Files
compute-runtime/unit_tests/helpers/hash_tests.cpp
Filip Hazubski 8b57d28116 clang-format: enable sorting includes
Include files are now grouped and sorted in following order:
1. Header file of the class the current file implements
2. Project files
3. Third party files
4. Standard library

Change-Id: If31af05652184169f7fee1d7ad08f1b2ed602cf0
Signed-off-by: Filip Hazubski <filip.hazubski@intel.com>
2019-02-27 11:50:07 +01:00

37 lines
947 B
C++

/*
* Copyright (C) 2018-2019 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "runtime/helpers/hash.h"
#include "gtest/gtest.h"
using namespace OCLRT;
TEST(HashTests, givenSamePointersWhenHashIsCalculatedThenSame32BitValuesAreGenerated) {
uintptr_t ptr1UI = 1;
uintptr_t ptr2UI = 1;
void *ptr1 = reinterpret_cast<void *>(ptr1UI);
void *ptr2 = reinterpret_cast<void *>(ptr2UI);
uint32_t hash1 = hashPtrToU32(ptr1);
uint32_t hash2 = hashPtrToU32(ptr2);
EXPECT_EQ(hash1, hash2);
}
TEST(HashTests, givenDifferentPointersWhenHashIsCalculatedThenUnique32BitValuesAreGenerated) {
uintptr_t ptr1UI = 1;
uintptr_t ptr2UI = ptr1UI | (ptr1UI << ((sizeof(uintptr_t) / 2) * 8));
void *ptr1 = reinterpret_cast<void *>(ptr1UI);
void *ptr2 = reinterpret_cast<void *>(ptr2UI);
uint32_t hash1 = hashPtrToU32(ptr1);
uint32_t hash2 = hashPtrToU32(ptr2);
EXPECT_NE(hash1, hash2);
}