llvm-project/clang-tools-extra/clangd/unittests/CompilerTests.cpp

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//===-- CompilerTests.cpp -------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "Compiler.h"
#include "TestTU.h"
#include "clang/Lex/PreprocessorOptions.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace clang {
namespace clangd {
namespace {
using testing::IsEmpty;
TEST(BuildCompilerInvocation, DropsPCH) {
MockFS FS;
IgnoreDiagnostics Diags;
TestTU TU;
TU.AdditionalFiles["test.h.pch"] = "";
TU.ExtraArgs = {"-include-pch", "test.h.pch"};
EXPECT_THAT(buildCompilerInvocation(TU.inputs(FS), Diags)
->getPreprocessorOpts()
.ImplicitPCHInclude,
IsEmpty());
// Transparent include translation
TU.ExtraArgs = {"-include", "test.h"};
EXPECT_THAT(buildCompilerInvocation(TU.inputs(FS), Diags)
->getPreprocessorOpts()
.ImplicitPCHInclude,
IsEmpty());
// CL mode parsing.
TU.AdditionalFiles["test.pch"] = "";
TU.ExtraArgs = {"--driver-mode=cl"};
TU.ExtraArgs.push_back("/Yutest.h");
EXPECT_THAT(buildCompilerInvocation(TU.inputs(FS), Diags)
->getPreprocessorOpts()
.ImplicitPCHInclude,
IsEmpty());
EXPECT_THAT(buildCompilerInvocation(TU.inputs(FS), Diags)
->getPreprocessorOpts()
.PCHThroughHeader,
IsEmpty());
}
TEST(BuildCompilerInvocation, PragmaDebugCrash) {
TestTU TU = TestTU::withCode("#pragma clang __debug parser_crash");
TU.build(); // no-crash
}
} // namespace
} // namespace clangd
} // namespace clang