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/*
* Copyright (c) 2021, Itamar S. <itamar8910@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/LexicalPath.h>
#include <LibCore/Directory.h>
#include <LibCore/File.h>
#include <LibCpp/Parser.h>
#include <LibTest/TestCase.h>
constexpr StringView TESTS_ROOT_DIR = "/home/anon/Tests/cpp-tests/preprocessor"sv;
static DeprecatedString read_all(DeprecatedString const& path)
{
auto file = MUST(Core::File::open(path, Core::File::OpenMode::Read));
auto file_size = MUST(file->size());
auto content = MUST(ByteBuffer::create_uninitialized(file_size));
MUST(file->read_until_filled(content.bytes()));
return DeprecatedString { content.bytes() };
}
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(".cpp"sv))
return IterationDecision::Continue;
outln("Checking {}...", path.basename());
auto file_path = path.string();
auto ast_file_path = DeprecatedString::formatted("{}.txt", file_path.substring(0, file_path.length() - sizeof(".cpp") + 1));
auto source = read_all(file_path);
auto target = read_all(ast_file_path);
StringView source_view(source);
Cpp::Preprocessor preprocessor(file_path, source_view);
auto target_lines = target.split_view('\n');
auto tokens = preprocessor.process_and_lex();
EXPECT_EQ(tokens.size(), target_lines.size());
for (size_t i = 0; i < tokens.size(); ++i) {
EXPECT_EQ(tokens[i].to_deprecated_string(), target_lines[i]);
}
return IterationDecision::Continue;
}));
}
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