OLD | NEW |
| (Empty) |
1 // Copyright (c) 2011 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 "base/strings/string_piece.h" | |
6 #include "net/base/big_endian.h" | |
7 #include "testing/gtest/include/gtest/gtest.h" | |
8 | |
9 namespace net { | |
10 | |
11 TEST(BigEndianReaderTest, ReadsValues) { | |
12 char data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xA, 0xB, 0xC }; | |
13 char buf[2]; | |
14 uint8 u8; | |
15 uint16 u16; | |
16 uint32 u32; | |
17 base::StringPiece piece; | |
18 BigEndianReader reader(data, sizeof(data)); | |
19 | |
20 EXPECT_TRUE(reader.Skip(2)); | |
21 EXPECT_EQ(data + 2, reader.ptr()); | |
22 EXPECT_EQ(reader.remaining(), static_cast<int>(sizeof(data)) - 2); | |
23 EXPECT_TRUE(reader.ReadBytes(buf, sizeof(buf))); | |
24 EXPECT_EQ(0x2, buf[0]); | |
25 EXPECT_EQ(0x3, buf[1]); | |
26 EXPECT_TRUE(reader.ReadU8(&u8)); | |
27 EXPECT_EQ(0x4, u8); | |
28 EXPECT_TRUE(reader.ReadU16(&u16)); | |
29 EXPECT_EQ(0x0506, u16); | |
30 EXPECT_TRUE(reader.ReadU32(&u32)); | |
31 EXPECT_EQ(0x0708090Au, u32); | |
32 base::StringPiece expected(reader.ptr(), 2); | |
33 EXPECT_TRUE(reader.ReadPiece(&piece, 2)); | |
34 EXPECT_EQ(2u, piece.size()); | |
35 EXPECT_EQ(expected.data(), piece.data()); | |
36 } | |
37 | |
38 TEST(BigEndianReaderTest, RespectsLength) { | |
39 char data[4]; | |
40 char buf[2]; | |
41 uint8 u8; | |
42 uint16 u16; | |
43 uint32 u32; | |
44 base::StringPiece piece; | |
45 BigEndianReader reader(data, sizeof(data)); | |
46 // 4 left | |
47 EXPECT_FALSE(reader.Skip(6)); | |
48 EXPECT_TRUE(reader.Skip(1)); | |
49 // 3 left | |
50 EXPECT_FALSE(reader.ReadU32(&u32)); | |
51 EXPECT_FALSE(reader.ReadPiece(&piece, 4)); | |
52 EXPECT_TRUE(reader.Skip(2)); | |
53 // 1 left | |
54 EXPECT_FALSE(reader.ReadU16(&u16)); | |
55 EXPECT_FALSE(reader.ReadBytes(buf, 2)); | |
56 EXPECT_TRUE(reader.Skip(1)); | |
57 // 0 left | |
58 EXPECT_FALSE(reader.ReadU8(&u8)); | |
59 EXPECT_EQ(0, reader.remaining()); | |
60 } | |
61 | |
62 TEST(BigEndianWriterTest, WritesValues) { | |
63 char expected[] = { 0, 0, 2, 3, 4, 5, 6, 7, 8, 9, 0xA }; | |
64 char data[sizeof(expected)]; | |
65 char buf[] = { 0x2, 0x3 }; | |
66 memset(data, 0, sizeof(data)); | |
67 BigEndianWriter writer(data, sizeof(data)); | |
68 | |
69 EXPECT_TRUE(writer.Skip(2)); | |
70 EXPECT_TRUE(writer.WriteBytes(buf, sizeof(buf))); | |
71 EXPECT_TRUE(writer.WriteU8(0x4)); | |
72 EXPECT_TRUE(writer.WriteU16(0x0506)); | |
73 EXPECT_TRUE(writer.WriteU32(0x0708090A)); | |
74 EXPECT_EQ(0, memcmp(expected, data, sizeof(expected))); | |
75 } | |
76 | |
77 TEST(BigEndianWriterTest, RespectsLength) { | |
78 char data[4]; | |
79 char buf[2]; | |
80 uint8 u8 = 0; | |
81 uint16 u16 = 0; | |
82 uint32 u32 = 0; | |
83 BigEndianWriter writer(data, sizeof(data)); | |
84 // 4 left | |
85 EXPECT_FALSE(writer.Skip(6)); | |
86 EXPECT_TRUE(writer.Skip(1)); | |
87 // 3 left | |
88 EXPECT_FALSE(writer.WriteU32(u32)); | |
89 EXPECT_TRUE(writer.Skip(2)); | |
90 // 1 left | |
91 EXPECT_FALSE(writer.WriteU16(u16)); | |
92 EXPECT_FALSE(writer.WriteBytes(buf, 2)); | |
93 EXPECT_TRUE(writer.Skip(1)); | |
94 // 0 left | |
95 EXPECT_FALSE(writer.WriteU8(u8)); | |
96 EXPECT_EQ(0, writer.remaining()); | |
97 } | |
98 | |
99 } // namespace net | |
100 | |
OLD | NEW |