57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
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// Copyright (c) 2013 Google Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "media/mp4/sync_sample_iterator.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace {
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const uint32 kNumSamples = 100;
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const uint32 kSyncSamples[] = {3, 10, 30, 35, 89, 97};
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// Check if sample is an element in kSyncSamples.
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bool InSyncSamples(uint32 sample) {
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for (uint32 i = 0; i < sizeof(kSyncSamples) / sizeof(uint32); ++i) {
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if (sample == kSyncSamples[i])
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return true;
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}
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return false;
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}
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} // namespace
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namespace media {
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namespace mp4 {
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TEST(SyncSampleIteratorTest, EmptySyncSample) {
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SyncSample sync_sample;
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SyncSampleIterator iterator(sync_sample);
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EXPECT_TRUE(iterator.IsSyncSample());
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EXPECT_TRUE(iterator.IsSyncSample(kNumSamples));
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}
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TEST(SyncSampleIteratorTest, SyncSample) {
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SyncSample sync_sample;
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sync_sample.sample_number.assign(
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kSyncSamples, kSyncSamples + sizeof(kSyncSamples) / sizeof(uint32));
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SyncSampleIterator iterator(sync_sample);
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uint32 i = 1;
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// Check if it is sync sample using SyncSampleIterator::AdvanceSample() and
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// SyncSampleIterator::IsSyncSample().
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for (; i <= kNumSamples / 2; ++i) {
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ASSERT_EQ(InSyncSamples(i), iterator.IsSyncSample());
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ASSERT_TRUE(iterator.AdvanceSample());
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}
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// Check if it is sync sample using SyncSampleIterator::IsSyncSample(uint32).
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// No need to advance sample for this case.
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for (; i <= kNumSamples / 2; ++i) {
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ASSERT_EQ(InSyncSamples(i), iterator.IsSyncSample(i));
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}
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}
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} // namespace mp4
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} // namespace media
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