base/stringize_macros_unittest.cc

   1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // Unit tests for stringize_macros.h
   6
   7 #include "base/stringize_macros.h"
   8
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11 // Macros as per documentation in header file.
  12 #define PREPROCESSOR_UTIL_UNITTEST_A FOO
  13 #define PREPROCESSOR_UTIL_UNITTEST_B(x) myobj->FunctionCall(x)
  14 #define PREPROCESSOR_UTIL_UNITTEST_C "foo"
  15
  16 TEST(StringizeTest, Ansi) {
  17   EXPECT_STREQ(
  18       "PREPROCESSOR_UTIL_UNITTEST_A",
  19       STRINGIZE_NO_EXPANSION(PREPROCESSOR_UTIL_UNITTEST_A));
  20   EXPECT_STREQ(
  21       "PREPROCESSOR_UTIL_UNITTEST_B(y)",
  22       STRINGIZE_NO_EXPANSION(PREPROCESSOR_UTIL_UNITTEST_B(y)));
  23   EXPECT_STREQ(
  24       "PREPROCESSOR_UTIL_UNITTEST_C",
  25       STRINGIZE_NO_EXPANSION(PREPROCESSOR_UTIL_UNITTEST_C));
  26
  27   EXPECT_STREQ("FOO", STRINGIZE(PREPROCESSOR_UTIL_UNITTEST_A));
  28   EXPECT_STREQ("myobj->FunctionCall(y)",
  29                STRINGIZE(PREPROCESSOR_UTIL_UNITTEST_B(y)));
  30   EXPECT_STREQ("\"foo\"", STRINGIZE(PREPROCESSOR_UTIL_UNITTEST_C));
  31 }
  32
  33 #if defined(OS_WIN)
  34
  35 TEST(StringizeTest, Wide) {
  36   EXPECT_STREQ(
  37       L"PREPROCESSOR_UTIL_UNITTEST_A",
  38       LSTRINGIZE_NO_EXPANSION(PREPROCESSOR_UTIL_UNITTEST_A));
  39   EXPECT_STREQ(
  40       L"PREPROCESSOR_UTIL_UNITTEST_B(y)",
  41       LSTRINGIZE_NO_EXPANSION(PREPROCESSOR_UTIL_UNITTEST_B(y)));
  42   EXPECT_STREQ(
  43       L"PREPROCESSOR_UTIL_UNITTEST_C",
  44       LSTRINGIZE_NO_EXPANSION(PREPROCESSOR_UTIL_UNITTEST_C));
  45
  46   EXPECT_STREQ(L"FOO", LSTRINGIZE(PREPROCESSOR_UTIL_UNITTEST_A));
  47   EXPECT_STREQ(L"myobj->FunctionCall(y)",
  48                LSTRINGIZE(PREPROCESSOR_UTIL_UNITTEST_B(y)));
  49   EXPECT_STREQ(L"\"foo\"", LSTRINGIZE(PREPROCESSOR_UTIL_UNITTEST_C));
  50 }
  51
  52 TEST(ToLStringTest, Main) {
  53   EXPECT_STREQ(L"blat", TO_L_STRING_NO_EXPANSION("blat"));
  54
  55   EXPECT_STREQ(L"foo", TO_L_STRING(PREPROCESSOR_UTIL_UNITTEST_C));
  56   EXPECT_STREQ(L"blat", TO_L_STRING("blat"));
  57 }
  58
  59 #endif  // defined(OS_WIN)