henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libjingle |
| 3 | * Copyright 2012 Google Inc. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| 19 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #include "talk/base/byteorder.h" |
| 29 | |
| 30 | #include "talk/base/basictypes.h" |
| 31 | #include "talk/base/gunit.h" |
| 32 | |
| 33 | namespace talk_base { |
| 34 | |
| 35 | // Test memory set functions put values into memory in expected order. |
| 36 | TEST(ByteOrderTest, TestSet) { |
| 37 | uint8 buf[8] = { 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u }; |
| 38 | Set8(buf, 0, 0xfb); |
| 39 | Set8(buf, 1, 0x12); |
| 40 | EXPECT_EQ(0xfb, buf[0]); |
| 41 | EXPECT_EQ(0x12, buf[1]); |
| 42 | SetBE16(buf, 0x1234); |
| 43 | EXPECT_EQ(0x12, buf[0]); |
| 44 | EXPECT_EQ(0x34, buf[1]); |
| 45 | SetLE16(buf, 0x1234); |
| 46 | EXPECT_EQ(0x34, buf[0]); |
| 47 | EXPECT_EQ(0x12, buf[1]); |
| 48 | SetBE32(buf, 0x12345678); |
| 49 | EXPECT_EQ(0x12, buf[0]); |
| 50 | EXPECT_EQ(0x34, buf[1]); |
| 51 | EXPECT_EQ(0x56, buf[2]); |
| 52 | EXPECT_EQ(0x78, buf[3]); |
| 53 | SetLE32(buf, 0x12345678); |
| 54 | EXPECT_EQ(0x78, buf[0]); |
| 55 | EXPECT_EQ(0x56, buf[1]); |
| 56 | EXPECT_EQ(0x34, buf[2]); |
| 57 | EXPECT_EQ(0x12, buf[3]); |
| 58 | SetBE64(buf, UINT64_C(0x0123456789abcdef)); |
| 59 | EXPECT_EQ(0x01, buf[0]); |
| 60 | EXPECT_EQ(0x23, buf[1]); |
| 61 | EXPECT_EQ(0x45, buf[2]); |
| 62 | EXPECT_EQ(0x67, buf[3]); |
| 63 | EXPECT_EQ(0x89, buf[4]); |
| 64 | EXPECT_EQ(0xab, buf[5]); |
| 65 | EXPECT_EQ(0xcd, buf[6]); |
| 66 | EXPECT_EQ(0xef, buf[7]); |
| 67 | SetLE64(buf, UINT64_C(0x0123456789abcdef)); |
| 68 | EXPECT_EQ(0xef, buf[0]); |
| 69 | EXPECT_EQ(0xcd, buf[1]); |
| 70 | EXPECT_EQ(0xab, buf[2]); |
| 71 | EXPECT_EQ(0x89, buf[3]); |
| 72 | EXPECT_EQ(0x67, buf[4]); |
| 73 | EXPECT_EQ(0x45, buf[5]); |
| 74 | EXPECT_EQ(0x23, buf[6]); |
| 75 | EXPECT_EQ(0x01, buf[7]); |
| 76 | } |
| 77 | |
| 78 | // Test memory get functions get values from memory in expected order. |
| 79 | TEST(ByteOrderTest, TestGet) { |
| 80 | uint8 buf[8]; |
| 81 | buf[0] = 0x01u; |
| 82 | buf[1] = 0x23u; |
| 83 | buf[2] = 0x45u; |
| 84 | buf[3] = 0x67u; |
| 85 | buf[4] = 0x89u; |
| 86 | buf[5] = 0xabu; |
| 87 | buf[6] = 0xcdu; |
| 88 | buf[7] = 0xefu; |
| 89 | EXPECT_EQ(0x01u, Get8(buf, 0)); |
| 90 | EXPECT_EQ(0x23u, Get8(buf, 1)); |
| 91 | EXPECT_EQ(0x0123u, GetBE16(buf)); |
| 92 | EXPECT_EQ(0x2301u, GetLE16(buf)); |
| 93 | EXPECT_EQ(0x01234567u, GetBE32(buf)); |
| 94 | EXPECT_EQ(0x67452301u, GetLE32(buf)); |
| 95 | EXPECT_EQ(UINT64_C(0x0123456789abcdef), GetBE64(buf)); |
| 96 | EXPECT_EQ(UINT64_C(0xefcdab8967452301), GetLE64(buf)); |
| 97 | } |
| 98 | |
| 99 | } // namespace talk_base |
| 100 | |