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carbon-lang/explorer/fuzzing/fuzzer_util_test.cpp
T

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1.8 KiB
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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "explorer/fuzzing/fuzzer_util.h"
#include <gmock/gmock.h>
#include <google/protobuf/text_format.h>
#include <gtest/gtest.h>
#include <fstream>
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/raw_ostream.h"
namespace Carbon::Testing {
namespace {
static std::vector<llvm::StringRef>* carbon_files = nullptr;
// A workaround for https://github.com/carbon-language/carbon-lang/issues/1208.
TEST(FuzzerUtilTest, RunFuzzerOnCorpus) {
int file_count = 0;
for (const llvm::StringRef f : *carbon_files) {
llvm::outs() << "Processing " << f << "\n";
std::ifstream file(f.str(), std::ios::in);
ASSERT_TRUE(file.is_open());
std::stringstream contents;
contents << file.rdbuf();
Fuzzing::Carbon carbon_proto;
ASSERT_TRUE(google::protobuf::TextFormat::ParseFromString(contents.str(),
&carbon_proto))
<< " couldn't parse text proto in " << f;
ParseAndExecute(carbon_proto.compilation_unit());
++file_count;
}
EXPECT_GT(file_count, 0);
}
TEST(FuzzerUtilTest, GetRunfilesFile) {
EXPECT_THAT(*Internal::GetRunfilesFile(
"carbon/explorer/fuzzing/fuzzer_corpus/empty.textproto"),
testing::EndsWith("/empty.textproto"));
EXPECT_THAT(Internal::GetRunfilesFile("nonexistent-file").error().message(),
testing::EndsWith("doesn't exist"));
}
} // namespace
} // namespace Carbon::Testing
auto main(int argc, char** argv) -> int {
::testing::InitGoogleTest(&argc, argv);
Carbon::Testing::carbon_files =
new std::vector<llvm::StringRef>(&argv[1], &argv[argc]);
return RUN_ALL_TESTS();
}