1// Copyright 2014 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 "storage/browser/fileapi/file_system_usage_cache.h"
6
7#include "base/basictypes.h"
8#include "base/files/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
13using storage::FileSystemUsageCache;
14
15namespace content {
16
17class FileSystemUsageCacheTest : public testing::Test {
18 public:
19  FileSystemUsageCacheTest()
20      : usage_cache_(base::MessageLoopProxy::current().get()) {}
21
22  virtual void SetUp() {
23    ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
24  }
25
26 protected:
27  base::FilePath GetUsageFilePath() {
28    return data_dir_.path().Append(FileSystemUsageCache::kUsageFileName);
29  }
30
31  FileSystemUsageCache* usage_cache() {
32    return &usage_cache_;
33  }
34
35 private:
36  base::MessageLoop message_loop_;
37  base::ScopedTempDir data_dir_;
38  FileSystemUsageCache usage_cache_;
39
40  DISALLOW_COPY_AND_ASSIGN(FileSystemUsageCacheTest);
41};
42
43TEST_F(FileSystemUsageCacheTest, CreateTest) {
44  base::FilePath usage_file_path = GetUsageFilePath();
45  EXPECT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 0));
46}
47
48TEST_F(FileSystemUsageCacheTest, SetSizeTest) {
49  static const int64 size = 240122;
50  base::FilePath usage_file_path = GetUsageFilePath();
51  int64 usage = 0;
52  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
53  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
54  EXPECT_EQ(size, usage);
55}
56
57TEST_F(FileSystemUsageCacheTest, SetLargeSizeTest) {
58  static const int64 size = kint64max;
59  base::FilePath usage_file_path = GetUsageFilePath();
60  int64 usage = 0;
61  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
62  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
63  EXPECT_EQ(size, usage);
64}
65
66TEST_F(FileSystemUsageCacheTest, IncAndGetSizeTest) {
67  base::FilePath usage_file_path = GetUsageFilePath();
68  uint32 dirty = 0;
69  int64 usage = 0;
70  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 98214));
71  ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
72  EXPECT_TRUE(usage_cache()->GetDirty(usage_file_path, &dirty));
73  EXPECT_EQ(1u, dirty);
74  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
75  EXPECT_EQ(98214, usage);
76}
77
78TEST_F(FileSystemUsageCacheTest, DecAndGetSizeTest) {
79  static const int64 size = 71839;
80  base::FilePath usage_file_path = GetUsageFilePath();
81  int64 usage = 0;
82  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
83  // DecrementDirty for dirty = 0 is invalid. It returns false.
84  ASSERT_FALSE(usage_cache()->DecrementDirty(usage_file_path));
85  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
86  EXPECT_EQ(size, usage);
87}
88
89TEST_F(FileSystemUsageCacheTest, IncDecAndGetSizeTest) {
90  static const int64 size = 198491;
91  base::FilePath usage_file_path = GetUsageFilePath();
92  int64 usage = 0;
93  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
94  ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
95  ASSERT_TRUE(usage_cache()->DecrementDirty(usage_file_path));
96  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
97  EXPECT_EQ(size, usage);
98}
99
100TEST_F(FileSystemUsageCacheTest, DecIncAndGetSizeTest) {
101  base::FilePath usage_file_path = GetUsageFilePath();
102  uint32 dirty = 0;
103  int64 usage = 0;
104  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 854238));
105  // DecrementDirty for dirty = 0 is invalid. It returns false.
106  ASSERT_FALSE(usage_cache()->DecrementDirty(usage_file_path));
107  ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
108  // It tests DecrementDirty (which returns false) has no effect, i.e
109  // does not make dirty = -1 after DecrementDirty.
110  EXPECT_TRUE(usage_cache()->GetDirty(usage_file_path, &dirty));
111  EXPECT_EQ(1u, dirty);
112  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
113  EXPECT_EQ(854238, usage);
114}
115
116TEST_F(FileSystemUsageCacheTest, ManyIncsSameDecsAndGetSizeTest) {
117  static const int64 size = 82412;
118  base::FilePath usage_file_path = GetUsageFilePath();
119  int64 usage = 0;
120  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
121  for (int i = 0; i < 20; i++)
122    ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
123  for (int i = 0; i < 20; i++)
124    ASSERT_TRUE(usage_cache()->DecrementDirty(usage_file_path));
125  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
126  EXPECT_EQ(size, usage);
127}
128
129TEST_F(FileSystemUsageCacheTest, ManyIncsLessDecsAndGetSizeTest) {
130  uint32 dirty = 0;
131  int64 usage = 0;
132  base::FilePath usage_file_path = GetUsageFilePath();
133  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 19319));
134  for (int i = 0; i < 20; i++)
135    ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
136  for (int i = 0; i < 19; i++)
137    ASSERT_TRUE(usage_cache()->DecrementDirty(usage_file_path));
138  EXPECT_TRUE(usage_cache()->GetDirty(usage_file_path, &dirty));
139  EXPECT_EQ(1u, dirty);
140  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
141  EXPECT_EQ(19319, usage);
142}
143
144TEST_F(FileSystemUsageCacheTest, GetSizeWithoutCacheFileTest) {
145  int64 usage = 0;
146  base::FilePath usage_file_path = GetUsageFilePath();
147  EXPECT_FALSE(usage_cache()->GetUsage(usage_file_path, &usage));
148}
149
150TEST_F(FileSystemUsageCacheTest, IncrementDirtyWithoutCacheFileTest) {
151  base::FilePath usage_file_path = GetUsageFilePath();
152  EXPECT_FALSE(usage_cache()->IncrementDirty(usage_file_path));
153}
154
155TEST_F(FileSystemUsageCacheTest, DecrementDirtyWithoutCacheFileTest) {
156  base::FilePath usage_file_path = GetUsageFilePath();
157  EXPECT_FALSE(usage_cache()->IncrementDirty(usage_file_path));
158}
159
160}  // namespace content
161