--- /dev/null
+/** @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
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