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