aosp12/external/bsdiff/brotli_compressor_unittest.cc

56 lines
2.0 KiB
C++

// Copyright 2017 The Chromium OS 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 "bsdiff/brotli_compressor.h"
#include <gtest/gtest.h>
#include "bsdiff/brotli_decompressor.h"
namespace {
constexpr uint8_t kHelloWorld[] = {
0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x57, 0x6f, 0x72, 0x6c, 0x64, 0x0a,
};
} // namespace
namespace bsdiff {
TEST(BrotliCompressorTest, BrotliCompressorSmoke) {
BrotliCompressor brotli_compressor(11);
EXPECT_TRUE(brotli_compressor.Write(kHelloWorld, sizeof(kHelloWorld)));
EXPECT_TRUE(brotli_compressor.Finish());
std::vector<uint8_t> compressed_data = brotli_compressor.GetCompressedData();
EXPECT_GT(compressed_data.size(), static_cast<size_t>(0));
// Run decompressor and check we can get the exact same data as kHelloWorld.
std::vector<uint8_t> decompressed_data(sizeof(kHelloWorld));
BrotliDecompressor brotli_decompressor;
EXPECT_TRUE(brotli_decompressor.SetInputData(compressed_data.data(),
compressed_data.size()));
EXPECT_TRUE(
brotli_decompressor.Read(decompressed_data.data(), sizeof(kHelloWorld)));
EXPECT_TRUE(brotli_decompressor.Close());
EXPECT_EQ(
std::vector<uint8_t>(kHelloWorld, kHelloWorld + sizeof(kHelloWorld)),
decompressed_data);
}
TEST(BrotliCompressorTest, BrotliCompressorEmptyStream) {
uint8_t unused_value = 0;
BrotliCompressor brotli_compressor(11);
EXPECT_TRUE(brotli_compressor.Write(&unused_value, 0));
EXPECT_TRUE(brotli_compressor.Finish());
std::vector<uint8_t> compressed_data = brotli_compressor.GetCompressedData();
// Check that we can close the decompressor without errors.
BrotliDecompressor brotli_decompressor;
EXPECT_TRUE(brotli_decompressor.SetInputData(compressed_data.data(),
compressed_data.size()));
EXPECT_TRUE(brotli_decompressor.Close());
}
} // namespace bsdiff