gtest-test-part.h

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// Copyright 2008, Google Inc.
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
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// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// Author: mheule@google.com (Markus Heule)
//
 
#ifndef GTEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
#define GTEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
 
#include <iosfwd>
#include <vector>
#include "gtest/internal/gtest-internal.h"
#include "gtest/internal/gtest-string.h"
 
namespace testing {
 
// A copyable object representing the result of a test part (i.e. an
// assertion or an explicit FAIL(), ADD_FAILURE(), or SUCCESS()).
//
// Don't inherit from TestPartResult as its destructor is not virtual.
class GTEST_API_ TestPartResult {
 public:
  // The possible outcomes of a test part (i.e. an assertion or an
  // explicit SUCCEED(), FAIL(), or ADD_FAILURE()).
  enum Type {
    kSuccess,          // Succeeded.
    kNonFatalFailure,  // Failed but the test can continue.
    kFatalFailure      // Failed and the test should be terminated.
  };
 
  // C'tor.  TestPartResult does NOT have a default constructor.
  // Always use this constructor (with parameters) to create a
  // TestPartResult object.
  TestPartResult(Type a_type,
                 const char* a_file_name,
                 int a_line_number,
                 const char* a_message)
      : type_(a_type),
        file_name_(a_file_name == NULL ? "" : a_file_name),
        line_number_(a_line_number),
        summary_(ExtractSummary(a_message)),
        message_(a_message) {
  }
 
  // Gets the outcome of the test part.
  Type type() const { return type_; }
 
  // Gets the name of the source file where the test part took place, or
  // NULL if it's unknown.
  const char* file_name() const {
    return file_name_.empty() ? NULL : file_name_.c_str();
  }
 
  // Gets the line in the source file where the test part took place,
  // or -1 if it's unknown.
  int line_number() const { return line_number_; }
 
  // Gets the summary of the failure message.
  const char* summary() const { return summary_.c_str(); }
 
  // Gets the message associated with the test part.
  const char* message() const { return message_.c_str(); }
 
  // Returns true iff the test part passed.
  bool passed() const { return type_ == kSuccess; }
 
  // Returns true iff the test part failed.
  bool failed() const { return type_ != kSuccess; }
 
  // Returns true iff the test part non-fatally failed.
  bool nonfatally_failed() const { return type_ == kNonFatalFailure; }
 
  // Returns true iff the test part fatally failed.
  bool fatally_failed() const { return type_ == kFatalFailure; }
 
 private:
  Type type_;
 
  // Gets the summary of the failure message by omitting the stack
  // trace in it.
  static std::string ExtractSummary(const char* message);
 
  // The name of the source file where the test part took place, or
  // "" if the source file is unknown.
  std::string file_name_;
  // The line in the source file where the test part took place, or -1
  // if the line number is unknown.
  int line_number_;
  std::string summary_;  // The test failure summary.
  std::string message_;  // The test failure message.
};
 
// Prints a TestPartResult object.
std::ostream& operator<<(std::ostream& os, const TestPartResult& result);
 
// An array of TestPartResult objects.
//
// Don't inherit from TestPartResultArray as its destructor is not
// virtual.
class GTEST_API_ TestPartResultArray {
 public:
  TestPartResultArray() {}
 
  // Appends the given TestPartResult to the array.
  void Append(const TestPartResult& result);
 
  // Returns the TestPartResult at the given index (0-based).
  const TestPartResult& GetTestPartResult(int index) const;
 
  // Returns the number of TestPartResult objects in the array.
  int size() const;
 
 private:
  std::vector<TestPartResult> array_;
 
  GTEST_DISALLOW_COPY_AND_ASSIGN_(TestPartResultArray);
};
 
// This interface knows how to report a test part result.
class TestPartResultReporterInterface {
 public:
  virtual ~TestPartResultReporterInterface() {}
 
  virtual void ReportTestPartResult(const TestPartResult& result) = 0;
};
 
namespace internal {
 
// This helper class is used by {ASSERT|EXPECT}_NO_FATAL_FAILURE to check if a
// statement generates new fatal failures. To do so it registers itself as the
// current test part result reporter. Besides checking if fatal failures were
// reported, it only delegates the reporting to the former result reporter.
// The original result reporter is restored in the destructor.
// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
class GTEST_API_ HasNewFatalFailureHelper
    : public TestPartResultReporterInterface {
 public:
  HasNewFatalFailureHelper();
  virtual ~HasNewFatalFailureHelper();
  virtual void ReportTestPartResult(const TestPartResult& result);
  bool has_new_fatal_failure() const { return has_new_fatal_failure_; }
 private:
  bool has_new_fatal_failure_;
  TestPartResultReporterInterface* original_reporter_;
 
  GTEST_DISALLOW_COPY_AND_ASSIGN_(HasNewFatalFailureHelper);
};
 
}  // namespace internal
 
}  // namespace testing
 
#endif  // GTEST_INCLUDE_GTEST_GTEST_TEST_PART_H_