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ladybird/Tests/LibCompress/TestGzip.cpp

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Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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/*
* Copyright (c) 2020-2021, the SerenityOS developers.
*
Everything: Move to SPDX license identifiers in all files. SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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* SPDX-License-Identifier: BSD-2-Clause
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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*/
AK+Userland: Move AK/TestSuite.h into LibTest and rework Tests' CMake As many macros as possible are moved to Macros.h, while the macros to create a test case are moved to TestCase.h. TestCase is now the only user-facing header for creating a test case. TestSuite and its helpers have moved into a .cpp file. Instead of requiring a TEST_MAIN macro to be instantiated into the test file, a TestMain.cpp file is provided instead that will be linked against each test. This has the side effect that, if we wanted to have test cases split across multiple files, it's as simple as adding them all to the same executable. The test main should be portable to kernel mode as well, so if there's a set of tests that should be run in self-test mode in kernel space, we can accomodate that. A new serenity_test CMake function streamlines adding a new test with arguments for the test source file, subdirectory under /usr/Tests to install the test application and an optional list of libraries to link against the test application. To accomodate future test where the provided TestMain.cpp is not suitable (e.g. test-js), a CUSTOM_MAIN parameter can be passed to the function to not link against the boilerplate main function.
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#include <LibTest/TestCase.h>
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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#include <AK/Array.h>
#include <AK/Random.h>
#include <LibCompress/Gzip.h>
TEST_CASE(gzip_decompress_simple)
{
Everywhere: Run clang-format
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Array<u8, 33> const compressed {
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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0x1f, 0x8b, 0x08, 0x00, 0x77, 0xff, 0x47, 0x5f, 0x02, 0xff, 0x2b, 0xcf,
0x2f, 0x4a, 0x31, 0x54, 0x48, 0x4c, 0x4a, 0x56, 0x28, 0x07, 0xb2, 0x8c,
0x00, 0xc2, 0x1d, 0x22, 0x15, 0x0f, 0x00, 0x00, 0x00
};
Everywhere: Run clang-format The following command was used to clang-format these files: clang-format-18 -i $(find . \ -not \( -path "./\.*" -prune \) \ -not \( -path "./Base/*" -prune \) \ -not \( -path "./Build/*" -prune \) \ -not \( -path "./Toolchain/*" -prune \) \ -not \( -path "./Ports/*" -prune \) \ -type f -name "*.cpp" -o -name "*.mm" -o -name "*.h") There are a couple of weird cases where clang-format now thinks that a pointer access in an initializer list, e.g. `m_member(ptr->foo)`, is a lambda return statement, and it puts spaces around the `->`.
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u8 const uncompressed[] = "word1 abc word2";
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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Everywhere: Run clang-format
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auto const decompressed = Compress::GzipDecompressor::decompress_all(compressed);
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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EXPECT(decompressed.value().bytes() == (ReadonlyBytes { uncompressed, sizeof(uncompressed) - 1 }));
}
TEST_CASE(gzip_decompress_multiple_members)
{
Everywhere: Run clang-format
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Array<u8, 52> const compressed {
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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0x1f, 0x8b, 0x08, 0x00, 0xe0, 0x03, 0x48, 0x5f, 0x02, 0xff, 0x4b, 0x4c,
0x4a, 0x4e, 0x4c, 0x4a, 0x06, 0x00, 0x4c, 0x99, 0x6e, 0x72, 0x06, 0x00,
0x00, 0x00, 0x1f, 0x8b, 0x08, 0x00, 0xe0, 0x03, 0x48, 0x5f, 0x02, 0xff,
0x4b, 0x4c, 0x4a, 0x4e, 0x4c, 0x4a, 0x06, 0x00, 0x4c, 0x99, 0x6e, 0x72,
0x06, 0x00, 0x00, 0x00
};
Everywhere: Run clang-format The following command was used to clang-format these files: clang-format-18 -i $(find . \ -not \( -path "./\.*" -prune \) \ -not \( -path "./Base/*" -prune \) \ -not \( -path "./Build/*" -prune \) \ -not \( -path "./Toolchain/*" -prune \) \ -not \( -path "./Ports/*" -prune \) \ -type f -name "*.cpp" -o -name "*.mm" -o -name "*.h") There are a couple of weird cases where clang-format now thinks that a pointer access in an initializer list, e.g. `m_member(ptr->foo)`, is a lambda return statement, and it puts spaces around the `->`.
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u8 const uncompressed[] = "abcabcabcabc";
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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Everywhere: Run clang-format
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auto const decompressed = Compress::GzipDecompressor::decompress_all(compressed);
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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EXPECT(decompressed.value().bytes() == (ReadonlyBytes { uncompressed, sizeof(uncompressed) - 1 }));
}
TEST_CASE(gzip_decompress_zeroes)
{
Everywhere: Run clang-format
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Array<u8, 161> const compressed {
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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0x1f, 0x8b, 0x08, 0x00, 0x6e, 0x7a, 0x4b, 0x5f, 0x02, 0xff, 0xed, 0xc1,
0x31, 0x01, 0x00, 0x00, 0x00, 0xc2, 0xa0, 0xf5, 0x4f, 0xed, 0x61, 0x0d,
0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6e, 0xcd, 0xcd, 0xe8,
0x7e, 0x00, 0x00, 0x02, 0x00
};
Everywhere: Run clang-format
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Array<u8, 128 * 1024> const uncompressed = { 0 };
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
2021-04-18 02:20:56 +00:00
Everywhere: Run clang-format
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auto const decompressed = Compress::GzipDecompressor::decompress_all(compressed);
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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EXPECT(uncompressed == decompressed.value().bytes());
}
TEST_CASE(gzip_decompress_repeat_around_buffer)
{
Everywhere: Run clang-format
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Array<u8, 70> const compressed {
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
2021-04-18 02:20:56 +00:00
0x1f, 0x8b, 0x08, 0x00, 0xc6, 0x74, 0x53, 0x5f, 0x02, 0xff, 0xed, 0xc1,
0x01, 0x0d, 0x00, 0x00, 0x0c, 0x02, 0xa0, 0xdb, 0xbf, 0xf4, 0x37, 0x6b,
0x08, 0x24, 0xdb, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xca,
0xb8, 0x07, 0xcd, 0xe5, 0x38, 0xfa, 0x00, 0x80, 0x00, 0x00
};
Array<u8, 0x8000> uncompressed;
uncompressed.span().slice(0x0000, 0x0100).fill(1);
uncompressed.span().slice(0x0100, 0x7e00).fill(0);
uncompressed.span().slice(0x7f00, 0x0100).fill(1);
Everywhere: Run clang-format
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auto const decompressed = Compress::GzipDecompressor::decompress_all(compressed);
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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EXPECT(uncompressed == decompressed.value().bytes());
}
TEST_CASE(gzip_round_trip)
{
Everywhere: Make ByteBuffer::{create_*,copy}() OOM-safe
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auto original = ByteBuffer::create_uninitialized(1024).release_value();
AK+Everywhere: Change AK::fill_with_random to accept a Bytes object Rather than the very C-like API we currently have, accepting a void* and a length, let's take a Bytes object instead. In almost all existing cases, the compiler figures out the length.
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fill_with_random(original);
Tests: Prefer TRY_OR_FAIL() and MUST() over EXPECT(!.is_error()) Note that in some cases (in particular SQL::Result and PDFErrorOr), there is no Formatter defined for the error type, hence TRY_OR_FAIL cannot work as-is. Furthermore, this commit leaves untouched the places where MUST could be replaced by TRY_OR_FAIL. Inspired by: https://github.com/SerenityOS/serenity/pull/18710#discussion_r1186892445
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auto compressed = TRY_OR_FAIL(Compress::GzipCompressor::compress_all(original));
auto uncompressed = TRY_OR_FAIL(Compress::GzipDecompressor::decompress_all(compressed));
EXPECT(uncompressed == original);
Tests: Reorganize LibCompress unit tests Move LibCompress unit tests to LibCompress/Tests directory and register them with CMake's add_test. This allows us to run these tests with ninja test instead of running a separate executable. Also split the existing tests in 3 test files that better follow the source code structure (inspired by AK tests).
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}
LibCompress: Error on truncated uncompressed DEFLATE blocks
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TEST_CASE(gzip_truncated_uncompressed_block)
{
Array<u8, 38> const compressed {
0x1F, 0x8B, 0x08, 0x13, 0x5D, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x85, 0x1C,
0x1C, 0xFF, 0xDB, 0xFB, 0xFF, 0xDB
};
auto const decompressed_or_error = Compress::GzipDecompressor::decompress_all(compressed);
EXPECT(decompressed_or_error.is_error());
}
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