blob: aba8e9fff7907edf2363b6df3932ec9066234ada [file] [log] [blame]
* 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 "webrtc/rtc_base/byteorder.h"
#include "webrtc/rtc_base/gunit.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