webrtc/system_wrappers/source/stringize_macros_unittest.cc

/*
 *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include "webrtc/system_wrappers/interface/stringize_macros.h"

#include "testing/gtest/include/gtest/gtest.h"

// Macros as per documentation in header file.
#define PREPROCESSOR_UTIL_UNITTEST_A FOO
#define PREPROCESSOR_UTIL_UNITTEST_B(x) myobj->FunctionCall(x)
#define PREPROCESSOR_UTIL_UNITTEST_C "foo"

TEST(StringizeTest, Ansi) {
  EXPECT_STREQ(
      "PREPROCESSOR_UTIL_UNITTEST_A",
      STRINGIZE_NO_EXPANSION(PREPROCESSOR_UTIL_UNITTEST_A));
  EXPECT_STREQ(
      "PREPROCESSOR_UTIL_UNITTEST_B(y)",
      STRINGIZE_NO_EXPANSION(PREPROCESSOR_UTIL_UNITTEST_B(y)));
  EXPECT_STREQ(
      "PREPROCESSOR_UTIL_UNITTEST_C",
      STRINGIZE_NO_EXPANSION(PREPROCESSOR_UTIL_UNITTEST_C));

  EXPECT_STREQ("FOO", STRINGIZE(PREPROCESSOR_UTIL_UNITTEST_A));
  EXPECT_STREQ("myobj->FunctionCall(y)",
               STRINGIZE(PREPROCESSOR_UTIL_UNITTEST_B(y)));
  EXPECT_STREQ("\"foo\"", STRINGIZE(PREPROCESSOR_UTIL_UNITTEST_C));
}