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

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• Author : alokp@chromium.org
  Date : 2012-05-31 18:10:43
  Hash : c745adb0
  Message : Added PreprocessorTest::preprocess that preprocesses the input string and compares the output with that of the expected string. Renamed other *Test::preprocess methods to something different and clearer. git-svn-id: https://angleproject.googlecode.com/svn/trunk@1126 736b8ea6-26fd-11df-bfd4-992fa37f6226

• tests/preprocessor_tests/extension_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 ExtensionTest : public PreprocessorTest
  {
  };
  
  TEST_F(ExtensionTest, Valid)
  {
      const char* str = "#extension foo : bar\n";
      const char* expected = "\n";
  
      using testing::_;
      EXPECT_CALL(mDirectiveHandler,
                  handleExtension(pp::SourceLocation(0, 1), "foo", "bar"));
      // No error or warning.
      EXPECT_CALL(mDiagnostics, print(_, _, _)).Times(0);
  
      preprocess(str, expected);
  }
  
  TEST_F(ExtensionTest, Comments)
  {
      const char* str = "/*foo*/"
                        "#"
                        "/*foo*/"
                        "extension"
                        "/*foo*/"
                        "foo"
                        "/*foo*/"
                        ":"
                        "/*foo*/"
                        "bar"
                        "/*foo*/"
                        "//foo"
                        "\n";
      const char* expected = "\n";
  
      using testing::_;
      EXPECT_CALL(mDirectiveHandler,
                  handleExtension(pp::SourceLocation(0, 1), "foo", "bar"));
      // No error or warning.
      EXPECT_CALL(mDiagnostics, print(_, _, _)).Times(0);
  
      preprocess(str, expected);
  }
  
  TEST_F(ExtensionTest, MissingNewline)
  {
      const char* str = "#extension foo : bar";
      const char* expected = "";
  
      using testing::_;
      // Directive successfully parsed.
      EXPECT_CALL(mDirectiveHandler,
                  handleExtension(pp::SourceLocation(0, 1), "foo", "bar"));
      // Error reported about EOF.
      EXPECT_CALL(mDiagnostics, print(pp::Diagnostics::EOF_IN_DIRECTIVE, _, _));
  
      preprocess(str, expected);
  }
  
  struct ExtensionTestParam
  {
      const char* str;
      pp::Diagnostics::ID id;
  };
  
  using testing::WithParamInterface;
  class InvalidExtensionTest : public ExtensionTest,
                               public WithParamInterface<ExtensionTestParam>
  {
  };
  
  TEST_P(InvalidExtensionTest, Identified)
  {
      ExtensionTestParam param = GetParam();
      const char* expected = "\n";
  
      using testing::_;
      // No handleExtension call.
      EXPECT_CALL(mDirectiveHandler, handleExtension(_, _, _)).Times(0);
      // Invalid extension directive call.
      EXPECT_CALL(mDiagnostics, print(param.id, pp::SourceLocation(0, 1), _));
  
      preprocess(param.str, expected);
  }
  
  static const ExtensionTestParam kParams[] = {
      {"#extension\n", pp::Diagnostics::INVALID_EXTENSION_DIRECTIVE},
      {"#extension 1\n", pp::Diagnostics::INVALID_EXTENSION_NAME},
      {"#extension foo bar\n", pp::Diagnostics::UNEXPECTED_TOKEN},
      {"#extension foo : \n", pp::Diagnostics::INVALID_EXTENSION_DIRECTIVE},
      {"#extension foo : 1\n", pp::Diagnostics::INVALID_EXTENSION_BEHAVIOR},
      {"#extension foo : bar baz\n", pp::Diagnostics::UNEXPECTED_TOKEN}
  };
  INSTANTIATE_TEST_CASE_P(All, InvalidExtensionTest, testing::ValuesIn(kParams));