Alex Deymo | 338f340 | 2018-03-23 13:40:17 +0100 | [diff] [blame] | 1 | // Copyright 2018 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "bsdiff/brotli_decompressor.h" |
| 6 | |
| 7 | #include <memory> |
| 8 | #include <string> |
| 9 | #include <vector> |
| 10 | |
| 11 | #include <gtest/gtest.h> |
| 12 | |
| 13 | namespace { |
| 14 | |
| 15 | // echo -n "Hello!" | brotli -9 | hexdump -v -e '" " 11/1 "0x%02x, " "\n"' |
| 16 | constexpr uint8_t kBrotliHello[] = { |
| 17 | 0x8b, 0x02, 0x80, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x21, 0x03, |
| 18 | }; |
| 19 | |
| 20 | } // namespace |
| 21 | |
| 22 | namespace bsdiff { |
| 23 | |
| 24 | class BrotliDecompressorTest : public testing::Test { |
| 25 | protected: |
| 26 | void SetUp() { |
| 27 | decompressor_.reset(new BrotliDecompressor()); |
| 28 | EXPECT_NE(nullptr, decompressor_.get()); |
| 29 | } |
| 30 | |
| 31 | std::unique_ptr<BrotliDecompressor> decompressor_; |
| 32 | }; |
| 33 | |
| 34 | TEST_F(BrotliDecompressorTest, SmokeTest) { |
| 35 | EXPECT_TRUE(decompressor_->SetInputData(kBrotliHello, sizeof(kBrotliHello))); |
| 36 | std::vector<uint8_t> output_data(6); |
| 37 | EXPECT_TRUE(decompressor_->Read(output_data.data(), output_data.size())); |
| 38 | std::string hello = "Hello!"; |
| 39 | EXPECT_EQ(std::vector<uint8_t>(hello.begin(), hello.end()), output_data); |
| 40 | } |
| 41 | |
| 42 | TEST_F(BrotliDecompressorTest, ReadingFromEmptyFileTest) { |
| 43 | uint8_t data = 0; |
| 44 | EXPECT_TRUE(decompressor_->SetInputData(&data, 0)); |
| 45 | |
| 46 | uint8_t output_data[10]; |
| 47 | EXPECT_FALSE(decompressor_->Read(output_data, sizeof(output_data))); |
| 48 | } |
| 49 | |
| 50 | // Check that we fail to read from a truncated file. |
| 51 | TEST_F(BrotliDecompressorTest, ReadingFromTruncatedFileTest) { |
| 52 | // We feed only half of the compressed file. |
| 53 | EXPECT_TRUE( |
| 54 | decompressor_->SetInputData(kBrotliHello, sizeof(kBrotliHello) / 2)); |
| 55 | uint8_t output_data[6]; |
| 56 | EXPECT_FALSE(decompressor_->Read(output_data, sizeof(output_data))); |
| 57 | } |
| 58 | |
| 59 | // Check that we fail to read more than it is available in the file. |
| 60 | TEST_F(BrotliDecompressorTest, ReadingMoreThanAvailableTest) { |
| 61 | EXPECT_TRUE(decompressor_->SetInputData(kBrotliHello, sizeof(kBrotliHello))); |
| 62 | uint8_t output_data[1000]; |
| 63 | EXPECT_FALSE(decompressor_->Read(output_data, sizeof(output_data))); |
| 64 | } |
| 65 | |
| 66 | } // namespace bsdiff |