compute-runtime/unit_tests/os_interface/32bit_memory_tests.cpp

60 lines
2.3 KiB
C++

/*
* Copyright (c) 2017, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "gtest/gtest.h"
#include "runtime/os_interface/32bit_memory.h"
#include "runtime/helpers/aligned_memory.h"
using namespace OCLRT;
TEST(Memory32Bit, Given32bitAllocatorWhenAskedForAllocationThen32BitPointerIsReturned) {
size_t size = 100u;
Allocator32bit allocator32bit;
auto ptr = allocator32bit.allocate(size);
uintptr_t address64bit = (uintptr_t)ptr - allocator32bit.getBase();
if (is32BitOsAllocatorAvailable) {
EXPECT_LT(address64bit, max32BitAddress);
}
EXPECT_LT(0u, address64bit);
auto ret = allocator32bit.free(ptr, size);
EXPECT_EQ(0, ret);
}
TEST(Memory32Bit, Given32bitAllocatorWhenAskedForAllocationThenPageAlignedPointerIsReturnedWithSizeAlignedToPage) {
size_t size = 100u;
Allocator32bit allocator32bit;
auto ptr = allocator32bit.allocate(size);
EXPECT_EQ(ptr, alignDown(ptr, MemoryConstants::pageSize));
auto ret = allocator32bit.free(ptr, size);
EXPECT_EQ(0, ret);
}
TEST(Memory32Bit, Given32bitAllocatorWithBaseAndSizeWhenAskedForBaseThenCorrectBaseIsReturned) {
uint64_t size = 100u;
uint64_t base = 0x23000;
Allocator32bit allocator32bit(base, size);
EXPECT_EQ(base, allocator32bit.getBase());
}