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 <fcntl.h>
20 #include <sys/stat.h>
21 #include <sys/types.h>
22
23 #include <cstdio>
24
25 #include "gtest/gtest.h"
26
27 #include "base/os.h"
28 #include "base/unix_file/fd_file.h"
29 #include "common_runtime_test.h"
30
31 namespace art {
32
33 class SwapSpaceTest : public CommonRuntimeTest {
34 };
35
SwapTest(bool use_file)36 static void SwapTest(bool use_file) {
37 ScratchFile scratch;
38 int fd = scratch.GetFd();
39 unlink(scratch.GetFilename().c_str());
40
41 SwapSpace pool(fd, 1 * MB);
42 SwapAllocator<void> alloc(use_file ? &pool : nullptr);
43
44 SwapVector<int32_t> v(alloc);
45 v.reserve(1000000);
46 for (int32_t i = 0; i < 1000000; ++i) {
47 v.push_back(i);
48 EXPECT_EQ(i, v[i]);
49 }
50
51 SwapVector<int32_t> v2(alloc);
52 v2.reserve(1000000);
53 for (int32_t i = 0; i < 1000000; ++i) {
54 v2.push_back(i);
55 EXPECT_EQ(i, v2[i]);
56 }
57
58 SwapVector<int32_t> v3(alloc);
59 v3.reserve(500000);
60 for (int32_t i = 0; i < 1000000; ++i) {
61 v3.push_back(i);
62 EXPECT_EQ(i, v2[i]);
63 }
64
65 // Verify contents.
66 for (int32_t i = 0; i < 1000000; ++i) {
67 EXPECT_EQ(i, v[i]);
68 EXPECT_EQ(i, v2[i]);
69 EXPECT_EQ(i, v3[i]);
70 }
71
72 scratch.Close();
73 }
74
TEST_F(SwapSpaceTest,Memory)75 TEST_F(SwapSpaceTest, Memory) {
76 SwapTest(false);
77 }
78
TEST_F(SwapSpaceTest,Swap)79 TEST_F(SwapSpaceTest, Swap) {
80 SwapTest(true);
81 }
82
83 } // namespace art
84