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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/formats/mp4/sample_to_group_iterator.h"
#include <stddef.h>
#include <stdint.h>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
namespace mp4 {
namespace {
const SampleToGroupEntry kCompactSampleToGroupTable[] =
{{10, 8}, {9, 5}, {25, 7}, {48, 63}, {8, 2}};
} // namespace
class SampleToGroupIteratorTest : public testing::Test {
public:
SampleToGroupIteratorTest() {
// Build sample group description index table from kSampleToGroupTable.
for (size_t i = 0; i < arraysize(kCompactSampleToGroupTable); ++i) {
for (uint32_t j = 0; j < kCompactSampleToGroupTable[i].sample_count;
++j) {
sample_to_group_table_.push_back(
kCompactSampleToGroupTable[i].group_description_index);
}
}
sample_to_group_.entries.assign(
kCompactSampleToGroupTable,
kCompactSampleToGroupTable + arraysize(kCompactSampleToGroupTable));
sample_to_group_iterator_.reset(
new SampleToGroupIterator(sample_to_group_));
}
protected:
std::vector<uint32_t> sample_to_group_table_;
SampleToGroup sample_to_group_;
scoped_ptr<SampleToGroupIterator> sample_to_group_iterator_;
private:
DISALLOW_COPY_AND_ASSIGN(SampleToGroupIteratorTest);
};
TEST_F(SampleToGroupIteratorTest, EmptyTable) {
SampleToGroup sample_to_group;
SampleToGroupIterator iterator(sample_to_group);
EXPECT_FALSE(iterator.IsValid());
}
TEST_F(SampleToGroupIteratorTest, Advance) {
ASSERT_EQ(sample_to_group_table_[0],
sample_to_group_iterator_->group_description_index());
for (uint32_t sample = 1; sample < sample_to_group_table_.size(); ++sample) {
ASSERT_TRUE(sample_to_group_iterator_->Advance());
ASSERT_EQ(sample_to_group_table_[sample],
sample_to_group_iterator_->group_description_index());
ASSERT_TRUE(sample_to_group_iterator_->IsValid());
}
ASSERT_FALSE(sample_to_group_iterator_->Advance());
ASSERT_FALSE(sample_to_group_iterator_->IsValid());
}
} // namespace mp4
} // namespace media
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