659 lines
29 KiB
C++
659 lines
29 KiB
C++
/*
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* Copyright (c) 2018, The OpenThread Authors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <ctype.h>
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#include "common/code_utils.hpp"
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#include "common/instance.hpp"
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#include "lib/hdlc/hdlc.hpp"
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#include "test_util.h"
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namespace ot {
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namespace Ncp {
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enum
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{
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kBufferSize = 1500, // Frame buffer size
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kMaxFrameLength = 500, // Maximum allowed frame length (used when randomly generating frames)
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kFuzzTestIteration = 50000, // Number of iteration during fuzz test (randomly generating frames)
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kFrameHeaderSize = 4, // Frame header size
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kFlagXOn = 0x11,
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kFlagXOff = 0x13,
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kFlagSequence = 0x7e, ///< HDLC Flag value
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kEscapeSequence = 0x7d, ///< HDLC Escape value
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kFlagSpecial = 0xf8,
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};
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static const uint8_t sOpenThreadText[] = "OpenThread Rocks";
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static const uint8_t sHelloText[] = "Hello there!";
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static const uint8_t sMottoText[] = "Think good thoughts, say good words, do good deeds!";
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static const uint8_t sHexText[] = "0123456789abcdef";
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static const uint8_t sSkipText[] = "Skip text";
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static const uint8_t sHdlcSpecials[] = {kFlagSequence, kFlagXOn, kFlagXOff,
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kFlagSequence, kEscapeSequence, kFlagSpecial};
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otError WriteToBuffer(const uint8_t *aText, Hdlc::FrameWritePointer &aWritePointer)
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{
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otError error = OT_ERROR_NONE;
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while (*aText != 0)
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{
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SuccessOrExit(aWritePointer.WriteByte(*aText++));
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}
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exit:
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return error;
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}
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void TestHdlcFrameBuffer(void)
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{
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Hdlc::FrameBuffer<kBufferSize> frameBuffer;
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printf("Testing Hdlc::FrameBuffer");
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VerifyOrQuit(frameBuffer.IsEmpty(), "after constructor");
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VerifyOrQuit(frameBuffer.GetLength() == 0, "after constructor");
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SuccessOrQuit(WriteToBuffer(sOpenThreadText, frameBuffer));
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sOpenThreadText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sOpenThreadText, frameBuffer.GetLength()) == 0);
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VerifyOrQuit(frameBuffer.CanWrite(1));
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VerifyOrQuit(!frameBuffer.IsEmpty());
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SuccessOrQuit(WriteToBuffer(sHelloText, frameBuffer));
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sOpenThreadText) + sizeof(sHelloText) - 2);
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frameBuffer.UndoLastWrites(sizeof(sHelloText) - 1);
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sOpenThreadText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sOpenThreadText, frameBuffer.GetLength()) == 0);
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VerifyOrQuit(!frameBuffer.IsEmpty());
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frameBuffer.Clear();
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VerifyOrQuit(frameBuffer.IsEmpty(), "after Clear()");
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VerifyOrQuit(frameBuffer.GetLength() == 0, "after Clear()");
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SuccessOrQuit(WriteToBuffer(sMottoText, frameBuffer));
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sMottoText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sMottoText, frameBuffer.GetLength()) == 0);
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frameBuffer.Clear();
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VerifyOrQuit(frameBuffer.CanWrite(kBufferSize));
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VerifyOrQuit(frameBuffer.CanWrite(kBufferSize + 1) == false, "CanWrite(kBufferSize + 1) did not fail as expected");
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for (uint16_t i = 0; i < kBufferSize; i++)
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{
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VerifyOrQuit(frameBuffer.CanWrite(1));
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SuccessOrQuit(frameBuffer.WriteByte(i & 0xff));
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}
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VerifyOrQuit(frameBuffer.CanWrite(1) == false, "did not fail with full buffer");
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VerifyOrQuit(frameBuffer.WriteByte(0) == OT_ERROR_NO_BUFS, "did not fail with full buffer");
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printf(" -- PASS\n");
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}
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void TestHdlcMultiFrameBuffer(void)
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{
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Hdlc::MultiFrameBuffer<kBufferSize> frameBuffer;
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uint8_t * frame = nullptr;
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uint8_t * newFrame = nullptr;
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uint16_t length;
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uint16_t newLength;
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printf("Testing Hdlc::MultiFrameBuffer");
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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// Check state after constructor
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VerifyOrQuit(!frameBuffer.HasFrame(), "after constructor");
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VerifyOrQuit(!frameBuffer.HasSavedFrame(), "after constructor");
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VerifyOrQuit(frameBuffer.GetLength() == 0, "after constructor");
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VerifyOrQuit(frameBuffer.GetNextSavedFrame(frame, length) == OT_ERROR_NOT_FOUND, "after constructor");
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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// Write multiple frames, save them and read later
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SuccessOrQuit(WriteToBuffer(sMottoText, frameBuffer));
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sMottoText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sMottoText, frameBuffer.GetLength()) == 0);
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frameBuffer.SaveFrame();
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VerifyOrQuit(!frameBuffer.HasFrame(), "after SaveFrame()");
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VerifyOrQuit(frameBuffer.HasSavedFrame(), "after SaveFrame()");
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VerifyOrQuit(frameBuffer.GetLength() == 0, "after SaveFrame()");
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SuccessOrQuit(WriteToBuffer(sHelloText, frameBuffer));
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sHelloText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sHelloText, frameBuffer.GetLength()) == 0);
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frameBuffer.SaveFrame();
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VerifyOrQuit(!frameBuffer.HasFrame(), "after SaveFrame()");
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VerifyOrQuit(frameBuffer.HasSavedFrame(), "after SaveFrame()");
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VerifyOrQuit(frameBuffer.GetLength() == 0, "after SaveFrame()");
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SuccessOrQuit(WriteToBuffer(sOpenThreadText, frameBuffer));
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sOpenThreadText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sOpenThreadText, frameBuffer.GetLength()) == 0);
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frameBuffer.DiscardFrame();
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VerifyOrQuit(!frameBuffer.HasFrame(), "after DiscardFrame()");
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VerifyOrQuit(frameBuffer.HasSavedFrame(), "after SaveFrame()");
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VerifyOrQuit(frameBuffer.GetLength() == 0, "after DiscardFrame()");
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SuccessOrQuit(WriteToBuffer(sMottoText, frameBuffer));
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sMottoText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sMottoText, frameBuffer.GetLength()) == 0);
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frameBuffer.DiscardFrame();
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VerifyOrQuit(!frameBuffer.HasFrame(), "after DiscardFrame()");
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VerifyOrQuit(frameBuffer.GetLength() == 0, "after DiscardFrame()");
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SuccessOrQuit(WriteToBuffer(sHexText, frameBuffer));
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sHexText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sHexText, frameBuffer.GetLength()) == 0);
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frameBuffer.SaveFrame();
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VerifyOrQuit(!frameBuffer.HasFrame(), "after SaveFrame()");
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VerifyOrQuit(frameBuffer.HasSavedFrame(), "after SaveFrame()");
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VerifyOrQuit(frameBuffer.GetLength() == 0, "after SaveFrame()");
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SuccessOrQuit(WriteToBuffer(sOpenThreadText, frameBuffer));
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sOpenThreadText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sOpenThreadText, frameBuffer.GetLength()) == 0);
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// Read the first saved frame and check the content
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frame = nullptr;
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sMottoText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sMottoText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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// Read the second saved frame and check the content
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sHelloText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sHelloText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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// Read the third saved frame and check the content
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sHexText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sHexText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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newFrame = frame;
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newLength = length;
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VerifyOrQuit(frameBuffer.GetNextSavedFrame(newFrame, newLength) == OT_ERROR_NOT_FOUND,
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"GetNextSavedFrame() incorrect behavior after all frames were read");
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VerifyOrQuit(newFrame == nullptr, "GetNextSavedFrame() incorrect behavior after all frames were read");
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sOpenThreadText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sOpenThreadText, frameBuffer.GetLength()) == 0,
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"GetFrame() content is incorrect");
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frameBuffer.SaveFrame();
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// Read the fourth saved frame and check the content
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sOpenThreadText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sOpenThreadText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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// Re-read all the saved frames
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frame = nullptr;
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sMottoText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sMottoText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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// Second saved frame
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sHelloText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sHelloText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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// Third saved frame
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sHexText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sHexText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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// Fourth saved frame and check the content
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sOpenThreadText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sOpenThreadText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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// Verify behavior of `Clear()`
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frameBuffer.Clear();
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VerifyOrQuit(!frameBuffer.HasFrame(), "after Clear()");
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VerifyOrQuit(!frameBuffer.HasSavedFrame(), "after Clear()");
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VerifyOrQuit(frameBuffer.GetLength() == 0, "after Clear()");
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SuccessOrQuit(WriteToBuffer(sOpenThreadText, frameBuffer));
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frameBuffer.SaveFrame();
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SuccessOrQuit(WriteToBuffer(sHelloText, frameBuffer));
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frameBuffer.SaveFrame();
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VerifyOrQuit(frameBuffer.HasSavedFrame(), "after SaveFrame()");
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frame = nullptr;
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(frameBuffer.HasSavedFrame(), "after GetNextSavedFrame()");
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frameBuffer.Clear();
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frame = nullptr;
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VerifyOrQuit(frameBuffer.GetNextSavedFrame(frame, length) == OT_ERROR_NOT_FOUND, "after Clear()");
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VerifyOrQuit(!frameBuffer.HasFrame(), "after Clear()");
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VerifyOrQuit(!frameBuffer.HasSavedFrame(), "after Clear()");
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VerifyOrQuit(frameBuffer.CanWrite(kBufferSize - (kFrameHeaderSize - 1)) == false, "after Clear()");
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VerifyOrQuit(frameBuffer.CanWrite(kBufferSize - kFrameHeaderSize) == true, "after Clear()");
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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// Verify behavior of `ClearSavedFrames()`
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SuccessOrQuit(WriteToBuffer(sHelloText, frameBuffer));
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frameBuffer.SaveFrame();
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SuccessOrQuit(WriteToBuffer(sOpenThreadText, frameBuffer));
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frameBuffer.SaveFrame();
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SuccessOrQuit(WriteToBuffer(sMottoText, frameBuffer));
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frameBuffer.SaveFrame();
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SuccessOrQuit(WriteToBuffer(sHexText, frameBuffer));
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frame = nullptr;
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sHelloText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sHelloText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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frameBuffer.ClearSavedFrames();
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VerifyOrQuit(frameBuffer.HasFrame(), "after ClearSavedFrames()");
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VerifyOrQuit(!frameBuffer.HasSavedFrame(), "after ClearSavedFrames()");
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sHexText) - 1, "after ClearSavedFrames()");
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sHexText, frameBuffer.GetLength()) == 0);
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frameBuffer.SaveFrame();
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SuccessOrQuit(WriteToBuffer(sHelloText, frameBuffer));
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frame = nullptr;
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sHexText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sHexText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sHelloText) - 1, "after ClearSavedFrames()");
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sHelloText, frameBuffer.GetLength()) == 0, "after ClearSavedFrames()");
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frameBuffer.ClearSavedFrames();
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frameBuffer.DiscardFrame();
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VerifyOrQuit(!frameBuffer.HasFrame(), "after all frames are read and discarded");
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VerifyOrQuit(!frameBuffer.HasSavedFrame(), "after all read or discarded");
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VerifyOrQuit(frameBuffer.CanWrite(kBufferSize - (kFrameHeaderSize - 1)) == false, "after all read or discarded");
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VerifyOrQuit(frameBuffer.CanWrite(kBufferSize - kFrameHeaderSize) == true, "after all read of discarded");
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SuccessOrQuit(WriteToBuffer(sHelloText, frameBuffer));
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frameBuffer.ClearSavedFrames();
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sHelloText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sHelloText, frameBuffer.GetLength()) == 0);
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frameBuffer.SaveFrame();
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frame = nullptr;
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sHelloText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sHelloText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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// Verify behavior of `SetSkipLength()` and `GetSkipLength()`
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frameBuffer.Clear();
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VerifyOrQuit(frameBuffer.GetSkipLength() == 0, "after Clear()");
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VerifyOrQuit(frameBuffer.SetSkipLength(sizeof(sSkipText)) == OT_ERROR_NONE);
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SuccessOrQuit(WriteToBuffer(sMottoText, frameBuffer));
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sMottoText, frameBuffer.GetLength()) == 0);
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memcpy(frameBuffer.GetFrame() - sizeof(sSkipText), sSkipText, sizeof(sSkipText));
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VerifyOrQuit(frameBuffer.GetSkipLength() == sizeof(sSkipText));
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sMottoText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sMottoText, frameBuffer.GetLength()) == 0);
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frameBuffer.SaveFrame();
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VerifyOrQuit(!frameBuffer.HasFrame(), "after SaveFrame()");
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VerifyOrQuit(frameBuffer.HasSavedFrame(), "after SaveFrame()");
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VerifyOrQuit(frameBuffer.GetSkipLength() == 0, "after SaveFrame()");
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VerifyOrQuit(frameBuffer.SetSkipLength(sizeof(sSkipText)) == OT_ERROR_NONE);
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SuccessOrQuit(WriteToBuffer(sOpenThreadText, frameBuffer));
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sOpenThreadText, frameBuffer.GetLength()) == 0);
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memcpy(frameBuffer.GetFrame() - sizeof(sSkipText), sSkipText, sizeof(sSkipText));
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VerifyOrQuit(frameBuffer.GetSkipLength() == sizeof(sSkipText));
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VerifyOrQuit(frameBuffer.GetLength() == sizeof(sOpenThreadText) - 1);
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VerifyOrQuit(memcmp(frameBuffer.GetFrame(), sOpenThreadText, frameBuffer.GetLength()) == 0);
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frameBuffer.SaveFrame();
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VerifyOrQuit(!frameBuffer.HasFrame(), "after SaveFrame()");
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VerifyOrQuit(frameBuffer.HasSavedFrame(), "after SaveFrame()");
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VerifyOrQuit(frameBuffer.GetSkipLength() == 0, "after SaveFrame()");
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frame = nullptr;
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sMottoText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sMottoText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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VerifyOrQuit(memcmp(frame - sizeof(sSkipText), sSkipText, sizeof(sSkipText)) == 0,
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"GetNextSavedFrame() reserved frame buffer content is incorrect");
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SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
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VerifyOrQuit(length == sizeof(sOpenThreadText) - 1, "GetNextSavedFrame() length is incorrect");
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VerifyOrQuit(memcmp(frame, sOpenThreadText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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VerifyOrQuit(memcmp(frame - sizeof(sSkipText), sSkipText, sizeof(sSkipText)) == 0,
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"GetNextSavedFrame() reserved frame buffer content is incorrect");
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frameBuffer.Clear();
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VerifyOrQuit(frameBuffer.SetSkipLength(kBufferSize - (kFrameHeaderSize - 1)) == OT_ERROR_NO_BUFS, "after Clear()");
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VerifyOrQuit(frameBuffer.SetSkipLength(kBufferSize - kFrameHeaderSize) == OT_ERROR_NONE, "after Clear()");
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
// Verify behavior of `SetLength()` and `GetLength()`
|
|
|
|
frameBuffer.Clear();
|
|
VerifyOrQuit((frame = frameBuffer.GetFrame()) != nullptr);
|
|
memcpy(frame, sHelloText, sizeof(sHelloText));
|
|
VerifyOrQuit(frameBuffer.SetLength(sizeof(sHelloText)) == OT_ERROR_NONE);
|
|
VerifyOrQuit(frameBuffer.GetLength() == sizeof(sHelloText));
|
|
VerifyOrQuit(frameBuffer.HasFrame());
|
|
frameBuffer.SaveFrame();
|
|
|
|
VerifyOrQuit((frame = frameBuffer.GetFrame()) != nullptr);
|
|
memcpy(frame, sMottoText, sizeof(sMottoText));
|
|
VerifyOrQuit(frameBuffer.SetLength(sizeof(sMottoText)) == OT_ERROR_NONE);
|
|
VerifyOrQuit(frameBuffer.GetLength() == sizeof(sMottoText));
|
|
VerifyOrQuit(frameBuffer.HasFrame());
|
|
frameBuffer.SaveFrame();
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|
|
|
VerifyOrQuit((frame = frameBuffer.GetFrame()) != nullptr);
|
|
memcpy(frame, sHexText, sizeof(sHexText));
|
|
VerifyOrQuit(frameBuffer.SetLength(sizeof(sHexText)) == OT_ERROR_NONE);
|
|
VerifyOrQuit(frameBuffer.GetLength() == sizeof(sHexText));
|
|
frameBuffer.DiscardFrame();
|
|
VerifyOrQuit(!frameBuffer.HasFrame());
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|
|
|
frame = nullptr;
|
|
SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
|
|
VerifyOrQuit(length == sizeof(sHelloText), "GetNextSavedFrame() length is incorrect");
|
|
VerifyOrQuit(memcmp(frame, sHelloText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
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|
|
|
SuccessOrQuit(frameBuffer.GetNextSavedFrame(frame, length));
|
|
VerifyOrQuit(length == sizeof(sMottoText), "GetNextSavedFrame() length is incorrect");
|
|
VerifyOrQuit(memcmp(frame, sMottoText, length) == 0, "GetNextSavedFrame() frame content is incorrect");
|
|
|
|
SuccessOrQuit(!frameBuffer.GetNextSavedFrame(frame, length));
|
|
|
|
frameBuffer.Clear();
|
|
VerifyOrQuit(frameBuffer.SetLength(kBufferSize - (kFrameHeaderSize - 1)) == OT_ERROR_NO_BUFS, "after Clear()");
|
|
VerifyOrQuit(frameBuffer.SetLength(kBufferSize - kFrameHeaderSize) == OT_ERROR_NONE, "after Clear()");
|
|
|
|
printf(" -- PASS\n");
|
|
}
|
|
|
|
struct DecoderContext
|
|
{
|
|
bool mWasCalled;
|
|
otError mError;
|
|
};
|
|
|
|
void ProcessDecodedFrame(void *aContext, otError aError)
|
|
{
|
|
DecoderContext &decoderContext = *static_cast<DecoderContext *>(aContext);
|
|
|
|
decoderContext.mError = aError;
|
|
decoderContext.mWasCalled = true;
|
|
}
|
|
|
|
void TestEncoderDecoder(void)
|
|
{
|
|
otError error;
|
|
uint8_t byte;
|
|
Hdlc::MultiFrameBuffer<kBufferSize> encoderBuffer;
|
|
Hdlc::MultiFrameBuffer<kBufferSize> decoderBuffer;
|
|
DecoderContext decoderContext;
|
|
Hdlc::Encoder encoder(encoderBuffer);
|
|
Hdlc::Decoder decoder(decoderBuffer, ProcessDecodedFrame, &decoderContext);
|
|
uint8_t * frame;
|
|
uint16_t length;
|
|
uint8_t badShortFrame[3] = {kFlagSequence, 0xaa, kFlagSequence};
|
|
|
|
printf("Testing Hdlc::Encoder and Hdlc::Decoder");
|
|
|
|
SuccessOrQuit(encoder.BeginFrame());
|
|
SuccessOrQuit(encoder.Encode(sOpenThreadText, sizeof(sOpenThreadText) - 1));
|
|
SuccessOrQuit(encoder.EndFrame());
|
|
encoderBuffer.SaveFrame();
|
|
|
|
SuccessOrQuit(encoder.BeginFrame());
|
|
SuccessOrQuit(encoder.Encode(sMottoText, sizeof(sMottoText) - 1));
|
|
SuccessOrQuit(encoder.EndFrame());
|
|
encoderBuffer.SaveFrame();
|
|
|
|
SuccessOrQuit(encoder.BeginFrame());
|
|
SuccessOrQuit(encoder.Encode(sHdlcSpecials, sizeof(sHdlcSpecials)));
|
|
SuccessOrQuit(encoder.EndFrame());
|
|
encoderBuffer.SaveFrame();
|
|
|
|
SuccessOrQuit(encoder.BeginFrame());
|
|
SuccessOrQuit(encoder.Encode(sHelloText, sizeof(sHelloText) - 1));
|
|
SuccessOrQuit(encoder.EndFrame());
|
|
encoderBuffer.SaveFrame();
|
|
|
|
SuccessOrQuit(encoder.BeginFrame());
|
|
// Empty frame
|
|
SuccessOrQuit(encoder.EndFrame());
|
|
encoderBuffer.SaveFrame();
|
|
|
|
byte = kFlagSequence;
|
|
SuccessOrQuit(encoder.BeginFrame());
|
|
SuccessOrQuit(encoder.Encode(&byte, sizeof(uint8_t)));
|
|
SuccessOrQuit(encoder.EndFrame());
|
|
encoderBuffer.SaveFrame();
|
|
|
|
// Feed the encoded frames to decoder and save the content
|
|
for (frame = nullptr; encoderBuffer.GetNextSavedFrame(frame, length) == OT_ERROR_NONE;)
|
|
{
|
|
decoderContext.mWasCalled = false;
|
|
|
|
decoder.Decode(frame, length);
|
|
|
|
VerifyOrQuit(decoderContext.mWasCalled);
|
|
VerifyOrQuit(decoderContext.mError == OT_ERROR_NONE, "Decoder::Decode() returned incorrect error code");
|
|
|
|
decoderBuffer.SaveFrame();
|
|
}
|
|
|
|
// Verify the decoded frames match the original frames
|
|
frame = nullptr;
|
|
SuccessOrQuit(decoderBuffer.GetNextSavedFrame(frame, length));
|
|
VerifyOrQuit(length == sizeof(sOpenThreadText) - 1, "Decoded frame length does not match original frame");
|
|
VerifyOrQuit(memcmp(frame, sOpenThreadText, length) == 0, "Decoded frame content does not match original frame");
|
|
|
|
SuccessOrQuit(decoderBuffer.GetNextSavedFrame(frame, length));
|
|
VerifyOrQuit(length == sizeof(sMottoText) - 1, "Decoded frame length does not match original frame");
|
|
VerifyOrQuit(memcmp(frame, sMottoText, length) == 0, "Decoded frame content does not match original frame");
|
|
|
|
SuccessOrQuit(decoderBuffer.GetNextSavedFrame(frame, length));
|
|
VerifyOrQuit(length == sizeof(sHdlcSpecials), "Decoded frame length does not match original frame");
|
|
VerifyOrQuit(memcmp(frame, sHdlcSpecials, length) == 0, "Decoded frame content does not match original frame");
|
|
|
|
SuccessOrQuit(decoderBuffer.GetNextSavedFrame(frame, length));
|
|
VerifyOrQuit(length == sizeof(sHelloText) - 1, "Decoded frame length does not match original frame");
|
|
VerifyOrQuit(memcmp(frame, sHelloText, length) == 0, "Decoded frame content does not match original frame");
|
|
|
|
SuccessOrQuit(decoderBuffer.GetNextSavedFrame(frame, length));
|
|
VerifyOrQuit(length == 0, "Decoded frame length does not match original frame");
|
|
|
|
SuccessOrQuit(decoderBuffer.GetNextSavedFrame(frame, length));
|
|
VerifyOrQuit(length == sizeof(uint8_t), "Decoded frame length does not match original frame");
|
|
VerifyOrQuit(*frame == kFlagSequence, "Decoded frame content does not match original frame");
|
|
|
|
VerifyOrQuit(decoderBuffer.GetNextSavedFrame(frame, length) == OT_ERROR_NOT_FOUND, "Extra decoded frame");
|
|
|
|
encoderBuffer.Clear();
|
|
decoderBuffer.Clear();
|
|
|
|
// Test `Encoder` behavior when running out of buffer space
|
|
SuccessOrQuit(encoder.BeginFrame());
|
|
|
|
error = OT_ERROR_NONE;
|
|
|
|
for (uint16_t i = 0; error == OT_ERROR_NONE; i++)
|
|
{
|
|
byte = i & 0xff;
|
|
error = encoder.Encode(&byte, sizeof(uint8_t));
|
|
}
|
|
|
|
VerifyOrQuit(encoder.Encode(&byte, sizeof(uint8_t)) == OT_ERROR_NO_BUFS,
|
|
"Encoder::Encode() did not fail with a full buffer");
|
|
VerifyOrQuit(encoder.EndFrame(), "Encoder::EndFrame() did not fail with a full buffer");
|
|
|
|
encoderBuffer.Clear();
|
|
|
|
// Test `Decoder` behavior with incorrect FCS
|
|
|
|
SuccessOrQuit(encoder.BeginFrame());
|
|
SuccessOrQuit(encoder.Encode(sMottoText, sizeof(sMottoText) - 1));
|
|
SuccessOrQuit(encoder.EndFrame());
|
|
|
|
encoderBuffer.GetFrame()[0] ^= 0x0a; // Change the first byte in the frame to cause FCS failure
|
|
|
|
decoderContext.mWasCalled = false;
|
|
decoder.Decode(encoderBuffer.GetFrame(), encoderBuffer.GetLength());
|
|
VerifyOrQuit(decoderContext.mWasCalled);
|
|
VerifyOrQuit(decoderContext.mError == OT_ERROR_PARSE, "Decoder::Decode() did not fail with bad FCS");
|
|
|
|
decoderBuffer.Clear();
|
|
|
|
// Test `Decoder` behavior with short frame (smaller than FCS)
|
|
|
|
decoderContext.mWasCalled = false;
|
|
decoder.Decode(badShortFrame, sizeof(badShortFrame));
|
|
VerifyOrQuit(decoderContext.mWasCalled);
|
|
VerifyOrQuit(decoderContext.mError == OT_ERROR_PARSE, "Decoder::Decode() did not fail for short frame");
|
|
|
|
decoderBuffer.Clear();
|
|
|
|
// Test `Decoder` with back to back `kFlagSequence` and ensure callback is not invoked.
|
|
|
|
byte = kFlagSequence;
|
|
decoderContext.mWasCalled = false;
|
|
decoder.Decode(&byte, sizeof(uint8_t));
|
|
VerifyOrQuit(!decoderContext.mWasCalled);
|
|
decoder.Decode(&byte, sizeof(uint8_t));
|
|
VerifyOrQuit(!decoderContext.mWasCalled);
|
|
decoder.Decode(&byte, sizeof(uint8_t));
|
|
VerifyOrQuit(!decoderContext.mWasCalled);
|
|
decoder.Decode(&byte, sizeof(uint8_t));
|
|
VerifyOrQuit(!decoderContext.mWasCalled);
|
|
|
|
printf(" -- PASS\n");
|
|
}
|
|
|
|
uint32_t GetRandom(uint32_t max)
|
|
{
|
|
return static_cast<uint32_t>(rand()) % max;
|
|
}
|
|
|
|
void TestFuzzEncoderDecoder(void)
|
|
{
|
|
uint16_t length;
|
|
uint8_t frame[kMaxFrameLength];
|
|
Hdlc::FrameBuffer<kBufferSize> encoderBuffer;
|
|
Hdlc::FrameBuffer<kBufferSize> decoderBuffer;
|
|
DecoderContext decoderContext;
|
|
Hdlc::Encoder encoder(encoderBuffer);
|
|
Hdlc::Decoder decoder(decoderBuffer, ProcessDecodedFrame, &decoderContext);
|
|
|
|
printf("Testing Hdlc::Encoder and Hdlc::Decoder with randomly generated frames");
|
|
|
|
for (uint32_t iter = 0; iter < kFuzzTestIteration; iter++)
|
|
{
|
|
encoderBuffer.Clear();
|
|
decoderBuffer.Clear();
|
|
|
|
do
|
|
{
|
|
length = static_cast<uint16_t>(GetRandom(kMaxFrameLength));
|
|
} while (length == 0);
|
|
|
|
for (uint16_t i = 0; i < length; i++)
|
|
{
|
|
frame[i] = static_cast<uint8_t>(GetRandom(256));
|
|
}
|
|
|
|
SuccessOrQuit(encoder.BeginFrame());
|
|
SuccessOrQuit(encoder.Encode(frame, length));
|
|
SuccessOrQuit(encoder.EndFrame());
|
|
|
|
VerifyOrQuit(!encoderBuffer.IsEmpty(), "Encoded frame is empty");
|
|
VerifyOrQuit(encoderBuffer.GetLength() > length, "Encoded frame is too short");
|
|
|
|
decoderContext.mWasCalled = false;
|
|
decoder.Decode(encoderBuffer.GetFrame(), encoderBuffer.GetLength());
|
|
VerifyOrQuit(decoderContext.mWasCalled);
|
|
VerifyOrQuit(decoderContext.mError == OT_ERROR_NONE, "Decoder::Decode() returned incorrect error code");
|
|
|
|
VerifyOrQuit(!decoderBuffer.IsEmpty(), "Decoded frame is empty");
|
|
VerifyOrQuit(decoderBuffer.GetLength() == length, "Decoded frame length does not match original frame");
|
|
VerifyOrQuit(memcmp(decoderBuffer.GetFrame(), frame, length) == 0,
|
|
"Decoded frame content does not match original frame");
|
|
}
|
|
|
|
printf(" -- PASS\n");
|
|
}
|
|
|
|
} // namespace Ncp
|
|
} // namespace ot
|
|
|
|
int main(void)
|
|
{
|
|
ot::Ncp::TestHdlcFrameBuffer();
|
|
ot::Ncp::TestHdlcMultiFrameBuffer();
|
|
ot::Ncp::TestEncoderDecoder();
|
|
ot::Ncp::TestFuzzEncoderDecoder();
|
|
printf("\nAll tests passed.\n");
|
|
return 0;
|
|
}
|