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