310 lines
8.7 KiB
C++
310 lines
8.7 KiB
C++
// Copyright 2017 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include "packager/file/file.h"
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#include "packager/media/base/media_handler_test_base.h"
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#include "packager/media/formats/webvtt/text_readers.h"
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#include "packager/media/formats/webvtt/webvtt_parser.h"
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#include "packager/status_test_util.h"
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namespace shaka {
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namespace media {
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namespace {
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const size_t kInputCount = 0;
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const size_t kOutputCount = 1;
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const size_t kOutputIndex = 0;
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const size_t kStreamIndex = 0;
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const size_t kTimeScale = 1000;
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const bool kEncrypted = true;
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const char* kNoId = "";
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const char* kNoSettings = "";
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} // namespace
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class WebVttParserTest : public MediaHandlerTestBase {
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protected:
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void SetUpAndInitializeGraph(const char* text) {
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const char* kFilename = "memory://test-file";
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// Create the input file from the text passed to the test.
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ASSERT_TRUE(File::WriteStringToFile(kFilename, text));
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// Read from the file we just wrote.
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std::unique_ptr<FileReader> reader;
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ASSERT_OK(FileReader::Open(kFilename, &reader));
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parser_ = std::make_shared<WebVttParser>(std::move(reader));
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ASSERT_OK(MediaHandlerTestBase::SetUpAndInitializeGraph(
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parser_, kInputCount, kOutputCount));
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}
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std::shared_ptr<OriginHandler> parser_;
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};
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TEST_F(WebVttParserTest, FailToParseEmptyFile) {
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const char* text = "";
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ASSERT_NO_FATAL_FAILURE(SetUpAndInitializeGraph(text));
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EXPECT_CALL(*Output(kOutputIndex), OnProcess(testing::_)).Times(0);
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EXPECT_CALL(*Output(kOutputIndex), OnFlush(testing::_)).Times(0);
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ASSERT_NE(Status::OK, parser_->Run());
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}
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TEST_F(WebVttParserTest, ParseOnlyHeader) {
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const char* text =
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"WEBVTT\n"
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"\n";
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ASSERT_NO_FATAL_FAILURE(SetUpAndInitializeGraph(text));
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{
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testing::InSequence s;
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsStreamInfo(kStreamIndex, kTimeScale, !kEncrypted)));
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EXPECT_CALL(*Output(kOutputIndex), OnFlush(kStreamIndex));
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}
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ASSERT_OK(parser_->Run());
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}
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TEST_F(WebVttParserTest, ParseHeaderWithBOM) {
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const char* text =
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"\xFE\xFFWEBVTT\n"
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"\n";
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ASSERT_NO_FATAL_FAILURE(SetUpAndInitializeGraph(text));
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{
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testing::InSequence s;
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsStreamInfo(kStreamIndex, kTimeScale, !kEncrypted)));
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EXPECT_CALL(*Output(kOutputIndex), OnFlush(kStreamIndex));
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}
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ASSERT_OK(parser_->Run());
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}
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TEST_F(WebVttParserTest, FailToParseHeaderWrongWord) {
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const char* text =
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"NOT WEBVTT\n"
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"\n";
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ASSERT_NO_FATAL_FAILURE(SetUpAndInitializeGraph(text));
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EXPECT_CALL(*Output(kOutputIndex), OnProcess(testing::_)).Times(0);
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EXPECT_CALL(*Output(kOutputIndex), OnFlush(testing::_)).Times(0);
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ASSERT_NE(Status::OK, parser_->Run());
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}
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TEST_F(WebVttParserTest, FailToParseHeaderNotOneLine) {
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const char* text =
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"WEBVTT\n"
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"WEBVTT\n"
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"\n";
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ASSERT_NO_FATAL_FAILURE(SetUpAndInitializeGraph(text));
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EXPECT_CALL(*Output(kOutputIndex), OnProcess(testing::_)).Times(0);
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EXPECT_CALL(*Output(kOutputIndex), OnFlush(testing::_)).Times(0);
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ASSERT_NE(Status::OK, parser_->Run());
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}
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// TODO: Add style blocks support to WebVttParser.
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// This test is disabled until WebVTT parses STYLE blocks.
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TEST_F(WebVttParserTest, DISABLED_ParseStyleBlocks) {
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const char* text =
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"WEBVTT\n"
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"\n"
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"STYLE\n"
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"::cue {\n"
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" background-image: linear-gradient(to bottom, dimgray, lightgray);\n"
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" color: papayawhip;\n"
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"}";
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ASSERT_NO_FATAL_FAILURE(SetUpAndInitializeGraph(text));
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{
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testing::InSequence s;
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsStreamInfo(kStreamIndex, kTimeScale, !kEncrypted)));
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EXPECT_CALL(*Output(kOutputIndex), OnFlush(kStreamIndex));
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}
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ASSERT_OK(parser_->Run());
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}
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TEST_F(WebVttParserTest, ParseOneCue) {
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const char* text =
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"WEBVTT\n"
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"\n"
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"00:01:00.000 --> 01:00:00.000\n"
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"subtitle\n";
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ASSERT_NO_FATAL_FAILURE(SetUpAndInitializeGraph(text));
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{
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testing::InSequence s;
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsStreamInfo(kStreamIndex, kTimeScale, !kEncrypted)));
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsTextSample(kNoId, 60000u, 3600000u, kNoSettings,
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"subtitle")));
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EXPECT_CALL(*Output(kOutputIndex), OnFlush(kStreamIndex));
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}
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ASSERT_OK(parser_->Run());
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}
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TEST_F(WebVttParserTest, FailToParseCueWithArrowInId) {
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const char* text =
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"WEBVTT\n"
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"\n"
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"-->\n"
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"00:01:00.000 --> 01:00:00.000\n"
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"subtitle\n";
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ASSERT_NO_FATAL_FAILURE(SetUpAndInitializeGraph(text));
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ASSERT_NE(Status::OK, parser_->Run());
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}
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TEST_F(WebVttParserTest, ParseOneCueWithId) {
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const char* text =
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"WEBVTT\n"
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"\n"
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"id\n"
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"00:01:00.000 --> 01:00:00.000\n"
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"subtitle\n";
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ASSERT_NO_FATAL_FAILURE(SetUpAndInitializeGraph(text));
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{
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testing::InSequence s;
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsStreamInfo(kStreamIndex, kTimeScale, !kEncrypted)));
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsTextSample("id", 60000u, 3600000u, kNoSettings,
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"subtitle")));
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EXPECT_CALL(*Output(kOutputIndex), OnFlush(kStreamIndex));
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}
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ASSERT_OK(parser_->Run());
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}
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TEST_F(WebVttParserTest, ParseOneCueWithSettings) {
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const char* text =
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"WEBVTT\n"
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"\n"
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"00:01:00.000 --> 01:00:00.000 size:50%\n"
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"subtitle\n";
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ASSERT_NO_FATAL_FAILURE(SetUpAndInitializeGraph(text));
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{
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testing::InSequence s;
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsStreamInfo(kStreamIndex, kTimeScale, !kEncrypted)));
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsTextSample(kNoId, 60000u, 3600000u, "size:50%",
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"subtitle")));
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EXPECT_CALL(*Output(kOutputIndex), OnFlush(kStreamIndex));
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}
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ASSERT_OK(parser_->Run());
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}
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// Verify that a typical case with mulitple cues work.
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TEST_F(WebVttParserTest, ParseMultipleCues) {
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const char* text =
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"WEBVTT\n"
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"\n"
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"00:00:01.000 --> 00:00:05.200\n"
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"subtitle A\n"
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"\n"
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"00:00:02.321 --> 00:00:07.000\n"
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"subtitle B\n"
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"\n"
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"00:00:05.800 --> 00:00:08.000\n"
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"subtitle C\n";
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ASSERT_NO_FATAL_FAILURE(SetUpAndInitializeGraph(text));
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{
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testing::InSequence s;
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsStreamInfo(kStreamIndex, kTimeScale, !kEncrypted)));
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsTextSample(kNoId, 1000u, 5200u, kNoSettings,
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"subtitle A")));
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsTextSample(kNoId, 2321u, 7000u, kNoSettings,
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"subtitle B")));
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsTextSample(kNoId, 5800u, 8000u, kNoSettings,
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"subtitle C")));
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EXPECT_CALL(*Output(kOutputIndex), OnFlush(kStreamIndex));
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}
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ASSERT_OK(parser_->Run());
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}
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// Verify that a typical case with mulitple cues work even when comments are
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// present.
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TEST_F(WebVttParserTest, ParseWithComments) {
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const char* text =
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"WEBVTT\n"
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"\n"
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"NOTE This is a one line comment\n"
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"\n"
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"00:00:01.000 --> 00:00:05.200\n"
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"subtitle A\n"
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"\n"
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"NOTE\n"
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"This is a multi-line comment\n"
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"\n"
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"00:00:02.321 --> 00:00:07.000\n"
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"subtitle B\n"
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"\n"
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"NOTE This is a single line comment that\n"
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"spans two lines\n"
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"\n"
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"NOTE\tThis is a comment that using a tab\n"
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"\n"
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"00:00:05.800 --> 00:00:08.000\n"
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"subtitle C\n";
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ASSERT_NO_FATAL_FAILURE(SetUpAndInitializeGraph(text));
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{
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testing::InSequence s;
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsStreamInfo(kStreamIndex, kTimeScale, !kEncrypted)));
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsTextSample(kNoId, 1000u, 5200u, kNoSettings,
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"subtitle A")));
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsTextSample(kNoId, 2321u, 7000u, kNoSettings,
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"subtitle B")));
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EXPECT_CALL(*Output(kOutputIndex),
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OnProcess(IsTextSample(kNoId, 5800u, 8000u, kNoSettings,
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"subtitle C")));
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EXPECT_CALL(*Output(kOutputIndex), OnFlush(kStreamIndex));
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}
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ASSERT_OK(parser_->Run());
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}
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} // namespace media
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} // namespace shaka
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