefef, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUint64ToIntn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint64ToUintn) {
+ RETURN_STATUS Status;
+ UINT64 Operand;
+ UINTN Result;
+
+ //
+ // UINTN is same as UINT64 in x64, so this is just a cast
+ //
+ Operand = 0xababababefefefef;
+ Result = 0;
+ Status = SafeUint64ToUintn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xababababefefefef, Result);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeUintnAdd) {
+ RETURN_STATUS Status;
+ UINTN Augend;
+ UINTN Addend;
+ UINTN Result;
+
+ //
+ // If the result of addition doesn't overflow MAX_UINTN, then it's addition
+ //
+ Augend = 0x3a3a3a3a12121212;
+ Addend = 0x3a3a3a3a12121212;
+ Result = 0;
+ Status = SafeUintnAdd (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINTN)0x7474747424242424, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Augend = 0xababababefefefef;
+ Addend = 0xbcbcbcbcdededede;
+ Status = SafeUintnAdd (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeIntnAdd) {
+ RETURN_STATUS Status;
+ INTN Augend;
+ INTN Addend;
+ INTN Result;
+
+ //
+ // If the result of addition doesn't overflow MAX_INTN
+ // and doesn't underflow MIN_INTN, then it's addition
+ //
+ Augend = 0x3a3a3a3a3a3a3a3a;
+ Addend = 0x3a3a3a3a3a3a3a3a;
+ Result = 0;
+ Status = SafeIntnAdd (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x7474747474747474, Result);
+
+ Augend = (-4195730024608447034);
+ Addend = (-4195730024608447034);
+ Status = SafeIntnAdd (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-8391460049216894068), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Augend = 0x5a5a5a5a5a5a5a5a;
+ Addend = 0x5a5a5a5a5a5a5a5a;
+ Status = SafeIntnAdd (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Augend = (-6510615555426900570);
+ Addend = (-6510615555426900570);
+ Status = SafeIntnAdd (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeUintnSub) {
+ RETURN_STATUS Status;
+ UINTN Minuend;
+ UINTN Subtrahend;
+ UINTN Result;
+
+ //
+ // If Minuend >= Subtrahend, then it's subtraction
+ //
+ Minuend = 0x5a5a5a5a5a5a5a5a;
+ Subtrahend = 0x3b3b3b3b3b3b3b3b;
+ Result = 0;
+ Status = SafeUintnSub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINTN)0x1f1f1f1f1f1f1f1f, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Minuend = 0x5a5a5a5a5a5a5a5a;
+ Subtrahend = 0x6d6d6d6d6d6d6d6d;
+ Status = SafeUintnSub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeIntnSub) {
+ RETURN_STATUS Status;
+ INTN Minuend;
+ INTN Subtrahend;
+ INTN Result;
+
+ //
+ // If the result of subtractions doesn't overflow MAX_INTN or
+ // underflow MIN_INTN, then it's subtraction
+ //
+ Minuend = 0x5a5a5a5a5a5a5a5a;
+ Subtrahend = 0x3a3a3a3a3a3a3a3a;
+ Result = 0;
+ Status = SafeIntnSub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x2020202020202020, Result);
+
+ Minuend = 0x3a3a3a3a3a3a3a3a;
+ Subtrahend = 0x5a5a5a5a5a5a5a5a;
+ Status = SafeIntnSub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-2314885530818453536), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Minuend = (-8825501086245354106);
+ Subtrahend = 8825501086245354106;
+ Status = SafeIntnSub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Minuend = (8825501086245354106);
+ Subtrahend = (-8825501086245354106);
+ Status = SafeIntnSub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(MultiplicationTestSuite, TestSafeUintnMult) {
+ RETURN_STATUS Status;
+ UINTN Multiplicand;
+ UINTN Multiplier;
+ UINTN Result;
+
+ //
+ // If the result of multiplication doesn't overflow MAX_UINTN, it will succeed
+ //
+ Multiplicand = 0x123456789a;
+ Multiplier = 0x1234567;
+ Result = 0;
+ Status = SafeUintnMult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINTN)0x14b66db9745a07f6, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Multiplicand = 0x123456789a;
+ Multiplier = 0x12345678;
+ Status = SafeUintnMult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(MultiplicationTestSuite, TestSafeIntnMult) {
+ RETURN_STATUS Status;
+ INTN Multiplicand;
+ INTN Multiplier;
+ INTN Result;
+
+ //
+ // If the result of multiplication doesn't overflow MAX_INTN and doesn't
+ // underflow MIN_UINTN, it will succeed
+ //
+ Multiplicand = 0x123456789;
+ Multiplier = 0x6789abcd;
+ Result = 0;
+ Status = SafeIntnMult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x75cd9045220d6bb5, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Multiplicand = 0x123456789;
+ Multiplier = 0xa789abcd;
+ Status = SafeIntnMult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
diff --git a/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/TestBaseSafeIntLib.cpp b/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/TestBaseSafeIntLib.cpp
new file mode 100644
index 000000000000..1fd51067a1f3
--- /dev/null
+++ b/MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/TestBaseSafeIntLib.cpp
@@ -0,0 +1,2274 @@
+/** @file
+ UEFI OS based application for unit testing the SafeIntLib.
+
+ Copyright (c) Microsoft Corporation.<BR>
+ Copyright (c) 2018 - 2022, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <gtest/gtest.h>
+extern "C" {
+ #include <Base.h>
+ #include <Library/SafeIntLib.h>
+}
+
+//
+// Conversion function tests:
+//
+TEST(ConversionTestSuite, TestSafeInt8ToUint8) {
+ RETURN_STATUS Status;
+ INT8 Operand;
+ UINT8 Result;
+
+ //
+ // Positive UINT8 should result in just a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt8ToUint8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Negative number should result in an error status
+ //
+ Operand = (-56);
+ Status = SafeInt8ToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt8ToUint16) {
+ RETURN_STATUS Status;
+ INT8 Operand;
+ UINT16 Result;
+
+ //
+ // Positive UINT8 should result in just a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt8ToUint16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Negative number should result in an error status
+ //
+ Operand = (-56);
+ Status = SafeInt8ToUint16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt8ToUint32) {
+ RETURN_STATUS Status;
+ INT8 Operand;
+ UINT32 Result;
+
+ //
+ // Positive UINT8 should result in just a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt8ToUint32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT32)0x5b, Result);
+
+ //
+ // Negative number should result in an error status
+ //
+ Operand = (-56);
+ Status = SafeInt8ToUint32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt8ToUintn) {
+ RETURN_STATUS Status;
+ INT8 Operand;
+ UINTN Result;
+
+ //
+ // Positive UINT8 should result in just a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt8ToUintn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINTN)0x5b, Result);
+
+ //
+ // Negative number should result in an error status
+ //
+ Operand = (-56);
+ Status = SafeInt8ToUintn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt8ToUint64) {
+ RETURN_STATUS Status;
+ INT8 Operand;
+ UINT64 Result;
+
+ //
+ // Positive UINT8 should result in just a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt8ToUint64 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT64)0x5b, Result);
+
+ //
+ // Negative number should result in an error status
+ //
+ Operand = (-56);
+ Status = SafeInt8ToUint64 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint8ToInt8) {
+ RETURN_STATUS Status;
+ UINT8 Operand;
+ INT8 Result;
+
+ //
+ // Operand <= 0x7F (MAX_INT8) should result in a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeUint8ToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Operand larger than 0x7f should result in an error status
+ //
+ Operand = 0xaf;
+ Status = SafeUint8ToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint8ToChar8) {
+ RETURN_STATUS Status;
+ UINT8 Operand;
+ CHAR8 Result;
+
+ //
+ // CHAR8 is typedefed as char, which by default is signed, thus
+ // CHAR8 is same as INT8, so same tests as above:
+ //
+
+ //
+ // Operand <= 0x7F (MAX_INT8) should result in a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeUint8ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Operand larger than 0x7f should result in an error status
+ //
+ Operand = 0xaf;
+ Status = SafeUint8ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt16ToInt8) {
+ RETURN_STATUS Status;
+ INT16 Operand;
+ INT8 Result;
+
+ //
+ // If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt16ToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ Operand = (-35);
+ Status = SafeInt16ToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-35), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = 0x1234;
+ Status = SafeInt16ToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-17835);
+ Status = SafeInt16ToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt16ToChar8) {
+ RETURN_STATUS Status;
+ INT16 Operand;
+ CHAR8 Result;
+
+ //
+ // CHAR8 is typedefed as char, which may be signed or unsigned based
+ // on the compiler. Thus, for compatibility CHAR8 should be between 0 and MAX_INT8.
+ //
+
+ //
+ // If Operand is between 0 and MAX_INT8 inclusive, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt16ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ Operand = 0;
+ Result = 0;
+ Status = SafeInt16ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0, Result);
+
+ Operand = MAX_INT8;
+ Result = 0;
+ Status = SafeInt16ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (MAX_INT8, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-35);
+ Status = SafeInt16ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = 0x1234;
+ Status = SafeInt16ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-17835);
+ Status = SafeInt16ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt16ToUint8) {
+ RETURN_STATUS Status;
+ INT16 Operand;
+ UINT8 Result;
+
+ //
+ // If Operand is between 0 and MAX_INT8 inclusive, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt16ToUint8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = 0x1234;
+ Status = SafeInt16ToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-17835);
+ Status = SafeInt16ToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt16ToUint16) {
+ RETURN_STATUS Status;
+ INT16 Operand = 0x5b5b;
+ UINT16 Result = 0;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Status = SafeInt16ToUint16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-17835);
+ Status = SafeInt16ToUint16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt16ToUint32) {
+ RETURN_STATUS Status;
+ INT16 Operand;
+ UINT32 Result;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0x5b5b;
+ Result = 0;
+ Status = SafeInt16ToUint32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT32)0x5b5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-17835);
+ Status = SafeInt16ToUint32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt16ToUintn) {
+ RETURN_STATUS Status;
+ INT16 Operand;
+ UINTN Result;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0x5b5b;
+ Result = 0;
+ Status = SafeInt16ToUintn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINTN)0x5b5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-17835);
+ Status = SafeInt16ToUintn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt16ToUint64) {
+ RETURN_STATUS Status;
+ INT16 Operand;
+ UINT64 Result;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0x5b5b;
+ Result = 0;
+ Status = SafeInt16ToUint64 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT64)0x5b5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-17835);
+ Status = SafeInt16ToUint64 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint16ToInt8) {
+ RETURN_STATUS Status;
+ UINT16 Operand;
+ INT8 Result;
+
+ //
+ // If Operand is <= MAX_INT8, it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeUint16ToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5b5b);
+ Status = SafeUint16ToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint16ToChar8) {
+ RETURN_STATUS Status;
+ UINT16 Operand;
+ CHAR8 Result;
+
+ // CHAR8 is typedefed as char, which by default is signed, thus
+ // CHAR8 is same as INT8, so same tests as above:
+
+ //
+ // If Operand is <= MAX_INT8, it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeUint16ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5b5b);
+ Status = SafeUint16ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint16ToUint8) {
+ RETURN_STATUS Status;
+ UINT16 Operand;
+ UINT8 Result;
+
+ //
+ // If Operand is <= MAX_UINT8 (0xff), it's a cast
+ //
+ Operand = 0xab;
+ Result = 0;
+ Status = SafeUint16ToUint8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5b5b);
+ Status = SafeUint16ToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint16ToInt16) {
+ RETURN_STATUS Status;
+ UINT16 Operand;
+ INT16 Result;
+
+ //
+ // If Operand is <= MAX_INT16 (0x7fff), it's a cast
+ //
+ Operand = 0x5b5b;
+ Result = 0;
+ Status = SafeUint16ToInt16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabab);
+ Status = SafeUint16ToInt16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt32ToInt8) {
+ RETURN_STATUS Status;
+ INT32 Operand;
+ INT8 Result;
+
+ //
+ // If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt32ToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ Operand = (-57);
+ Status = SafeInt32ToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-57), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5bababab);
+ Status = SafeInt32ToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-1537977259);
+ Status = SafeInt32ToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt32ToChar8) {
+ RETURN_STATUS Status;
+ INT32 Operand;
+ CHAR8 Result;
+
+ //
+ // CHAR8 is typedefed as char, which may be signed or unsigned based
+ // on the compiler. Thus, for compatibility CHAR8 should be between 0 and MAX_INT8.
+ //
+
+ //
+ // If Operand is between 0 and MAX_INT8 inclusive, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt32ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ Operand = 0;
+ Result = 0;
+ Status = SafeInt32ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0, Result);
+
+ Operand = MAX_INT8;
+ Result = 0;
+ Status = SafeInt32ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (MAX_INT8, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-57);
+ Status = SafeInt32ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (0x5bababab);
+ Status = SafeInt32ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-1537977259);
+ Status = SafeInt32ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt32ToUint8) {
+ RETURN_STATUS Status;
+ INT32 Operand;
+ UINT8 Result;
+
+ //
+ // If Operand is between 0 and MAX_INT8 inclusive, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt32ToUint8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-57);
+ Status = SafeInt32ToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (0x5bababab);
+ Status = SafeInt32ToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-1537977259);
+ Status = SafeInt32ToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt32ToInt16) {
+ RETURN_STATUS Status;
+ INT32 Operand;
+ INT16 Result;
+
+ //
+ // If Operand is between MIN_INT16 and MAX_INT16 inclusive, then it's a cast
+ //
+ Operand = 0x5b5b;
+ Result = 0;
+ Status = SafeInt32ToInt16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b5b, Result);
+
+ Operand = (-17857);
+ Status = SafeInt32ToInt16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-17857), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5bababab);
+ Status = SafeInt32ToInt16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-1537977259);
+ Status = SafeInt32ToInt16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt32ToUint16) {
+ RETURN_STATUS Status;
+ INT32 Operand;
+ UINT16 Result;
+
+ //
+ // If Operand is between 0 and MAX_UINT16 inclusive, then it's a cast
+ //
+ Operand = 0xabab;
+ Result = 0;
+ Status = SafeInt32ToUint16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-17857);
+ Status = SafeInt32ToUint16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (0x5bababab);
+ Status = SafeInt32ToUint16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-1537977259);
+ Status = SafeInt32ToUint16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt32ToUint32) {
+ RETURN_STATUS Status;
+ INT32 Operand;
+ UINT32 Result;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeInt32ToUint32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT32)0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-1537977259);
+ Status = SafeInt32ToUint32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt32ToUint64) {
+ RETURN_STATUS Status;
+ INT32 Operand;
+ UINT64 Result;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeInt32ToUint64 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT64)0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-1537977259);
+ Status = SafeInt32ToUint64 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint32ToInt8) {
+ RETURN_STATUS Status;
+ UINT32 Operand;
+ INT8 Result;
+
+ //
+ // If Operand is <= MAX_INT8, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeUint32ToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5bababab);
+ Status = SafeUint32ToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint32ToChar8) {
+ RETURN_STATUS Status;
+ UINT32 Operand;
+ CHAR8 Result;
+
+ // CHAR8 is typedefed as char, which by default is signed, thus
+ // CHAR8 is same as INT8, so same tests as above:
+
+ //
+ // If Operand is <= MAX_INT8, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeUint32ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5bababab);
+ Status = SafeUint32ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint32ToUint8) {
+ RETURN_STATUS Status;
+ UINT32 Operand;
+ UINT8 Result;
+
+ //
+ // If Operand is <= MAX_UINT8, then it's a cast
+ //
+ Operand = 0xab;
+ Result = 0;
+ Status = SafeUint32ToUint8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabababab);
+ Status = SafeUint32ToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint32ToInt16) {
+ RETURN_STATUS Status;
+ UINT32 Operand;
+ INT16 Result;
+
+ //
+ // If Operand is <= MAX_INT16, then it's a cast
+ //
+ Operand = 0x5bab;
+ Result = 0;
+ Status = SafeUint32ToInt16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabababab);
+ Status = SafeUint32ToInt16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint32ToUint16) {
+ RETURN_STATUS Status;
+ UINT32 Operand;
+ UINT16 Result;
+
+ //
+ // If Operand is <= MAX_UINT16, then it's a cast
+ //
+ Operand = 0xabab;
+ Result = 0;
+ Status = SafeUint32ToUint16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabababab);
+ Status = SafeUint32ToUint16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint32ToInt32) {
+ RETURN_STATUS Status;
+ UINT32 Operand;
+ INT32 Result;
+
+ //
+ // If Operand is <= MAX_INT32, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeUint32ToInt32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabababab);
+ Status = SafeUint32ToInt32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeIntnToInt8) {
+ RETURN_STATUS Status;
+ INTN Operand;
+ INT8 Result;
+
+ //
+ // If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeIntnToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ Operand = (-53);
+ Status = SafeIntnToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-53), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5bababab);
+ Status = SafeIntnToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-1537977259);
+ Status = SafeIntnToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeIntnToChar8) {
+ RETURN_STATUS Status;
+ INTN Operand;
+ CHAR8 Result;
+
+ //
+ // CHAR8 is typedefed as char, which may be signed or unsigned based
+ // on the compiler. Thus, for compatibility CHAR8 should be between 0 and MAX_INT8.
+ //
+
+ //
+ // If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeIntnToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ Operand = 0;
+ Result = 0;
+ Status = SafeIntnToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0, Result);
+
+ Operand = MAX_INT8;
+ Result = 0;
+ Status = SafeIntnToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (MAX_INT8, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-53);
+ Status = SafeIntnToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (0x5bababab);
+ Status = SafeIntnToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-1537977259);
+ Status = SafeIntnToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeIntnToUint8) {
+ RETURN_STATUS Status;
+ INTN Operand;
+ UINT8 Result;
+
+ //
+ // If Operand is between 0 and MAX_UINT8 inclusive, then it's a cast
+ //
+ Operand = 0xab;
+ Result = 0;
+ Status = SafeIntnToUint8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5bababab);
+ Status = SafeIntnToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-1537977259);
+ Status = SafeIntnToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeIntnToInt16) {
+ RETURN_STATUS Status;
+ INTN Operand;
+ INT16 Result;
+
+ //
+ // If Operand is between MIN_INT16 and MAX_INT16 inclusive, then it's a cast
+ //
+ Operand = 0x5bab;
+ Result = 0;
+ Status = SafeIntnToInt16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bab, Result);
+
+ Operand = (-23467);
+ Status = SafeIntnToInt16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-23467), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5bababab);
+ Status = SafeIntnToInt16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-1537977259);
+ Status = SafeIntnToInt16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeIntnToUint16) {
+ RETURN_STATUS Status;
+ INTN Operand;
+ UINT16 Result;
+
+ //
+ // If Operand is between 0 and MAX_UINT16 inclusive, then it's a cast
+ //
+ Operand = 0xabab;
+ Result = 0;
+ Status = SafeIntnToUint16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5bababab);
+ Status = SafeIntnToUint16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-1537977259);
+ Status = SafeIntnToUint16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeIntnToUintn) {
+ RETURN_STATUS Status;
+ INTN Operand;
+ UINTN Result;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeIntnToUintn (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINTN)0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-1537977259);
+ Status = SafeIntnToUintn (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeIntnToUint64) {
+ RETURN_STATUS Status;
+ INTN Operand;
+ UINT64 Result;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeIntnToUint64 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT64)0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-1537977259);
+ Status = SafeIntnToUint64 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUintnToInt8) {
+ RETURN_STATUS Status;
+ UINTN Operand;
+ INT8 Result;
+
+ //
+ // If Operand is <= MAX_INT8, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeUintnToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabab);
+ Status = SafeUintnToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUintnToChar8) {
+ RETURN_STATUS Status;
+ UINTN Operand;
+ CHAR8 Result;
+
+ // CHAR8 is typedefed as char, which by default is signed, thus
+ // CHAR8 is same as INT8, so same tests as above:
+
+ //
+ // If Operand is <= MAX_INT8, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeUintnToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabab);
+ Status = SafeUintnToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUintnToUint8) {
+ RETURN_STATUS Status;
+ UINTN Operand;
+ UINT8 Result;
+
+ //
+ // If Operand is <= MAX_UINT8, then it's a cast
+ //
+ Operand = 0xab;
+ Result = 0;
+ Status = SafeUintnToUint8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabab);
+ Status = SafeUintnToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUintnToInt16) {
+ RETURN_STATUS Status;
+ UINTN Operand;
+ INT16 Result;
+
+ //
+ // If Operand is <= MAX_INT16, then it's a cast
+ //
+ Operand = 0x5bab;
+ Result = 0;
+ Status = SafeUintnToInt16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabab);
+ Status = SafeUintnToInt16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUintnToUint16) {
+ RETURN_STATUS Status;
+ UINTN Operand;
+ UINT16 Result;
+
+ //
+ // If Operand is <= MAX_UINT16, then it's a cast
+ //
+ Operand = 0xabab;
+ Result = 0;
+ Status = SafeUintnToUint16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabababab);
+ Status = SafeUintnToUint16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUintnToInt32) {
+ RETURN_STATUS Status;
+ UINTN Operand;
+ INT32 Result;
+
+ //
+ // If Operand is <= MAX_INT32, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeUintnToInt32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xabababab);
+ Status = SafeUintnToInt32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt64ToInt8) {
+ RETURN_STATUS Status;
+ INT64 Operand;
+ INT8 Result;
+
+ //
+ // If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt64ToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ Operand = (-37);
+ Status = SafeInt64ToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-37), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5babababefefefef);
+ Status = SafeInt64ToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-6605562033422200815);
+ Status = SafeInt64ToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt64ToChar8) {
+ RETURN_STATUS Status;
+ INT64 Operand;
+ CHAR8 Result;
+
+ //
+ // CHAR8 is typedefed as char, which may be signed or unsigned based
+ // on the compiler. Thus, for compatibility CHAR8 should be between 0 and MAX_INT8.
+ //
+
+ //
+ // If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeInt64ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ Operand = 0;
+ Result = 0;
+ Status = SafeInt64ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0, Result);
+
+ Operand = MAX_INT8;
+ Result = 0;
+ Status = SafeInt64ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (MAX_INT8, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-37);
+ Status = SafeInt64ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (0x5babababefefefef);
+ Status = SafeInt64ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-6605562033422200815);
+ Status = SafeInt64ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt64ToUint8) {
+ RETURN_STATUS Status;
+ INT64 Operand;
+ UINT8 Result;
+
+ //
+ // If Operand is between 0 and MAX_UINT8 inclusive, then it's a cast
+ //
+ Operand = 0xab;
+ Result = 0;
+ Status = SafeInt64ToUint8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5babababefefefef);
+ Status = SafeInt64ToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-6605562033422200815);
+ Status = SafeInt64ToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt64ToInt16) {
+ RETURN_STATUS Status;
+ INT64 Operand;
+ INT16 Result;
+
+ //
+ // If Operand is between MIN_INT16 and MAX_INT16 inclusive, then it's a cast
+ //
+ Operand = 0x5bab;
+ Result = 0;
+ Status = SafeInt64ToInt16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bab, Result);
+
+ Operand = (-23467);
+ Status = SafeInt64ToInt16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-23467), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5babababefefefef);
+ Status = SafeInt64ToInt16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-6605562033422200815);
+ Status = SafeInt64ToInt16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt64ToUint16) {
+ RETURN_STATUS Status;
+ INT64 Operand;
+ UINT16 Result;
+
+ //
+ // If Operand is between 0 and MAX_UINT16 inclusive, then it's a cast
+ //
+ Operand = 0xabab;
+ Result = 0;
+ Status = SafeInt64ToUint16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5babababefefefef);
+ Status = SafeInt64ToUint16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-6605562033422200815);
+ Status = SafeInt64ToUint16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt64ToInt32) {
+ RETURN_STATUS Status;
+ INT64 Operand;
+ INT32 Result;
+
+ //
+ // If Operand is between MIN_INT32 and MAX_INT32 inclusive, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeInt64ToInt32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bababab, Result);
+
+ Operand = (-1537977259);
+ Status = SafeInt64ToInt32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-1537977259), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5babababefefefef);
+ Status = SafeInt64ToInt32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-6605562033422200815);
+ Status = SafeInt64ToInt32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt64ToUint32) {
+ RETURN_STATUS Status;
+ INT64 Operand;
+ UINT32 Result;
+
+ //
+ // If Operand is between 0 and MAX_UINT32 inclusive, then it's a cast
+ //
+ Operand = 0xabababab;
+ Result = 0;
+ Status = SafeInt64ToUint32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0x5babababefefefef);
+ Status = SafeInt64ToUint32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Operand = (-6605562033422200815);
+ Status = SafeInt64ToUint32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeInt64ToUint64) {
+ RETURN_STATUS Status;
+ INT64 Operand;
+ UINT64 Result;
+
+ //
+ // If Operand is non-negative, then it's a cast
+ //
+ Operand = 0x5babababefefefef;
+ Result = 0;
+ Status = SafeInt64ToUint64 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT64)0x5babababefefefef, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (-6605562033422200815);
+ Status = SafeInt64ToUint64 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint64ToInt8) {
+ RETURN_STATUS Status;
+ UINT64 Operand;
+ INT8 Result;
+
+ //
+ // If Operand is <= MAX_INT8, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeUint64ToInt8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUint64ToInt8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint64ToChar8) {
+ RETURN_STATUS Status;
+ UINT64 Operand;
+ CHAR8 Result;
+
+ // CHAR8 is typedefed as char, which by default is signed, thus
+ // CHAR8 is same as INT8, so same tests as above:
+
+ //
+ // If Operand is <= MAX_INT8, then it's a cast
+ //
+ Operand = 0x5b;
+ Result = 0;
+ Status = SafeUint64ToChar8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5b, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUint64ToChar8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint64ToUint8) {
+ RETURN_STATUS Status;
+ UINT64 Operand;
+ UINT8 Result;
+
+ //
+ // If Operand is <= MAX_UINT8, then it's a cast
+ //
+ Operand = 0xab;
+ Result = 0;
+ Status = SafeUint64ToUint8 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUint64ToUint8 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint64ToInt16) {
+ RETURN_STATUS Status;
+ UINT64 Operand;
+ INT16 Result;
+
+ //
+ // If Operand is <= MAX_INT16, then it's a cast
+ //
+ Operand = 0x5bab;
+ Result = 0;
+ Status = SafeUint64ToInt16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUint64ToInt16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint64ToUint16) {
+ RETURN_STATUS Status;
+ UINT64 Operand;
+ UINT16 Result;
+
+ //
+ // If Operand is <= MAX_UINT16, then it's a cast
+ //
+ Operand = 0xabab;
+ Result = 0;
+ Status = SafeUint64ToUint16 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUint64ToUint16 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint64ToInt32) {
+ RETURN_STATUS Status;
+ UINT64 Operand;
+ INT32 Result;
+
+ //
+ // If Operand is <= MAX_INT32, then it's a cast
+ //
+ Operand = 0x5bababab;
+ Result = 0;
+ Status = SafeUint64ToInt32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5bababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUint64ToInt32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint64ToUint32) {
+ RETURN_STATUS Status;
+ UINT64 Operand;
+ UINT32 Result;
+
+ //
+ // If Operand is <= MAX_UINT32, then it's a cast
+ //
+ Operand = 0xabababab;
+ Result = 0;
+ Status = SafeUint64ToUint32 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xabababab, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUint64ToUint32 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(ConversionTestSuite, TestSafeUint64ToInt64) {
+ RETURN_STATUS Status;
+ UINT64 Operand;
+ INT64 Result;
+
+ //
+ // If Operand is <= MAX_INT64, then it's a cast
+ //
+ Operand = 0x5babababefefefef;
+ Result = 0;
+ Status = SafeUint64ToInt64 (Operand, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x5babababefefefef, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Operand = (0xababababefefefef);
+ Status = SafeUint64ToInt64 (Operand, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+//
+// Addition function tests:
+//
+TEST(AdditionSubtractionTestSuite, TestSafeUint8Add) {
+ RETURN_STATUS Status;
+ UINT8 Augend;
+ UINT8 Addend;
+ UINT8 Result;
+
+ //
+ // If the result of addition doesn't overflow MAX_UINT8, then it's addition
+ //
+ Augend = 0x3a;
+ Addend = 0x3a;
+ Result = 0;
+ Status = SafeUint8Add (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x74, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Augend = 0xab;
+ Addend = 0xbc;
+ Status = SafeUint8Add (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeUint16Add) {
+ RETURN_STATUS Status;
+ UINT16 Augend = 0x3a3a;
+ UINT16 Addend = 0x3a3a;
+ UINT16 Result = 0;
+
+ //
+ // If the result of addition doesn't overflow MAX_UINT16, then it's addition
+ //
+ Status = SafeUint16Add (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x7474, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Augend = 0xabab;
+ Addend = 0xbcbc;
+ Status = SafeUint16Add (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeUint32Add) {
+ RETURN_STATUS Status;
+ UINT32 Augend;
+ UINT32 Addend;
+ UINT32 Result;
+
+ //
+ // If the result of addition doesn't overflow MAX_UINT32, then it's addition
+ //
+ Augend = 0x3a3a3a3a;
+ Addend = 0x3a3a3a3a;
+ Result = 0;
+ Status = SafeUint32Add (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT32)0x74747474, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Augend = 0xabababab;
+ Addend = 0xbcbcbcbc;
+ Status = SafeUint32Add (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeUint64Add) {
+ RETURN_STATUS Status;
+ UINT64 Augend;
+ UINT64 Addend;
+ UINT64 Result;
+
+ //
+ // If the result of addition doesn't overflow MAX_UINT64, then it's addition
+ //
+ Augend = 0x3a3a3a3a12121212;
+ Addend = 0x3a3a3a3a12121212;
+ Result = 0;
+ Status = SafeUint64Add (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT64)0x7474747424242424, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Augend = 0xababababefefefef;
+ Addend = 0xbcbcbcbcdededede;
+ Status = SafeUint64Add (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeInt8Add) {
+ RETURN_STATUS Status;
+ INT8 Augend;
+ INT8 Addend;
+ INT8 Result;
+
+ //
+ // If the result of addition doesn't overflow MAX_INT8
+ // and doesn't underflow MIN_INT8, then it's addition
+ //
+ Augend = 0x3a;
+ Addend = 0x3a;
+ Result = 0;
+ Status = SafeInt8Add (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x74, Result);
+
+ Augend = (-58);
+ Addend = (-58);
+ Status = SafeInt8Add (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-116), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Augend = 0x5a;
+ Addend = 0x5a;
+ Status = SafeInt8Add (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Augend = (-90);
+ Addend = (-90);
+ Status = SafeInt8Add (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeInt16Add) {
+ RETURN_STATUS Status;
+ INT16 Augend;
+ INT16 Addend;
+ INT16 Result;
+
+ //
+ // If the result of addition doesn't overflow MAX_INT16
+ // and doesn't underflow MIN_INT16, then it's addition
+ //
+ Augend = 0x3a3a;
+ Addend = 0x3a3a;
+ Result = 0;
+ Status = SafeInt16Add (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x7474, Result);
+
+ Augend = (-14906);
+ Addend = (-14906);
+ Status = SafeInt16Add (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-29812), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Augend = 0x5a5a;
+ Addend = 0x5a5a;
+ Status = SafeInt16Add (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Augend = (-23130);
+ Addend = (-23130);
+ Status = SafeInt16Add (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeInt32Add) {
+ RETURN_STATUS Status;
+ INT32 Augend;
+ INT32 Addend;
+ INT32 Result;
+
+ //
+ // If the result of addition doesn't overflow MAX_INT32
+ // and doesn't underflow MIN_INT32, then it's addition
+ //
+ Augend = 0x3a3a3a3a;
+ Addend = 0x3a3a3a3a;
+ Result = 0;
+ Status = SafeInt32Add (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x74747474, Result);
+
+ Augend = (-976894522);
+ Addend = (-976894522);
+ Status = SafeInt32Add (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-1953789044), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Augend = 0x5a5a5a5a;
+ Addend = 0x5a5a5a5a;
+ Status = SafeInt32Add (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Augend = (-1515870810);
+ Addend = (-1515870810);
+ Status = SafeInt32Add (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeInt64Add) {
+ RETURN_STATUS Status;
+ INT64 Augend;
+ INT64 Addend;
+ INT64 Result;
+
+ //
+ // If the result of addition doesn't overflow MAX_INT64
+ // and doesn't underflow MIN_INT64, then it's addition
+ //
+ Augend = 0x3a3a3a3a3a3a3a3a;
+ Addend = 0x3a3a3a3a3a3a3a3a;
+ Result = 0;
+ Status = SafeInt64Add (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x7474747474747474, Result);
+
+ Augend = (-4195730024608447034);
+ Addend = (-4195730024608447034);
+ Status = SafeInt64Add (Augend, Addend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-8391460049216894068), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Augend = 0x5a5a5a5a5a5a5a5a;
+ Addend = 0x5a5a5a5a5a5a5a5a;
+ Status = SafeInt64Add (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Augend = (-6510615555426900570);
+ Addend = (-6510615555426900570);
+ Status = SafeInt64Add (Augend, Addend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+//
+// Subtraction function tests:
+//
+TEST(AdditionSubtractionTestSuite, TestSafeUint8Sub) {
+ RETURN_STATUS Status;
+ UINT8 Minuend;
+ UINT8 Subtrahend;
+ UINT8 Result;
+
+ //
+ // If Minuend >= Subtrahend, then it's subtraction
+ //
+ Minuend = 0x5a;
+ Subtrahend = 0x3b;
+ Result = 0;
+ Status = SafeUint8Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x1f, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Minuend = 0x5a;
+ Subtrahend = 0x6d;
+ Status = SafeUint8Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeUint16Sub) {
+ RETURN_STATUS Status;
+ UINT16 Minuend;
+ UINT16 Subtrahend;
+ UINT16 Result;
+
+ //
+ // If Minuend >= Subtrahend, then it's subtraction
+ //
+ Minuend = 0x5a5a;
+ Subtrahend = 0x3b3b;
+ Result = 0;
+ Status = SafeUint16Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x1f1f, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Minuend = 0x5a5a;
+ Subtrahend = 0x6d6d;
+ Status = SafeUint16Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeUint32Sub) {
+ RETURN_STATUS Status;
+ UINT32 Minuend;
+ UINT32 Subtrahend;
+ UINT32 Result;
+
+ //
+ // If Minuend >= Subtrahend, then it's subtraction
+ //
+ Minuend = 0x5a5a5a5a;
+ Subtrahend = 0x3b3b3b3b;
+ Result = 0;
+ Status = SafeUint32Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT32)0x1f1f1f1f, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Minuend = 0x5a5a5a5a;
+ Subtrahend = 0x6d6d6d6d;
+ Status = SafeUint32Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeUint64Sub) {
+ RETURN_STATUS Status;
+ UINT64 Minuend;
+ UINT64 Subtrahend;
+ UINT64 Result;
+
+ //
+ // If Minuend >= Subtrahend, then it's subtraction
+ //
+ Minuend = 0x5a5a5a5a5a5a5a5a;
+ Subtrahend = 0x3b3b3b3b3b3b3b3b;
+ Result = 0;
+ Status = SafeUint64Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT64)0x1f1f1f1f1f1f1f1f, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Minuend = 0x5a5a5a5a5a5a5a5a;
+ Subtrahend = 0x6d6d6d6d6d6d6d6d;
+ Status = SafeUint64Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeInt8Sub) {
+ RETURN_STATUS Status;
+ INT8 Minuend;
+ INT8 Subtrahend;
+ INT8 Result;
+
+ //
+ // If the result of subtractions doesn't overflow MAX_INT8 or
+ // underflow MIN_INT8, then it's subtraction
+ //
+ Minuend = 0x5a;
+ Subtrahend = 0x3a;
+ Result = 0;
+ Status = SafeInt8Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x20, Result);
+
+ Minuend = 58;
+ Subtrahend = 78;
+ Status = SafeInt8Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-20), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Minuend = (-80);
+ Subtrahend = 80;
+ Status = SafeInt8Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Minuend = (80);
+ Subtrahend = (-80);
+ Status = SafeInt8Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeInt16Sub) {
+ RETURN_STATUS Status;
+ INT16 Minuend;
+ INT16 Subtrahend;
+ INT16 Result;
+
+ //
+ // If the result of subtractions doesn't overflow MAX_INT16 or
+ // underflow MIN_INT16, then it's subtraction
+ //
+ Minuend = 0x5a5a;
+ Subtrahend = 0x3a3a;
+ Result = 0;
+ Status = SafeInt16Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x2020, Result);
+
+ Minuend = 0x3a3a;
+ Subtrahend = 0x5a5a;
+ Status = SafeInt16Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-8224), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Minuend = (-31354);
+ Subtrahend = 31354;
+ Status = SafeInt16Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Minuend = (31354);
+ Subtrahend = (-31354);
+ Status = SafeInt16Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeInt32Sub) {
+ RETURN_STATUS Status;
+ INT32 Minuend;
+ INT32 Subtrahend;
+ INT32 Result;
+
+ //
+ // If the result of subtractions doesn't overflow MAX_INT32 or
+ // underflow MIN_INT32, then it's subtraction
+ //
+ Minuend = 0x5a5a5a5a;
+ Subtrahend = 0x3a3a3a3a;
+ Result = 0;
+ Status = SafeInt32Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x20202020, Result);
+
+ Minuend = 0x3a3a3a3a;
+ Subtrahend = 0x5a5a5a5a;
+ Status = SafeInt32Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-538976288), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Minuend = (-2054847098);
+ Subtrahend = 2054847098;
+ Status = SafeInt32Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Minuend = (2054847098);
+ Subtrahend = (-2054847098);
+ Status = SafeInt32Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(AdditionSubtractionTestSuite, TestSafeInt64Sub) {
+ RETURN_STATUS Status;
+ INT64 Minuend;
+ INT64 Subtrahend;
+ INT64 Result;
+
+ //
+ // If the result of subtractions doesn't overflow MAX_INT64 or
+ // underflow MIN_INT64, then it's subtraction
+ //
+ Minuend = 0x5a5a5a5a5a5a5a5a;
+ Subtrahend = 0x3a3a3a3a3a3a3a3a;
+ Result = 0;
+ Status = SafeInt64Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x2020202020202020, Result);
+
+ Minuend = 0x3a3a3a3a3a3a3a3a;
+ Subtrahend = 0x5a5a5a5a5a5a5a5a;
+ Status = SafeInt64Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((-2314885530818453536), Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Minuend = (-8825501086245354106);
+ Subtrahend = 8825501086245354106;
+ Status = SafeInt64Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+
+ Minuend = (8825501086245354106);
+ Subtrahend = (-8825501086245354106);
+ Status = SafeInt64Sub (Minuend, Subtrahend, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+//
+// Multiplication function tests:
+//
+TEST(MultiplicationTestSuite, TestSafeUint8Mult) {
+ RETURN_STATUS Status;
+ UINT8 Multiplicand;
+ UINT8 Multiplier;
+ UINT8 Result;
+
+ //
+ // If the result of multiplication doesn't overflow MAX_UINT8, it will succeed
+ //
+ Multiplicand = 0x12;
+ Multiplier = 0xa;
+ Result = 0;
+ Status = SafeUint8Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xb4, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Multiplicand = 0x12;
+ Multiplier = 0x23;
+ Status = SafeUint8Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(MultiplicationTestSuite, TestSafeUint16Mult) {
+ RETURN_STATUS Status;
+ UINT16 Multiplicand;
+ UINT16 Multiplier;
+ UINT16 Result;
+
+ //
+ // If the result of multiplication doesn't overflow MAX_UINT16, it will succeed
+ //
+ Multiplicand = 0x212;
+ Multiplier = 0x7a;
+ Result = 0;
+ Status = SafeUint16Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0xfc94, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Multiplicand = 0x1234;
+ Multiplier = 0x213;
+ Status = SafeUint16Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(MultiplicationTestSuite, TestSafeUint32Mult) {
+ RETURN_STATUS Status;
+ UINT32 Multiplicand;
+ UINT32 Multiplier;
+ UINT32 Result;
+
+ //
+ // If the result of multiplication doesn't overflow MAX_UINT32, it will succeed
+ //
+ Multiplicand = 0xa122a;
+ Multiplier = 0xd23;
+ Result = 0;
+ Status = SafeUint32Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x844c9dbe, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Multiplicand = 0xa122a;
+ Multiplier = 0xed23;
+ Status = SafeUint32Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(MultiplicationTestSuite, TestSafeUint64Mult) {
+ RETURN_STATUS Status;
+ UINT64 Multiplicand;
+ UINT64 Multiplier;
+ UINT64 Result;
+
+ //
+ // If the result of multiplication doesn't overflow MAX_UINT64, it will succeed
+ //
+ Multiplicand = 0x123456789a;
+ Multiplier = 0x1234567;
+ Result = 0;
+ Status = SafeUint64Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ ((UINT64)0x14b66db9745a07f6, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Multiplicand = 0x123456789a;
+ Multiplier = 0x12345678;
+ Status = SafeUint64Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(MultiplicationTestSuite, TestSafeInt8Mult) {
+ RETURN_STATUS Status;
+ INT8 Multiplicand;
+ INT8 Multiplier;
+ INT8 Result;
+
+ //
+ // If the result of multiplication doesn't overflow MAX_INT8 and doesn't
+ // underflow MIN_UINT8, it will succeed
+ //
+ Multiplicand = 0x12;
+ Multiplier = 0x7;
+ Result = 0;
+ Status = SafeInt8Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x7e, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Multiplicand = 0x12;
+ Multiplier = 0xa;
+ Status = SafeInt8Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(MultiplicationTestSuite, TestSafeInt16Mult) {
+ RETURN_STATUS Status;
+ INT16 Multiplicand;
+ INT16 Multiplier;
+ INT16 Result;
+
+ //
+ // If the result of multiplication doesn't overflow MAX_INT16 and doesn't
+ // underflow MIN_UINT16, it will succeed
+ //
+ Multiplicand = 0x123;
+ Multiplier = 0x67;
+ Result = 0;
+ Status = SafeInt16Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x7515, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Multiplicand = 0x123;
+ Multiplier = 0xab;
+ Status = SafeInt16Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(MultiplicationTestSuite, TestSafeInt32Mult) {
+ RETURN_STATUS Status;
+ INT32 Multiplicand;
+ INT32 Multiplier;
+ INT32 Result;
+
+ //
+ // If the result of multiplication doesn't overflow MAX_INT32 and doesn't
+ // underflow MIN_UINT32, it will succeed
+ //
+ Multiplicand = 0x123456;
+ Multiplier = 0x678;
+ Result = 0;
+ Status = SafeInt32Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x75c28c50, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Multiplicand = 0x123456;
+ Multiplier = 0xabc;
+ Status = SafeInt32Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+TEST(MultiplicationTestSuite, TestSafeInt64Mult) {
+ RETURN_STATUS Status;
+ INT64 Multiplicand;
+ INT64 Multiplier;
+ INT64 Result;
+
+ //
+ // If the result of multiplication doesn't overflow MAX_INT64 and doesn't
+ // underflow MIN_UINT64, it will succeed
+ //
+ Multiplicand = 0x123456789;
+ Multiplier = 0x6789abcd;
+ Result = 0;
+ Status = SafeInt64Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (Status, RETURN_SUCCESS);
+ ASSERT_EQ (0x75cd9045220d6bb5, Result);
+
+ //
+ // Otherwise should result in an error status
+ //
+ Multiplicand = 0x123456789;
+ Multiplier = 0xa789abcd;
+ Status = SafeInt64Mult (Multiplicand, Multiplier, &Result);
+ ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
+}
+
+int main(int argc, char* argv[]) {
+ testing::InitGoogleTest(&argc, argv);
+ return RUN_ALL_TESTS();
+}
diff --git a/MdePkg/Test/MdePkgHostTest.dsc b/MdePkg/Test/MdePkgHostTest.dsc
index 0cac14f0e557..b8b186dd8b17 100644
--- a/MdePkg/Test/MdePkgHostTest.dsc
+++ b/MdePkg/Test/MdePkgHostTest.dsc
@@ -28,6 +28,7 @@ [Components]
#
MdePkg/Test/UnitTest/Library/BaseSafeIntLib/TestBaseSafeIntLibHost.inf
MdePkg/Test/UnitTest/Library/BaseLib/BaseLibUnitTestsHost.inf
+ MdePkg/Test/GoogleTest/Library/BaseSafeIntLib/GoogleTestBaseSafeIntLib.inf
#
# Build HOST_APPLICATION Libraries
--
2.37.1.windows.1
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