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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
#include "gtest/gtest.h"
#include "mozilla/SpinEventLoopUntil.h"
#include "nsBufferedStreams.h"
#include "nsIThread.h"
#include "nsNetUtil.h"
#include "nsStreamUtils.h"
#include "nsThreadUtils.h"
#include "Helpers.h"
// Helper function for creating a testing::AsyncStringStream
already_AddRefed<nsBufferedInputStream> CreateStream(uint32_t aSize,
nsCString& aBuffer) {
aBuffer.SetLength(aSize);
for (uint32_t i = 0; i < aSize; ++i) {
aBuffer.BeginWriting()[i] = i % 10;
}
nsCOMPtr<nsIInputStream> stream = new testing::AsyncStringStream(aBuffer);
RefPtr<nsBufferedInputStream> bis = new nsBufferedInputStream();
bis->Init(stream, aSize);
return bis.forget();
}
// Simple reading.
TEST(TestBufferedInputStream, SimpleRead)
{
const size_t kBufSize = 10;
nsCString buf;
RefPtr<nsBufferedInputStream> bis = CreateStream(kBufSize, buf);
uint64_t length;
ASSERT_EQ(NS_OK, bis->Available(&length));
ASSERT_EQ((uint64_t)kBufSize, length);
char buf2[kBufSize];
uint32_t count;
ASSERT_EQ(NS_OK, bis->Read(buf2, sizeof(buf2), &count));
ASSERT_EQ(count, buf.Length());
ASSERT_TRUE(nsCString(buf.get(), kBufSize).Equals(nsCString(buf2, count)));
}
// Simple segment reading.
TEST(TestBufferedInputStream, SimpleReadSegments)
{
const size_t kBufSize = 10;
nsCString buf;
RefPtr<nsBufferedInputStream> bis = CreateStream(kBufSize, buf);
char buf2[kBufSize];
uint32_t count;
ASSERT_EQ(NS_OK, bis->ReadSegments(NS_CopySegmentToBuffer, buf2, sizeof(buf2),
&count));
ASSERT_EQ(count, buf.Length());
ASSERT_TRUE(nsCString(buf.get(), kBufSize).Equals(nsCString(buf2, count)));
}
// AsyncWait - sync
TEST(TestBufferedInputStream, AsyncWait_sync)
{
const size_t kBufSize = 10;
nsCString buf;
RefPtr<nsBufferedInputStream> bis = CreateStream(kBufSize, buf);
RefPtr<testing::InputStreamCallback> cb = new testing::InputStreamCallback();
ASSERT_EQ(NS_OK, bis->AsyncWait(cb, 0, 0, nullptr));
// Immediatelly called
ASSERT_TRUE(cb->Called());
}
// AsyncWait - async
TEST(TestBufferedInputStream, AsyncWait_async)
{
const size_t kBufSize = 10;
nsCString buf;
RefPtr<nsBufferedInputStream> bis = CreateStream(kBufSize, buf);
RefPtr<testing::InputStreamCallback> cb = new testing::InputStreamCallback();
nsCOMPtr<nsIThread> thread = do_GetCurrentThread();
ASSERT_EQ(NS_OK, bis->AsyncWait(cb, 0, 0, thread));
ASSERT_FALSE(cb->Called());
// Eventually it is called.
MOZ_ALWAYS_TRUE(mozilla::SpinEventLoopUntil(
"TEST(TestBufferedInputStream, AsyncWait_async)"_ns,
[&]() { return cb->Called(); }));
ASSERT_TRUE(cb->Called());
}
// AsyncWait - sync - closureOnly
TEST(TestBufferedInputStream, AsyncWait_sync_closureOnly)
{
const size_t kBufSize = 10;
nsCString buf;
RefPtr<nsBufferedInputStream> bis = CreateStream(kBufSize, buf);
RefPtr<testing::InputStreamCallback> cb = new testing::InputStreamCallback();
ASSERT_EQ(NS_OK, bis->AsyncWait(cb, nsIAsyncInputStream::WAIT_CLOSURE_ONLY, 0,
nullptr));
ASSERT_FALSE(cb->Called());
bis->CloseWithStatus(NS_ERROR_FAILURE);
// Immediatelly called
ASSERT_TRUE(cb->Called());
}
// AsyncWait - async
TEST(TestBufferedInputStream, AsyncWait_async_closureOnly)
{
const size_t kBufSize = 10;
nsCString buf;
RefPtr<nsBufferedInputStream> bis = CreateStream(kBufSize, buf);
RefPtr<testing::InputStreamCallback> cb = new testing::InputStreamCallback();
nsCOMPtr<nsIThread> thread = do_GetCurrentThread();
ASSERT_EQ(NS_OK, bis->AsyncWait(cb, nsIAsyncInputStream::WAIT_CLOSURE_ONLY, 0,
thread));
ASSERT_FALSE(cb->Called());
bis->CloseWithStatus(NS_ERROR_FAILURE);
ASSERT_FALSE(cb->Called());
// Eventually it is called.
MOZ_ALWAYS_TRUE(mozilla::SpinEventLoopUntil(
"TEST(TestBufferedInputStream, AsyncWait_async_closureOnly)"_ns,
[&]() { return cb->Called(); }));
ASSERT_TRUE(cb->Called());
}
TEST(TestBufferedInputStream, AsyncWait_after_close)
{
const size_t kBufSize = 10;
nsCString buf;
RefPtr<nsBufferedInputStream> bis = CreateStream(kBufSize, buf);
nsCOMPtr<nsIThread> eventTarget = do_GetCurrentThread();
auto cb = mozilla::MakeRefPtr<testing::InputStreamCallback>();
ASSERT_EQ(NS_OK, bis->AsyncWait(cb, 0, 0, eventTarget));
MOZ_ALWAYS_TRUE(mozilla::SpinEventLoopUntil(
"TEST(TestBufferedInputStream, AsyncWait_after_close) 1"_ns,
[&]() { return cb->Called(); }));
ASSERT_TRUE(cb->Called());
ASSERT_EQ(NS_OK, bis->Close());
cb = mozilla::MakeRefPtr<testing::InputStreamCallback>();
ASSERT_EQ(NS_OK, bis->AsyncWait(cb, 0, 0, eventTarget));
MOZ_ALWAYS_TRUE(mozilla::SpinEventLoopUntil(
"TEST(TestBufferedInputStream, AsyncWait_after_close) 2"_ns,
[&]() { return cb->Called(); }));
ASSERT_TRUE(cb->Called());
}
TEST(TestBufferedInputStream, AsyncLengthWait_after_close)
{
nsCString buf{"The Quick Brown Fox Jumps over the Lazy Dog"};
const size_t kBufSize = 44;
RefPtr<nsBufferedInputStream> bis = CreateStream(kBufSize, buf);
nsCOMPtr<nsIThread> eventTarget = do_GetCurrentThread();
auto cb = mozilla::MakeRefPtr<testing::LengthCallback>();
ASSERT_EQ(NS_OK, bis->AsyncLengthWait(cb, eventTarget));
MOZ_ALWAYS_TRUE(mozilla::SpinEventLoopUntil(
"TEST(TestBufferedInputStream, AsyncLengthWait_after_close) 1"_ns,
[&]() { return cb->Called(); }));
ASSERT_TRUE(cb->Called());
uint64_t length;
ASSERT_EQ(NS_OK, bis->Available(&length));
ASSERT_EQ((uint64_t)kBufSize, length);
cb = mozilla::MakeRefPtr<testing::LengthCallback>();
ASSERT_EQ(NS_OK, bis->AsyncLengthWait(cb, eventTarget));
MOZ_ALWAYS_TRUE(mozilla::SpinEventLoopUntil(
"TEST(TestBufferedInputStream, AsyncLengthWait_after_close) 2"_ns,
[&]() { return cb->Called(); }));
ASSERT_TRUE(cb->Called());
}
// This stream returns a few bytes on the first read, and error on the second.
class BrokenInputStream : public nsIInputStream {
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIINPUTSTREAM
private:
virtual ~BrokenInputStream() = default;
bool mFirst = true;
};
NS_IMPL_ISUPPORTS(BrokenInputStream, nsIInputStream)
NS_IMETHODIMP BrokenInputStream::Close(void) { return NS_OK; }
NS_IMETHODIMP BrokenInputStream::Available(uint64_t* _retval) {
*_retval = 100;
return NS_OK;
}
NS_IMETHODIMP BrokenInputStream::StreamStatus(void) { return NS_OK; }
NS_IMETHODIMP BrokenInputStream::Read(char* aBuf, uint32_t aCount,
uint32_t* _retval) {
if (mFirst) {
aBuf[0] = 'h';
aBuf[1] = 'e';
aBuf[2] = 'l';
aBuf[3] = 0;
*_retval = 4;
mFirst = false;
return NS_OK;
}
return NS_ERROR_CORRUPTED_CONTENT;
}
NS_IMETHODIMP BrokenInputStream::ReadSegments(nsWriteSegmentFun aWriter,
void* aClosure, uint32_t aCount,
uint32_t* _retval) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP BrokenInputStream::IsNonBlocking(bool* _retval) {
*_retval = false;
return NS_OK;
}
// Check that the error from BrokenInputStream::Read is propagated
// through NS_ReadInputStreamToString
TEST(TestBufferedInputStream, BrokenInputStreamToBuffer)
{
nsAutoCString out;
RefPtr<BrokenInputStream> stream = new BrokenInputStream();
nsresult rv = NS_ReadInputStreamToString(stream, out, -1);
ASSERT_EQ(rv, NS_ERROR_CORRUPTED_CONTENT);
}
|
