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/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/hash.h"
#include "opencl/source/helpers/string_helpers.h"
#include "gtest/gtest.h"
using NEO::Hash;
TEST(CreateCombinedStrings, GivenSingleStringWhenCreatingCombinedStringThenDstStringMatchesSrcString) {
std::string dstString;
size_t dstStringSizeInBytes = 0;
const char srcString[] = "HelloWorld";
const char *pSrcString = srcString;
auto srcStrings = &pSrcString;
size_t lengths = strlen(srcString);
auto retVal = createCombinedString(
dstString,
dstStringSizeInBytes,
1,
srcStrings,
&lengths);
EXPECT_EQ(CL_SUCCESS, retVal);
EXPECT_EQ(lengths + 1, dstStringSizeInBytes);
EXPECT_EQ(0, strcmp(srcString, dstString.c_str()));
}
TEST(CreateCombinedStrings, GivenNullLengthWhenCreatingCombinedStringThenDstStringIsCreatedCorrectly) {
std::string dstString;
size_t dstStringSizeInBytes = 0;
const char srcString[] = "HelloWorld";
const char *pSrcString = srcString;
auto srcStrings = &pSrcString;
auto retVal = createCombinedString(
dstString,
dstStringSizeInBytes,
1,
srcStrings,
nullptr);
EXPECT_EQ(CL_SUCCESS, retVal);
EXPECT_EQ(0, strcmp(srcString, dstString.c_str()));
}
TEST(CreateCombinedStrings, GivenZeroLengthWhenCreatingCombinedStringThenDstStringIsCreatedCorrectly) {
std::string dstString;
size_t dstStringSizeInBytes = 0;
const char srcString[] = "HelloWorld";
const char *pSrcString = srcString;
auto srcStrings = &pSrcString;
size_t lengths = 0;
auto retVal = createCombinedString(
dstString,
dstStringSizeInBytes,
1,
srcStrings,
&lengths);
EXPECT_EQ(CL_SUCCESS, retVal);
EXPECT_EQ(0, strcmp(srcString, dstString.c_str()));
}
TEST(CreateCombinedStrings, GivenMultiStringWhenCreatingCombinedStringThenDstStringIsConcatenationOfSrcStrings) {
std::string dstString;
size_t dstStringSizeInBytes = 0;
const char *srcString[] = {"HelloWorld", "dlroWolleH"};
std::string combined(srcString[0]);
combined += srcString[1];
auto srcStrings = &srcString[0];
size_t lengths[2] = {strlen(srcString[0]), strlen(srcString[1])};
auto retVal = createCombinedString(
dstString,
dstStringSizeInBytes,
2,
srcStrings,
lengths);
EXPECT_EQ(CL_SUCCESS, retVal);
EXPECT_EQ(0, strcmp(combined.c_str(), dstString.c_str()));
}
TEST(CreateCombinedStrings, GivenMultiStringAndNullLengthWhenCreatingCombinedStringThenDstStringIsConcatenationOfSrcStrings) {
std::string dstString;
size_t dstStringSizeInBytes = 0;
const char *srcString[] = {"HelloWorld", "dlroWolleH"};
std::string combined(srcString[0]);
combined += srcString[1];
auto srcStrings = &srcString[0];
auto retVal = createCombinedString(
dstString,
dstStringSizeInBytes,
2,
srcStrings,
nullptr);
EXPECT_EQ(CL_SUCCESS, retVal);
EXPECT_EQ(0, strcmp(combined.c_str(), dstString.c_str()));
}
TEST(CreateCombinedStrings, GivenMultiStringAndZeroLengthWhenCreatingCombinedStringThenDstStringIsConcatenationOfSrcStrings) {
std::string dstString;
size_t dstStringSizeInBytes = 0;
const char *srcString[] = {"HelloWorld", "dlroWolleH"};
std::string combined(srcString[0]);
combined += srcString[1];
auto srcStrings = &srcString[0];
size_t lengths[2] = {0, strlen(srcString[1])};
auto retVal = createCombinedString(
dstString,
dstStringSizeInBytes,
2,
srcStrings,
lengths);
EXPECT_EQ(CL_SUCCESS, retVal);
EXPECT_EQ(0, strcmp(combined.c_str(), dstString.c_str()));
}
TEST(CreateCombinedStrings, GivenMultipleStringsIncludingOneWithErrorWhenCreatingCombinedStringThenErrorIsOmittedInDstString) {
std::string dstString;
size_t dstStringSizeInBytes = 0;
const char *srcString[] = {"HelloWorld", "dlroWolleHBABA"};
const char *expString[] = {"HelloWorld", "dlroWolleH"};
size_t lengths[2] = {0, strlen(expString[1])};
std::string combined(expString[0]);
combined += expString[1];
auto retVal = createCombinedString(
dstString,
dstStringSizeInBytes,
2,
srcString,
lengths);
EXPECT_EQ(CL_SUCCESS, retVal);
EXPECT_EQ(0, strcmp(combined.c_str(), dstString.c_str()));
}
TEST(CreateCombinedStrings, GivenInvalidInputWhenCreatingCombinedStringThenInvalidValueErrorIsReturned) {
std::string dstString;
size_t dstStringSizeInBytes = 0;
const char *srcString[] = {"HelloWorld", "dlroWolleH"};
std::string combined(srcString[0]);
combined += srcString[1];
const char *srcStrings[2] = {srcString[0], srcString[1]};
size_t lengths[2] = {0, strlen(srcString[1])};
auto retVal = createCombinedString(
dstString,
dstStringSizeInBytes,
0,
srcStrings,
lengths);
EXPECT_EQ(CL_INVALID_VALUE, retVal);
retVal = createCombinedString(
dstString,
dstStringSizeInBytes,
1,
nullptr,
lengths);
EXPECT_EQ(CL_INVALID_VALUE, retVal);
srcStrings[0] = nullptr;
retVal = createCombinedString(
dstString,
dstStringSizeInBytes,
2,
srcStrings,
lengths);
EXPECT_EQ(CL_INVALID_VALUE, retVal);
}
TEST(CreateCombinedStrings, GivenMultipleStringThatCountIsHigherThanMaximalStackSizeSizesWhenCreatingCombinedStringThenCorrectStringIsReturned) {
std::string dstString;
size_t dstStringSizeInBytes = 0;
const char *defaultString = "hello";
const char *srcString[maximalStackSizeSizes + 2];
std::string combinedString;
for (int i = 0; i < maximalStackSizeSizes + 2; i++) {
srcString[i] = defaultString;
combinedString += defaultString;
}
auto retVal = createCombinedString(
dstString,
dstStringSizeInBytes,
maximalStackSizeSizes + 2,
srcString,
nullptr);
EXPECT_EQ(CL_SUCCESS, retVal);
EXPECT_EQ(0, strcmp(combinedString.c_str(), dstString.c_str()));
}
TEST(CreateHash, WhenGettingHashesThenHashesAreDeterministicAndDoNotCollide) {
char pBuffer[128];
memset(pBuffer, 0x23, sizeof(pBuffer));
// make sure we can get a hash and make sure we can get the same hash
auto hash1 = Hash::hash(pBuffer, sizeof(pBuffer));
auto hash2 = Hash::hash(pBuffer, sizeof(pBuffer));
EXPECT_NE(0u, hash1);
EXPECT_NE(0u, hash2);
EXPECT_EQ(hash1, hash2);
// make sure that we get a different hash for different length/data
auto hash3 = Hash::hash(pBuffer, sizeof(pBuffer) - 1);
EXPECT_NE(0u, hash3);
EXPECT_NE(hash2, hash3);
}
TEST(CreateHash, WhenGettingHashThenChangesPastLengthDoNotAffectOutput) {
char pBuffer[] = {
0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55};
// Use unaligned lengths. Wiggle the byte after the length
// Shouldn't affect hash.
for (auto length = 1u; length < sizeof(pBuffer); length++) {
auto hash1 = Hash::hash(pBuffer, length);
pBuffer[length]++;
EXPECT_EQ(hash1, Hash::hash(pBuffer, length));
}
}
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