henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 +0000 | [diff] [blame] | 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 | |
pbos | c7c26a0 | 2017-01-02 08:42:32 -0800 | [diff] [blame] | 11 | #include <stdint.h> |
pbos | 7eb0e23 | 2017-01-02 07:32:25 -0800 | [diff] [blame] | 12 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 13 | #include "rtc_base/byteorder.h" |
| 14 | #include "rtc_base/gunit.h" |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 +0000 | [diff] [blame] | 15 | |
| 16 | namespace rtc { |
| 17 | |
| 18 | // Test memory set functions put values into memory in expected order. |
| 19 | TEST(ByteOrderTest, TestSet) { |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 20 | uint8_t buf[8] = {0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u}; |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 +0000 | [diff] [blame] | 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) { |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 63 | uint8_t buf[8]; |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 +0000 | [diff] [blame] | 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 |