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Tests: Prefer TRY_OR_FAIL() and MUST() over EXPECT(!.is_error())

Browse source 
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
This commit is contained in:
Ben Wiederhake 2023-05-07 20:14:06 +02:00 • committed by Andrew Kaster
parent 87a7299078
commit f890b70eae
23 changed files with 415 additions and 742 deletions
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27
Tests/LibCompress/TestDeflate.cpp
View file

@ -116,11 +116,9 @@ TEST_CASE(deflate_round_trip_store)
{
auto original = ByteBuffer::create_uninitialized(1024).release_value();
fill_with_random(original);
auto compressed = Compress::DeflateCompressor::compress_all(original, Compress::DeflateCompressor::CompressionLevel::STORE);
EXPECT(!compressed.is_error());
auto uncompressed = Compress::DeflateDecompressor::decompress_all(compressed.value());
EXPECT(!uncompressed.is_error());
EXPECT(uncompressed.value() == original);
auto compressed = TRY_OR_FAIL(Compress::DeflateCompressor::compress_all(original, Compress::DeflateCompressor::CompressionLevel::STORE));
auto uncompressed = TRY_OR_FAIL(Compress::DeflateDecompressor::decompress_all(compressed));
EXPECT(uncompressed == original);
}
TEST_CASE(deflate_round_trip_compress)
@ -128,11 +126,9 @@ TEST_CASE(deflate_round_trip_compress)
auto original = ByteBuffer::create_zeroed(2048).release_value();
fill_with_random(original.bytes().trim(1024)); // we pre-filled the second half with 0s to make sure we test back references as well
// Since the different levels just change how much time is spent looking for better matches, just use fast here to reduce test time
auto compressed = Compress::DeflateCompressor::compress_all(original, Compress::DeflateCompressor::CompressionLevel::FAST);
EXPECT(!compressed.is_error());
auto uncompressed = Compress::DeflateDecompressor::decompress_all(compressed.value());
EXPECT(!uncompressed.is_error());
EXPECT(uncompressed.value() == original);
auto compressed = TRY_OR_FAIL(Compress::DeflateCompressor::compress_all(original, Compress::DeflateCompressor::CompressionLevel::FAST));
auto uncompressed = TRY_OR_FAIL(Compress::DeflateDecompressor::decompress_all(compressed));
EXPECT(uncompressed == original);
}
TEST_CASE(deflate_round_trip_compress_large)
@ -141,17 +137,14 @@ TEST_CASE(deflate_round_trip_compress_large)
auto original = ByteBuffer::create_uninitialized(size).release_value(); // Compress a buffer larger than the maximum block size to test the sliding window mechanism
fill_with_random(original);
// Since the different levels just change how much time is spent looking for better matches, just use fast here to reduce test time
auto compressed = Compress::DeflateCompressor::compress_all(original, Compress::DeflateCompressor::CompressionLevel::FAST);
EXPECT(!compressed.is_error());
auto uncompressed = Compress::DeflateDecompressor::decompress_all(compressed.value());
EXPECT(!uncompressed.is_error());
EXPECT(uncompressed.value() == original);
auto compressed = TRY_OR_FAIL(Compress::DeflateCompressor::compress_all(original, Compress::DeflateCompressor::CompressionLevel::FAST));
auto uncompressed = TRY_OR_FAIL(Compress::DeflateDecompressor::decompress_all(compressed));
EXPECT(uncompressed == original);
}
TEST_CASE(deflate_compress_literals)
{
// This byte array is known to not produce any back references with our lz77 implementation even at the highest compression settings
Array<u8, 0x13> test { 0, 0, 0, 0, 0x72, 0, 0, 0xee, 0, 0, 0, 0x26, 0, 0, 0, 0x28, 0, 0, 0x72 };
auto compressed = Compress::DeflateCompressor::compress_all(test, Compress::DeflateCompressor::CompressionLevel::GOOD);
EXPECT(!compressed.is_error());
auto compressed = TRY_OR_FAIL(Compress::DeflateCompressor::compress_all(test, Compress::DeflateCompressor::CompressionLevel::GOOD));
}

8
Tests/LibCompress/TestGzip.cpp
View file

@ -89,11 +89,9 @@ TEST_CASE(gzip_round_trip)
{
auto original = ByteBuffer::create_uninitialized(1024).release_value();
fill_with_random(original);
auto compressed = Compress::GzipCompressor::compress_all(original);
EXPECT(!compressed.is_error());
auto uncompressed = Compress::GzipDecompressor::decompress_all(compressed.value());
EXPECT(!uncompressed.is_error());
EXPECT(uncompressed.value() == original);
auto compressed = TRY_OR_FAIL(Compress::GzipCompressor::compress_all(original));
auto uncompressed = TRY_OR_FAIL(Compress::GzipDecompressor::decompress_all(compressed));
EXPECT(uncompressed == original);
}
TEST_CASE(gzip_truncated_uncompressed_block)