1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
* Copyright (C) 2018-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/aligned_memory.h"
#include "shared/source/memory_manager/address_mapper.h"
#include "shared/test/common/test_macros/test.h"
#include "gtest/gtest.h"
#include <memory>
using namespace NEO;
class AddressMapperFixture {
public:
void setUp() {
mapper = new AddressMapper();
}
void tearDown() {
delete mapper;
}
AddressMapper *mapper;
};
using AddressMapperTests = Test<AddressMapperFixture>;
TEST_F(AddressMapperTests, GivenAlignedPointersWhenMappingThenPointersAreAligned) {
uint32_t m1 = mapper->map((void *)0x1000, MemoryConstants::pageSize);
EXPECT_EQ(0x1000u, m1);
uint32_t m2 = mapper->map((void *)0x3000, MemoryConstants::pageSize);
EXPECT_EQ(0x2000u, m2);
uint32_t m3 = mapper->map((void *)0x1000, MemoryConstants::pageSize);
EXPECT_EQ(0x1000u, m3);
}
TEST_F(AddressMapperTests, GivenUnalignedPointersWhenMappingThenPointersAreAligned) {
void *vm1 = (void *)(0x1100);
void *vm2 = (void *)(0x4100);
uint32_t m1 = mapper->map(vm1, MemoryConstants::pageSize);
EXPECT_EQ(0x1000u, m1);
uint32_t m2 = mapper->map(vm2, MemoryConstants::pageSize);
EXPECT_EQ(0x3000u, m2);
uint32_t m3 = mapper->map(vm1, MemoryConstants::pageSize);
EXPECT_EQ(0x1000u, m3);
}
TEST_F(AddressMapperTests, WhenResizingThenPointerIsAligned) {
uint32_t m1 = mapper->map((void *)0x1000, MemoryConstants::pageSize);
EXPECT_EQ(0x1000u, m1);
uint32_t m2 = mapper->map((void *)0x1000, 2 * MemoryConstants::pageSize);
EXPECT_EQ(0x2000u, m2);
}
TEST_F(AddressMapperTests, WhenUnmappingThenMappingWorksCorrectly) {
mapper->unmap((void *)0x1000);
uint32_t m1 = mapper->map((void *)0x2000, MemoryConstants::pageSize);
EXPECT_EQ(0x1000u, m1);
// no crash expected
mapper->unmap((void *)0x1000);
mapper->unmap((void *)0x2000);
uint32_t m2 = mapper->map((void *)0x2000, MemoryConstants::pageSize);
EXPECT_NE(m1, m2);
EXPECT_EQ(0x2000u, m2);
}
|
