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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "mozilla/scache/StartupCache.h"
#include "mozilla/scache/StartupCacheUtils.h"
#include "nsDirectoryServiceDefs.h"
#include "nsIOutputStream.h"
#include "nsISupports.h"
#include "nsIStorageStream.h"
#include "nsIObjectInputStream.h"
#include "nsIObjectOutputStream.h"
#include "nsIURI.h"
#include "nsThreadUtils.h"
#include "prenv.h"
#include "prio.h"
#include "prprf.h"
#include "mozilla/gtest/MozAssertions.h"
#include "mozilla/Printf.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/UniquePtrExtensions.h"
#include "nsNetCID.h"
#include "nsIURIMutator.h"
using namespace JS;
using namespace mozilla::scache;
using mozilla::UniquePtr;
void WaitForStartupTimer() {
StartupCache* sc = StartupCache::GetSingleton();
PR_Sleep(3 * PR_TicksPerSecond());
while (true) {
NS_ProcessPendingEvents(nullptr);
if (sc->StartupWriteComplete()) {
return;
}
PR_Sleep(1 * PR_TicksPerSecond());
}
}
class TestStartupCache : public ::testing::Test {
protected:
TestStartupCache();
~TestStartupCache();
nsCOMPtr<nsIFile> mSCFile;
};
TestStartupCache::TestStartupCache() {
NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(mSCFile));
mSCFile->AppendNative("test-startupcache.tmp"_ns);
#ifdef XP_WIN
nsAutoString env(u"MOZ_STARTUP_CACHE="_ns);
env.Append(mSCFile->NativePath());
_wputenv(env.get());
#else
nsAutoCString path;
mSCFile->GetNativePath(path);
char* env = mozilla::Smprintf("MOZ_STARTUP_CACHE=%s", path.get()).release();
PR_SetEnv(env);
// We intentionally leak `env` here because it is required by PR_SetEnv
MOZ_LSAN_INTENTIONALLY_LEAK_OBJECT(env);
#endif
StartupCache::GetSingleton()->InvalidateCache();
}
TestStartupCache::~TestStartupCache() {
PR_SetEnv("MOZ_STARTUP_CACHE=");
StartupCache::GetSingleton()->InvalidateCache();
}
TEST_F(TestStartupCache, StartupWriteRead) {
nsresult rv;
StartupCache* sc = StartupCache::GetSingleton();
const char* buf = "Market opportunities for BeardBook";
const char* id = "id";
const char* outbuf;
uint32_t len;
rv = sc->PutBuffer(id, mozilla::UniqueFreePtr<char[]>(strdup(buf)),
strlen(buf) + 1);
EXPECT_NS_SUCCEEDED(rv);
rv = sc->GetBuffer(id, &outbuf, &len);
EXPECT_NS_SUCCEEDED(rv);
EXPECT_STREQ(buf, outbuf);
rv = sc->ResetStartupWriteTimerAndLock();
EXPECT_NS_SUCCEEDED(rv);
WaitForStartupTimer();
rv = sc->GetBuffer(id, &outbuf, &len);
EXPECT_NS_SUCCEEDED(rv);
EXPECT_STREQ(buf, outbuf);
}
TEST_F(TestStartupCache, WriteInvalidateRead) {
nsresult rv;
const char* buf = "BeardBook competitive analysis";
const char* id = "id";
const char* outbuf;
uint32_t len;
StartupCache* sc = StartupCache::GetSingleton();
ASSERT_TRUE(sc);
rv = sc->PutBuffer(id, mozilla::UniqueFreePtr<char[]>(strdup(buf)),
strlen(buf) + 1);
EXPECT_NS_SUCCEEDED(rv);
sc->InvalidateCache();
rv = sc->GetBuffer(id, &outbuf, &len);
EXPECT_EQ(rv, NS_ERROR_NOT_AVAILABLE);
}
TEST_F(TestStartupCache, WriteObject) {
nsresult rv;
nsCOMPtr<nsIURI> obj;
constexpr auto spec = "http://www.mozilla.org"_ns;
rv = NS_MutateURI(NS_SIMPLEURIMUTATOR_CONTRACTID).SetSpec(spec).Finalize(obj);
EXPECT_NS_SUCCEEDED(rv);
StartupCache* sc = StartupCache::GetSingleton();
// Create an object stream. Usually this is done with
// NewObjectOutputWrappedStorageStream, but that uses
// StartupCache::GetSingleton in debug builds, and we
// don't have access to that here. Obviously.
const char* id = "id";
nsCOMPtr<nsIStorageStream> storageStream =
do_CreateInstance("@mozilla.org/storagestream;1");
ASSERT_TRUE(storageStream);
rv = storageStream->Init(256, (uint32_t)-1);
EXPECT_NS_SUCCEEDED(rv);
nsCOMPtr<nsIObjectOutputStream> objectOutput =
do_CreateInstance("@mozilla.org/binaryoutputstream;1");
ASSERT_TRUE(objectOutput);
nsCOMPtr<nsIOutputStream> outputStream = do_QueryInterface(storageStream);
rv = objectOutput->SetOutputStream(outputStream);
EXPECT_NS_SUCCEEDED(rv);
nsCOMPtr<nsISupports> objQI(do_QueryInterface(obj));
rv = objectOutput->WriteObject(objQI, true);
EXPECT_NS_SUCCEEDED(rv);
mozilla::UniqueFreePtr<char[]> buf;
uint32_t len;
NewBufferFromStorageStream(storageStream, &buf, &len);
// Since this is a post-startup write, it should be written and
// available.
rv = sc->PutBuffer(id, std::move(buf), len);
EXPECT_NS_SUCCEEDED(rv);
const char* buf2;
uint32_t len2;
nsCOMPtr<nsIObjectInputStream> objectInput;
rv = sc->GetBuffer(id, &buf2, &len2);
EXPECT_NS_SUCCEEDED(rv);
rv = NewObjectInputStreamFromBuffer(buf2, len2, getter_AddRefs(objectInput));
EXPECT_NS_SUCCEEDED(rv);
nsCOMPtr<nsISupports> deserialized;
rv = objectInput->ReadObject(true, getter_AddRefs(deserialized));
EXPECT_NS_SUCCEEDED(rv);
nsCOMPtr<nsIURI> uri(do_QueryInterface(deserialized));
ASSERT_TRUE(uri);
nsCString outSpec;
rv = uri->GetSpec(outSpec);
EXPECT_NS_SUCCEEDED(rv);
ASSERT_TRUE(outSpec.Equals(spec));
}
|
