1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/disk_cache/disk_cache_test_util.h"
#include "base/logging.h"
#include "base/file_util.h"
#include "base/path_service.h"
#include "net/base/net_errors.h"
#include "net/disk_cache/backend_impl.h"
#include "net/disk_cache/cache_util.h"
#include "net/disk_cache/file.h"
using base::Time;
using base::TimeDelta;
namespace {
std::wstring BuildCachePath(const std::wstring& name) {
FilePath path;
PathService::Get(base::DIR_TEMP, &path); // Ignore return value;
path = path.Append(FilePath::FromWStringHack(name));
if (!file_util::PathExists(path))
file_util::CreateDirectory(path);
return path.ToWStringHack();
}
} // namespace.
std::string GenerateKey(bool same_length) {
char key[200];
CacheTestFillBuffer(key, sizeof(key), same_length);
key[199] = '\0';
return std::string(key);
}
void CacheTestFillBuffer(char* buffer, size_t len, bool no_nulls) {
static bool called = false;
if (!called) {
called = true;
int seed = static_cast<int>(Time::Now().ToInternalValue());
srand(seed);
}
for (size_t i = 0; i < len; i++) {
buffer[i] = static_cast<char>(rand());
if (!buffer[i] && no_nulls)
buffer[i] = 'g';
}
if (len && !buffer[0])
buffer[0] = 'g';
}
std::wstring GetCachePath() {
return BuildCachePath(L"cache_test");
}
bool CreateCacheTestFile(const wchar_t* name) {
int flags = base::PLATFORM_FILE_CREATE_ALWAYS |
base::PLATFORM_FILE_READ |
base::PLATFORM_FILE_WRITE;
scoped_refptr<disk_cache::File> file(new disk_cache::File(
base::CreatePlatformFile(name, flags, NULL)));
if (!file->IsValid())
return false;
file->SetLength(4 * 1024 * 1024);
return true;
}
bool DeleteCache(const wchar_t* path) {
disk_cache::DeleteCache(path, false);
return true;
}
bool CheckCacheIntegrity(const std::wstring& path, bool new_eviction) {
scoped_ptr<disk_cache::BackendImpl> cache(new disk_cache::BackendImpl(
FilePath::FromWStringHack(path)));
if (!cache.get())
return false;
if (new_eviction)
cache->SetNewEviction();
cache->SetFlags(disk_cache::kNoRandom);
if (!cache->Init())
return false;
return cache->SelfCheck() >= 0;
}
ScopedTestCache::ScopedTestCache() : path_(GetCachePath()) {
bool result = DeleteCache(path_.c_str());
DCHECK(result);
}
ScopedTestCache::ScopedTestCache(const std::wstring& name)
: path_(BuildCachePath(name)) {
bool result = DeleteCache(path_.c_str());
DCHECK(result);
}
ScopedTestCache::~ScopedTestCache() {
file_util::Delete(path(), true);
}
// -----------------------------------------------------------------------
volatile int g_cache_tests_received = 0;
volatile bool g_cache_tests_error = 0;
// On the actual callback, increase the number of tests received and check for
// errors (an unexpected test received)
void CallbackTest::RunWithParams(const Tuple1<int>& params) {
if (reuse_) {
DCHECK(1 == reuse_);
if (2 == reuse_)
g_cache_tests_error = true;
reuse_++;
}
result_ = params.a;
g_cache_tests_received++;
}
// -----------------------------------------------------------------------
int SimpleCallbackTest::GetResult(int result) {
if (net::ERR_IO_PENDING != result)
return result;
return WaitForResult();
}
// -----------------------------------------------------------------------
MessageLoopHelper::MessageLoopHelper()
: num_callbacks_(0),
num_iterations_(0),
last_(0),
completed_(false) {
// Create a recurrent timer of 50 mS.
timer_.Start(
TimeDelta::FromMilliseconds(50), this, &MessageLoopHelper::TimerExpired);
}
bool MessageLoopHelper::WaitUntilCacheIoFinished(int num_callbacks) {
if (num_callbacks == g_cache_tests_received)
return true;
ExpectCallbacks(num_callbacks);
MessageLoop::current()->Run();
return completed_;
}
// Quits the message loop when all callbacks are called or we've been waiting
// too long for them (2 secs without a callback).
void MessageLoopHelper::TimerExpired() {
if (g_cache_tests_received > num_callbacks_) {
NOTREACHED();
} else if (g_cache_tests_received == num_callbacks_) {
completed_ = true;
MessageLoop::current()->Quit();
} else {
// Not finished yet. See if we have to abort.
if (last_ == g_cache_tests_received)
num_iterations_++;
else
last_ = g_cache_tests_received;
if (40 == num_iterations_)
MessageLoop::current()->Quit();
}
}
|
