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LibGLSL: Add tests for GLSL parser

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Poseydon42 2023-07-23 23:10:25 +01:00 • committed by Jelle Raaijmakers
parent 29972876e4
commit d160ff2f8d
24 changed files with 368 additions and 0 deletions
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Tests/LibGLSL/test-parser.cpp Normal file
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/*
* Copyright (c) 2021, Itamar S. <itamar8910@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/LexicalPath.h>
#include <AK/MemoryStream.h>
#include <LibCore/Directory.h>
#include <LibCore/File.h>
#include <LibGLSL/Parser.h>
#include <LibTest/TestCase.h>
constexpr StringView TESTS_ROOT_DIR = "/home/anon/Tests/glsl-tests/parser"sv;
static String read_all(String const& path)
{
auto file = MUST(Core::File::open(path, Core::File::OpenMode::Read));
auto file_size = MUST(file->size());
return MUST(String::from_stream(*file, file_size));
}
TEST_CASE(test_regression)
{
MUST(Core::Directory::for_each_entry(TESTS_ROOT_DIR, Core::DirIterator::Flags::SkipDots, [](auto const& entry, auto const& directory) -> ErrorOr<IterationDecision> {
auto path = LexicalPath::join(directory.path().string(), entry.name);
if (!path.has_extension(".glsl"sv))
return IterationDecision::Continue;
outln("Checking {}...", path.basename());
String file_path = MUST(String::from_deprecated_string(path.string()));
auto ast_file_path = MUST(String::formatted("{}.ast", MUST(file_path.substring_from_byte_offset(0, file_path.bytes_as_string_view().length() - sizeof(".glsl") + 1))));
auto source = read_all(file_path);
auto target_ast = read_all(ast_file_path);
GLSL::Preprocessor preprocessor(file_path, source);
GLSL::Parser parser(MUST(preprocessor.process_and_lex()), file_path);
auto root = MUST(parser.parse());
EXPECT(parser.errors().is_empty());
Vector<uint8_t> memory;
memory.resize(8 * 1024 * 1024);
AK::FixedMemoryStream output_stream(memory.span());
MUST(root->dump(output_stream));
auto written_bytes = MUST(output_stream.tell());
MUST(output_stream.seek(0));
String content = MUST(String::from_stream(output_stream, written_bytes));
auto equal = content == target_ast;
EXPECT(equal);
if (!equal)
outln("Failed on {}", path.basename());
return IterationDecision::Continue;
}));
}