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67 lines
2.0 KiB
67 lines
2.0 KiB
// Copyright 2018 The Chromium OS Authors. 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 "bsdiff/brotli_decompressor.h"
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#include <memory>
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#include <string>
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#include <vector>
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#include <gtest/gtest.h>
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namespace {
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// echo -n "Hello!" | brotli -9 | hexdump -v -e '" " 11/1 "0x%02x, " "\n"'
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constexpr uint8_t kBrotliHello[] = {
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0x8b, 0x02, 0x80, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x21, 0x03,
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};
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} // namespace
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namespace bsdiff {
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class BrotliDecompressorTest : public testing::Test {
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protected:
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void SetUp() {
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decompressor_.reset(new BrotliDecompressor());
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EXPECT_NE(nullptr, decompressor_.get());
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}
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std::unique_ptr<BrotliDecompressor> decompressor_;
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};
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TEST_F(BrotliDecompressorTest, SmokeTest) {
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EXPECT_TRUE(decompressor_->SetInputData(kBrotliHello, sizeof(kBrotliHello)));
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std::vector<uint8_t> output_data(6);
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EXPECT_TRUE(decompressor_->Read(output_data.data(), output_data.size()));
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std::string hello = "Hello!";
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EXPECT_EQ(std::vector<uint8_t>(hello.begin(), hello.end()), output_data);
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}
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TEST_F(BrotliDecompressorTest, ReadingFromEmptyFileTest) {
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uint8_t data = 0;
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EXPECT_TRUE(decompressor_->SetInputData(&data, 0));
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uint8_t output_data[10];
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EXPECT_FALSE(decompressor_->Read(output_data, sizeof(output_data)));
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}
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// Check that we fail to read from a truncated file.
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TEST_F(BrotliDecompressorTest, ReadingFromTruncatedFileTest) {
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// We feed only half of the compressed file.
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EXPECT_TRUE(
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decompressor_->SetInputData(kBrotliHello, sizeof(kBrotliHello) / 2));
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uint8_t output_data[6];
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EXPECT_FALSE(decompressor_->Read(output_data, sizeof(output_data)));
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}
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// Check that we fail to read more than it is available in the file.
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TEST_F(BrotliDecompressorTest, ReadingMoreThanAvailableTest) {
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EXPECT_TRUE(decompressor_->SetInputData(kBrotliHello, sizeof(kBrotliHello)));
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uint8_t output_data[1000];
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EXPECT_FALSE(decompressor_->Read(output_data, sizeof(output_data)));
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}
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} // namespace bsdiff
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