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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 // IWYU pragma: private, include "gtest/gtest.h"
31 // IWYU pragma: friend gtest/.*
32 // IWYU pragma: friend gmock/.*
33 
34 #ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
35 #define GOOGLETEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
36 
37 #include <iosfwd>
38 #include <vector>
39 #include "gtest/internal/gtest-internal.h"
40 #include "gtest/internal/gtest-string.h"
41 
42 GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
43 /* class A needs to have dll-interface to be used by clients of class B */)
44 
45 namespace testing {
46 
47 // A copyable object representing the result of a test part (i.e. an
48 // assertion or an explicit FAIL(), ADD_FAILURE(), or SUCCESS()).
49 //
50 // Don't inherit from TestPartResult as its destructor is not virtual.
51 class GTEST_API_ TestPartResult {
52  public:
53   // The possible outcomes of a test part (i.e. an assertion or an
54   // explicit SUCCEED(), FAIL(), or ADD_FAILURE()).
55   enum Type {
56     kSuccess,          // Succeeded.
57     kNonFatalFailure,  // Failed but the test can continue.
58     kFatalFailure,     // Failed and the test should be terminated.
59     kSkip              // Skipped.
60   };
61 
62   // C'tor.  TestPartResult does NOT have a default constructor.
63   // Always use this constructor (with parameters) to create a
64   // TestPartResult object.
TestPartResult(Type a_type,const char * a_file_name,int a_line_number,const char * a_message)65   TestPartResult(Type a_type, const char* a_file_name, int a_line_number,
66                  const char* a_message)
67       : type_(a_type),
68         file_name_(a_file_name == nullptr ? "" : a_file_name),
69         line_number_(a_line_number),
70         summary_(ExtractSummary(a_message)),
71         message_(a_message) {}
72 
73   // Gets the outcome of the test part.
type()74   Type type() const { return type_; }
75 
76   // Gets the name of the source file where the test part took place, or
77   // NULL if it's unknown.
file_name()78   const char* file_name() const {
79     return file_name_.empty() ? nullptr : file_name_.c_str();
80   }
81 
82   // Gets the line in the source file where the test part took place,
83   // or -1 if it's unknown.
line_number()84   int line_number() const { return line_number_; }
85 
86   // Gets the summary of the failure message.
summary()87   const char* summary() const { return summary_.c_str(); }
88 
89   // Gets the message associated with the test part.
message()90   const char* message() const { return message_.c_str(); }
91 
92   // Returns true if and only if the test part was skipped.
skipped()93   bool skipped() const { return type_ == kSkip; }
94 
95   // Returns true if and only if the test part passed.
passed()96   bool passed() const { return type_ == kSuccess; }
97 
98   // Returns true if and only if the test part non-fatally failed.
nonfatally_failed()99   bool nonfatally_failed() const { return type_ == kNonFatalFailure; }
100 
101   // Returns true if and only if the test part fatally failed.
fatally_failed()102   bool fatally_failed() const { return type_ == kFatalFailure; }
103 
104   // Returns true if and only if the test part failed.
failed()105   bool failed() const { return fatally_failed() || nonfatally_failed(); }
106 
107  private:
108   Type type_;
109 
110   // Gets the summary of the failure message by omitting the stack
111   // trace in it.
112   static std::string ExtractSummary(const char* message);
113 
114   // The name of the source file where the test part took place, or
115   // "" if the source file is unknown.
116   std::string file_name_;
117   // The line in the source file where the test part took place, or -1
118   // if the line number is unknown.
119   int line_number_;
120   std::string summary_;  // The test failure summary.
121   std::string message_;  // The test failure message.
122 };
123 
124 // Prints a TestPartResult object.
125 std::ostream& operator<<(std::ostream& os, const TestPartResult& result);
126 
127 // An array of TestPartResult objects.
128 //
129 // Don't inherit from TestPartResultArray as its destructor is not
130 // virtual.
131 class GTEST_API_ TestPartResultArray {
132  public:
TestPartResultArray()133   TestPartResultArray() {}
134 
135   // Appends the given TestPartResult to the array.
136   void Append(const TestPartResult& result);
137 
138   // Returns the TestPartResult at the given index (0-based).
139   const TestPartResult& GetTestPartResult(int index) const;
140 
141   // Returns the number of TestPartResult objects in the array.
142   int size() const;
143 
144  private:
145   std::vector<TestPartResult> array_;
146 
147   GTEST_DISALLOW_COPY_AND_ASSIGN_(TestPartResultArray);
148 };
149 
150 // This interface knows how to report a test part result.
151 class GTEST_API_ TestPartResultReporterInterface {
152  public:
~TestPartResultReporterInterface()153   virtual ~TestPartResultReporterInterface() {}
154 
155   virtual void ReportTestPartResult(const TestPartResult& result) = 0;
156 };
157 
158 namespace internal {
159 
160 // This helper class is used by {ASSERT|EXPECT}_NO_FATAL_FAILURE to check if a
161 // statement generates new fatal failures. To do so it registers itself as the
162 // current test part result reporter. Besides checking if fatal failures were
163 // reported, it only delegates the reporting to the former result reporter.
164 // The original result reporter is restored in the destructor.
165 // INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
166 class GTEST_API_ HasNewFatalFailureHelper
167     : public TestPartResultReporterInterface {
168  public:
169   HasNewFatalFailureHelper();
170   ~HasNewFatalFailureHelper() override;
171   void ReportTestPartResult(const TestPartResult& result) override;
has_new_fatal_failure()172   bool has_new_fatal_failure() const { return has_new_fatal_failure_; }
173  private:
174   bool has_new_fatal_failure_;
175   TestPartResultReporterInterface* original_reporter_;
176 
177   GTEST_DISALLOW_COPY_AND_ASSIGN_(HasNewFatalFailureHelper);
178 };
179 
180 }  // namespace internal
181 
182 }  // namespace testing
183 
184 GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4251
185 
186 #endif  // GOOGLETEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
187