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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>
#include <unistd.h>
constexpr StringView TESTS_ROOT_DIR = "/home/anon/Tests/cpp-tests/parser"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("{}.ast", file_path.substring(0, file_path.length() - sizeof(".cpp") + 1));
auto source = read_all(file_path);
auto target_ast = read_all(ast_file_path);
StringView source_view(source);
Cpp::Preprocessor preprocessor(file_path, source_view);
Cpp::Parser parser(preprocessor.process_and_lex(), file_path);
auto root = parser.parse();
EXPECT(parser.errors().is_empty());
int pipefd[2] = {};
if (pipe(pipefd) < 0) {
perror("pipe");
exit(1);
}
FILE* input_stream = fdopen(pipefd[0], "r");
FILE* output_stream = fdopen(pipefd[1], "w");
root->dump(output_stream);
fclose(output_stream);
ByteBuffer buffer;
while (!feof(input_stream)) {
char chunk[4096];
size_t size = fread(chunk, sizeof(char), sizeof(chunk), input_stream);
if (size == 0)
break;
buffer.append(chunk, size);
}
fclose(input_stream);
DeprecatedString content { reinterpret_cast<char const*>(buffer.data()), buffer.size() };
auto equal = content == target_ast;
EXPECT(equal);
return IterationDecision::Continue;
}));
}
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