Lab_1 0.1.1
Matrix Library
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gtest-test-part.h
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
40#include "gtest/internal/gtest-internal.h"
41#include "gtest/internal/gtest-string.h"
42
43GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
44/* class A needs to have dll-interface to be used by clients of class B */)
45
46namespace testing {
47
48// A copyable object representing the result of a test part (i.e. an
49// assertion or an explicit FAIL(), ADD_FAILURE(), or SUCCESS()).
50//
51// Don't inherit from TestPartResult as its destructor is not virtual.
52class GTEST_API_ TestPartResult {
53 public:
54 // The possible outcomes of a test part (i.e. an assertion or an
55 // explicit SUCCEED(), FAIL(), or ADD_FAILURE()).
56 enum Type {
57 kSuccess, // Succeeded.
58 kNonFatalFailure, // Failed but the test can continue.
59 kFatalFailure, // Failed and the test should be terminated.
60 kSkip // Skipped.
61 };
62
63 // C'tor. TestPartResult does NOT have a default constructor.
64 // Always use this constructor (with parameters) to create a
65 // TestPartResult object.
66 TestPartResult(Type a_type, const char* a_file_name, int a_line_number,
67 const char* a_message)
68 : type_(a_type),
69 file_name_(a_file_name == nullptr ? "" : a_file_name),
70 line_number_(a_line_number),
71 summary_(ExtractSummary(a_message)),
72 message_(a_message) {}
73
74 // Gets the outcome of the test part.
75 Type type() const { return type_; }
76
77 // Gets the name of the source file where the test part took place, or
78 // NULL if it's unknown.
79 const char* file_name() const {
80 return file_name_.empty() ? nullptr : file_name_.c_str();
81 }
82
83 // Gets the line in the source file where the test part took place,
84 // or -1 if it's unknown.
85 int line_number() const { return line_number_; }
86
87 // Gets the summary of the failure message.
88 const char* summary() const { return summary_.c_str(); }
89
90 // Gets the message associated with the test part.
91 const char* message() const { return message_.c_str(); }
92
93 // Returns true if and only if the test part was skipped.
94 bool skipped() const { return type_ == kSkip; }
95
96 // Returns true if and only if the test part passed.
97 bool passed() const { return type_ == kSuccess; }
98
99 // Returns true if and only if the test part non-fatally failed.
100 bool nonfatally_failed() const { return type_ == kNonFatalFailure; }
101
102 // Returns true if and only if the test part fatally failed.
103 bool fatally_failed() const { return type_ == kFatalFailure; }
104
105 // Returns true if and only if the test part failed.
106 bool failed() const { return fatally_failed() || nonfatally_failed(); }
107
108 private:
109 Type type_;
110
111 // Gets the summary of the failure message by omitting the stack
112 // trace in it.
113 static std::string ExtractSummary(const char* message);
114
115 // The name of the source file where the test part took place, or
116 // "" if the source file is unknown.
117 std::string file_name_;
118 // The line in the source file where the test part took place, or -1
119 // if the line number is unknown.
120 int line_number_;
121 std::string summary_; // The test failure summary.
122 std::string message_; // The test failure message.
123};
124
125// Prints a TestPartResult object.
126std::ostream& operator<<(std::ostream& os, const TestPartResult& result);
127
128// An array of TestPartResult objects.
129//
130// Don't inherit from TestPartResultArray as its destructor is not
131// virtual.
132class GTEST_API_ TestPartResultArray {
133 public:
134 TestPartResultArray() {}
135
136 // Appends the given TestPartResult to the array.
137 void Append(const TestPartResult& result);
138
139 // Returns the TestPartResult at the given index (0-based).
140 const TestPartResult& GetTestPartResult(int index) const;
141
142 // Returns the number of TestPartResult objects in the array.
143 int size() const;
144
145 private:
146 std::vector<TestPartResult> array_;
147
148 TestPartResultArray(const TestPartResultArray&) = delete;
149 TestPartResultArray& operator=(const TestPartResultArray&) = delete;
150};
151
152// This interface knows how to report a test part result.
153class GTEST_API_ TestPartResultReporterInterface {
154 public:
155 virtual ~TestPartResultReporterInterface() {}
156
157 virtual void ReportTestPartResult(const TestPartResult& result) = 0;
158};
159
160namespace internal {
161
162// This helper class is used by {ASSERT|EXPECT}_NO_FATAL_FAILURE to check if a
163// statement generates new fatal failures. To do so it registers itself as the
164// current test part result reporter. Besides checking if fatal failures were
165// reported, it only delegates the reporting to the former result reporter.
166// The original result reporter is restored in the destructor.
167// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
168class GTEST_API_ HasNewFatalFailureHelper
169 : public TestPartResultReporterInterface {
170 public:
171 HasNewFatalFailureHelper();
172 ~HasNewFatalFailureHelper() override;
173 void ReportTestPartResult(const TestPartResult& result) override;
174 bool has_new_fatal_failure() const { return has_new_fatal_failure_; }
175
176 private:
177 bool has_new_fatal_failure_;
178 TestPartResultReporterInterface* original_reporter_;
179
180 HasNewFatalFailureHelper(const HasNewFatalFailureHelper&) = delete;
181 HasNewFatalFailureHelper& operator=(const HasNewFatalFailureHelper&) = delete;
182};
183
184} // namespace internal
185
186} // namespace testing
187
188GTEST_DISABLE_MSC_WARNINGS_POP_() // 4251
189
190#endif // GOOGLETEST_INCLUDE_GTEST_GTEST_TEST_PART_H_