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//===- lld/unittest/WinLinkDriverTest.cpp ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief Windows link.exe driver tests.
///
//===----------------------------------------------------------------------===//
#include <stdarg.h>
#include "gtest/gtest.h"
#include "lld/Driver/Driver.h"
#include "lld/Driver/LinkerInput.h"
#include "lld/ReaderWriter/PECOFFTargetInfo.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/COFF.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
using namespace lld;
namespace {
class ParserTest : public testing::Test {
protected:
void SetUp() {
os.reset(new raw_string_ostream(diags));
}
void parse(const char *args, ...) {
std::vector<const char *> vec;
vec.push_back("link.exe");
vec.push_back(args);
va_list ap;
va_start(ap, args);
while (const char *arg = va_arg(ap, const char *))
vec.push_back(arg);
va_end(ap);
EXPECT_FALSE(WinLinkDriver::parse(vec.size(), &vec[0], info, *os));
}
PECOFFTargetInfo info;
std::string diags;
std::unique_ptr<raw_string_ostream> os;
};
TEST_F(ParserTest, Basic) {
parse("-subsystem", "console", "-out", "a.exe", "a.obj", "b.obj", "c.obj",
nullptr);
EXPECT_EQ(llvm::COFF::IMAGE_SUBSYSTEM_WINDOWS_CUI, info.getSubsystem());
EXPECT_EQ("a.exe", info.outputPath());
const std::vector<LinkerInput> &inputFiles = info.inputFiles();
EXPECT_EQ((size_t)3, inputFiles.size());
EXPECT_EQ("a.obj", inputFiles[0].getPath());
EXPECT_EQ("b.obj", inputFiles[1].getPath());
EXPECT_EQ("c.obj", inputFiles[2].getPath());
}
TEST_F(ParserTest, NoFileEXtension) {
parse("foo", "bar", nullptr);
EXPECT_EQ("foo.exe", info.outputPath());
const std::vector<LinkerInput> &inputFiles = info.inputFiles();
EXPECT_EQ((size_t)2, inputFiles.size());
EXPECT_EQ("foo.obj", inputFiles[0].getPath());
EXPECT_EQ("bar.obj", inputFiles[1].getPath());
}
TEST_F(ParserTest, NonStandardFileExtension) {
parse("foo.o", nullptr);
EXPECT_EQ("foo.exe", info.outputPath());
const std::vector<LinkerInput> &inputFiles = info.inputFiles();
EXPECT_EQ((size_t)1, inputFiles.size());
EXPECT_EQ("foo.o", inputFiles[0].getPath());
}
} // end anonymous namespace