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 100 101
