mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Jon Ross-Perkins
7a1d54f8e3
two_files.carbon has odd STDOUT placement, but will pursue that separately.
100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#include "testing/file_test/file_test_base.h"
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include "common/ostream.h"
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#include "llvm/ADT/StringExtras.h"
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namespace Carbon::Testing {
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namespace {
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using ::testing::Eq;
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// Helper to validate file content.
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static auto CheckFileContent(llvm::vfs::InMemoryFileSystem& fs,
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llvm::StringRef filename,
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llvm::StringRef expected_content)
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-> ErrorOr<Success> {
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auto file = fs.getBufferForFile(filename, /*FileSize=*/-1,
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/*RequiresNullTerminator=*/false);
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if (file.getError()) {
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return ErrorBuilder() << "Missing " << filename;
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}
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if (file->get()->getBuffer() != expected_content) {
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return ErrorBuilder() << "Unexpected file content for " << filename
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<< ".\n--- Actual:\n"
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<< file->get()->getBuffer() << "\n--- Expected:\n"
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<< expected_content << "\n---";
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}
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return Success();
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}
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class FileTestBaseTest : public FileTestBase {
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public:
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using FileTestBase::FileTestBase;
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auto Run(const llvm::SmallVector<llvm::StringRef>& test_args,
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llvm::vfs::InMemoryFileSystem& fs, llvm::raw_pwrite_stream& stdout,
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llvm::raw_pwrite_stream& stderr) -> ErrorOr<bool> override {
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if (!test_args.empty()) {
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llvm::ListSeparator sep;
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stdout << test_args.size() << " args: ";
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for (const auto& arg : test_args) {
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stdout << sep << "`" << arg << "`";
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}
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stdout << "\n";
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}
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auto filename = path().filename().string();
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if (filename == "two_files.carbon") {
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// Verify the split.
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CARBON_RETURN_IF_ERROR(CheckFileContent(
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fs, "a.carbon", "aaa\n// CHECK:STDOUT: a.carbon:[[@LINE-1]]: 1\n\n"));
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CARBON_RETURN_IF_ERROR(CheckFileContent(
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fs, "b.carbon", "bbb\n// CHECK:STDOUT: b.carbon:[[@LINE-1]]: 2\n"));
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} else {
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// Other files should be copied directly, so aren't as interesting.
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if (!fs.exists(filename)) {
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return ErrorBuilder() << "Missing file: " << filename;
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}
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}
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if (filename == "args.carbon") {
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return true;
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} else if (filename == "example.carbon") {
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int delta_line = 10;
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stdout << "something\n"
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<< "\n"
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<< "example.carbon:" << delta_line + 1 << ": Line delta\n"
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<< "example.carbon:" << delta_line << ": Negative line delta\n"
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<< "+*[]{}\n"
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<< "Foo baz\n";
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return true;
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} else if (filename == "fail_example.carbon") {
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stderr << "Oops\n";
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return false;
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} else if (filename == "two_files.carbon") {
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// Prints line numbers to validate per-file.
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stdout << "a.carbon:1: 1\nb.carbon:1: 2\n";
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return true;
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} else {
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return ErrorBuilder() << "Unexpected file: " << filename;
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}
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}
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auto GetDefaultArgs() -> llvm::SmallVector<std::string> override {
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return {"default_args", "%s"};
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}
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};
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} // namespace
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CARBON_FILE_TEST_FACTORY(FileTestBaseTest);
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} // namespace Carbon::Testing
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