text: /*
   *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
   *
   *  Use of this source code is governed by a BSD-style license
   *  that can be found in the LICENSE file in the root of the source
   *  tree. An additional intellectual property rights grant can be found
   *  in the file PATENTS.  All contributing project authors may
   *  be found in the AUTHORS file in the root of the source tree.
   */
  
  #include <stdint.h>
  
  #include "rtc_base/byte_order.h"
  #include "test/gtest.h"
  
  namespace rtc {
  
  // Test memory set functions put values into memory in expected order.
  TEST(ByteOrderTest, TestSet) {
    uint8_t buf[8] = {0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u};
    Set8(buf, 0, 0xfb);
    Set8(buf, 1, 0x12);
    EXPECT_EQ(0xfb, buf[0]);
    EXPECT_EQ(0x12, buf[1]);
    SetBE16(buf, 0x1234);
    EXPECT_EQ(0x12, buf[0]);
    EXPECT_EQ(0x34, buf[1]);
    SetLE16(buf, 0x1234);
    EXPECT_EQ(0x34, buf[0]);
    EXPECT_EQ(0x12, buf[1]);
    SetBE32(buf, 0x12345678);
    EXPECT_EQ(0x12, buf[0]);
    EXPECT_EQ(0x34, buf[1]);
    EXPECT_EQ(0x56, buf[2]);
    EXPECT_EQ(0x78, buf[3]);
    SetLE32(buf, 0x12345678);
    EXPECT_EQ(0x78, buf[0]);
    EXPECT_EQ(0x56, buf[1]);
    EXPECT_EQ(0x34, buf[2]);
    EXPECT_EQ(0x12, buf[3]);
    SetBE64(buf, UINT64_C(0x0123456789abcdef));
    EXPECT_EQ(0x01, buf[0]);
    EXPECT_EQ(0x23, buf[1]);
    EXPECT_EQ(0x45, buf[2]);
    EXPECT_EQ(0x67, buf[3]);
    EXPECT_EQ(0x89, buf[4]);
    EXPECT_EQ(0xab, buf[5]);
    EXPECT_EQ(0xcd, buf[6]);
    EXPECT_EQ(0xef, buf[7]);
    SetLE64(buf, UINT64_C(0x0123456789abcdef));
    EXPECT_EQ(0xef, buf[0]);
    EXPECT_EQ(0xcd, buf[1]);
    EXPECT_EQ(0xab, buf[2]);
    EXPECT_EQ(0x89, buf[3]);
    EXPECT_EQ(0x67, buf[4]);
    EXPECT_EQ(0x45, buf[5]);
    EXPECT_EQ(0x23, buf[6]);
    EXPECT_EQ(0x01, buf[7]);
  }
  
  // Test memory get functions get values from memory in expected order.
  TEST(ByteOrderTest, TestGet) {
    uint8_t buf[8];
    buf[0] = 0x01u;
    buf[1] = 0x23u;
    buf[2] = 0x45u;
    buf[3] = 0x67u;
    buf[4] = 0x89u;
    buf[5] = 0xabu;
    buf[6] = 0xcdu;
    buf[7] = 0xefu;
    EXPECT_EQ(0x01u, Get8(buf, 0));
    EXPECT_EQ(0x23u, Get8(buf, 1));
    EXPECT_EQ(0x0123u, GetBE16(buf));
    EXPECT_EQ(0x2301u, GetLE16(buf));
    EXPECT_EQ(0x01234567u, GetBE32(buf));
    EXPECT_EQ(0x67452301u, GetLE32(buf));
    EXPECT_EQ(UINT64_C(0x0123456789abcdef), GetBE64(buf));
    EXPECT_EQ(UINT64_C(0xefcdab8967452301), GetLE64(buf));
  }
  
  }  // namespace rtc
  