1// Copyright (c) 2012 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 <algorithm>
6#include <iostream>
7
8#include "base/memory/scoped_ptr.h"
9#include "base/sys_byteorder.h"
10#include "net/spdy/spdy_frame_reader.h"
11#include "testing/platform_test.h"
12
13namespace net {
14
15TEST(SpdyFrameReaderTest, ReadUInt16) {
16  // Frame data in network byte order.
17  const uint16 kFrameData[] = {
18    htons(1), htons(1<<15),
19  };
20
21  SpdyFrameReader frame_reader(reinterpret_cast<const char *>(kFrameData),
22                               arraysize(kFrameData) * sizeof(uint16));
23  EXPECT_FALSE(frame_reader.IsDoneReading());
24
25  uint16 uint16_val;
26  EXPECT_TRUE(frame_reader.ReadUInt16(&uint16_val));
27  EXPECT_FALSE(frame_reader.IsDoneReading());
28  EXPECT_EQ(1, uint16_val);
29
30  EXPECT_TRUE(frame_reader.ReadUInt16(&uint16_val));
31  EXPECT_TRUE(frame_reader.IsDoneReading());
32  EXPECT_EQ(1<<15, uint16_val);
33}
34
35TEST(SpdyFrameReaderTest, ReadUInt32) {
36  // Frame data in network byte order.
37  const uint32 kFrameData[] = {
38    htonl(1), htonl(0x80000000),
39  };
40
41  SpdyFrameReader frame_reader(reinterpret_cast<const char *>(kFrameData),
42                               arraysize(kFrameData) * sizeof(uint32));
43  EXPECT_FALSE(frame_reader.IsDoneReading());
44
45  uint32 uint32_val;
46  EXPECT_TRUE(frame_reader.ReadUInt32(&uint32_val));
47  EXPECT_FALSE(frame_reader.IsDoneReading());
48  EXPECT_EQ(1u, uint32_val);
49
50  EXPECT_TRUE(frame_reader.ReadUInt32(&uint32_val));
51  EXPECT_TRUE(frame_reader.IsDoneReading());
52  EXPECT_EQ(1u<<31, uint32_val);
53}
54
55TEST(SpdyFrameReaderTest, ReadStringPiece16) {
56  // Frame data in network byte order.
57  const char kFrameData[] = {
58    0x00, 0x02,  // uint16(2)
59    0x48, 0x69,  // "Hi"
60    0x00, 0x10,  // uint16(16)
61    0x54, 0x65, 0x73, 0x74,
62    0x69, 0x6e, 0x67, 0x2c,
63    0x20, 0x31, 0x2c, 0x20,
64    0x32, 0x2c, 0x20, 0x33,  // "Testing, 1, 2, 3"
65  };
66
67  SpdyFrameReader frame_reader(kFrameData, arraysize(kFrameData));
68  EXPECT_FALSE(frame_reader.IsDoneReading());
69
70  base::StringPiece stringpiece_val;
71  EXPECT_TRUE(frame_reader.ReadStringPiece16(&stringpiece_val));
72  EXPECT_FALSE(frame_reader.IsDoneReading());
73  EXPECT_EQ(0, stringpiece_val.compare("Hi"));
74
75  EXPECT_TRUE(frame_reader.ReadStringPiece16(&stringpiece_val));
76  EXPECT_TRUE(frame_reader.IsDoneReading());
77  EXPECT_EQ(0, stringpiece_val.compare("Testing, 1, 2, 3"));
78}
79
80TEST(SpdyFrameReaderTest, ReadStringPiece32) {
81  // Frame data in network byte order.
82  const char kFrameData[] = {
83    0x00, 0x00, 0x00, 0x03,  // uint32(3)
84    0x66, 0x6f, 0x6f,  // "foo"
85    0x00, 0x00, 0x00, 0x10,  // uint32(16)
86    0x54, 0x65, 0x73, 0x74,
87    0x69, 0x6e, 0x67, 0x2c,
88    0x20, 0x34, 0x2c, 0x20,
89    0x35, 0x2c, 0x20, 0x36,  // "Testing, 4, 5, 6"
90  };
91
92  SpdyFrameReader frame_reader(kFrameData, arraysize(kFrameData));
93  EXPECT_FALSE(frame_reader.IsDoneReading());
94
95  base::StringPiece stringpiece_val;
96  EXPECT_TRUE(frame_reader.ReadStringPiece32(&stringpiece_val));
97  EXPECT_FALSE(frame_reader.IsDoneReading());
98  EXPECT_EQ(0, stringpiece_val.compare("foo"));
99
100  EXPECT_TRUE(frame_reader.ReadStringPiece32(&stringpiece_val));
101  EXPECT_TRUE(frame_reader.IsDoneReading());
102  EXPECT_EQ(0, stringpiece_val.compare("Testing, 4, 5, 6"));
103}
104
105TEST(SpdyFrameReaderTest, ReadUInt16WithBufferTooSmall) {
106  // Frame data in network byte order.
107  const char kFrameData[] = {
108    0x00,  // part of a uint16
109  };
110
111  SpdyFrameReader frame_reader(kFrameData, arraysize(kFrameData));
112  EXPECT_FALSE(frame_reader.IsDoneReading());
113
114  uint16 uint16_val;
115  EXPECT_FALSE(frame_reader.ReadUInt16(&uint16_val));
116}
117
118TEST(SpdyFrameReaderTest, ReadUInt32WithBufferTooSmall) {
119  // Frame data in network byte order.
120  const char kFrameData[] = {
121    0x00, 0x00, 0x00,  // part of a uint32
122  };
123
124  SpdyFrameReader frame_reader(kFrameData, arraysize(kFrameData));
125  EXPECT_FALSE(frame_reader.IsDoneReading());
126
127  uint32 uint32_val;
128  EXPECT_FALSE(frame_reader.ReadUInt32(&uint32_val));
129
130  // Also make sure that trying to read a uint16, which technically could work,
131  // fails immediately due to previously encountered failed read.
132  uint16 uint16_val;
133  EXPECT_FALSE(frame_reader.ReadUInt16(&uint16_val));
134}
135
136// Tests ReadStringPiece16() with a buffer too small to fit the entire string.
137TEST(SpdyFrameReaderTest, ReadStringPiece16WithBufferTooSmall) {
138  // Frame data in network byte order.
139  const char kFrameData[] = {
140    0x00, 0x03,  // uint16(3)
141    0x48, 0x69,  // "Hi"
142  };
143
144  SpdyFrameReader frame_reader(kFrameData, arraysize(kFrameData));
145  EXPECT_FALSE(frame_reader.IsDoneReading());
146
147  base::StringPiece stringpiece_val;
148  EXPECT_FALSE(frame_reader.ReadStringPiece16(&stringpiece_val));
149
150  // Also make sure that trying to read a uint16, which technically could work,
151  // fails immediately due to previously encountered failed read.
152  uint16 uint16_val;
153  EXPECT_FALSE(frame_reader.ReadUInt16(&uint16_val));
154}
155
156// Tests ReadStringPiece16() with a buffer too small even to fit the length.
157TEST(SpdyFrameReaderTest, ReadStringPiece16WithBufferWayTooSmall) {
158  // Frame data in network byte order.
159  const char kFrameData[] = {
160    0x00,  // part of a uint16
161  };
162
163  SpdyFrameReader frame_reader(kFrameData, arraysize(kFrameData));
164  EXPECT_FALSE(frame_reader.IsDoneReading());
165
166  base::StringPiece stringpiece_val;
167  EXPECT_FALSE(frame_reader.ReadStringPiece16(&stringpiece_val));
168
169  // Also make sure that trying to read a uint16, which technically could work,
170  // fails immediately due to previously encountered failed read.
171  uint16 uint16_val;
172  EXPECT_FALSE(frame_reader.ReadUInt16(&uint16_val));
173}
174
175// Tests ReadStringPiece32() with a buffer too small to fit the entire string.
176TEST(SpdyFrameReaderTest, ReadStringPiece32WithBufferTooSmall) {
177  // Frame data in network byte order.
178  const char kFrameData[] = {
179    0x00, 0x00, 0x00, 0x03,  // uint32(3)
180    0x48, 0x69,  // "Hi"
181  };
182
183  SpdyFrameReader frame_reader(kFrameData, arraysize(kFrameData));
184  EXPECT_FALSE(frame_reader.IsDoneReading());
185
186  base::StringPiece stringpiece_val;
187  EXPECT_FALSE(frame_reader.ReadStringPiece32(&stringpiece_val));
188
189  // Also make sure that trying to read a uint16, which technically could work,
190  // fails immediately due to previously encountered failed read.
191  uint16 uint16_val;
192  EXPECT_FALSE(frame_reader.ReadUInt16(&uint16_val));
193}
194
195// Tests ReadStringPiece32() with a buffer too small even to fit the length.
196TEST(SpdyFrameReaderTest, ReadStringPiece32WithBufferWayTooSmall) {
197  // Frame data in network byte order.
198  const char kFrameData[] = {
199    0x00, 0x00, 0x00,  // part of a uint32
200  };
201
202  SpdyFrameReader frame_reader(kFrameData, arraysize(kFrameData));
203  EXPECT_FALSE(frame_reader.IsDoneReading());
204
205  base::StringPiece stringpiece_val;
206  EXPECT_FALSE(frame_reader.ReadStringPiece32(&stringpiece_val));
207
208  // Also make sure that trying to read a uint16, which technically could work,
209  // fails immediately due to previously encountered failed read.
210  uint16 uint16_val;
211  EXPECT_FALSE(frame_reader.ReadUInt16(&uint16_val));
212}
213
214TEST(SpdyFrameReaderTest, ReadBytes) {
215  // Frame data in network byte order.
216  const char kFrameData[] = {
217    0x66, 0x6f, 0x6f,  // "foo"
218    0x48, 0x69,  // "Hi"
219  };
220
221  SpdyFrameReader frame_reader(kFrameData, arraysize(kFrameData));
222  EXPECT_FALSE(frame_reader.IsDoneReading());
223
224  char dest1[3] = {};
225  EXPECT_TRUE(frame_reader.ReadBytes(&dest1, arraysize(dest1)));
226  EXPECT_FALSE(frame_reader.IsDoneReading());
227  EXPECT_EQ("foo", base::StringPiece(dest1, arraysize(dest1)));
228
229  char dest2[2] = {};
230  EXPECT_TRUE(frame_reader.ReadBytes(&dest2, arraysize(dest2)));
231  EXPECT_TRUE(frame_reader.IsDoneReading());
232  EXPECT_EQ("Hi", base::StringPiece(dest2, arraysize(dest2)));
233}
234
235TEST(SpdyFrameReaderTest, ReadBytesWithBufferTooSmall) {
236  // Frame data in network byte order.
237  const char kFrameData[] = {
238    0x01,
239  };
240
241  SpdyFrameReader frame_reader(kFrameData, arraysize(kFrameData));
242  EXPECT_FALSE(frame_reader.IsDoneReading());
243
244  char dest[arraysize(kFrameData) + 2] = {};
245  EXPECT_FALSE(frame_reader.ReadBytes(&dest, arraysize(kFrameData) + 1));
246  EXPECT_STREQ("", dest);
247}
248
249}  // namespace net
250