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// Copyright 2015 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 <stdint.h>
#include "media/filters/vp9_raw_bits_reader.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
TEST(Vp9RawBitsReaderTest, ReadBool) {
uint8_t data[] = {0xf1};
Vp9RawBitsReader reader;
reader.Initialize(data, 1);
EXPECT_TRUE(reader.IsValid());
EXPECT_EQ(0u, reader.GetBytesRead());
EXPECT_TRUE(reader.ReadBool());
EXPECT_EQ(1u, reader.GetBytesRead());
EXPECT_TRUE(reader.ReadBool());
EXPECT_TRUE(reader.ReadBool());
EXPECT_TRUE(reader.ReadBool());
EXPECT_FALSE(reader.ReadBool());
EXPECT_FALSE(reader.ReadBool());
EXPECT_FALSE(reader.ReadBool());
EXPECT_TRUE(reader.ReadBool());
EXPECT_TRUE(reader.IsValid());
// The return value is undefined.
ignore_result(reader.ReadBool());
EXPECT_FALSE(reader.IsValid());
EXPECT_EQ(1u, reader.GetBytesRead());
}
TEST(Vp9RawBitsReader, ReadLiteral) {
uint8_t data[] = {0x3d, 0x67, 0x9a};
Vp9RawBitsReader reader;
reader.Initialize(data, 3);
EXPECT_TRUE(reader.IsValid());
EXPECT_EQ(0x03, reader.ReadLiteral(4));
EXPECT_EQ(0xd679, reader.ReadLiteral(16));
EXPECT_TRUE(reader.IsValid());
// The return value is undefined.
ignore_result(reader.ReadLiteral(8));
EXPECT_FALSE(reader.IsValid());
EXPECT_EQ(3u, reader.GetBytesRead());
}
TEST(Vp9RawBitsReader, ReadSignedLiteral) {
uint8_t data[] = {0x3d, 0x67, 0x9a};
Vp9RawBitsReader reader;
reader.Initialize(data, 3);
EXPECT_TRUE(reader.IsValid());
EXPECT_EQ(-0x03, reader.ReadSignedLiteral(4));
EXPECT_EQ(-0x5679, reader.ReadSignedLiteral(15));
EXPECT_TRUE(reader.IsValid());
// The return value is undefined.
ignore_result(reader.ReadSignedLiteral(7));
EXPECT_FALSE(reader.IsValid());
EXPECT_EQ(3u, reader.GetBytesRead());
}
} // namespace media
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