92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
126 lines
4.4 KiB
C++
126 lines
4.4 KiB
C++
/*
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* Copyright (c) 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 "test/testsupport/packet_reader.h"
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#include "test/gtest.h"
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#include "test/testsupport/unittest_utils.h"
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namespace webrtc {
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namespace test {
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class PacketReaderTest: public PacketRelatedTest {
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protected:
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PacketReaderTest() {}
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virtual ~PacketReaderTest() {}
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void SetUp() {
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reader_ = new PacketReader();
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}
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void TearDown() {
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delete reader_;
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}
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void VerifyPacketData(size_t expected_length,
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int actual_length,
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uint8_t* original_data_pointer,
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uint8_t* new_data_pointer) {
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EXPECT_EQ(static_cast<int>(expected_length), actual_length);
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EXPECT_EQ(*original_data_pointer, *new_data_pointer);
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EXPECT_EQ(0, memcmp(original_data_pointer, new_data_pointer,
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actual_length));
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}
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PacketReader* reader_;
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};
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// Test lack of initialization
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TEST_F(PacketReaderTest, Uninitialized) {
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uint8_t* data_pointer = NULL;
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EXPECT_EQ(-1, reader_->NextPacket(&data_pointer));
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EXPECT_EQ(NULL, data_pointer);
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}
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TEST_F(PacketReaderTest, InitializeZeroLengthArgument) {
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reader_->InitializeReading(packet_data_, 0, kPacketSizeInBytes);
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ASSERT_EQ(0, reader_->NextPacket(&packet_data_pointer_));
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}
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// Test with something smaller than one packet
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TEST_F(PacketReaderTest, NormalSmallData) {
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const int kDataLengthInBytes = 1499;
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uint8_t data[kDataLengthInBytes];
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uint8_t* data_pointer = data;
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memset(data, 1, kDataLengthInBytes);
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reader_->InitializeReading(data, kDataLengthInBytes, kPacketSizeInBytes);
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int length_to_read = reader_->NextPacket(&data_pointer);
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VerifyPacketData(kDataLengthInBytes, length_to_read, data, data_pointer);
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EXPECT_EQ(0, data_pointer - data); // pointer hasn't moved
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// Reading another one shall result in 0 bytes:
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length_to_read = reader_->NextPacket(&data_pointer);
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EXPECT_EQ(0, length_to_read);
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EXPECT_EQ(kDataLengthInBytes, data_pointer - data);
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}
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// Test with data length that exactly matches one packet
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TEST_F(PacketReaderTest, NormalOnePacketData) {
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uint8_t data[kPacketSizeInBytes];
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uint8_t* data_pointer = data;
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memset(data, 1, kPacketSizeInBytes);
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reader_->InitializeReading(data, kPacketSizeInBytes, kPacketSizeInBytes);
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int length_to_read = reader_->NextPacket(&data_pointer);
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VerifyPacketData(kPacketSizeInBytes, length_to_read, data, data_pointer);
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EXPECT_EQ(0, data_pointer - data); // pointer hasn't moved
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// Reading another one shall result in 0 bytes:
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length_to_read = reader_->NextPacket(&data_pointer);
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EXPECT_EQ(0, length_to_read);
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EXPECT_EQ(kPacketSizeInBytes, static_cast<size_t>(data_pointer - data));
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}
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// Test with data length that will result in 3 packets
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TEST_F(PacketReaderTest, NormalLargeData) {
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reader_->InitializeReading(packet_data_, kPacketDataLength,
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kPacketSizeInBytes);
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int length_to_read = reader_->NextPacket(&packet_data_pointer_);
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VerifyPacketData(kPacketSizeInBytes, length_to_read,
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packet1_, packet_data_pointer_);
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length_to_read = reader_->NextPacket(&packet_data_pointer_);
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VerifyPacketData(kPacketSizeInBytes, length_to_read,
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packet2_, packet_data_pointer_);
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length_to_read = reader_->NextPacket(&packet_data_pointer_);
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VerifyPacketData(1u, length_to_read,
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packet3_, packet_data_pointer_);
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// Reading another one shall result in 0 bytes:
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length_to_read = reader_->NextPacket(&packet_data_pointer_);
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EXPECT_EQ(0, length_to_read);
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EXPECT_EQ(kPacketDataLength,
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static_cast<size_t>(packet_data_pointer_ - packet_data_));
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}
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// Test with empty data.
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TEST_F(PacketReaderTest, EmptyData) {
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const int kDataLengthInBytes = 0;
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// But don't really try to allocate a zero-length array...
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uint8_t data[kPacketSizeInBytes];
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uint8_t* data_pointer = data;
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reader_->InitializeReading(data, kDataLengthInBytes, kPacketSizeInBytes);
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EXPECT_EQ(kDataLengthInBytes, reader_->NextPacket(&data_pointer));
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// Do it again to make sure nothing changes
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EXPECT_EQ(kDataLengthInBytes, reader_->NextPacket(&data_pointer));
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}
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} // namespace test
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} // namespace webrtc
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