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
253
254
255
256
257
258
259
|
// Copyright (c) 2012 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/spdy/spdy_protocol.h"
#include <iostream>
#include <limits>
#include <memory>
#include "net/spdy/spdy_bitmasks.h"
#include "net/spdy/spdy_framer.h"
#include "net/spdy/spdy_test_utils.h"
#include "net/test/gtest_util.h"
#include "testing/gtest/include/gtest/gtest.h"
using std::string;
namespace net {
std::ostream& operator<<(std::ostream& os,
const SpdyStreamPrecedence precedence) {
if (precedence.is_spdy3_priority()) {
os << "SpdyStreamPrecedence[spdy3_priority=" << precedence.spdy3_priority()
<< "]";
} else {
os << "SpdyStreamPrecedence[parent_id=" << precedence.parent_id()
<< ", weight=" << precedence.weight()
<< ", is_exclusive=" << precedence.is_exclusive() << "]";
}
return os;
}
namespace test {
TEST(SpdyProtocolTest, ClampSpdy3Priority) {
EXPECT_SPDY_BUG(EXPECT_EQ(7, ClampSpdy3Priority(8)), "Invalid priority: 8");
EXPECT_EQ(kV3LowestPriority, ClampSpdy3Priority(kV3LowestPriority));
EXPECT_EQ(kV3HighestPriority, ClampSpdy3Priority(kV3HighestPriority));
}
TEST(SpdyProtocolTest, ClampHttp2Weight) {
EXPECT_SPDY_BUG(EXPECT_EQ(kHttp2MinStreamWeight, ClampHttp2Weight(0)),
"Invalid weight: 0");
EXPECT_SPDY_BUG(EXPECT_EQ(kHttp2MaxStreamWeight, ClampHttp2Weight(300)),
"Invalid weight: 300");
EXPECT_EQ(kHttp2MinStreamWeight, ClampHttp2Weight(kHttp2MinStreamWeight));
EXPECT_EQ(kHttp2MaxStreamWeight, ClampHttp2Weight(kHttp2MaxStreamWeight));
}
TEST(SpdyProtocolTest, Spdy3PriorityToHttp2Weight) {
EXPECT_EQ(256, Spdy3PriorityToHttp2Weight(0));
EXPECT_EQ(220, Spdy3PriorityToHttp2Weight(1));
EXPECT_EQ(183, Spdy3PriorityToHttp2Weight(2));
EXPECT_EQ(147, Spdy3PriorityToHttp2Weight(3));
EXPECT_EQ(110, Spdy3PriorityToHttp2Weight(4));
EXPECT_EQ(74, Spdy3PriorityToHttp2Weight(5));
EXPECT_EQ(37, Spdy3PriorityToHttp2Weight(6));
EXPECT_EQ(1, Spdy3PriorityToHttp2Weight(7));
}
TEST(SpdyProtocolTest, Http2WeightToSpdy3Priority) {
EXPECT_EQ(0u, Http2WeightToSpdy3Priority(256));
EXPECT_EQ(0u, Http2WeightToSpdy3Priority(221));
EXPECT_EQ(1u, Http2WeightToSpdy3Priority(220));
EXPECT_EQ(1u, Http2WeightToSpdy3Priority(184));
EXPECT_EQ(2u, Http2WeightToSpdy3Priority(183));
EXPECT_EQ(2u, Http2WeightToSpdy3Priority(148));
EXPECT_EQ(3u, Http2WeightToSpdy3Priority(147));
EXPECT_EQ(3u, Http2WeightToSpdy3Priority(111));
EXPECT_EQ(4u, Http2WeightToSpdy3Priority(110));
EXPECT_EQ(4u, Http2WeightToSpdy3Priority(75));
EXPECT_EQ(5u, Http2WeightToSpdy3Priority(74));
EXPECT_EQ(5u, Http2WeightToSpdy3Priority(38));
EXPECT_EQ(6u, Http2WeightToSpdy3Priority(37));
EXPECT_EQ(6u, Http2WeightToSpdy3Priority(2));
EXPECT_EQ(7u, Http2WeightToSpdy3Priority(1));
}
TEST(SpdyProtocolTest, IsValidHTTP2FrameStreamId) {
// Stream-specific frames must have non-zero stream ids
EXPECT_TRUE(IsValidHTTP2FrameStreamId(1, DATA));
EXPECT_FALSE(IsValidHTTP2FrameStreamId(0, DATA));
EXPECT_TRUE(IsValidHTTP2FrameStreamId(1, HEADERS));
EXPECT_FALSE(IsValidHTTP2FrameStreamId(0, HEADERS));
EXPECT_TRUE(IsValidHTTP2FrameStreamId(1, PRIORITY));
EXPECT_FALSE(IsValidHTTP2FrameStreamId(0, PRIORITY));
EXPECT_TRUE(IsValidHTTP2FrameStreamId(1, RST_STREAM));
EXPECT_FALSE(IsValidHTTP2FrameStreamId(0, RST_STREAM));
EXPECT_TRUE(IsValidHTTP2FrameStreamId(1, CONTINUATION));
EXPECT_FALSE(IsValidHTTP2FrameStreamId(0, CONTINUATION));
EXPECT_TRUE(IsValidHTTP2FrameStreamId(1, PUSH_PROMISE));
EXPECT_FALSE(IsValidHTTP2FrameStreamId(0, PUSH_PROMISE));
// Connection-level frames must have zero stream ids
EXPECT_FALSE(IsValidHTTP2FrameStreamId(1, GOAWAY));
EXPECT_TRUE(IsValidHTTP2FrameStreamId(0, GOAWAY));
EXPECT_FALSE(IsValidHTTP2FrameStreamId(1, SETTINGS));
EXPECT_TRUE(IsValidHTTP2FrameStreamId(0, SETTINGS));
EXPECT_FALSE(IsValidHTTP2FrameStreamId(1, PING));
EXPECT_TRUE(IsValidHTTP2FrameStreamId(0, PING));
// Frames that are neither stream-specific nor connection-level
// should not have their stream id declared invalid
EXPECT_TRUE(IsValidHTTP2FrameStreamId(1, WINDOW_UPDATE));
EXPECT_TRUE(IsValidHTTP2FrameStreamId(0, WINDOW_UPDATE));
}
TEST(SpdyProtocolTest, ParseSettingsId) {
SpdySettingsIds setting_id;
EXPECT_FALSE(ParseSettingsId(0, &setting_id));
EXPECT_TRUE(ParseSettingsId(1, &setting_id));
EXPECT_EQ(SETTINGS_HEADER_TABLE_SIZE, setting_id);
EXPECT_TRUE(ParseSettingsId(2, &setting_id));
EXPECT_EQ(SETTINGS_ENABLE_PUSH, setting_id);
EXPECT_TRUE(ParseSettingsId(3, &setting_id));
EXPECT_EQ(SETTINGS_MAX_CONCURRENT_STREAMS, setting_id);
EXPECT_TRUE(ParseSettingsId(4, &setting_id));
EXPECT_EQ(SETTINGS_INITIAL_WINDOW_SIZE, setting_id);
EXPECT_TRUE(ParseSettingsId(5, &setting_id));
EXPECT_EQ(SETTINGS_MAX_FRAME_SIZE, setting_id);
EXPECT_TRUE(ParseSettingsId(6, &setting_id));
EXPECT_EQ(SETTINGS_MAX_HEADER_LIST_SIZE, setting_id);
EXPECT_FALSE(ParseSettingsId(7, &setting_id));
}
TEST(SpdyProtocolTest, SettingsIdToString) {
struct {
SpdySettingsIds setting_id;
bool expected_bool;
const string expected_string;
} test_cases[] = {
{static_cast<SpdySettingsIds>(0), false, "SETTINGS_UNKNOWN"},
{SETTINGS_HEADER_TABLE_SIZE, true, "SETTINGS_HEADER_TABLE_SIZE"},
{SETTINGS_ENABLE_PUSH, true, "SETTINGS_ENABLE_PUSH"},
{SETTINGS_MAX_CONCURRENT_STREAMS, true,
"SETTINGS_MAX_CONCURRENT_STREAMS"},
{SETTINGS_INITIAL_WINDOW_SIZE, true, "SETTINGS_INITIAL_WINDOW_SIZE"},
{SETTINGS_MAX_FRAME_SIZE, true, "SETTINGS_MAX_FRAME_SIZE"},
{SETTINGS_MAX_HEADER_LIST_SIZE, true, "SETTINGS_MAX_HEADER_LIST_SIZE"},
{static_cast<SpdySettingsIds>(7), false, "SETTINGS_UNKNOWN"}};
for (auto test_case : test_cases) {
const char* settings_id_string;
EXPECT_EQ(test_case.expected_bool,
SettingsIdToString(test_case.setting_id, &settings_id_string));
EXPECT_EQ(test_case.expected_string, settings_id_string);
}
}
TEST(SpdyStreamPrecedenceTest, Basic) {
SpdyStreamPrecedence spdy3_prec(2);
EXPECT_TRUE(spdy3_prec.is_spdy3_priority());
EXPECT_EQ(2, spdy3_prec.spdy3_priority());
EXPECT_EQ(kHttp2RootStreamId, spdy3_prec.parent_id());
EXPECT_EQ(Spdy3PriorityToHttp2Weight(2), spdy3_prec.weight());
EXPECT_FALSE(spdy3_prec.is_exclusive());
for (bool is_exclusive : {true, false}) {
SpdyStreamPrecedence h2_prec(7, 123, is_exclusive);
EXPECT_FALSE(h2_prec.is_spdy3_priority());
EXPECT_EQ(Http2WeightToSpdy3Priority(123), h2_prec.spdy3_priority());
EXPECT_EQ(7u, h2_prec.parent_id());
EXPECT_EQ(123, h2_prec.weight());
EXPECT_EQ(is_exclusive, h2_prec.is_exclusive());
}
}
TEST(SpdyStreamPrecedenceTest, Clamping) {
EXPECT_SPDY_BUG(EXPECT_EQ(7, SpdyStreamPrecedence(8).spdy3_priority()),
"Invalid priority: 8");
EXPECT_SPDY_BUG(EXPECT_EQ(kHttp2MinStreamWeight,
SpdyStreamPrecedence(3, 0, false).weight()),
"Invalid weight: 0");
EXPECT_SPDY_BUG(EXPECT_EQ(kHttp2MaxStreamWeight,
SpdyStreamPrecedence(3, 300, false).weight()),
"Invalid weight: 300");
}
TEST(SpdyStreamPrecedenceTest, Copying) {
SpdyStreamPrecedence prec1(3);
SpdyStreamPrecedence copy1(prec1);
EXPECT_TRUE(copy1.is_spdy3_priority());
EXPECT_EQ(3, copy1.spdy3_priority());
SpdyStreamPrecedence prec2(4, 5, true);
SpdyStreamPrecedence copy2(prec2);
EXPECT_FALSE(copy2.is_spdy3_priority());
EXPECT_EQ(4u, copy2.parent_id());
EXPECT_EQ(5, copy2.weight());
EXPECT_TRUE(copy2.is_exclusive());
copy1 = prec2;
EXPECT_FALSE(copy1.is_spdy3_priority());
EXPECT_EQ(4u, copy1.parent_id());
EXPECT_EQ(5, copy1.weight());
EXPECT_TRUE(copy1.is_exclusive());
copy2 = prec1;
EXPECT_TRUE(copy2.is_spdy3_priority());
EXPECT_EQ(3, copy2.spdy3_priority());
}
TEST(SpdyStreamPrecedenceTest, Equals) {
EXPECT_EQ(SpdyStreamPrecedence(3), SpdyStreamPrecedence(3));
EXPECT_NE(SpdyStreamPrecedence(3), SpdyStreamPrecedence(4));
EXPECT_EQ(SpdyStreamPrecedence(1, 2, false),
SpdyStreamPrecedence(1, 2, false));
EXPECT_NE(SpdyStreamPrecedence(1, 2, false),
SpdyStreamPrecedence(2, 2, false));
EXPECT_NE(SpdyStreamPrecedence(1, 2, false),
SpdyStreamPrecedence(1, 3, false));
EXPECT_NE(SpdyStreamPrecedence(1, 2, false),
SpdyStreamPrecedence(1, 2, true));
SpdyStreamPrecedence spdy3_prec(3);
SpdyStreamPrecedence h2_prec(spdy3_prec.parent_id(), spdy3_prec.weight(),
spdy3_prec.is_exclusive());
EXPECT_NE(spdy3_prec, h2_prec);
}
TEST(SpdyDataIRTest, Construct) {
// Confirm that it makes a string of zero length from a StringPiece(nullptr).
base::StringPiece s1;
SpdyDataIR d1(1, s1);
EXPECT_EQ(d1.data_len(), 0ul);
EXPECT_NE(d1.data(), nullptr);
// Confirms makes a copy of char array.
const char s2[] = "something";
SpdyDataIR d2(2, s2);
EXPECT_EQ(base::StringPiece(d2.data(), d2.data_len()), s2);
EXPECT_NE(base::StringPiece(d1.data(), d1.data_len()), s2);
// Confirm copies a const string.
const string foo = "foo";
SpdyDataIR d3(3, foo);
EXPECT_EQ(foo, d3.data());
// Confirm copies a non-const string.
string bar = "bar";
SpdyDataIR d4(4, bar);
EXPECT_EQ("bar", bar);
EXPECT_EQ("bar", base::StringPiece(d4.data(), d4.data_len()));
// Confirm moves an rvalue reference. Note that the test string "baz" is too
// short to trigger the move optimization, and instead a copy occurs.
string baz = "the quick brown fox";
SpdyDataIR d5(5, std::move(baz));
EXPECT_EQ("", baz);
EXPECT_EQ(base::StringPiece(d5.data(), d5.data_len()), "the quick brown fox");
// Confirms makes a copy of string literal.
SpdyDataIR d7(7, "something else");
EXPECT_EQ(base::StringPiece(d7.data(), d7.data_len()), "something else");
}
} // namespace test
} // namespace net
|
