MdePkg/Test: Add port of BaseSafeIntLib unit tests to GoogleTest

[mirror_edk2.git] / MdePkg / Test / GoogleTest / Library / BaseSafeIntLib / TestBaseSafeIntLib.cpp

/** @file\r
  UEFI OS based application for unit testing the SafeIntLib.\r
\r
  Copyright (c) Microsoft Corporation.<BR>\r
  Copyright (c) 2018 - 2022, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
**/\r
\r
#include <gtest/gtest.h>\r
extern "C" {\r
  #include <Base.h>\r
  #include <Library/SafeIntLib.h>\r
}\r
\r
//\r
// Conversion function tests:\r
//\r
TEST(ConversionTestSuite, TestSafeInt8ToUint8) {\r
  RETURN_STATUS  Status;\r
  INT8        Operand;\r
  UINT8       Result;\r
\r
  //\r
  // Positive UINT8 should result in just a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt8ToUint8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Negative number should result in an error status\r
  //\r
  Operand = (-56);\r
  Status  = SafeInt8ToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt8ToUint16) {\r
  RETURN_STATUS  Status;\r
  INT8        Operand;\r
  UINT16      Result;\r
\r
  //\r
  // Positive UINT8 should result in just a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt8ToUint16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Negative number should result in an error status\r
  //\r
  Operand = (-56);\r
  Status  = SafeInt8ToUint16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt8ToUint32) {\r
  RETURN_STATUS  Status;\r
  INT8        Operand;\r
  UINT32      Result;\r
\r
  //\r
  // Positive UINT8 should result in just a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt8ToUint32 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT32)0x5b, Result);\r
\r
  //\r
  // Negative number should result in an error status\r
  //\r
  Operand = (-56);\r
  Status  = SafeInt8ToUint32 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt8ToUintn) {\r
  RETURN_STATUS  Status;\r
  INT8        Operand;\r
  UINTN       Result;\r
\r
  //\r
  // Positive UINT8 should result in just a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt8ToUintn (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINTN)0x5b, Result);\r
\r
  //\r
  // Negative number should result in an error status\r
  //\r
  Operand = (-56);\r
  Status  = SafeInt8ToUintn (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt8ToUint64) {\r
  RETURN_STATUS  Status;\r
  INT8        Operand;\r
  UINT64      Result;\r
\r
  //\r
  // Positive UINT8 should result in just a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt8ToUint64 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT64)0x5b, Result);\r
\r
  //\r
  // Negative number should result in an error status\r
  //\r
  Operand = (-56);\r
  Status  = SafeInt8ToUint64 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint8ToInt8) {\r
  RETURN_STATUS  Status;\r
  UINT8       Operand;\r
  INT8        Result;\r
\r
  //\r
  // Operand <= 0x7F (MAX_INT8) should result in a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeUint8ToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Operand larger than 0x7f should result in an error status\r
  //\r
  Operand = 0xaf;\r
  Status  = SafeUint8ToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint8ToChar8) {\r
  RETURN_STATUS  Status;\r
  UINT8       Operand;\r
  CHAR8       Result;\r
\r
  //\r
  // CHAR8 is typedefed as char, which by default is signed, thus\r
  // CHAR8 is same as INT8, so same tests as above:\r
  //\r
\r
  //\r
  // Operand <= 0x7F (MAX_INT8) should result in a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeUint8ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Operand larger than 0x7f should result in an error status\r
  //\r
  Operand = 0xaf;\r
  Status  = SafeUint8ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt16ToInt8) {\r
  RETURN_STATUS  Status;\r
  INT16       Operand;\r
  INT8        Result;\r
\r
  //\r
  // If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt16ToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  Operand = (-35);\r
  Status  = SafeInt16ToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-35), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = 0x1234;\r
  Status  = SafeInt16ToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-17835);\r
  Status  = SafeInt16ToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt16ToChar8) {\r
  RETURN_STATUS  Status;\r
  INT16       Operand;\r
  CHAR8       Result;\r
\r
  //\r
  // CHAR8 is typedefed as char, which may be signed or unsigned based\r
  // on the compiler. Thus, for compatibility CHAR8 should be between 0 and MAX_INT8.\r
  //\r
\r
  //\r
  // If Operand is between 0 and MAX_INT8 inclusive, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt16ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  Operand = 0;\r
  Result  = 0;\r
  Status  = SafeInt16ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0, Result);\r
\r
  Operand = MAX_INT8;\r
  Result  = 0;\r
  Status  = SafeInt16ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (MAX_INT8, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-35);\r
  Status  = SafeInt16ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = 0x1234;\r
  Status  = SafeInt16ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-17835);\r
  Status  = SafeInt16ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt16ToUint8) {\r
  RETURN_STATUS  Status;\r
  INT16       Operand;\r
  UINT8       Result;\r
\r
  //\r
  // If Operand is between 0 and MAX_INT8 inclusive, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt16ToUint8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = 0x1234;\r
  Status  = SafeInt16ToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-17835);\r
  Status  = SafeInt16ToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt16ToUint16) {\r
  RETURN_STATUS  Status;\r
  INT16       Operand = 0x5b5b;\r
  UINT16      Result  = 0;\r
\r
  //\r
  // If Operand is non-negative, then it's a cast\r
  //\r
  Status = SafeInt16ToUint16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-17835);\r
  Status  = SafeInt16ToUint16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt16ToUint32) {\r
  RETURN_STATUS  Status;\r
  INT16       Operand;\r
  UINT32      Result;\r
\r
  //\r
  // If Operand is non-negative, then it's a cast\r
  //\r
  Operand = 0x5b5b;\r
  Result  = 0;\r
  Status  = SafeInt16ToUint32 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT32)0x5b5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-17835);\r
  Status  = SafeInt16ToUint32 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt16ToUintn) {\r
  RETURN_STATUS  Status;\r
  INT16       Operand;\r
  UINTN       Result;\r
\r
  //\r
  // If Operand is non-negative, then it's a cast\r
  //\r
  Operand = 0x5b5b;\r
  Result  = 0;\r
  Status  = SafeInt16ToUintn (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINTN)0x5b5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-17835);\r
  Status  = SafeInt16ToUintn (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt16ToUint64) {\r
  RETURN_STATUS  Status;\r
  INT16       Operand;\r
  UINT64      Result;\r
\r
  //\r
  // If Operand is non-negative, then it's a cast\r
  //\r
  Operand = 0x5b5b;\r
  Result  = 0;\r
  Status  = SafeInt16ToUint64 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT64)0x5b5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-17835);\r
  Status  = SafeInt16ToUint64 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint16ToInt8) {\r
  RETURN_STATUS  Status;\r
  UINT16      Operand;\r
  INT8        Result;\r
\r
  //\r
  // If Operand is <= MAX_INT8, it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeUint16ToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5b5b);\r
  Status  = SafeUint16ToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint16ToChar8) {\r
  RETURN_STATUS  Status;\r
  UINT16      Operand;\r
  CHAR8       Result;\r
\r
  // CHAR8 is typedefed as char, which by default is signed, thus\r
  // CHAR8 is same as INT8, so same tests as above:\r
\r
  //\r
  // If Operand is <= MAX_INT8, it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeUint16ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5b5b);\r
  Status  = SafeUint16ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint16ToUint8) {\r
  RETURN_STATUS  Status;\r
  UINT16      Operand;\r
  UINT8       Result;\r
\r
  //\r
  // If Operand is <= MAX_UINT8 (0xff), it's a cast\r
  //\r
  Operand = 0xab;\r
  Result  = 0;\r
  Status  = SafeUint16ToUint8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5b5b);\r
  Status  = SafeUint16ToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint16ToInt16) {\r
  RETURN_STATUS  Status;\r
  UINT16      Operand;\r
  INT16       Result;\r
\r
  //\r
  // If Operand is <= MAX_INT16 (0x7fff), it's a cast\r
  //\r
  Operand = 0x5b5b;\r
  Result  = 0;\r
  Status  = SafeUint16ToInt16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xabab);\r
  Status  = SafeUint16ToInt16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt32ToInt8) {\r
  RETURN_STATUS  Status;\r
  INT32       Operand;\r
  INT8        Result;\r
\r
  //\r
  // If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt32ToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  Operand = (-57);\r
  Status  = SafeInt32ToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-57), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5bababab);\r
  Status  = SafeInt32ToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-1537977259);\r
  Status  = SafeInt32ToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt32ToChar8) {\r
  RETURN_STATUS  Status;\r
  INT32       Operand;\r
  CHAR8       Result;\r
\r
  //\r
  // CHAR8 is typedefed as char, which may be signed or unsigned based\r
  // on the compiler. Thus, for compatibility CHAR8 should be between 0 and MAX_INT8.\r
  //\r
\r
  //\r
  // If Operand is between 0 and MAX_INT8 inclusive, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt32ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  Operand = 0;\r
  Result  = 0;\r
  Status  = SafeInt32ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0, Result);\r
\r
  Operand = MAX_INT8;\r
  Result  = 0;\r
  Status  = SafeInt32ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (MAX_INT8, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-57);\r
  Status  = SafeInt32ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (0x5bababab);\r
  Status  = SafeInt32ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-1537977259);\r
  Status  = SafeInt32ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt32ToUint8) {\r
  RETURN_STATUS  Status;\r
  INT32       Operand;\r
  UINT8       Result;\r
\r
  //\r
  // If Operand is between 0 and MAX_INT8 inclusive, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt32ToUint8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-57);\r
  Status  = SafeInt32ToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (0x5bababab);\r
  Status  = SafeInt32ToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-1537977259);\r
  Status  = SafeInt32ToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt32ToInt16) {\r
  RETURN_STATUS  Status;\r
  INT32       Operand;\r
  INT16       Result;\r
\r
  //\r
  // If Operand is between MIN_INT16 and MAX_INT16 inclusive, then it's a cast\r
  //\r
  Operand = 0x5b5b;\r
  Result  = 0;\r
  Status  = SafeInt32ToInt16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b5b, Result);\r
\r
  Operand = (-17857);\r
  Status  = SafeInt32ToInt16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-17857), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5bababab);\r
  Status  = SafeInt32ToInt16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-1537977259);\r
  Status  = SafeInt32ToInt16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt32ToUint16) {\r
  RETURN_STATUS  Status;\r
  INT32       Operand;\r
  UINT16      Result;\r
\r
  //\r
  // If Operand is between 0 and MAX_UINT16 inclusive, then it's a cast\r
  //\r
  Operand = 0xabab;\r
  Result  = 0;\r
  Status  = SafeInt32ToUint16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xabab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-17857);\r
  Status  = SafeInt32ToUint16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (0x5bababab);\r
  Status  = SafeInt32ToUint16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-1537977259);\r
  Status  = SafeInt32ToUint16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt32ToUint32) {\r
  RETURN_STATUS  Status;\r
  INT32       Operand;\r
  UINT32      Result;\r
\r
  //\r
  // If Operand is non-negative, then it's a cast\r
  //\r
  Operand = 0x5bababab;\r
  Result  = 0;\r
  Status  = SafeInt32ToUint32 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT32)0x5bababab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-1537977259);\r
  Status  = SafeInt32ToUint32 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt32ToUint64) {\r
  RETURN_STATUS  Status;\r
  INT32       Operand;\r
  UINT64      Result;\r
\r
  //\r
  // If Operand is non-negative, then it's a cast\r
  //\r
  Operand = 0x5bababab;\r
  Result  = 0;\r
  Status  = SafeInt32ToUint64 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT64)0x5bababab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-1537977259);\r
  Status  = SafeInt32ToUint64 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint32ToInt8) {\r
  RETURN_STATUS  Status;\r
  UINT32      Operand;\r
  INT8        Result;\r
\r
  //\r
  // If Operand is <= MAX_INT8, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeUint32ToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5bababab);\r
  Status  = SafeUint32ToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint32ToChar8) {\r
  RETURN_STATUS  Status;\r
  UINT32      Operand;\r
  CHAR8       Result;\r
\r
  // CHAR8 is typedefed as char, which by default is signed, thus\r
  // CHAR8 is same as INT8, so same tests as above:\r
\r
  //\r
  // If Operand is <= MAX_INT8, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeUint32ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5bababab);\r
  Status  = SafeUint32ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint32ToUint8) {\r
  RETURN_STATUS  Status;\r
  UINT32      Operand;\r
  UINT8       Result;\r
\r
  //\r
  // If Operand is <= MAX_UINT8, then it's a cast\r
  //\r
  Operand = 0xab;\r
  Result  = 0;\r
  Status  = SafeUint32ToUint8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xabababab);\r
  Status  = SafeUint32ToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint32ToInt16) {\r
  RETURN_STATUS  Status;\r
  UINT32      Operand;\r
  INT16       Result;\r
\r
  //\r
  // If Operand is <= MAX_INT16, then it's a cast\r
  //\r
  Operand = 0x5bab;\r
  Result  = 0;\r
  Status  = SafeUint32ToInt16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5bab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xabababab);\r
  Status  = SafeUint32ToInt16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint32ToUint16) {\r
  RETURN_STATUS  Status;\r
  UINT32      Operand;\r
  UINT16      Result;\r
\r
  //\r
  // If Operand is <= MAX_UINT16, then it's a cast\r
  //\r
  Operand = 0xabab;\r
  Result  = 0;\r
  Status  = SafeUint32ToUint16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xabab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xabababab);\r
  Status  = SafeUint32ToUint16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint32ToInt32) {\r
  RETURN_STATUS  Status;\r
  UINT32      Operand;\r
  INT32       Result;\r
\r
  //\r
  // If Operand is <= MAX_INT32, then it's a cast\r
  //\r
  Operand = 0x5bababab;\r
  Result  = 0;\r
  Status  = SafeUint32ToInt32 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5bababab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xabababab);\r
  Status  = SafeUint32ToInt32 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeIntnToInt8) {\r
  RETURN_STATUS  Status;\r
  INTN        Operand;\r
  INT8        Result;\r
\r
  //\r
  // If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeIntnToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  Operand = (-53);\r
  Status  = SafeIntnToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-53), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5bababab);\r
  Status  = SafeIntnToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-1537977259);\r
  Status  = SafeIntnToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeIntnToChar8) {\r
  RETURN_STATUS  Status;\r
  INTN        Operand;\r
  CHAR8       Result;\r
\r
  //\r
  // CHAR8 is typedefed as char, which may be signed or unsigned based\r
  // on the compiler. Thus, for compatibility CHAR8 should be between 0 and MAX_INT8.\r
  //\r
\r
  //\r
  // If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeIntnToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  Operand = 0;\r
  Result  = 0;\r
  Status  = SafeIntnToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0, Result);\r
\r
  Operand = MAX_INT8;\r
  Result  = 0;\r
  Status  = SafeIntnToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (MAX_INT8, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-53);\r
  Status  = SafeIntnToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (0x5bababab);\r
  Status  = SafeIntnToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-1537977259);\r
  Status  = SafeIntnToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeIntnToUint8) {\r
  RETURN_STATUS  Status;\r
  INTN        Operand;\r
  UINT8       Result;\r
\r
  //\r
  // If Operand is between 0 and MAX_UINT8 inclusive, then it's a cast\r
  //\r
  Operand = 0xab;\r
  Result  = 0;\r
  Status  = SafeIntnToUint8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5bababab);\r
  Status  = SafeIntnToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-1537977259);\r
  Status  = SafeIntnToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeIntnToInt16) {\r
  RETURN_STATUS  Status;\r
  INTN        Operand;\r
  INT16       Result;\r
\r
  //\r
  // If Operand is between MIN_INT16 and MAX_INT16 inclusive, then it's a cast\r
  //\r
  Operand = 0x5bab;\r
  Result  = 0;\r
  Status  = SafeIntnToInt16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5bab, Result);\r
\r
  Operand = (-23467);\r
  Status  = SafeIntnToInt16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-23467), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5bababab);\r
  Status  = SafeIntnToInt16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-1537977259);\r
  Status  = SafeIntnToInt16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeIntnToUint16) {\r
  RETURN_STATUS  Status;\r
  INTN        Operand;\r
  UINT16      Result;\r
\r
  //\r
  // If Operand is between 0 and MAX_UINT16 inclusive, then it's a cast\r
  //\r
  Operand = 0xabab;\r
  Result  = 0;\r
  Status  = SafeIntnToUint16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xabab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5bababab);\r
  Status  = SafeIntnToUint16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (-1537977259);\r
  Status  = SafeIntnToUint16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeIntnToUintn) {\r
  RETURN_STATUS  Status;\r
  INTN        Operand;\r
  UINTN       Result;\r
\r
  //\r
  // If Operand is non-negative, then it's a cast\r
  //\r
  Operand = 0x5bababab;\r
  Result  = 0;\r
  Status  = SafeIntnToUintn (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINTN)0x5bababab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-1537977259);\r
  Status  = SafeIntnToUintn (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeIntnToUint64) {\r
  RETURN_STATUS  Status;\r
  INTN        Operand;\r
  UINT64      Result;\r
\r
  //\r
  // If Operand is non-negative, then it's a cast\r
  //\r
  Operand = 0x5bababab;\r
  Result  = 0;\r
  Status  = SafeIntnToUint64 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT64)0x5bababab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-1537977259);\r
  Status  = SafeIntnToUint64 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUintnToInt8) {\r
  RETURN_STATUS  Status;\r
  UINTN       Operand;\r
  INT8        Result;\r
\r
  //\r
  // If Operand is <= MAX_INT8, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeUintnToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xabab);\r
  Status  = SafeUintnToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUintnToChar8) {\r
  RETURN_STATUS  Status;\r
  UINTN       Operand;\r
  CHAR8       Result;\r
\r
  // CHAR8 is typedefed as char, which by default is signed, thus\r
  // CHAR8 is same as INT8, so same tests as above:\r
\r
  //\r
  // If Operand is <= MAX_INT8, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeUintnToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xabab);\r
  Status  = SafeUintnToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUintnToUint8) {\r
  RETURN_STATUS  Status;\r
  UINTN       Operand;\r
  UINT8       Result;\r
\r
  //\r
  // If Operand is <= MAX_UINT8, then it's a cast\r
  //\r
  Operand = 0xab;\r
  Result  = 0;\r
  Status  = SafeUintnToUint8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xabab);\r
  Status  = SafeUintnToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUintnToInt16) {\r
  RETURN_STATUS  Status;\r
  UINTN       Operand;\r
  INT16       Result;\r
\r
  //\r
  // If Operand is <= MAX_INT16, then it's a cast\r
  //\r
  Operand = 0x5bab;\r
  Result  = 0;\r
  Status  = SafeUintnToInt16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5bab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xabab);\r
  Status  = SafeUintnToInt16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUintnToUint16) {\r
  RETURN_STATUS  Status;\r
  UINTN       Operand;\r
  UINT16      Result;\r
\r
  //\r
  // If Operand is <= MAX_UINT16, then it's a cast\r
  //\r
  Operand = 0xabab;\r
  Result  = 0;\r
  Status  = SafeUintnToUint16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xabab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xabababab);\r
  Status  = SafeUintnToUint16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUintnToInt32) {\r
  RETURN_STATUS  Status;\r
  UINTN       Operand;\r
  INT32       Result;\r
\r
  //\r
  // If Operand is <= MAX_INT32, then it's a cast\r
  //\r
  Operand = 0x5bababab;\r
  Result  = 0;\r
  Status  = SafeUintnToInt32 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5bababab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xabababab);\r
  Status  = SafeUintnToInt32 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt64ToInt8) {\r
  RETURN_STATUS  Status;\r
  INT64       Operand;\r
  INT8        Result;\r
\r
  //\r
  // If Operand is between MIN_INT8 and  MAX_INT8 inclusive, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt64ToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  Operand = (-37);\r
  Status  = SafeInt64ToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-37), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5babababefefefef);\r
  Status  = SafeInt64ToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand =  (-6605562033422200815);\r
  Status  = SafeInt64ToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt64ToChar8) {\r
  RETURN_STATUS  Status;\r
  INT64       Operand;\r
  CHAR8       Result;\r
\r
  //\r
  // CHAR8 is typedefed as char, which may be signed or unsigned based\r
  // on the compiler. Thus, for compatibility CHAR8 should be between 0 and MAX_INT8.\r
  //\r
\r
  //\r
  // If Operand is between MIN_INT8 and  MAX_INT8 inclusive, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeInt64ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  Operand = 0;\r
  Result  = 0;\r
  Status  = SafeInt64ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0, Result);\r
\r
  Operand = MAX_INT8;\r
  Result  = 0;\r
  Status  = SafeInt64ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (MAX_INT8, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (-37);\r
  Status  = SafeInt64ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand = (0x5babababefefefef);\r
  Status  = SafeInt64ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand =  (-6605562033422200815);\r
  Status  = SafeInt64ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt64ToUint8) {\r
  RETURN_STATUS  Status;\r
  INT64       Operand;\r
  UINT8       Result;\r
\r
  //\r
  // If Operand is between 0 and  MAX_UINT8 inclusive, then it's a cast\r
  //\r
  Operand = 0xab;\r
  Result  = 0;\r
  Status  = SafeInt64ToUint8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5babababefefefef);\r
  Status  = SafeInt64ToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand =  (-6605562033422200815);\r
  Status  = SafeInt64ToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt64ToInt16) {\r
  RETURN_STATUS  Status;\r
  INT64       Operand;\r
  INT16       Result;\r
\r
  //\r
  // If Operand is between MIN_INT16 and  MAX_INT16 inclusive, then it's a cast\r
  //\r
  Operand = 0x5bab;\r
  Result  = 0;\r
  Status  = SafeInt64ToInt16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5bab, Result);\r
\r
  Operand = (-23467);\r
  Status  = SafeInt64ToInt16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-23467), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5babababefefefef);\r
  Status  = SafeInt64ToInt16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand =  (-6605562033422200815);\r
  Status  = SafeInt64ToInt16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt64ToUint16) {\r
  RETURN_STATUS  Status;\r
  INT64       Operand;\r
  UINT16      Result;\r
\r
  //\r
  // If Operand is between 0 and  MAX_UINT16 inclusive, then it's a cast\r
  //\r
  Operand = 0xabab;\r
  Result  = 0;\r
  Status  = SafeInt64ToUint16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xabab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5babababefefefef);\r
  Status  = SafeInt64ToUint16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand =  (-6605562033422200815);\r
  Status  = SafeInt64ToUint16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt64ToInt32) {\r
  RETURN_STATUS  Status;\r
  INT64       Operand;\r
  INT32       Result;\r
\r
  //\r
  // If Operand is between MIN_INT32 and  MAX_INT32 inclusive, then it's a cast\r
  //\r
  Operand = 0x5bababab;\r
  Result  = 0;\r
  Status  = SafeInt64ToInt32 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5bababab, Result);\r
\r
  Operand = (-1537977259);\r
  Status  = SafeInt64ToInt32 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-1537977259), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5babababefefefef);\r
  Status  = SafeInt64ToInt32 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand =  (-6605562033422200815);\r
  Status  = SafeInt64ToInt32 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt64ToUint32) {\r
  RETURN_STATUS  Status;\r
  INT64       Operand;\r
  UINT32      Result;\r
\r
  //\r
  // If Operand is between 0 and  MAX_UINT32 inclusive, then it's a cast\r
  //\r
  Operand = 0xabababab;\r
  Result  = 0;\r
  Status  = SafeInt64ToUint32 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xabababab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0x5babababefefefef);\r
  Status  = SafeInt64ToUint32 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Operand =  (-6605562033422200815);\r
  Status  = SafeInt64ToUint32 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeInt64ToUint64) {\r
  RETURN_STATUS  Status;\r
  INT64       Operand;\r
  UINT64      Result;\r
\r
  //\r
  // If Operand is non-negative, then it's a cast\r
  //\r
  Operand = 0x5babababefefefef;\r
  Result  = 0;\r
  Status  = SafeInt64ToUint64 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT64)0x5babababefefefef, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand =  (-6605562033422200815);\r
  Status  = SafeInt64ToUint64 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint64ToInt8) {\r
  RETURN_STATUS  Status;\r
  UINT64      Operand;\r
  INT8        Result;\r
\r
  //\r
  // If Operand is <= MAX_INT8, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeUint64ToInt8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xababababefefefef);\r
  Status  = SafeUint64ToInt8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint64ToChar8) {\r
  RETURN_STATUS  Status;\r
  UINT64      Operand;\r
  CHAR8       Result;\r
\r
  // CHAR8 is typedefed as char, which by default is signed, thus\r
  // CHAR8 is same as INT8, so same tests as above:\r
\r
  //\r
  // If Operand is <= MAX_INT8, then it's a cast\r
  //\r
  Operand = 0x5b;\r
  Result  = 0;\r
  Status  = SafeUint64ToChar8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5b, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xababababefefefef);\r
  Status  = SafeUint64ToChar8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint64ToUint8) {\r
  RETURN_STATUS  Status;\r
  UINT64      Operand;\r
  UINT8       Result;\r
\r
  //\r
  // If Operand is <= MAX_UINT8, then it's a cast\r
  //\r
  Operand = 0xab;\r
  Result  = 0;\r
  Status  = SafeUint64ToUint8 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xababababefefefef);\r
  Status  = SafeUint64ToUint8 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint64ToInt16) {\r
  RETURN_STATUS  Status;\r
  UINT64      Operand;\r
  INT16       Result;\r
\r
  //\r
  // If Operand is <= MAX_INT16, then it's a cast\r
  //\r
  Operand = 0x5bab;\r
  Result  = 0;\r
  Status  = SafeUint64ToInt16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5bab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xababababefefefef);\r
  Status  = SafeUint64ToInt16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint64ToUint16) {\r
  RETURN_STATUS  Status;\r
  UINT64      Operand;\r
  UINT16      Result;\r
\r
  //\r
  // If Operand is <= MAX_UINT16, then it's a cast\r
  //\r
  Operand = 0xabab;\r
  Result  = 0;\r
  Status  = SafeUint64ToUint16 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xabab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xababababefefefef);\r
  Status  = SafeUint64ToUint16 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint64ToInt32) {\r
  RETURN_STATUS  Status;\r
  UINT64      Operand;\r
  INT32       Result;\r
\r
  //\r
  // If Operand is <= MAX_INT32, then it's a cast\r
  //\r
  Operand = 0x5bababab;\r
  Result  = 0;\r
  Status  = SafeUint64ToInt32 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5bababab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xababababefefefef);\r
  Status  = SafeUint64ToInt32 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint64ToUint32) {\r
  RETURN_STATUS  Status;\r
  UINT64      Operand;\r
  UINT32      Result;\r
\r
  //\r
  // If Operand is <= MAX_UINT32, then it's a cast\r
  //\r
  Operand = 0xabababab;\r
  Result  = 0;\r
  Status  = SafeUint64ToUint32 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xabababab, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xababababefefefef);\r
  Status  = SafeUint64ToUint32 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(ConversionTestSuite, TestSafeUint64ToInt64) {\r
  RETURN_STATUS  Status;\r
  UINT64      Operand;\r
  INT64       Result;\r
\r
  //\r
  // If Operand is <= MAX_INT64, then it's a cast\r
  //\r
  Operand = 0x5babababefefefef;\r
  Result  = 0;\r
  Status  = SafeUint64ToInt64 (Operand, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x5babababefefefef, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Operand = (0xababababefefefef);\r
  Status  = SafeUint64ToInt64 (Operand, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
//\r
// Addition function tests:\r
//\r
TEST(AdditionSubtractionTestSuite, TestSafeUint8Add) {\r
  RETURN_STATUS  Status;\r
  UINT8       Augend;\r
  UINT8       Addend;\r
  UINT8       Result;\r
\r
  //\r
  // If the result of addition doesn't overflow MAX_UINT8, then it's addition\r
  //\r
  Augend = 0x3a;\r
  Addend = 0x3a;\r
  Result = 0;\r
  Status = SafeUint8Add (Augend, Addend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x74, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Augend = 0xab;\r
  Addend = 0xbc;\r
  Status = SafeUint8Add (Augend, Addend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeUint16Add) {\r
  RETURN_STATUS  Status;\r
  UINT16      Augend = 0x3a3a;\r
  UINT16      Addend = 0x3a3a;\r
  UINT16      Result = 0;\r
\r
  //\r
  // If the result of addition doesn't overflow MAX_UINT16, then it's addition\r
  //\r
  Status = SafeUint16Add (Augend, Addend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x7474, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Augend = 0xabab;\r
  Addend = 0xbcbc;\r
  Status = SafeUint16Add (Augend, Addend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeUint32Add) {\r
  RETURN_STATUS  Status;\r
  UINT32      Augend;\r
  UINT32      Addend;\r
  UINT32      Result;\r
\r
  //\r
  // If the result of addition doesn't overflow MAX_UINT32, then it's addition\r
  //\r
  Augend = 0x3a3a3a3a;\r
  Addend = 0x3a3a3a3a;\r
  Result = 0;\r
  Status = SafeUint32Add (Augend, Addend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT32)0x74747474, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Augend = 0xabababab;\r
  Addend = 0xbcbcbcbc;\r
  Status = SafeUint32Add (Augend, Addend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeUint64Add) {\r
  RETURN_STATUS  Status;\r
  UINT64      Augend;\r
  UINT64      Addend;\r
  UINT64      Result;\r
\r
  //\r
  // If the result of addition doesn't overflow MAX_UINT64, then it's addition\r
  //\r
  Augend = 0x3a3a3a3a12121212;\r
  Addend = 0x3a3a3a3a12121212;\r
  Result = 0;\r
  Status = SafeUint64Add (Augend, Addend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT64)0x7474747424242424, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Augend = 0xababababefefefef;\r
  Addend = 0xbcbcbcbcdededede;\r
  Status = SafeUint64Add (Augend, Addend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeInt8Add) {\r
  RETURN_STATUS  Status;\r
  INT8        Augend;\r
  INT8        Addend;\r
  INT8        Result;\r
\r
  //\r
  // If the result of addition doesn't overflow MAX_INT8\r
  // and doesn't underflow MIN_INT8, then it's addition\r
  //\r
  Augend = 0x3a;\r
  Addend = 0x3a;\r
  Result = 0;\r
  Status = SafeInt8Add (Augend, Addend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x74, Result);\r
\r
  Augend = (-58);\r
  Addend = (-58);\r
  Status = SafeInt8Add (Augend, Addend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-116), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Augend = 0x5a;\r
  Addend = 0x5a;\r
  Status = SafeInt8Add (Augend, Addend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Augend = (-90);\r
  Addend = (-90);\r
  Status = SafeInt8Add (Augend, Addend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeInt16Add) {\r
  RETURN_STATUS  Status;\r
  INT16       Augend;\r
  INT16       Addend;\r
  INT16       Result;\r
\r
  //\r
  // If the result of addition doesn't overflow MAX_INT16\r
  // and doesn't underflow MIN_INT16, then it's addition\r
  //\r
  Augend = 0x3a3a;\r
  Addend = 0x3a3a;\r
  Result = 0;\r
  Status = SafeInt16Add (Augend, Addend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x7474, Result);\r
\r
  Augend = (-14906);\r
  Addend = (-14906);\r
  Status = SafeInt16Add (Augend, Addend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-29812), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Augend = 0x5a5a;\r
  Addend = 0x5a5a;\r
  Status = SafeInt16Add (Augend, Addend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Augend = (-23130);\r
  Addend = (-23130);\r
  Status = SafeInt16Add (Augend, Addend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeInt32Add) {\r
  RETURN_STATUS  Status;\r
  INT32       Augend;\r
  INT32       Addend;\r
  INT32       Result;\r
\r
  //\r
  // If the result of addition doesn't overflow MAX_INT32\r
  // and doesn't underflow MIN_INT32, then it's addition\r
  //\r
  Augend = 0x3a3a3a3a;\r
  Addend = 0x3a3a3a3a;\r
  Result = 0;\r
  Status = SafeInt32Add (Augend, Addend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x74747474, Result);\r
\r
  Augend = (-976894522);\r
  Addend = (-976894522);\r
  Status = SafeInt32Add (Augend, Addend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-1953789044), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Augend = 0x5a5a5a5a;\r
  Addend = 0x5a5a5a5a;\r
  Status = SafeInt32Add (Augend, Addend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Augend = (-1515870810);\r
  Addend = (-1515870810);\r
  Status = SafeInt32Add (Augend, Addend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeInt64Add) {\r
  RETURN_STATUS  Status;\r
  INT64       Augend;\r
  INT64       Addend;\r
  INT64       Result;\r
\r
  //\r
  // If the result of addition doesn't overflow MAX_INT64\r
  // and doesn't underflow MIN_INT64, then it's addition\r
  //\r
  Augend = 0x3a3a3a3a3a3a3a3a;\r
  Addend = 0x3a3a3a3a3a3a3a3a;\r
  Result = 0;\r
  Status = SafeInt64Add (Augend, Addend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x7474747474747474, Result);\r
\r
  Augend = (-4195730024608447034);\r
  Addend = (-4195730024608447034);\r
  Status = SafeInt64Add (Augend, Addend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-8391460049216894068), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Augend = 0x5a5a5a5a5a5a5a5a;\r
  Addend = 0x5a5a5a5a5a5a5a5a;\r
  Status = SafeInt64Add (Augend, Addend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Augend = (-6510615555426900570);\r
  Addend = (-6510615555426900570);\r
  Status = SafeInt64Add (Augend, Addend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
//\r
// Subtraction function tests:\r
//\r
TEST(AdditionSubtractionTestSuite, TestSafeUint8Sub) {\r
  RETURN_STATUS  Status;\r
  UINT8       Minuend;\r
  UINT8       Subtrahend;\r
  UINT8       Result;\r
\r
  //\r
  // If Minuend >= Subtrahend, then it's subtraction\r
  //\r
  Minuend    = 0x5a;\r
  Subtrahend = 0x3b;\r
  Result     = 0;\r
  Status     = SafeUint8Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x1f, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Minuend    = 0x5a;\r
  Subtrahend = 0x6d;\r
  Status     = SafeUint8Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeUint16Sub) {\r
  RETURN_STATUS  Status;\r
  UINT16      Minuend;\r
  UINT16      Subtrahend;\r
  UINT16      Result;\r
\r
  //\r
  // If Minuend >= Subtrahend, then it's subtraction\r
  //\r
  Minuend    = 0x5a5a;\r
  Subtrahend = 0x3b3b;\r
  Result     = 0;\r
  Status     = SafeUint16Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x1f1f, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Minuend    = 0x5a5a;\r
  Subtrahend = 0x6d6d;\r
  Status     = SafeUint16Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeUint32Sub) {\r
  RETURN_STATUS  Status;\r
  UINT32      Minuend;\r
  UINT32      Subtrahend;\r
  UINT32      Result;\r
\r
  //\r
  // If Minuend >= Subtrahend, then it's subtraction\r
  //\r
  Minuend    = 0x5a5a5a5a;\r
  Subtrahend = 0x3b3b3b3b;\r
  Result     = 0;\r
  Status     = SafeUint32Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT32)0x1f1f1f1f, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Minuend    = 0x5a5a5a5a;\r
  Subtrahend = 0x6d6d6d6d;\r
  Status     = SafeUint32Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeUint64Sub) {\r
  RETURN_STATUS  Status;\r
  UINT64      Minuend;\r
  UINT64      Subtrahend;\r
  UINT64      Result;\r
\r
  //\r
  // If Minuend >= Subtrahend, then it's subtraction\r
  //\r
  Minuend    = 0x5a5a5a5a5a5a5a5a;\r
  Subtrahend = 0x3b3b3b3b3b3b3b3b;\r
  Result     = 0;\r
  Status     = SafeUint64Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT64)0x1f1f1f1f1f1f1f1f, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Minuend    = 0x5a5a5a5a5a5a5a5a;\r
  Subtrahend = 0x6d6d6d6d6d6d6d6d;\r
  Status     = SafeUint64Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeInt8Sub) {\r
  RETURN_STATUS  Status;\r
  INT8        Minuend;\r
  INT8        Subtrahend;\r
  INT8        Result;\r
\r
  //\r
  // If the result of subtractions doesn't overflow MAX_INT8 or\r
  // underflow MIN_INT8, then it's subtraction\r
  //\r
  Minuend    = 0x5a;\r
  Subtrahend = 0x3a;\r
  Result     = 0;\r
  Status     = SafeInt8Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x20, Result);\r
\r
  Minuend    = 58;\r
  Subtrahend = 78;\r
  Status     = SafeInt8Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-20), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Minuend    = (-80);\r
  Subtrahend = 80;\r
  Status     = SafeInt8Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Minuend    = (80);\r
  Subtrahend = (-80);\r
  Status     = SafeInt8Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeInt16Sub) {\r
  RETURN_STATUS  Status;\r
  INT16       Minuend;\r
  INT16       Subtrahend;\r
  INT16       Result;\r
\r
  //\r
  // If the result of subtractions doesn't overflow MAX_INT16 or\r
  // underflow MIN_INT16, then it's subtraction\r
  //\r
  Minuend    = 0x5a5a;\r
  Subtrahend = 0x3a3a;\r
  Result     = 0;\r
  Status     = SafeInt16Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x2020, Result);\r
\r
  Minuend    = 0x3a3a;\r
  Subtrahend = 0x5a5a;\r
  Status     = SafeInt16Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-8224), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Minuend    = (-31354);\r
  Subtrahend = 31354;\r
  Status     = SafeInt16Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Minuend    = (31354);\r
  Subtrahend = (-31354);\r
  Status     = SafeInt16Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeInt32Sub) {\r
  RETURN_STATUS  Status;\r
  INT32       Minuend;\r
  INT32       Subtrahend;\r
  INT32       Result;\r
\r
  //\r
  // If the result of subtractions doesn't overflow MAX_INT32 or\r
  // underflow MIN_INT32, then it's subtraction\r
  //\r
  Minuend    = 0x5a5a5a5a;\r
  Subtrahend = 0x3a3a3a3a;\r
  Result     = 0;\r
  Status     = SafeInt32Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x20202020, Result);\r
\r
  Minuend    = 0x3a3a3a3a;\r
  Subtrahend = 0x5a5a5a5a;\r
  Status     = SafeInt32Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-538976288), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Minuend    = (-2054847098);\r
  Subtrahend = 2054847098;\r
  Status     = SafeInt32Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Minuend    = (2054847098);\r
  Subtrahend = (-2054847098);\r
  Status     = SafeInt32Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(AdditionSubtractionTestSuite, TestSafeInt64Sub) {\r
  RETURN_STATUS  Status;\r
  INT64       Minuend;\r
  INT64       Subtrahend;\r
  INT64       Result;\r
\r
  //\r
  // If the result of subtractions doesn't overflow MAX_INT64 or\r
  // underflow MIN_INT64, then it's subtraction\r
  //\r
  Minuend    = 0x5a5a5a5a5a5a5a5a;\r
  Subtrahend = 0x3a3a3a3a3a3a3a3a;\r
  Result     = 0;\r
  Status     = SafeInt64Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x2020202020202020, Result);\r
\r
  Minuend    = 0x3a3a3a3a3a3a3a3a;\r
  Subtrahend = 0x5a5a5a5a5a5a5a5a;\r
  Status     = SafeInt64Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((-2314885530818453536), Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Minuend    = (-8825501086245354106);\r
  Subtrahend = 8825501086245354106;\r
  Status     = SafeInt64Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
\r
  Minuend    = (8825501086245354106);\r
  Subtrahend = (-8825501086245354106);\r
  Status     = SafeInt64Sub (Minuend, Subtrahend, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
//\r
// Multiplication function tests:\r
//\r
TEST(MultiplicationTestSuite, TestSafeUint8Mult) {\r
  RETURN_STATUS  Status;\r
  UINT8       Multiplicand;\r
  UINT8       Multiplier;\r
  UINT8       Result;\r
\r
  //\r
  // If the result of multiplication doesn't overflow MAX_UINT8, it will succeed\r
  //\r
  Multiplicand = 0x12;\r
  Multiplier   = 0xa;\r
  Result       = 0;\r
  Status       = SafeUint8Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xb4, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Multiplicand = 0x12;\r
  Multiplier   = 0x23;\r
  Status       = SafeUint8Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(MultiplicationTestSuite, TestSafeUint16Mult) {\r
  RETURN_STATUS  Status;\r
  UINT16      Multiplicand;\r
  UINT16      Multiplier;\r
  UINT16      Result;\r
\r
  //\r
  // If the result of multiplication doesn't overflow MAX_UINT16, it will succeed\r
  //\r
  Multiplicand = 0x212;\r
  Multiplier   = 0x7a;\r
  Result       = 0;\r
  Status       = SafeUint16Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0xfc94, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Multiplicand = 0x1234;\r
  Multiplier   = 0x213;\r
  Status       = SafeUint16Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(MultiplicationTestSuite, TestSafeUint32Mult) {\r
  RETURN_STATUS  Status;\r
  UINT32      Multiplicand;\r
  UINT32      Multiplier;\r
  UINT32      Result;\r
\r
  //\r
  // If the result of multiplication doesn't overflow MAX_UINT32, it will succeed\r
  //\r
  Multiplicand = 0xa122a;\r
  Multiplier   = 0xd23;\r
  Result       = 0;\r
  Status       = SafeUint32Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x844c9dbe, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Multiplicand = 0xa122a;\r
  Multiplier   = 0xed23;\r
  Status       = SafeUint32Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(MultiplicationTestSuite, TestSafeUint64Mult) {\r
  RETURN_STATUS  Status;\r
  UINT64      Multiplicand;\r
  UINT64      Multiplier;\r
  UINT64      Result;\r
\r
  //\r
  // If the result of multiplication doesn't overflow MAX_UINT64, it will succeed\r
  //\r
  Multiplicand = 0x123456789a;\r
  Multiplier   = 0x1234567;\r
  Result       = 0;\r
  Status       = SafeUint64Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ ((UINT64)0x14b66db9745a07f6, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Multiplicand = 0x123456789a;\r
  Multiplier   = 0x12345678;\r
  Status       = SafeUint64Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(MultiplicationTestSuite, TestSafeInt8Mult) {\r
  RETURN_STATUS  Status;\r
  INT8        Multiplicand;\r
  INT8        Multiplier;\r
  INT8        Result;\r
\r
  //\r
  // If the result of multiplication doesn't overflow MAX_INT8 and doesn't\r
  // underflow MIN_UINT8, it will succeed\r
  //\r
  Multiplicand = 0x12;\r
  Multiplier   = 0x7;\r
  Result       = 0;\r
  Status       = SafeInt8Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x7e, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Multiplicand = 0x12;\r
  Multiplier   = 0xa;\r
  Status       = SafeInt8Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(MultiplicationTestSuite, TestSafeInt16Mult) {\r
  RETURN_STATUS  Status;\r
  INT16       Multiplicand;\r
  INT16       Multiplier;\r
  INT16       Result;\r
\r
  //\r
  // If the result of multiplication doesn't overflow MAX_INT16 and doesn't\r
  // underflow MIN_UINT16, it will succeed\r
  //\r
  Multiplicand = 0x123;\r
  Multiplier   = 0x67;\r
  Result       = 0;\r
  Status       = SafeInt16Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x7515, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Multiplicand = 0x123;\r
  Multiplier   = 0xab;\r
  Status       = SafeInt16Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(MultiplicationTestSuite, TestSafeInt32Mult) {\r
  RETURN_STATUS  Status;\r
  INT32       Multiplicand;\r
  INT32       Multiplier;\r
  INT32       Result;\r
\r
  //\r
  // If the result of multiplication doesn't overflow MAX_INT32 and doesn't\r
  // underflow MIN_UINT32, it will succeed\r
  //\r
  Multiplicand = 0x123456;\r
  Multiplier   = 0x678;\r
  Result       = 0;\r
  Status       = SafeInt32Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x75c28c50, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Multiplicand = 0x123456;\r
  Multiplier   = 0xabc;\r
  Status       = SafeInt32Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
TEST(MultiplicationTestSuite, TestSafeInt64Mult) {\r
  RETURN_STATUS  Status;\r
  INT64       Multiplicand;\r
  INT64       Multiplier;\r
  INT64       Result;\r
\r
  //\r
  // If the result of multiplication doesn't overflow MAX_INT64 and doesn't\r
  // underflow MIN_UINT64, it will succeed\r
  //\r
  Multiplicand = 0x123456789;\r
  Multiplier   = 0x6789abcd;\r
  Result       = 0;\r
  Status       = SafeInt64Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (Status, RETURN_SUCCESS);\r
  ASSERT_EQ (0x75cd9045220d6bb5, Result);\r
\r
  //\r
  // Otherwise should result in an error status\r
  //\r
  Multiplicand = 0x123456789;\r
  Multiplier   = 0xa789abcd;\r
  Status       = SafeInt64Mult (Multiplicand, Multiplier, &Result);\r
  ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);\r
}\r
\r
int main(int argc, char* argv[]) {\r
  testing::InitGoogleTest(&argc, argv);\r
  return RUN_ALL_TESTS();\r
}\r