src/llvm-project/lld/unittests/AsLibAll/AllDrivers.cpp

//===- AllDrivers.cpp -------------------------------------------*- C++ -*-===//
//
// This file is licensed 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
//
//===----------------------------------------------------------------------===//
// This test shows a typical case where all LLD drivers are linked into the
// application binary. This is very similar to how lld.exe binary is linked,
// except that here we cleanup the internal LLD memory context after each call.
//===----------------------------------------------------------------------===//

#include "lld/Common/Driver.h"
#include "gmock/gmock.h"

LLD_HAS_DRIVER(coff)
LLD_HAS_DRIVER(elf)
LLD_HAS_DRIVER(mingw)
LLD_HAS_DRIVER(macho)
LLD_HAS_DRIVER(wasm)

static bool lldInvoke(std::vector<const char *> args) {
  args.push_back("--version");
  lld::Result r =
      lld::lldMain(args, llvm::outs(), llvm::errs(), LLD_ALL_DRIVERS);
  return !r.retCode && r.canRunAgain;
}

TEST(AsLib, AllDrivers) {
  EXPECT_TRUE(lldInvoke({"ld.lld"}));
  EXPECT_TRUE(lldInvoke({"ld64.lld"}));
  EXPECT_TRUE(lldInvoke({"ld", "-m", "i386pe"})); // MinGW
  EXPECT_TRUE(lldInvoke({"lld-link"}));
  EXPECT_TRUE(lldInvoke({"wasm-ld"}));
}