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

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• Hash : d0d9f87a
  Author :
  Date : 2012-07-03T16:06:40
  

  Make sure that #version occurs before anything else, except for comments and white space.
  Review URL: https://codereview.appspot.com/6348056
  
  git-svn-id: https://angleproject.googlecode.com/svn/trunk@1184 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• tests/preprocessor_tests/version_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 "PreprocessorTest.h"
  #include "Token.h"
  
  class VersionTest : public PreprocessorTest
  {
  };
  
  TEST_F(VersionTest, Valid)
  {
      const char* str = "#version 200\n";
      const char* expected = "\n";
  
      using testing::_;
      EXPECT_CALL(mDirectiveHandler,
                  handleVersion(pp::SourceLocation(0, 1), 200));
      // No error or warning.
      EXPECT_CALL(mDiagnostics, print(_, _, _)).Times(0);
  
      preprocess(str, expected);
  }
  
  TEST_F(VersionTest, CommentsIgnored)
  {
      const char* str = "/*foo*/"
                        "#"
                        "/*foo*/"
                        "version"
                        "/*foo*/"
                        "200"
                        "/*foo*/"
                        "//foo"
                        "\n";
      const char* expected = "\n";
  
      using testing::_;
      EXPECT_CALL(mDirectiveHandler,
                  handleVersion(pp::SourceLocation(0, 1), 200));
      // No error or warning.
      EXPECT_CALL(mDiagnostics, print(_, _, _)).Times(0);
  
      preprocess(str, expected);
  }
  
  TEST_F(VersionTest, MissingNewline)
  {
      const char* str = "#version 200";
      const char* expected = "";
  
      using testing::_;
      // Directive successfully parsed.
      EXPECT_CALL(mDirectiveHandler,
                  handleVersion(pp::SourceLocation(0, 1), 200));
      // Error reported about EOF.
      EXPECT_CALL(mDiagnostics, print(pp::Diagnostics::EOF_IN_DIRECTIVE, _, _));
  
      preprocess(str, expected);
  }
  
  TEST_F(VersionTest, AfterComments)
  {
      const char* str = "/* block comment acceptable */\n"
                        "// line comment acceptable\n"
                        "#version 200\n";
      const char* expected = "\n\n\n";
  
      using testing::_;
      // Directive successfully parsed.
      EXPECT_CALL(mDirectiveHandler,
                  handleVersion(pp::SourceLocation(0, 3), 200));
      // No error or warning.
      EXPECT_CALL(mDiagnostics, print(_, _, _)).Times(0);
      
      preprocess(str, expected);
  }
  
  TEST_F(VersionTest, AfterWhitespace)
  {
      const char* str = "\n"
                        "\n"
                        "#version 200\n";
      const char* expected = "\n\n\n";
  
      using testing::_;
      // Directive successfully parsed.
      EXPECT_CALL(mDirectiveHandler,
                  handleVersion(pp::SourceLocation(0, 3), 200));
      // No error or warning.
      EXPECT_CALL(mDiagnostics, print(_, _, _)).Times(0);
      
      preprocess(str, expected);
  }
  
  TEST_F(VersionTest, AfterValidToken)
  {
      const char* str = "foo\n"
                        "#version 200\n";
      ASSERT_TRUE(mPreprocessor.init(1, &str, NULL));
  
      using testing::_;
      EXPECT_CALL(mDiagnostics,
                  print(pp::Diagnostics::VERSION_NOT_FIRST_STATEMENT,
                        pp::SourceLocation(0, 2), _));
  
      pp::Token token;
      do
      {
          mPreprocessor.lex(&token);
      } while (token.type != pp::Token::LAST);
  }
  
  TEST_F(VersionTest, AfterInvalidToken)
  {
      const char* str = "$\n"
                        "#version 200\n";
      ASSERT_TRUE(mPreprocessor.init(1, &str, NULL));
  
      using testing::_;
      EXPECT_CALL(mDiagnostics,
                  print(pp::Diagnostics::INVALID_CHARACTER,
                        pp::SourceLocation(0, 1), "$"));
      EXPECT_CALL(mDiagnostics,
                  print(pp::Diagnostics::VERSION_NOT_FIRST_STATEMENT,
                        pp::SourceLocation(0, 2), _));
  
      pp::Token token;
      do
      {
          mPreprocessor.lex(&token);
      } while (token.type != pp::Token::LAST);
  }
  
  TEST_F(VersionTest, AfterValidDirective)
  {
      const char* str = "#\n"
                        "#version 200\n";
      ASSERT_TRUE(mPreprocessor.init(1, &str, NULL));
  
      using testing::_;
      EXPECT_CALL(mDiagnostics,
                  print(pp::Diagnostics::VERSION_NOT_FIRST_STATEMENT,
                        pp::SourceLocation(0, 2), _));
  
      pp::Token token;
      do
      {
          mPreprocessor.lex(&token);
      } while (token.type != pp::Token::LAST);
  }
  
  TEST_F(VersionTest, AfterInvalidDirective)
  {
      const char* str = "#foo\n"
                        "#version 200\n";
      ASSERT_TRUE(mPreprocessor.init(1, &str, NULL));
  
      using testing::_;
      EXPECT_CALL(mDiagnostics,
                  print(pp::Diagnostics::DIRECTIVE_INVALID_NAME,
                        pp::SourceLocation(0, 1), "foo"));
      EXPECT_CALL(mDiagnostics,
                  print(pp::Diagnostics::VERSION_NOT_FIRST_STATEMENT,
                        pp::SourceLocation(0, 2), _));
  
      pp::Token token;
      do
      {
          mPreprocessor.lex(&token);
      } while (token.type != pp::Token::LAST);
  }
  
  TEST_F(VersionTest, AfterExcludedBlock)
  {
      const char* str = "#if 0\n"
                        "foo\n"
                        "#endif\n"
                        "#version 200\n";
      ASSERT_TRUE(mPreprocessor.init(1, &str, NULL));
  
      using testing::_;
      EXPECT_CALL(mDiagnostics,
                  print(pp::Diagnostics::VERSION_NOT_FIRST_STATEMENT,
                        pp::SourceLocation(0, 4), _));
  
      pp::Token token;
      do
      {
          mPreprocessor.lex(&token);
      } while (token.type != pp::Token::LAST);
  }
  
  struct VersionTestParam
  {
      const char* str;
      pp::Diagnostics::ID id;
  };
  
  class InvalidVersionTest : public VersionTest,
                             public testing::WithParamInterface<VersionTestParam>
  {
  };
  
  TEST_P(InvalidVersionTest, Identified)
  {
      VersionTestParam param = GetParam();
      const char* expected = "\n";
  
      using testing::_;
      // No handleVersion call.
      EXPECT_CALL(mDirectiveHandler, handleVersion(_, _)).Times(0);
      // Invalid version directive call.
      EXPECT_CALL(mDiagnostics, print(param.id, pp::SourceLocation(0, 1), _));
  
      preprocess(param.str, expected);
  }
  
  static const VersionTestParam kParams[] = {
      {"#version\n", pp::Diagnostics::INVALID_VERSION_DIRECTIVE},
      {"#version foo\n", pp::Diagnostics::INVALID_VERSION_NUMBER},
      {"#version 100 foo\n", pp::Diagnostics::UNEXPECTED_TOKEN},
      {"#version 0xffffffff\n", pp::Diagnostics::INTEGER_OVERFLOW}
  };
  
  INSTANTIATE_TEST_CASE_P(All, InvalidVersionTest, testing::ValuesIn(kParams));
  

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