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