kc3-lang/angle/src/tests/preprocessor_tests/char_test.cpp

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• Author : Corentin Wallez
  Date : 2015-08-31 16:24:10
  Hash : 2728f992
  Message : Make unittest #includes start from src This is will help avoid adding many include directories for the GN build. BUG=angleproject:929 Change-Id: If8f7e98526df3560b8e410ec86271a2da0c6889d Reviewed-on: https://chromium-review.googlesource.com/296480 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Corentin Wallez <cwallez@chromium.org>

• src/tests/preprocessor_tests/char_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 <algorithm>
  #include <climits>
  
  #include "PreprocessorTest.h"
  #include "compiler/preprocessor/Token.h"
  
  class CharTest : public PreprocessorTest,
                   public testing::WithParamInterface<int>
  {
  };
  
  static const char kPunctuators[] = {
      '.', '+', '-', '/', '*', '%', '<', '>', '[', ']', '(', ')', '{', '}',
      '^', '|', '&', '~', '=', '!', ':', ';', ',', '?'};
  static const int kNumPunctuators =
      sizeof(kPunctuators) / sizeof(kPunctuators[0]);
  
  bool isPunctuator(char c)
  {
      static const char* kPunctuatorBeg = kPunctuators;
      static const char* kPunctuatorEnd = kPunctuators + kNumPunctuators;
      return std::find(kPunctuatorBeg, kPunctuatorEnd, c) != kPunctuatorEnd;
  }
  
  static const char kWhitespaces[] = {' ', '\t', '\v', '\f', '\n', '\r'};
  static const int kNumWhitespaces =
      sizeof(kWhitespaces) / sizeof(kWhitespaces[0]);
  
  bool isWhitespace(char c)
  {
      static const char* kWhitespaceBeg = kWhitespaces;
      static const char* kWhitespaceEnd = kWhitespaces + kNumWhitespaces;
      return std::find(kWhitespaceBeg, kWhitespaceEnd, c) != kWhitespaceEnd;
  }
  
  TEST_P(CharTest, Identified)
  {
      std::string str(1, static_cast<char>(GetParam()));
      const char* cstr = str.c_str();
      int length = 1;
  
      // Note that we pass the length param as well because the invalid
      // string may contain the null character.
      ASSERT_TRUE(mPreprocessor.init(1, &cstr, &length));
  
      int expectedType = pp::Token::LAST;
      std::string expectedValue;
  
      if (str[0] == '#')
      {
          // Lone '#' is ignored.
      }
      else if ((str[0] == '_') ||
               ((str[0] >= 'a') && (str[0] <= 'z')) ||
               ((str[0] >= 'A') && (str[0] <= 'Z')))
      {
          expectedType = pp::Token::IDENTIFIER;
          expectedValue = str;
      }
      else if (str[0] >= '0' && str[0] <= '9')
      {
          expectedType = pp::Token::CONST_INT;
          expectedValue = str;
      }
      else if (isPunctuator(str[0]))
      {
          expectedType = str[0];
          expectedValue = str;
      }
      else if (isWhitespace(str[0]))
      {
          // Whitespace is ignored.
      }
      else
      {
          // Everything else is invalid.
          using testing::_;
          EXPECT_CALL(mDiagnostics,
              print(pp::Diagnostics::PP_INVALID_CHARACTER, _, str));
      }
  
      pp::Token token;
      mPreprocessor.lex(&token);
      EXPECT_EQ(expectedType, token.type);
      EXPECT_EQ(expectedValue, token.text);
  };
  
  // Note +1 for the max-value in range. It is there because the max-value
  // not included in the range.
  INSTANTIATE_TEST_CASE_P(All, CharTest,
                          testing::Range(CHAR_MIN, CHAR_MAX + 1));