1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "utils/swap_space.h"
18
19#include <cstdio>
20#include <sys/types.h>
21#include <sys/stat.h>
22#include <fcntl.h>
23#include "gtest/gtest.h"
24
25#include "base/unix_file/fd_file.h"
26#include "common_runtime_test.h"
27#include "os.h"
28
29namespace art {
30
31class SwapSpaceTest : public CommonRuntimeTest {
32};
33
34static void SwapTest(bool use_file) {
35  ScratchFile scratch;
36  int fd = scratch.GetFd();
37  unlink(scratch.GetFilename().c_str());
38
39  SwapSpace pool(fd, 1 * MB);
40  SwapAllocator<void> alloc(use_file ? &pool : nullptr);
41
42  SwapVector<int32_t> v(alloc);
43  v.reserve(1000000);
44  for (int32_t i = 0; i < 1000000; ++i) {
45    v.push_back(i);
46    EXPECT_EQ(i, v[i]);
47  }
48
49  SwapVector<int32_t> v2(alloc);
50  v2.reserve(1000000);
51  for (int32_t i = 0; i < 1000000; ++i) {
52    v2.push_back(i);
53    EXPECT_EQ(i, v2[i]);
54  }
55
56  SwapVector<int32_t> v3(alloc);
57  v3.reserve(500000);
58  for (int32_t i = 0; i < 1000000; ++i) {
59    v3.push_back(i);
60    EXPECT_EQ(i, v2[i]);
61  }
62
63  // Verify contents.
64  for (int32_t i = 0; i < 1000000; ++i) {
65    EXPECT_EQ(i, v[i]);
66    EXPECT_EQ(i, v2[i]);
67    EXPECT_EQ(i, v3[i]);
68  }
69
70  scratch.Close();
71}
72
73TEST_F(SwapSpaceTest, Memory) {
74  SwapTest(false);
75}
76
77TEST_F(SwapSpaceTest, Swap) {
78  SwapTest(true);
79}
80
81}  // namespace art
82