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//===- unittests/Frontend/CompilerInvocationTest.cpp - CI tests //---------===//
//
// 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 "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/CompilerInstance.h"
#include "llvm/Support/Host.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace clang;
using ::testing::Contains;
using ::testing::Each;
using ::testing::StrEq;
using ::testing::StrNe;
namespace {
class CC1CommandLineGenerationTest : public ::testing::Test {
public:
IntrusiveRefCntPtr<DiagnosticsEngine> Diags;
SmallVector<const char *, 32> GeneratedArgs;
SmallVector<std::string, 32> GeneratedArgsStorage;
const char *operator()(const Twine &Arg) {
return GeneratedArgsStorage.emplace_back(Arg.str()).c_str();
}
CC1CommandLineGenerationTest()
: Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions())) {}
};
TEST_F(CC1CommandLineGenerationTest, CanGenerateCC1CommandLineFlag) {
const char *Args[] = {"clang", "-xc++", "-fmodules-strict-context-hash", "-"};
CompilerInvocation CInvok;
CompilerInvocation::CreateFromArgs(CInvok, Args, *Diags);
CInvok.generateCC1CommandLine(GeneratedArgs, *this);
ASSERT_THAT(GeneratedArgs, Contains(StrEq("-fmodules-strict-context-hash")));
}
TEST_F(CC1CommandLineGenerationTest, CanGenerateCC1CommandLineSeparate) {
const char *TripleCStr = "i686-apple-darwin9";
const char *Args[] = {"clang", "-xc++", "-triple", TripleCStr, "-"};
CompilerInvocation CInvok;
CompilerInvocation::CreateFromArgs(CInvok, Args, *Diags);
CInvok.generateCC1CommandLine(GeneratedArgs, *this);
ASSERT_THAT(GeneratedArgs, Contains(StrEq(TripleCStr)));
}
TEST_F(CC1CommandLineGenerationTest,
CanGenerateCC1CommandLineSeparateRequiredPresent) {
const std::string DefaultTriple =
llvm::Triple::normalize(llvm::sys::getDefaultTargetTriple());
const char *Args[] = {"clang", "-xc++", "-triple", DefaultTriple.c_str(),
"-"};
CompilerInvocation CInvok;
CompilerInvocation::CreateFromArgs(CInvok, Args, *Diags);
CInvok.generateCC1CommandLine(GeneratedArgs, *this);
// Triple should always be emitted even if it is the default
ASSERT_THAT(GeneratedArgs, Contains(StrEq(DefaultTriple.c_str())));
}
TEST_F(CC1CommandLineGenerationTest,
CanGenerateCC1CommandLineSeparateRequiredAbsent) {
const std::string DefaultTriple =
llvm::Triple::normalize(llvm::sys::getDefaultTargetTriple());
const char *Args[] = {"clang", "-xc++", "-"};
CompilerInvocation CInvok;
CompilerInvocation::CreateFromArgs(CInvok, Args, *Diags);
CInvok.generateCC1CommandLine(GeneratedArgs, *this);
// Triple should always be emitted even if it is the default
ASSERT_THAT(GeneratedArgs, Contains(StrEq(DefaultTriple.c_str())));
}
TEST_F(CC1CommandLineGenerationTest, CanGenerateCC1CommandLineSeparateEnum) {
const char *RelocationModelCStr = "static";
const char *Args[] = {"clang", "-xc++", "-mrelocation-model",
RelocationModelCStr, "-"};
CompilerInvocation CInvok;
CompilerInvocation::CreateFromArgs(CInvok, Args, *Diags);
CInvok.generateCC1CommandLine(GeneratedArgs, *this);
// Non default relocation model
ASSERT_THAT(GeneratedArgs, Contains(StrEq(RelocationModelCStr)));
GeneratedArgs.clear();
RelocationModelCStr = "pic";
Args[3] = RelocationModelCStr;
CompilerInvocation CInvok1;
CompilerInvocation::CreateFromArgs(CInvok1, Args, *Diags);
CInvok1.generateCC1CommandLine(GeneratedArgs, *this);
ASSERT_THAT(GeneratedArgs, Each(StrNe(RelocationModelCStr)));
}
} // anonymous namespace
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