1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "webkit/browser/fileapi/file_system_usage_cache.h"
6
7#include "base/basictypes.h"
8#include "base/file_util.h"
9#include "base/files/scoped_temp_dir.h"
10#include "base/message_loop/message_loop.h"
11#include "testing/gtest/include/gtest/gtest.h"
12
13namespace fileapi {
14
15class FileSystemUsageCacheTest : public testing::Test {
16 public:
17  FileSystemUsageCacheTest()
18      : usage_cache_(base::MessageLoopProxy::current().get()) {}
19
20  virtual void SetUp() {
21    ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
22  }
23
24 protected:
25  base::FilePath GetUsageFilePath() {
26    return data_dir_.path().Append(FileSystemUsageCache::kUsageFileName);
27  }
28
29  FileSystemUsageCache* usage_cache() {
30    return &usage_cache_;
31  }
32
33 private:
34  base::MessageLoop message_loop_;
35  base::ScopedTempDir data_dir_;
36  FileSystemUsageCache usage_cache_;
37
38  DISALLOW_COPY_AND_ASSIGN(FileSystemUsageCacheTest);
39};
40
41TEST_F(FileSystemUsageCacheTest, CreateTest) {
42  base::FilePath usage_file_path = GetUsageFilePath();
43  EXPECT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 0));
44}
45
46TEST_F(FileSystemUsageCacheTest, SetSizeTest) {
47  static const int64 size = 240122;
48  base::FilePath usage_file_path = GetUsageFilePath();
49  int64 usage = 0;
50  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
51  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
52  EXPECT_EQ(size, usage);
53}
54
55TEST_F(FileSystemUsageCacheTest, SetLargeSizeTest) {
56  static const int64 size = kint64max;
57  base::FilePath usage_file_path = GetUsageFilePath();
58  int64 usage = 0;
59  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
60  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
61  EXPECT_EQ(size, usage);
62}
63
64TEST_F(FileSystemUsageCacheTest, IncAndGetSizeTest) {
65  base::FilePath usage_file_path = GetUsageFilePath();
66  uint32 dirty = 0;
67  int64 usage = 0;
68  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 98214));
69  ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
70  EXPECT_TRUE(usage_cache()->GetDirty(usage_file_path, &dirty));
71  EXPECT_EQ(1u, dirty);
72  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
73  EXPECT_EQ(98214, usage);
74}
75
76TEST_F(FileSystemUsageCacheTest, DecAndGetSizeTest) {
77  static const int64 size = 71839;
78  base::FilePath usage_file_path = GetUsageFilePath();
79  int64 usage = 0;
80  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
81  // DecrementDirty for dirty = 0 is invalid. It returns false.
82  ASSERT_FALSE(usage_cache()->DecrementDirty(usage_file_path));
83  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
84  EXPECT_EQ(size, usage);
85}
86
87TEST_F(FileSystemUsageCacheTest, IncDecAndGetSizeTest) {
88  static const int64 size = 198491;
89  base::FilePath usage_file_path = GetUsageFilePath();
90  int64 usage = 0;
91  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
92  ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
93  ASSERT_TRUE(usage_cache()->DecrementDirty(usage_file_path));
94  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
95  EXPECT_EQ(size, usage);
96}
97
98TEST_F(FileSystemUsageCacheTest, DecIncAndGetSizeTest) {
99  base::FilePath usage_file_path = GetUsageFilePath();
100  uint32 dirty = 0;
101  int64 usage = 0;
102  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 854238));
103  // DecrementDirty for dirty = 0 is invalid. It returns false.
104  ASSERT_FALSE(usage_cache()->DecrementDirty(usage_file_path));
105  ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
106  // It tests DecrementDirty (which returns false) has no effect, i.e
107  // does not make dirty = -1 after DecrementDirty.
108  EXPECT_TRUE(usage_cache()->GetDirty(usage_file_path, &dirty));
109  EXPECT_EQ(1u, dirty);
110  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
111  EXPECT_EQ(854238, usage);
112}
113
114TEST_F(FileSystemUsageCacheTest, ManyIncsSameDecsAndGetSizeTest) {
115  static const int64 size = 82412;
116  base::FilePath usage_file_path = GetUsageFilePath();
117  int64 usage = 0;
118  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
119  for (int i = 0; i < 20; i++)
120    ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
121  for (int i = 0; i < 20; i++)
122    ASSERT_TRUE(usage_cache()->DecrementDirty(usage_file_path));
123  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
124  EXPECT_EQ(size, usage);
125}
126
127TEST_F(FileSystemUsageCacheTest, ManyIncsLessDecsAndGetSizeTest) {
128  uint32 dirty = 0;
129  int64 usage = 0;
130  base::FilePath usage_file_path = GetUsageFilePath();
131  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 19319));
132  for (int i = 0; i < 20; i++)
133    ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
134  for (int i = 0; i < 19; i++)
135    ASSERT_TRUE(usage_cache()->DecrementDirty(usage_file_path));
136  EXPECT_TRUE(usage_cache()->GetDirty(usage_file_path, &dirty));
137  EXPECT_EQ(1u, dirty);
138  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
139  EXPECT_EQ(19319, usage);
140}
141
142TEST_F(FileSystemUsageCacheTest, GetSizeWithoutCacheFileTest) {
143  int64 usage = 0;
144  base::FilePath usage_file_path = GetUsageFilePath();
145  EXPECT_FALSE(usage_cache()->GetUsage(usage_file_path, &usage));
146}
147
148TEST_F(FileSystemUsageCacheTest, IncrementDirtyWithoutCacheFileTest) {
149  base::FilePath usage_file_path = GetUsageFilePath();
150  EXPECT_FALSE(usage_cache()->IncrementDirty(usage_file_path));
151}
152
153TEST_F(FileSystemUsageCacheTest, DecrementDirtyWithoutCacheFileTest) {
154  base::FilePath usage_file_path = GetUsageFilePath();
155  EXPECT_FALSE(usage_cache()->IncrementDirty(usage_file_path));
156}
157
158}  // namespace fileapi
159