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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
551a6d385e
This handles toolchain failures per-file. The intent is to allow placing both "success" and "fail" tests in the same file, using splits. However, this PR only adds support and updates existing tests to continue passing.
42 lines
1.5 KiB
C++
42 lines
1.5 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 "llvm/ADT/StringRef.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/VirtualFileSystem.h"
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#include "toolchain/driver/driver.h"
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namespace Carbon::Testing {
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// NOLINTNEXTLINE: Match the documented fuzzer entry point declaration style.
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extern "C" int LLVMFuzzerTestOneInput(const unsigned char* data,
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std::size_t size) {
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// Ignore large inputs.
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// TODO: See tokenized_buffer_fuzzer.cpp.
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if (size > 100000) {
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return 0;
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}
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static constexpr llvm::StringLiteral TestFileName = "test.carbon";
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llvm::vfs::InMemoryFileSystem fs;
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llvm::StringRef data_ref(reinterpret_cast<const char*>(data), size);
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CARBON_CHECK(fs.addFile(
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TestFileName, /*ModificationTime=*/0,
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llvm::MemoryBuffer::getMemBuffer(data_ref, /*BufferName=*/TestFileName,
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/*RequiresNullTerminator=*/false)));
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llvm::raw_null_ostream null_ostream;
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Driver driver(fs, null_ostream, null_ostream);
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// TODO: Get checking to a point where it can handle invalid parse trees
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// without crashing.
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if (!driver.RunCommand({"compile", "--phase=parse", TestFileName}).success) {
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return 0;
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}
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driver.RunCommand({"compile", "--phase=check", TestFileName});
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return 0;
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}
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} // namespace Carbon::Testing
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