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  1. // Copyright 2008, Google Inc.
  2. // All rights reserved.
  3. //
  4. // Redistribution and use in source and binary forms, with or without
  5. // modification, are permitted provided that the following conditions are
  6. // met:
  7. //
  8. //     * Redistributions of source code must retain the above copyright
  9. // notice, this list of conditions and the following disclaimer.
  10. //     * Redistributions in binary form must reproduce the above
  11. // copyright notice, this list of conditions and the following disclaimer
  12. // in the documentation and/or other materials provided with the
  13. // distribution.
  14. //     * Neither the name of Google Inc. nor the names of its
  15. // contributors may be used to endorse or promote products derived from
  16. // this software without specific prior written permission.
  17. //
  18. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. //
  30. // Author: mheule@google.com (Markus Heule)
  31. //
  32.  
  33. #ifndef GTEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
  34. #define GTEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
  35.  
  36. #include <iosfwd>
  37. #include <vector>
  38. #include "gtest/internal/gtest-internal.h"
  39. #include "gtest/internal/gtest-string.h"
  40.  
  41. namespace testing {
  42.  
  43. // A copyable object representing the result of a test part (i.e. an
  44. // assertion or an explicit FAIL(), ADD_FAILURE(), or SUCCESS()).
  45. //
  46. // Don't inherit from TestPartResult as its destructor is not virtual.
  47. class GTEST_API_ TestPartResult {
  48.  public:
  49.   // The possible outcomes of a test part (i.e. an assertion or an
  50.   // explicit SUCCEED(), FAIL(), or ADD_FAILURE()).
  51.   enum Type {
  52.     kSuccess,          // Succeeded.
  53.     kNonFatalFailure,  // Failed but the test can continue.
  54.     kFatalFailure      // Failed and the test should be terminated.
  55.   };
  56.  
  57.   // C'tor.  TestPartResult does NOT have a default constructor.
  58.   // Always use this constructor (with parameters) to create a
  59.   // TestPartResult object.
  60.   TestPartResult(Type a_type,
  61.                  const char* a_file_name,
  62.                  int a_line_number,
  63.                  const char* a_message)
  64.       : type_(a_type),
  65.         file_name_(a_file_name),
  66.         line_number_(a_line_number),
  67.         summary_(ExtractSummary(a_message)),
  68.         message_(a_message) {
  69.   }
  70.  
  71.   // Gets the outcome of the test part.
  72.   Type type() const { return type_; }
  73.  
  74.   // Gets the name of the source file where the test part took place, or
  75.   // NULL if it's unknown.
  76.   const char* file_name() const { return file_name_.c_str(); }
  77.  
  78.   // Gets the line in the source file where the test part took place,
  79.   // or -1 if it's unknown.
  80.   int line_number() const { return line_number_; }
  81.  
  82.   // Gets the summary of the failure message.
  83.   const char* summary() const { return summary_.c_str(); }
  84.  
  85.   // Gets the message associated with the test part.
  86.   const char* message() const { return message_.c_str(); }
  87.  
  88.   // Returns true iff the test part passed.
  89.   bool passed() const { return type_ == kSuccess; }
  90.  
  91.   // Returns true iff the test part failed.
  92.   bool failed() const { return type_ != kSuccess; }
  93.  
  94.   // Returns true iff the test part non-fatally failed.
  95.   bool nonfatally_failed() const { return type_ == kNonFatalFailure; }
  96.  
  97.   // Returns true iff the test part fatally failed.
  98.   bool fatally_failed() const { return type_ == kFatalFailure; }
  99.  private:
  100.   Type type_;
  101.  
  102.   // Gets the summary of the failure message by omitting the stack
  103.   // trace in it.
  104.   static internal::String ExtractSummary(const char* message);
  105.  
  106.   // The name of the source file where the test part took place, or
  107.   // NULL if the source file is unknown.
  108.   internal::String file_name_;
  109.   // The line in the source file where the test part took place, or -1
  110.   // if the line number is unknown.
  111.   int line_number_;
  112.   internal::String summary_;  // The test failure summary.
  113.   internal::String message_;  // The test failure message.
  114. };
  115.  
  116. // Prints a TestPartResult object.
  117. std::ostream& operator<<(std::ostream& os, const TestPartResult& result);
  118.  
  119. // An array of TestPartResult objects.
  120. //
  121. // Don't inherit from TestPartResultArray as its destructor is not
  122. // virtual.
  123. class GTEST_API_ TestPartResultArray {
  124.  public:
  125.   TestPartResultArray() {}
  126.  
  127.   // Appends the given TestPartResult to the array.
  128.   void Append(const TestPartResult& result);
  129.  
  130.   // Returns the TestPartResult at the given index (0-based).
  131.   const TestPartResult& GetTestPartResult(int index) const;
  132.  
  133.   // Returns the number of TestPartResult objects in the array.
  134.   int size() const;
  135.  
  136.  private:
  137.   std::vector<TestPartResult> array_;
  138.  
  139.   GTEST_DISALLOW_COPY_AND_ASSIGN_(TestPartResultArray);
  140. };
  141.  
  142. // This interface knows how to report a test part result.
  143. class TestPartResultReporterInterface {
  144.  public:
  145.   virtual ~TestPartResultReporterInterface() {}
  146.  
  147.   virtual void ReportTestPartResult(const TestPartResult& result) = 0;
  148. };
  149.  
  150. namespace internal {
  151.  
  152. // This helper class is used by {ASSERT|EXPECT}_NO_FATAL_FAILURE to check if a
  153. // statement generates new fatal failures. To do so it registers itself as the
  154. // current test part result reporter. Besides checking if fatal failures were
  155. // reported, it only delegates the reporting to the former result reporter.
  156. // The original result reporter is restored in the destructor.
  157. // INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
  158. class GTEST_API_ HasNewFatalFailureHelper
  159.     : public TestPartResultReporterInterface {
  160.  public:
  161.   HasNewFatalFailureHelper();
  162.   virtual ~HasNewFatalFailureHelper();
  163.   virtual void ReportTestPartResult(const TestPartResult& result);
  164.   bool has_new_fatal_failure() const { return has_new_fatal_failure_; }
  165.  private:
  166.   bool has_new_fatal_failure_;
  167.   TestPartResultReporterInterface* original_reporter_;
  168.  
  169.   GTEST_DISALLOW_COPY_AND_ASSIGN_(HasNewFatalFailureHelper);
  170. };
  171.  
  172. }  // namespace internal
  173.  
  174. }  // namespace testing
  175.  
  176. #endif  // GTEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
  177.