kc3-lang/angle/tests/preprocessor_tests/identifier_test.cpp

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• Hash : 1023bb55
  Author :
  Date : 2012-04-14T09:04:46
  

  Added tests for identifiers.
  Review URL: https://codereview.appspot.com/6038043
  
  git-svn-id: https://angleproject.googlecode.com/svn/trunk@1042 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• tests/preprocessor_tests/identifier_test.cpp

• //
  // Copyright (c) 2012 The ANGLE 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.
  //
  
  #include "gtest/gtest.h"
  #include "Preprocessor.h"
  #include "Token.h"
  
  static void PreprocessAndVerifyIdentifier(const char* str)
  {
      pp::Token token;
      pp::Preprocessor preprocessor;
      ASSERT_TRUE(preprocessor.init(1, &str, 0));
      EXPECT_EQ(pp::Token::IDENTIFIER, preprocessor.lex(&token));
      EXPECT_EQ(pp::Token::IDENTIFIER, token.type);
      EXPECT_STREQ(str, token.value.c_str());
  }
  
  #if GTEST_HAS_COMBINE
  
  typedef std::tr1::tuple<char, char> IdentifierParams;
  class IdentifierTest : public testing::TestWithParam<IdentifierParams>
  {
  };
  
  // This test covers identifier names of form [_a-zA-Z][_a-zA-Z0-9]?.
  TEST_P(IdentifierTest, IdentifierIdentified)
  {
      std::string str(1, std::tr1::get<0>(GetParam()));
      char c = std::tr1::get<1>(GetParam());
      if (c != '\0') str.push_back(c);
  
      PreprocessAndVerifyIdentifier(str.c_str());
  }
  
  // Test string: '_'
  INSTANTIATE_TEST_CASE_P(SingleLetter_Underscore,
                          IdentifierTest,
                          testing::Combine(testing::Values('_'),
                                           testing::Values('\0')));
  
  // Test string: [a-f]
  INSTANTIATE_TEST_CASE_P(SingleLetter_a_f,
                          IdentifierTest,
                          testing::Combine(testing::Range('a', 'f'),
                                           testing::Values('\0')));
  
  // Test string: [A-F]
  INSTANTIATE_TEST_CASE_P(SingleLetter_A_F,
                          IdentifierTest,
                          testing::Combine(testing::Range('A', 'F'),
                                           testing::Values('\0')));
  
  // Test string: "__"
  INSTANTIATE_TEST_CASE_P(DoubleLetter_Underscore_Underscore,
                          IdentifierTest,
                          testing::Combine(testing::Values('_'),
                                           testing::Values('_')));
  
  // Test string: "_"[a-f]
  INSTANTIATE_TEST_CASE_P(DoubleLetter_Underscore_a_f,
                          IdentifierTest,
                          testing::Combine(testing::Values('_'),
                                           testing::Range('a', 'f')));
  
  // Test string: "_"[A-F]
  INSTANTIATE_TEST_CASE_P(DoubleLetter_Underscore_A_F,
                          IdentifierTest,
                          testing::Combine(testing::Values('_'),
                                           testing::Range('A', 'F')));
  
  // Test string: "_"[0-9]
  INSTANTIATE_TEST_CASE_P(DoubleLetter_Underscore_0_9,
                          IdentifierTest,
                          testing::Combine(testing::Values('_'),
                                           testing::Range('0', '9')));
  
  // Test string: [a-f]"_"
  INSTANTIATE_TEST_CASE_P(DoubleLetter_a_f_Underscore,
                          IdentifierTest,
                          testing::Combine(testing::Range('a', 'f'),
                                           testing::Values('_')));
  
  // Test string: [a-f][a-f]
  INSTANTIATE_TEST_CASE_P(DoubleLetter_a_f_a_f,
                          IdentifierTest,
                          testing::Combine(testing::Range('a', 'f'),
                                           testing::Range('a', 'f')));
  
  // Test string: [a-f][A-f]
  INSTANTIATE_TEST_CASE_P(DoubleLetter_a_f_A_F,
                          IdentifierTest,
                          testing::Combine(testing::Range('a', 'f'),
                                           testing::Range('A', 'F')));
  
  // Test string: [a-f][0-9]
  INSTANTIATE_TEST_CASE_P(DoubleLetter_a_f_0_9,
                          IdentifierTest,
                          testing::Combine(testing::Range('a', 'f'),
                                           testing::Range('0', '9')));
  
  // Test string: [A-F]"_"
  INSTANTIATE_TEST_CASE_P(DoubleLetter_A_F_Underscore,
                          IdentifierTest,
                          testing::Combine(testing::Range('A', 'F'),
                                           testing::Values('_')));
  
  // Test string: [A-F][a-f]
  INSTANTIATE_TEST_CASE_P(DoubleLetter_A_F_a_f,
                          IdentifierTest,
                          testing::Combine(testing::Range('A', 'F'),
                                           testing::Range('a', 'f')));
  
  // Test string: [A-F][A-F]
  INSTANTIATE_TEST_CASE_P(DoubleLetter_A_F_A_F,
                          IdentifierTest,
                          testing::Combine(testing::Range('A', 'F'),
                                           testing::Range('A', 'F')));
  
  // Test string: [A-F][0-9]
  INSTANTIATE_TEST_CASE_P(DoubleLetter_A_F_0_9,
                          IdentifierTest,
                          testing::Combine(testing::Range('A', 'F'),
                                           testing::Range('0', '9')));
  
  #endif  // GTEST_HAS_COMBINE
  
  // The tests above cover one-letter and various combinations of two-letter
  // identifier names. This test covers all characters in a single string.
  TEST(IdentifierTestAllCharacters, IdentifierIdentified)
  {
      std::string str;
      for (int c = 'a'; c <= 'z'; ++c)
          str.push_back(c);
  
      str.push_back('_');
  
      for (int c = 'A'; c <= 'Z'; ++c)
          str.push_back(c);
  
      str.push_back('_');
  
      for (int c = '0'; c <= '9'; ++c)
          str.push_back(c);
  
      PreprocessAndVerifyIdentifier(str.c_str());
  }
  

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