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comparison: test/test.h

test/test.h

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1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /**
30 * @file: test.h
31 *
32 * UCX Test Framework.
33 *
34 * Usage of this test framework:
35 *
36 * **** IN HEADER FILE: ****
37 *
38 * <pre>
39 * UCX_TEST(function_name);
40 * UCX_TEST_SUBROUTINE(subroutine_name, paramlist); // optional
41 * </pre>
42 *
43 * **** IN SOURCE FILE: ****
44 * <pre>
45 * UCX_TEST_SUBROUTINE(subroutine_name, paramlist) {
46 * // tests with UCX_TEST_ASSERT()
47 * }
48 *
49 * UCX_TEST(function_name) {
50 * // memory allocation and other stuff here
51 * #UCX_TEST_BEGIN
52 * // tests with UCX_TEST_ASSERT() and/or
53 * // calls with UCX_TEST_CALL_SUBROUTINE() here
54 * #UCX_TEST_END
55 * // cleanup of memory here
56 * }
57 * </pre>
58 *
59 * <b>Note:</b> if a test fails, a longjump is performed
60 * back to the #UCX_TEST_BEGIN macro!
61 *
62 * <b>Attention:</b> Do not call own functions within a test, that use
63 * UCX_TEST_ASSERT() macros and are not defined by using UCX_TEST_SUBROUTINE().
64 *
65 *
66 * @author Mike Becker
67 * @author Olaf Wintermann
68 *
69 */
70
71 #ifndef UCX_21_TEST_H
72 #define UCX_21_TEST_H
73
74 #include <stdio.h>
75 #include <stdlib.h>
76 #include <string.h>
77 #include <setjmp.h>
78
79 #ifdef __cplusplus
80 extern "C" {
81 #endif
82
83 #ifndef __FUNCTION__
84
85 /**
86 * Alias for the <code>__func__</code> preprocessor macro.
87 * Some compilers use <code>__func__</code> and others use __FUNCTION__.
88 * We use __FUNCTION__ so we define it for those compilers which use
89 * <code>__func__</code>.
90 */
91 #define __FUNCTION__ __func__
92 #endif
93
94 /** Type for the UcxTestSuite. */
95 typedef struct UcxTestSuite UcxTestSuite;
96
97 /** Pointer to a test function. */
98 typedef void(*UcxTest)(UcxTestSuite*,FILE*);
99
100 /** Type for the internal list of test cases. */
101 typedef struct UcxTestList UcxTestList;
102
103 /** Structure for the internal list of test cases. */
104 struct UcxTestList {
105
106 /** Test case. */
107 UcxTest test;
108
109 /** Pointer to the next list element. */
110 UcxTestList *next;
111 };
112
113 /**
114 * A test suite containing multiple test cases.
115 */
116 struct UcxTestSuite {
117
118 /** The number of successful tests after the suite has been run. */
119 unsigned int success;
120
121 /** The number of failed tests after the suite has been run. */
122 unsigned int failure;
123
124 /**
125 * Internal list of test cases.
126 * Use ucx_test_register() to add tests to this list.
127 */
128 UcxTestList *tests;
129 };
130
131 /**
132 * Creates a new test suite.
133 * @return a new test suite
134 */
135 UcxTestSuite* ucx_test_suite_new();
136
137 /**
138 * Destroys a test suite.
139 * @param suite the test suite to destroy
140 */
141 void ucx_test_suite_free(UcxTestSuite* suite);
142
143 /**
144 * Registers a test function with the specified test suite.
145 *
146 * @param suite the suite, the test function shall be added to
147 * @param test the test function to register
148 * @return <code>EXIT_SUCCESS</code> on success or
149 * <code>EXIT_FAILURE</code> on failure
150 */
151 int ucx_test_register(UcxTestSuite* suite, UcxTest test);
152
153 /**
154 * Runs a test suite and writes the test log to the specified stream.
155 * @param suite the test suite to run
156 * @param outstream the stream the log shall be written to
157 */
158 void ucx_test_run(UcxTestSuite* suite, FILE* outstream);
159
160 /**
161 * Macro for a #UcxTest function header.
162 *
163 * Use this macro to declare and/or define a #UcxTest function.
164 *
165 * @param name the name of the test function
166 */
167 #define UCX_TEST(name) void name(UcxTestSuite* _suite_,FILE *_output_)
168
169 /**
170 * Marks the begin of a test.
171 * <b>Note:</b> Any UCX_TEST_ASSERT() calls must be performed <b>after</b>
172 * #UCX_TEST_BEGIN.
173 *
174 * @see #UCX_TEST_END
175 */
176 #define UCX_TEST_BEGIN fwrite("Running ", 1, 8, _output_);\
177 fwrite(__FUNCTION__, 1, strlen(__FUNCTION__), _output_);\
178 fwrite("... ", 1, 4, _output_);\
179 jmp_buf _env_; \
180 if (!setjmp(_env_)) {
181
182 /**
183 * Checks a test assertion.
184 * If the assertion is correct, the test carries on. If the assertion is not
185 * correct, the specified message (terminated by a dot and a line break) is
186 * written to the test suites output stream.
187 * @param condition the condition to check
188 * @param message the message that shall be printed out on failure
189 */
190 #define UCX_TEST_ASSERT(condition,message) if (!(condition)) { \
191 fwrite(message".\n", 1, 2+strlen(message), _output_); \
192 _suite_->failure++; \
193 longjmp(_env_, 1);\
194 }
195
196 /**
197 * Macro for a test subroutine function header.
198 *
199 * Use this to declare and/or define a subroutine that can be called by using
200 * UCX_TEST_CALL_SUBROUTINE().
201 *
202 * @param name the name of the subroutine
203 * @param ... the parameter list
204 *
205 * @see UCX_TEST_CALL_SUBROUTINE()
206 */
207 #define UCX_TEST_SUBROUTINE(name,...) void name(UcxTestSuite* _suite_,\
208 FILE *_output_, jmp_buf _env_, __VA_ARGS__)
209
210 /**
211 * Macro for calling a test subroutine.
212 *
213 * Subroutines declared with UCX_TEST_SUBROUTINE() can be called by using this
214 * macro.
215 *
216 * <b>Note:</b> You may <b>only</b> call subroutines within a #UCX_TEST_BEGIN-
217 * #UCX_TEST_END-block.
218 *
219 * @param name the name of the subroutine
220 * @param ... the argument list
221 *
222 * @see UCX_TEST_SUBROUTINE()
223 */
224 #define UCX_TEST_CALL_SUBROUTINE(name,...) \
225 name(_suite_,_output_,_env_,__VA_ARGS__);
226
227 /**
228 * Marks the end of a test.
229 * <b>Note:</b> Any UCX_TEST_ASSERT() calls must be performed <b>before</b>
230 * #UCX_TEST_END.
231 *
232 * @see #UCX_TEST_BEGIN
233 */
234 #define UCX_TEST_END fwrite("success.\n", 1, 9, _output_); _suite_->success++;}
235
236 #ifdef __cplusplus
237 }
238 #endif
239
240 #endif /* UCX_21_TEST_H */
241

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