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1 /* | |
2 * Copyright 2012 The WebRTC Project Authors. All rights reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #include <stdint.h> | |
12 | |
13 #include "webrtc/base/byteorder.h" | |
14 #include "webrtc/base/gunit.h" | |
15 | |
16 namespace rtc { | |
17 | |
18 // Test memory set functions put values into memory in expected order. | |
19 TEST(ByteOrderTest, TestSet) { | |
20 uint8_t buf[8] = {0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u}; | |
21 Set8(buf, 0, 0xfb); | |
22 Set8(buf, 1, 0x12); | |
23 EXPECT_EQ(0xfb, buf[0]); | |
24 EXPECT_EQ(0x12, buf[1]); | |
25 SetBE16(buf, 0x1234); | |
26 EXPECT_EQ(0x12, buf[0]); | |
27 EXPECT_EQ(0x34, buf[1]); | |
28 SetLE16(buf, 0x1234); | |
29 EXPECT_EQ(0x34, buf[0]); | |
30 EXPECT_EQ(0x12, buf[1]); | |
31 SetBE32(buf, 0x12345678); | |
32 EXPECT_EQ(0x12, buf[0]); | |
33 EXPECT_EQ(0x34, buf[1]); | |
34 EXPECT_EQ(0x56, buf[2]); | |
35 EXPECT_EQ(0x78, buf[3]); | |
36 SetLE32(buf, 0x12345678); | |
37 EXPECT_EQ(0x78, buf[0]); | |
38 EXPECT_EQ(0x56, buf[1]); | |
39 EXPECT_EQ(0x34, buf[2]); | |
40 EXPECT_EQ(0x12, buf[3]); | |
41 SetBE64(buf, UINT64_C(0x0123456789abcdef)); | |
42 EXPECT_EQ(0x01, buf[0]); | |
43 EXPECT_EQ(0x23, buf[1]); | |
44 EXPECT_EQ(0x45, buf[2]); | |
45 EXPECT_EQ(0x67, buf[3]); | |
46 EXPECT_EQ(0x89, buf[4]); | |
47 EXPECT_EQ(0xab, buf[5]); | |
48 EXPECT_EQ(0xcd, buf[6]); | |
49 EXPECT_EQ(0xef, buf[7]); | |
50 SetLE64(buf, UINT64_C(0x0123456789abcdef)); | |
51 EXPECT_EQ(0xef, buf[0]); | |
52 EXPECT_EQ(0xcd, buf[1]); | |
53 EXPECT_EQ(0xab, buf[2]); | |
54 EXPECT_EQ(0x89, buf[3]); | |
55 EXPECT_EQ(0x67, buf[4]); | |
56 EXPECT_EQ(0x45, buf[5]); | |
57 EXPECT_EQ(0x23, buf[6]); | |
58 EXPECT_EQ(0x01, buf[7]); | |
59 } | |
60 | |
61 // Test memory get functions get values from memory in expected order. | |
62 TEST(ByteOrderTest, TestGet) { | |
63 uint8_t buf[8]; | |
64 buf[0] = 0x01u; | |
65 buf[1] = 0x23u; | |
66 buf[2] = 0x45u; | |
67 buf[3] = 0x67u; | |
68 buf[4] = 0x89u; | |
69 buf[5] = 0xabu; | |
70 buf[6] = 0xcdu; | |
71 buf[7] = 0xefu; | |
72 EXPECT_EQ(0x01u, Get8(buf, 0)); | |
73 EXPECT_EQ(0x23u, Get8(buf, 1)); | |
74 EXPECT_EQ(0x0123u, GetBE16(buf)); | |
75 EXPECT_EQ(0x2301u, GetLE16(buf)); | |
76 EXPECT_EQ(0x01234567u, GetBE32(buf)); | |
77 EXPECT_EQ(0x67452301u, GetLE32(buf)); | |
78 EXPECT_EQ(UINT64_C(0x0123456789abcdef), GetBE64(buf)); | |
79 EXPECT_EQ(UINT64_C(0xefcdab8967452301), GetLE64(buf)); | |
80 } | |
81 | |
82 } // namespace rtc | |
83 | |
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