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