blob: 1fd51067a1f34a94b73a9c57fe186dc094e21028 [file] [log] [blame]
/** @file
UEFI OS based application for unit testing the SafeIntLib.
Copyright (c) Microsoft Corporation.<BR>
Copyright (c) 2018 - 2022, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <gtest/gtest.h>
extern "C" {
#include <Base.h>
#include <Library/SafeIntLib.h>
}
//
// Conversion function tests:
//
TEST(ConversionTestSuite, TestSafeInt8ToUint8) {
RETURN_STATUS Status;
INT8 Operand;
UINT8 Result;
//
// Positive UINT8 should result in just a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt8ToUint8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Negative number should result in an error status
//
Operand = (-56);
Status = SafeInt8ToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt8ToUint16) {
RETURN_STATUS Status;
INT8 Operand;
UINT16 Result;
//
// Positive UINT8 should result in just a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt8ToUint16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Negative number should result in an error status
//
Operand = (-56);
Status = SafeInt8ToUint16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt8ToUint32) {
RETURN_STATUS Status;
INT8 Operand;
UINT32 Result;
//
// Positive UINT8 should result in just a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt8ToUint32 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT32)0x5b, Result);
//
// Negative number should result in an error status
//
Operand = (-56);
Status = SafeInt8ToUint32 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt8ToUintn) {
RETURN_STATUS Status;
INT8 Operand;
UINTN Result;
//
// Positive UINT8 should result in just a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt8ToUintn (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINTN)0x5b, Result);
//
// Negative number should result in an error status
//
Operand = (-56);
Status = SafeInt8ToUintn (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt8ToUint64) {
RETURN_STATUS Status;
INT8 Operand;
UINT64 Result;
//
// Positive UINT8 should result in just a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt8ToUint64 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT64)0x5b, Result);
//
// Negative number should result in an error status
//
Operand = (-56);
Status = SafeInt8ToUint64 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint8ToInt8) {
RETURN_STATUS Status;
UINT8 Operand;
INT8 Result;
//
// Operand <= 0x7F (MAX_INT8) should result in a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeUint8ToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Operand larger than 0x7f should result in an error status
//
Operand = 0xaf;
Status = SafeUint8ToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint8ToChar8) {
RETURN_STATUS Status;
UINT8 Operand;
CHAR8 Result;
//
// CHAR8 is typedefed as char, which by default is signed, thus
// CHAR8 is same as INT8, so same tests as above:
//
//
// Operand <= 0x7F (MAX_INT8) should result in a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeUint8ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Operand larger than 0x7f should result in an error status
//
Operand = 0xaf;
Status = SafeUint8ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt16ToInt8) {
RETURN_STATUS Status;
INT16 Operand;
INT8 Result;
//
// If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt16ToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
Operand = (-35);
Status = SafeInt16ToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-35), Result);
//
// Otherwise should result in an error status
//
Operand = 0x1234;
Status = SafeInt16ToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-17835);
Status = SafeInt16ToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt16ToChar8) {
RETURN_STATUS Status;
INT16 Operand;
CHAR8 Result;
//
// CHAR8 is typedefed as char, which may be signed or unsigned based
// on the compiler. Thus, for compatibility CHAR8 should be between 0 and MAX_INT8.
//
//
// If Operand is between 0 and MAX_INT8 inclusive, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt16ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
Operand = 0;
Result = 0;
Status = SafeInt16ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0, Result);
Operand = MAX_INT8;
Result = 0;
Status = SafeInt16ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (MAX_INT8, Result);
//
// Otherwise should result in an error status
//
Operand = (-35);
Status = SafeInt16ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = 0x1234;
Status = SafeInt16ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-17835);
Status = SafeInt16ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt16ToUint8) {
RETURN_STATUS Status;
INT16 Operand;
UINT8 Result;
//
// If Operand is between 0 and MAX_INT8 inclusive, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt16ToUint8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Otherwise should result in an error status
//
Operand = 0x1234;
Status = SafeInt16ToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-17835);
Status = SafeInt16ToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt16ToUint16) {
RETURN_STATUS Status;
INT16 Operand = 0x5b5b;
UINT16 Result = 0;
//
// If Operand is non-negative, then it's a cast
//
Status = SafeInt16ToUint16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b5b, Result);
//
// Otherwise should result in an error status
//
Operand = (-17835);
Status = SafeInt16ToUint16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt16ToUint32) {
RETURN_STATUS Status;
INT16 Operand;
UINT32 Result;
//
// If Operand is non-negative, then it's a cast
//
Operand = 0x5b5b;
Result = 0;
Status = SafeInt16ToUint32 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT32)0x5b5b, Result);
//
// Otherwise should result in an error status
//
Operand = (-17835);
Status = SafeInt16ToUint32 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt16ToUintn) {
RETURN_STATUS Status;
INT16 Operand;
UINTN Result;
//
// If Operand is non-negative, then it's a cast
//
Operand = 0x5b5b;
Result = 0;
Status = SafeInt16ToUintn (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINTN)0x5b5b, Result);
//
// Otherwise should result in an error status
//
Operand = (-17835);
Status = SafeInt16ToUintn (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt16ToUint64) {
RETURN_STATUS Status;
INT16 Operand;
UINT64 Result;
//
// If Operand is non-negative, then it's a cast
//
Operand = 0x5b5b;
Result = 0;
Status = SafeInt16ToUint64 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT64)0x5b5b, Result);
//
// Otherwise should result in an error status
//
Operand = (-17835);
Status = SafeInt16ToUint64 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint16ToInt8) {
RETURN_STATUS Status;
UINT16 Operand;
INT8 Result;
//
// If Operand is <= MAX_INT8, it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeUint16ToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Otherwise should result in an error status
//
Operand = (0x5b5b);
Status = SafeUint16ToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint16ToChar8) {
RETURN_STATUS Status;
UINT16 Operand;
CHAR8 Result;
// CHAR8 is typedefed as char, which by default is signed, thus
// CHAR8 is same as INT8, so same tests as above:
//
// If Operand is <= MAX_INT8, it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeUint16ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Otherwise should result in an error status
//
Operand = (0x5b5b);
Status = SafeUint16ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint16ToUint8) {
RETURN_STATUS Status;
UINT16 Operand;
UINT8 Result;
//
// If Operand is <= MAX_UINT8 (0xff), it's a cast
//
Operand = 0xab;
Result = 0;
Status = SafeUint16ToUint8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xab, Result);
//
// Otherwise should result in an error status
//
Operand = (0x5b5b);
Status = SafeUint16ToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint16ToInt16) {
RETURN_STATUS Status;
UINT16 Operand;
INT16 Result;
//
// If Operand is <= MAX_INT16 (0x7fff), it's a cast
//
Operand = 0x5b5b;
Result = 0;
Status = SafeUint16ToInt16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b5b, Result);
//
// Otherwise should result in an error status
//
Operand = (0xabab);
Status = SafeUint16ToInt16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt32ToInt8) {
RETURN_STATUS Status;
INT32 Operand;
INT8 Result;
//
// If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt32ToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
Operand = (-57);
Status = SafeInt32ToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-57), Result);
//
// Otherwise should result in an error status
//
Operand = (0x5bababab);
Status = SafeInt32ToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-1537977259);
Status = SafeInt32ToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt32ToChar8) {
RETURN_STATUS Status;
INT32 Operand;
CHAR8 Result;
//
// CHAR8 is typedefed as char, which may be signed or unsigned based
// on the compiler. Thus, for compatibility CHAR8 should be between 0 and MAX_INT8.
//
//
// If Operand is between 0 and MAX_INT8 inclusive, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt32ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
Operand = 0;
Result = 0;
Status = SafeInt32ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0, Result);
Operand = MAX_INT8;
Result = 0;
Status = SafeInt32ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (MAX_INT8, Result);
//
// Otherwise should result in an error status
//
Operand = (-57);
Status = SafeInt32ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (0x5bababab);
Status = SafeInt32ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-1537977259);
Status = SafeInt32ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt32ToUint8) {
RETURN_STATUS Status;
INT32 Operand;
UINT8 Result;
//
// If Operand is between 0 and MAX_INT8 inclusive, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt32ToUint8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Otherwise should result in an error status
//
Operand = (-57);
Status = SafeInt32ToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (0x5bababab);
Status = SafeInt32ToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-1537977259);
Status = SafeInt32ToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt32ToInt16) {
RETURN_STATUS Status;
INT32 Operand;
INT16 Result;
//
// If Operand is between MIN_INT16 and MAX_INT16 inclusive, then it's a cast
//
Operand = 0x5b5b;
Result = 0;
Status = SafeInt32ToInt16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b5b, Result);
Operand = (-17857);
Status = SafeInt32ToInt16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-17857), Result);
//
// Otherwise should result in an error status
//
Operand = (0x5bababab);
Status = SafeInt32ToInt16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-1537977259);
Status = SafeInt32ToInt16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt32ToUint16) {
RETURN_STATUS Status;
INT32 Operand;
UINT16 Result;
//
// If Operand is between 0 and MAX_UINT16 inclusive, then it's a cast
//
Operand = 0xabab;
Result = 0;
Status = SafeInt32ToUint16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xabab, Result);
//
// Otherwise should result in an error status
//
Operand = (-17857);
Status = SafeInt32ToUint16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (0x5bababab);
Status = SafeInt32ToUint16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-1537977259);
Status = SafeInt32ToUint16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt32ToUint32) {
RETURN_STATUS Status;
INT32 Operand;
UINT32 Result;
//
// If Operand is non-negative, then it's a cast
//
Operand = 0x5bababab;
Result = 0;
Status = SafeInt32ToUint32 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT32)0x5bababab, Result);
//
// Otherwise should result in an error status
//
Operand = (-1537977259);
Status = SafeInt32ToUint32 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt32ToUint64) {
RETURN_STATUS Status;
INT32 Operand;
UINT64 Result;
//
// If Operand is non-negative, then it's a cast
//
Operand = 0x5bababab;
Result = 0;
Status = SafeInt32ToUint64 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT64)0x5bababab, Result);
//
// Otherwise should result in an error status
//
Operand = (-1537977259);
Status = SafeInt32ToUint64 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint32ToInt8) {
RETURN_STATUS Status;
UINT32 Operand;
INT8 Result;
//
// If Operand is <= MAX_INT8, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeUint32ToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Otherwise should result in an error status
//
Operand = (0x5bababab);
Status = SafeUint32ToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint32ToChar8) {
RETURN_STATUS Status;
UINT32 Operand;
CHAR8 Result;
// CHAR8 is typedefed as char, which by default is signed, thus
// CHAR8 is same as INT8, so same tests as above:
//
// If Operand is <= MAX_INT8, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeUint32ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Otherwise should result in an error status
//
Operand = (0x5bababab);
Status = SafeUint32ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint32ToUint8) {
RETURN_STATUS Status;
UINT32 Operand;
UINT8 Result;
//
// If Operand is <= MAX_UINT8, then it's a cast
//
Operand = 0xab;
Result = 0;
Status = SafeUint32ToUint8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xabababab);
Status = SafeUint32ToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint32ToInt16) {
RETURN_STATUS Status;
UINT32 Operand;
INT16 Result;
//
// If Operand is <= MAX_INT16, then it's a cast
//
Operand = 0x5bab;
Result = 0;
Status = SafeUint32ToInt16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5bab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xabababab);
Status = SafeUint32ToInt16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint32ToUint16) {
RETURN_STATUS Status;
UINT32 Operand;
UINT16 Result;
//
// If Operand is <= MAX_UINT16, then it's a cast
//
Operand = 0xabab;
Result = 0;
Status = SafeUint32ToUint16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xabab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xabababab);
Status = SafeUint32ToUint16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint32ToInt32) {
RETURN_STATUS Status;
UINT32 Operand;
INT32 Result;
//
// If Operand is <= MAX_INT32, then it's a cast
//
Operand = 0x5bababab;
Result = 0;
Status = SafeUint32ToInt32 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5bababab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xabababab);
Status = SafeUint32ToInt32 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeIntnToInt8) {
RETURN_STATUS Status;
INTN Operand;
INT8 Result;
//
// If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeIntnToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
Operand = (-53);
Status = SafeIntnToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-53), Result);
//
// Otherwise should result in an error status
//
Operand = (0x5bababab);
Status = SafeIntnToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-1537977259);
Status = SafeIntnToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeIntnToChar8) {
RETURN_STATUS Status;
INTN Operand;
CHAR8 Result;
//
// CHAR8 is typedefed as char, which may be signed or unsigned based
// on the compiler. Thus, for compatibility CHAR8 should be between 0 and MAX_INT8.
//
//
// If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeIntnToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
Operand = 0;
Result = 0;
Status = SafeIntnToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0, Result);
Operand = MAX_INT8;
Result = 0;
Status = SafeIntnToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (MAX_INT8, Result);
//
// Otherwise should result in an error status
//
Operand = (-53);
Status = SafeIntnToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (0x5bababab);
Status = SafeIntnToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-1537977259);
Status = SafeIntnToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeIntnToUint8) {
RETURN_STATUS Status;
INTN Operand;
UINT8 Result;
//
// If Operand is between 0 and MAX_UINT8 inclusive, then it's a cast
//
Operand = 0xab;
Result = 0;
Status = SafeIntnToUint8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xab, Result);
//
// Otherwise should result in an error status
//
Operand = (0x5bababab);
Status = SafeIntnToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-1537977259);
Status = SafeIntnToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeIntnToInt16) {
RETURN_STATUS Status;
INTN Operand;
INT16 Result;
//
// If Operand is between MIN_INT16 and MAX_INT16 inclusive, then it's a cast
//
Operand = 0x5bab;
Result = 0;
Status = SafeIntnToInt16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5bab, Result);
Operand = (-23467);
Status = SafeIntnToInt16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-23467), Result);
//
// Otherwise should result in an error status
//
Operand = (0x5bababab);
Status = SafeIntnToInt16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-1537977259);
Status = SafeIntnToInt16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeIntnToUint16) {
RETURN_STATUS Status;
INTN Operand;
UINT16 Result;
//
// If Operand is between 0 and MAX_UINT16 inclusive, then it's a cast
//
Operand = 0xabab;
Result = 0;
Status = SafeIntnToUint16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xabab, Result);
//
// Otherwise should result in an error status
//
Operand = (0x5bababab);
Status = SafeIntnToUint16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-1537977259);
Status = SafeIntnToUint16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeIntnToUintn) {
RETURN_STATUS Status;
INTN Operand;
UINTN Result;
//
// If Operand is non-negative, then it's a cast
//
Operand = 0x5bababab;
Result = 0;
Status = SafeIntnToUintn (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINTN)0x5bababab, Result);
//
// Otherwise should result in an error status
//
Operand = (-1537977259);
Status = SafeIntnToUintn (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeIntnToUint64) {
RETURN_STATUS Status;
INTN Operand;
UINT64 Result;
//
// If Operand is non-negative, then it's a cast
//
Operand = 0x5bababab;
Result = 0;
Status = SafeIntnToUint64 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT64)0x5bababab, Result);
//
// Otherwise should result in an error status
//
Operand = (-1537977259);
Status = SafeIntnToUint64 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUintnToInt8) {
RETURN_STATUS Status;
UINTN Operand;
INT8 Result;
//
// If Operand is <= MAX_INT8, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeUintnToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Otherwise should result in an error status
//
Operand = (0xabab);
Status = SafeUintnToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUintnToChar8) {
RETURN_STATUS Status;
UINTN Operand;
CHAR8 Result;
// CHAR8 is typedefed as char, which by default is signed, thus
// CHAR8 is same as INT8, so same tests as above:
//
// If Operand is <= MAX_INT8, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeUintnToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Otherwise should result in an error status
//
Operand = (0xabab);
Status = SafeUintnToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUintnToUint8) {
RETURN_STATUS Status;
UINTN Operand;
UINT8 Result;
//
// If Operand is <= MAX_UINT8, then it's a cast
//
Operand = 0xab;
Result = 0;
Status = SafeUintnToUint8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xabab);
Status = SafeUintnToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUintnToInt16) {
RETURN_STATUS Status;
UINTN Operand;
INT16 Result;
//
// If Operand is <= MAX_INT16, then it's a cast
//
Operand = 0x5bab;
Result = 0;
Status = SafeUintnToInt16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5bab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xabab);
Status = SafeUintnToInt16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUintnToUint16) {
RETURN_STATUS Status;
UINTN Operand;
UINT16 Result;
//
// If Operand is <= MAX_UINT16, then it's a cast
//
Operand = 0xabab;
Result = 0;
Status = SafeUintnToUint16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xabab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xabababab);
Status = SafeUintnToUint16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUintnToInt32) {
RETURN_STATUS Status;
UINTN Operand;
INT32 Result;
//
// If Operand is <= MAX_INT32, then it's a cast
//
Operand = 0x5bababab;
Result = 0;
Status = SafeUintnToInt32 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5bababab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xabababab);
Status = SafeUintnToInt32 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt64ToInt8) {
RETURN_STATUS Status;
INT64 Operand;
INT8 Result;
//
// If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt64ToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
Operand = (-37);
Status = SafeInt64ToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-37), Result);
//
// Otherwise should result in an error status
//
Operand = (0x5babababefefefef);
Status = SafeInt64ToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-6605562033422200815);
Status = SafeInt64ToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt64ToChar8) {
RETURN_STATUS Status;
INT64 Operand;
CHAR8 Result;
//
// CHAR8 is typedefed as char, which may be signed or unsigned based
// on the compiler. Thus, for compatibility CHAR8 should be between 0 and MAX_INT8.
//
//
// If Operand is between MIN_INT8 and MAX_INT8 inclusive, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeInt64ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
Operand = 0;
Result = 0;
Status = SafeInt64ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0, Result);
Operand = MAX_INT8;
Result = 0;
Status = SafeInt64ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (MAX_INT8, Result);
//
// Otherwise should result in an error status
//
Operand = (-37);
Status = SafeInt64ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (0x5babababefefefef);
Status = SafeInt64ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-6605562033422200815);
Status = SafeInt64ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt64ToUint8) {
RETURN_STATUS Status;
INT64 Operand;
UINT8 Result;
//
// If Operand is between 0 and MAX_UINT8 inclusive, then it's a cast
//
Operand = 0xab;
Result = 0;
Status = SafeInt64ToUint8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xab, Result);
//
// Otherwise should result in an error status
//
Operand = (0x5babababefefefef);
Status = SafeInt64ToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-6605562033422200815);
Status = SafeInt64ToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt64ToInt16) {
RETURN_STATUS Status;
INT64 Operand;
INT16 Result;
//
// If Operand is between MIN_INT16 and MAX_INT16 inclusive, then it's a cast
//
Operand = 0x5bab;
Result = 0;
Status = SafeInt64ToInt16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5bab, Result);
Operand = (-23467);
Status = SafeInt64ToInt16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-23467), Result);
//
// Otherwise should result in an error status
//
Operand = (0x5babababefefefef);
Status = SafeInt64ToInt16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-6605562033422200815);
Status = SafeInt64ToInt16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt64ToUint16) {
RETURN_STATUS Status;
INT64 Operand;
UINT16 Result;
//
// If Operand is between 0 and MAX_UINT16 inclusive, then it's a cast
//
Operand = 0xabab;
Result = 0;
Status = SafeInt64ToUint16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xabab, Result);
//
// Otherwise should result in an error status
//
Operand = (0x5babababefefefef);
Status = SafeInt64ToUint16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-6605562033422200815);
Status = SafeInt64ToUint16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt64ToInt32) {
RETURN_STATUS Status;
INT64 Operand;
INT32 Result;
//
// If Operand is between MIN_INT32 and MAX_INT32 inclusive, then it's a cast
//
Operand = 0x5bababab;
Result = 0;
Status = SafeInt64ToInt32 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5bababab, Result);
Operand = (-1537977259);
Status = SafeInt64ToInt32 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-1537977259), Result);
//
// Otherwise should result in an error status
//
Operand = (0x5babababefefefef);
Status = SafeInt64ToInt32 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-6605562033422200815);
Status = SafeInt64ToInt32 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt64ToUint32) {
RETURN_STATUS Status;
INT64 Operand;
UINT32 Result;
//
// If Operand is between 0 and MAX_UINT32 inclusive, then it's a cast
//
Operand = 0xabababab;
Result = 0;
Status = SafeInt64ToUint32 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xabababab, Result);
//
// Otherwise should result in an error status
//
Operand = (0x5babababefefefef);
Status = SafeInt64ToUint32 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Operand = (-6605562033422200815);
Status = SafeInt64ToUint32 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeInt64ToUint64) {
RETURN_STATUS Status;
INT64 Operand;
UINT64 Result;
//
// If Operand is non-negative, then it's a cast
//
Operand = 0x5babababefefefef;
Result = 0;
Status = SafeInt64ToUint64 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT64)0x5babababefefefef, Result);
//
// Otherwise should result in an error status
//
Operand = (-6605562033422200815);
Status = SafeInt64ToUint64 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint64ToInt8) {
RETURN_STATUS Status;
UINT64 Operand;
INT8 Result;
//
// If Operand is <= MAX_INT8, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeUint64ToInt8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Otherwise should result in an error status
//
Operand = (0xababababefefefef);
Status = SafeUint64ToInt8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint64ToChar8) {
RETURN_STATUS Status;
UINT64 Operand;
CHAR8 Result;
// CHAR8 is typedefed as char, which by default is signed, thus
// CHAR8 is same as INT8, so same tests as above:
//
// If Operand is <= MAX_INT8, then it's a cast
//
Operand = 0x5b;
Result = 0;
Status = SafeUint64ToChar8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5b, Result);
//
// Otherwise should result in an error status
//
Operand = (0xababababefefefef);
Status = SafeUint64ToChar8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint64ToUint8) {
RETURN_STATUS Status;
UINT64 Operand;
UINT8 Result;
//
// If Operand is <= MAX_UINT8, then it's a cast
//
Operand = 0xab;
Result = 0;
Status = SafeUint64ToUint8 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xababababefefefef);
Status = SafeUint64ToUint8 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint64ToInt16) {
RETURN_STATUS Status;
UINT64 Operand;
INT16 Result;
//
// If Operand is <= MAX_INT16, then it's a cast
//
Operand = 0x5bab;
Result = 0;
Status = SafeUint64ToInt16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5bab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xababababefefefef);
Status = SafeUint64ToInt16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint64ToUint16) {
RETURN_STATUS Status;
UINT64 Operand;
UINT16 Result;
//
// If Operand is <= MAX_UINT16, then it's a cast
//
Operand = 0xabab;
Result = 0;
Status = SafeUint64ToUint16 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xabab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xababababefefefef);
Status = SafeUint64ToUint16 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint64ToInt32) {
RETURN_STATUS Status;
UINT64 Operand;
INT32 Result;
//
// If Operand is <= MAX_INT32, then it's a cast
//
Operand = 0x5bababab;
Result = 0;
Status = SafeUint64ToInt32 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5bababab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xababababefefefef);
Status = SafeUint64ToInt32 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint64ToUint32) {
RETURN_STATUS Status;
UINT64 Operand;
UINT32 Result;
//
// If Operand is <= MAX_UINT32, then it's a cast
//
Operand = 0xabababab;
Result = 0;
Status = SafeUint64ToUint32 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xabababab, Result);
//
// Otherwise should result in an error status
//
Operand = (0xababababefefefef);
Status = SafeUint64ToUint32 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(ConversionTestSuite, TestSafeUint64ToInt64) {
RETURN_STATUS Status;
UINT64 Operand;
INT64 Result;
//
// If Operand is <= MAX_INT64, then it's a cast
//
Operand = 0x5babababefefefef;
Result = 0;
Status = SafeUint64ToInt64 (Operand, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x5babababefefefef, Result);
//
// Otherwise should result in an error status
//
Operand = (0xababababefefefef);
Status = SafeUint64ToInt64 (Operand, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
//
// Addition function tests:
//
TEST(AdditionSubtractionTestSuite, TestSafeUint8Add) {
RETURN_STATUS Status;
UINT8 Augend;
UINT8 Addend;
UINT8 Result;
//
// If the result of addition doesn't overflow MAX_UINT8, then it's addition
//
Augend = 0x3a;
Addend = 0x3a;
Result = 0;
Status = SafeUint8Add (Augend, Addend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x74, Result);
//
// Otherwise should result in an error status
//
Augend = 0xab;
Addend = 0xbc;
Status = SafeUint8Add (Augend, Addend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeUint16Add) {
RETURN_STATUS Status;
UINT16 Augend = 0x3a3a;
UINT16 Addend = 0x3a3a;
UINT16 Result = 0;
//
// If the result of addition doesn't overflow MAX_UINT16, then it's addition
//
Status = SafeUint16Add (Augend, Addend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x7474, Result);
//
// Otherwise should result in an error status
//
Augend = 0xabab;
Addend = 0xbcbc;
Status = SafeUint16Add (Augend, Addend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeUint32Add) {
RETURN_STATUS Status;
UINT32 Augend;
UINT32 Addend;
UINT32 Result;
//
// If the result of addition doesn't overflow MAX_UINT32, then it's addition
//
Augend = 0x3a3a3a3a;
Addend = 0x3a3a3a3a;
Result = 0;
Status = SafeUint32Add (Augend, Addend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT32)0x74747474, Result);
//
// Otherwise should result in an error status
//
Augend = 0xabababab;
Addend = 0xbcbcbcbc;
Status = SafeUint32Add (Augend, Addend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeUint64Add) {
RETURN_STATUS Status;
UINT64 Augend;
UINT64 Addend;
UINT64 Result;
//
// If the result of addition doesn't overflow MAX_UINT64, then it's addition
//
Augend = 0x3a3a3a3a12121212;
Addend = 0x3a3a3a3a12121212;
Result = 0;
Status = SafeUint64Add (Augend, Addend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT64)0x7474747424242424, Result);
//
// Otherwise should result in an error status
//
Augend = 0xababababefefefef;
Addend = 0xbcbcbcbcdededede;
Status = SafeUint64Add (Augend, Addend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeInt8Add) {
RETURN_STATUS Status;
INT8 Augend;
INT8 Addend;
INT8 Result;
//
// If the result of addition doesn't overflow MAX_INT8
// and doesn't underflow MIN_INT8, then it's addition
//
Augend = 0x3a;
Addend = 0x3a;
Result = 0;
Status = SafeInt8Add (Augend, Addend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x74, Result);
Augend = (-58);
Addend = (-58);
Status = SafeInt8Add (Augend, Addend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-116), Result);
//
// Otherwise should result in an error status
//
Augend = 0x5a;
Addend = 0x5a;
Status = SafeInt8Add (Augend, Addend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Augend = (-90);
Addend = (-90);
Status = SafeInt8Add (Augend, Addend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeInt16Add) {
RETURN_STATUS Status;
INT16 Augend;
INT16 Addend;
INT16 Result;
//
// If the result of addition doesn't overflow MAX_INT16
// and doesn't underflow MIN_INT16, then it's addition
//
Augend = 0x3a3a;
Addend = 0x3a3a;
Result = 0;
Status = SafeInt16Add (Augend, Addend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x7474, Result);
Augend = (-14906);
Addend = (-14906);
Status = SafeInt16Add (Augend, Addend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-29812), Result);
//
// Otherwise should result in an error status
//
Augend = 0x5a5a;
Addend = 0x5a5a;
Status = SafeInt16Add (Augend, Addend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Augend = (-23130);
Addend = (-23130);
Status = SafeInt16Add (Augend, Addend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeInt32Add) {
RETURN_STATUS Status;
INT32 Augend;
INT32 Addend;
INT32 Result;
//
// If the result of addition doesn't overflow MAX_INT32
// and doesn't underflow MIN_INT32, then it's addition
//
Augend = 0x3a3a3a3a;
Addend = 0x3a3a3a3a;
Result = 0;
Status = SafeInt32Add (Augend, Addend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x74747474, Result);
Augend = (-976894522);
Addend = (-976894522);
Status = SafeInt32Add (Augend, Addend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-1953789044), Result);
//
// Otherwise should result in an error status
//
Augend = 0x5a5a5a5a;
Addend = 0x5a5a5a5a;
Status = SafeInt32Add (Augend, Addend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Augend = (-1515870810);
Addend = (-1515870810);
Status = SafeInt32Add (Augend, Addend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeInt64Add) {
RETURN_STATUS Status;
INT64 Augend;
INT64 Addend;
INT64 Result;
//
// If the result of addition doesn't overflow MAX_INT64
// and doesn't underflow MIN_INT64, then it's addition
//
Augend = 0x3a3a3a3a3a3a3a3a;
Addend = 0x3a3a3a3a3a3a3a3a;
Result = 0;
Status = SafeInt64Add (Augend, Addend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x7474747474747474, Result);
Augend = (-4195730024608447034);
Addend = (-4195730024608447034);
Status = SafeInt64Add (Augend, Addend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-8391460049216894068), Result);
//
// Otherwise should result in an error status
//
Augend = 0x5a5a5a5a5a5a5a5a;
Addend = 0x5a5a5a5a5a5a5a5a;
Status = SafeInt64Add (Augend, Addend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Augend = (-6510615555426900570);
Addend = (-6510615555426900570);
Status = SafeInt64Add (Augend, Addend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
//
// Subtraction function tests:
//
TEST(AdditionSubtractionTestSuite, TestSafeUint8Sub) {
RETURN_STATUS Status;
UINT8 Minuend;
UINT8 Subtrahend;
UINT8 Result;
//
// If Minuend >= Subtrahend, then it's subtraction
//
Minuend = 0x5a;
Subtrahend = 0x3b;
Result = 0;
Status = SafeUint8Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x1f, Result);
//
// Otherwise should result in an error status
//
Minuend = 0x5a;
Subtrahend = 0x6d;
Status = SafeUint8Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeUint16Sub) {
RETURN_STATUS Status;
UINT16 Minuend;
UINT16 Subtrahend;
UINT16 Result;
//
// If Minuend >= Subtrahend, then it's subtraction
//
Minuend = 0x5a5a;
Subtrahend = 0x3b3b;
Result = 0;
Status = SafeUint16Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x1f1f, Result);
//
// Otherwise should result in an error status
//
Minuend = 0x5a5a;
Subtrahend = 0x6d6d;
Status = SafeUint16Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeUint32Sub) {
RETURN_STATUS Status;
UINT32 Minuend;
UINT32 Subtrahend;
UINT32 Result;
//
// If Minuend >= Subtrahend, then it's subtraction
//
Minuend = 0x5a5a5a5a;
Subtrahend = 0x3b3b3b3b;
Result = 0;
Status = SafeUint32Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT32)0x1f1f1f1f, Result);
//
// Otherwise should result in an error status
//
Minuend = 0x5a5a5a5a;
Subtrahend = 0x6d6d6d6d;
Status = SafeUint32Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeUint64Sub) {
RETURN_STATUS Status;
UINT64 Minuend;
UINT64 Subtrahend;
UINT64 Result;
//
// If Minuend >= Subtrahend, then it's subtraction
//
Minuend = 0x5a5a5a5a5a5a5a5a;
Subtrahend = 0x3b3b3b3b3b3b3b3b;
Result = 0;
Status = SafeUint64Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT64)0x1f1f1f1f1f1f1f1f, Result);
//
// Otherwise should result in an error status
//
Minuend = 0x5a5a5a5a5a5a5a5a;
Subtrahend = 0x6d6d6d6d6d6d6d6d;
Status = SafeUint64Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeInt8Sub) {
RETURN_STATUS Status;
INT8 Minuend;
INT8 Subtrahend;
INT8 Result;
//
// If the result of subtractions doesn't overflow MAX_INT8 or
// underflow MIN_INT8, then it's subtraction
//
Minuend = 0x5a;
Subtrahend = 0x3a;
Result = 0;
Status = SafeInt8Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x20, Result);
Minuend = 58;
Subtrahend = 78;
Status = SafeInt8Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-20), Result);
//
// Otherwise should result in an error status
//
Minuend = (-80);
Subtrahend = 80;
Status = SafeInt8Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Minuend = (80);
Subtrahend = (-80);
Status = SafeInt8Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeInt16Sub) {
RETURN_STATUS Status;
INT16 Minuend;
INT16 Subtrahend;
INT16 Result;
//
// If the result of subtractions doesn't overflow MAX_INT16 or
// underflow MIN_INT16, then it's subtraction
//
Minuend = 0x5a5a;
Subtrahend = 0x3a3a;
Result = 0;
Status = SafeInt16Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x2020, Result);
Minuend = 0x3a3a;
Subtrahend = 0x5a5a;
Status = SafeInt16Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-8224), Result);
//
// Otherwise should result in an error status
//
Minuend = (-31354);
Subtrahend = 31354;
Status = SafeInt16Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Minuend = (31354);
Subtrahend = (-31354);
Status = SafeInt16Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeInt32Sub) {
RETURN_STATUS Status;
INT32 Minuend;
INT32 Subtrahend;
INT32 Result;
//
// If the result of subtractions doesn't overflow MAX_INT32 or
// underflow MIN_INT32, then it's subtraction
//
Minuend = 0x5a5a5a5a;
Subtrahend = 0x3a3a3a3a;
Result = 0;
Status = SafeInt32Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x20202020, Result);
Minuend = 0x3a3a3a3a;
Subtrahend = 0x5a5a5a5a;
Status = SafeInt32Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-538976288), Result);
//
// Otherwise should result in an error status
//
Minuend = (-2054847098);
Subtrahend = 2054847098;
Status = SafeInt32Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Minuend = (2054847098);
Subtrahend = (-2054847098);
Status = SafeInt32Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(AdditionSubtractionTestSuite, TestSafeInt64Sub) {
RETURN_STATUS Status;
INT64 Minuend;
INT64 Subtrahend;
INT64 Result;
//
// If the result of subtractions doesn't overflow MAX_INT64 or
// underflow MIN_INT64, then it's subtraction
//
Minuend = 0x5a5a5a5a5a5a5a5a;
Subtrahend = 0x3a3a3a3a3a3a3a3a;
Result = 0;
Status = SafeInt64Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x2020202020202020, Result);
Minuend = 0x3a3a3a3a3a3a3a3a;
Subtrahend = 0x5a5a5a5a5a5a5a5a;
Status = SafeInt64Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((-2314885530818453536), Result);
//
// Otherwise should result in an error status
//
Minuend = (-8825501086245354106);
Subtrahend = 8825501086245354106;
Status = SafeInt64Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
Minuend = (8825501086245354106);
Subtrahend = (-8825501086245354106);
Status = SafeInt64Sub (Minuend, Subtrahend, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
//
// Multiplication function tests:
//
TEST(MultiplicationTestSuite, TestSafeUint8Mult) {
RETURN_STATUS Status;
UINT8 Multiplicand;
UINT8 Multiplier;
UINT8 Result;
//
// If the result of multiplication doesn't overflow MAX_UINT8, it will succeed
//
Multiplicand = 0x12;
Multiplier = 0xa;
Result = 0;
Status = SafeUint8Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xb4, Result);
//
// Otherwise should result in an error status
//
Multiplicand = 0x12;
Multiplier = 0x23;
Status = SafeUint8Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(MultiplicationTestSuite, TestSafeUint16Mult) {
RETURN_STATUS Status;
UINT16 Multiplicand;
UINT16 Multiplier;
UINT16 Result;
//
// If the result of multiplication doesn't overflow MAX_UINT16, it will succeed
//
Multiplicand = 0x212;
Multiplier = 0x7a;
Result = 0;
Status = SafeUint16Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0xfc94, Result);
//
// Otherwise should result in an error status
//
Multiplicand = 0x1234;
Multiplier = 0x213;
Status = SafeUint16Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(MultiplicationTestSuite, TestSafeUint32Mult) {
RETURN_STATUS Status;
UINT32 Multiplicand;
UINT32 Multiplier;
UINT32 Result;
//
// If the result of multiplication doesn't overflow MAX_UINT32, it will succeed
//
Multiplicand = 0xa122a;
Multiplier = 0xd23;
Result = 0;
Status = SafeUint32Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x844c9dbe, Result);
//
// Otherwise should result in an error status
//
Multiplicand = 0xa122a;
Multiplier = 0xed23;
Status = SafeUint32Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(MultiplicationTestSuite, TestSafeUint64Mult) {
RETURN_STATUS Status;
UINT64 Multiplicand;
UINT64 Multiplier;
UINT64 Result;
//
// If the result of multiplication doesn't overflow MAX_UINT64, it will succeed
//
Multiplicand = 0x123456789a;
Multiplier = 0x1234567;
Result = 0;
Status = SafeUint64Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ ((UINT64)0x14b66db9745a07f6, Result);
//
// Otherwise should result in an error status
//
Multiplicand = 0x123456789a;
Multiplier = 0x12345678;
Status = SafeUint64Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(MultiplicationTestSuite, TestSafeInt8Mult) {
RETURN_STATUS Status;
INT8 Multiplicand;
INT8 Multiplier;
INT8 Result;
//
// If the result of multiplication doesn't overflow MAX_INT8 and doesn't
// underflow MIN_UINT8, it will succeed
//
Multiplicand = 0x12;
Multiplier = 0x7;
Result = 0;
Status = SafeInt8Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x7e, Result);
//
// Otherwise should result in an error status
//
Multiplicand = 0x12;
Multiplier = 0xa;
Status = SafeInt8Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(MultiplicationTestSuite, TestSafeInt16Mult) {
RETURN_STATUS Status;
INT16 Multiplicand;
INT16 Multiplier;
INT16 Result;
//
// If the result of multiplication doesn't overflow MAX_INT16 and doesn't
// underflow MIN_UINT16, it will succeed
//
Multiplicand = 0x123;
Multiplier = 0x67;
Result = 0;
Status = SafeInt16Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x7515, Result);
//
// Otherwise should result in an error status
//
Multiplicand = 0x123;
Multiplier = 0xab;
Status = SafeInt16Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(MultiplicationTestSuite, TestSafeInt32Mult) {
RETURN_STATUS Status;
INT32 Multiplicand;
INT32 Multiplier;
INT32 Result;
//
// If the result of multiplication doesn't overflow MAX_INT32 and doesn't
// underflow MIN_UINT32, it will succeed
//
Multiplicand = 0x123456;
Multiplier = 0x678;
Result = 0;
Status = SafeInt32Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x75c28c50, Result);
//
// Otherwise should result in an error status
//
Multiplicand = 0x123456;
Multiplier = 0xabc;
Status = SafeInt32Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
TEST(MultiplicationTestSuite, TestSafeInt64Mult) {
RETURN_STATUS Status;
INT64 Multiplicand;
INT64 Multiplier;
INT64 Result;
//
// If the result of multiplication doesn't overflow MAX_INT64 and doesn't
// underflow MIN_UINT64, it will succeed
//
Multiplicand = 0x123456789;
Multiplier = 0x6789abcd;
Result = 0;
Status = SafeInt64Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (Status, RETURN_SUCCESS);
ASSERT_EQ (0x75cd9045220d6bb5, Result);
//
// Otherwise should result in an error status
//
Multiplicand = 0x123456789;
Multiplier = 0xa789abcd;
Status = SafeInt64Mult (Multiplicand, Multiplier, &Result);
ASSERT_EQ (RETURN_BUFFER_TOO_SMALL, Status);
}
int main(int argc, char* argv[]) {
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}