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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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