libevent/test/tinytest_macros.h

   1 /* tinytest_macros.h -- Copyright 2009-2010 Nick Mathewson
   2  *
   3  * Redistribution and use in source and binary forms, with or without
   4  * modification, are permitted provided that the following conditions
   5  * are met:
   6  * 1. Redistributions of source code must retain the above copyright
   7  *    notice, this list of conditions and the following disclaimer.
   8  * 2. Redistributions in binary form must reproduce the above copyright
   9  *    notice, this list of conditions and the following disclaimer in the
  10  *    documentation and/or other materials provided with the distribution.
  11  * 3. The name of the author may not be used to endorse or promote products
  12  *    derived from this software without specific prior written permission.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef _TINYTEST_MACROS_H
  27 #define _TINYTEST_MACROS_H
  28
  29 /* Helpers for defining statement-like macros */
  30 #define TT_STMT_BEGIN do {
  31 #define TT_STMT_END } while (0)
  32
  33 /* Redefine this if your test functions want to abort with something besides
  34  * "goto end;" */
  35 #ifndef TT_EXIT_TEST_FUNCTION
  36 #define TT_EXIT_TEST_FUNCTION TT_STMT_BEGIN goto end; TT_STMT_END
  37 #endif
  38
  39 /* Redefine this if you want to note success/failure in some different way. */
  40 #ifndef TT_DECLARE
  41 #define TT_DECLARE(prefix, args)                                \
  42         TT_STMT_BEGIN                                           \
  43         printf("\n  %s %s:%d: ",prefix,__FILE__,__LINE__);      \
  44         printf args ;                                           \
  45         TT_STMT_END
  46 #endif
  47
  48 /* Announce a failure. Args are parenthesized printf args. */
  49 #define TT_GRIPE(args) TT_DECLARE("FAIL", args)
  50
  51 /* Announce a non-failure if we're verbose. */
  52 #define TT_BLATHER(args)                                                \
  53         TT_STMT_BEGIN                                                   \
  54         if (_tinytest_get_verbosity()>1) TT_DECLARE("  OK", args);      \
  55         TT_STMT_END
  56
  57 #define TT_DIE(args)                                            \
  58         TT_STMT_BEGIN                                           \
  59         _tinytest_set_test_failed();                            \
  60         TT_GRIPE(args);                                         \
  61         TT_EXIT_TEST_FUNCTION;                                  \
  62         TT_STMT_END
  63
  64 #define TT_FAIL(args)                           \
  65         TT_STMT_BEGIN                                           \
  66         _tinytest_set_test_failed();                            \
  67         TT_GRIPE(args);                                         \
  68         TT_STMT_END
  69
  70 /* Fail and abort the current test for the reason in msg */
  71 #define tt_abort_printf(msg) TT_DIE(msg)
  72 #define tt_abort_perror(op) TT_DIE(("%s: %s [%d]",(op),strerror(errno), errno))
  73 #define tt_abort_msg(msg) TT_DIE(("%s", msg))
  74 #define tt_abort() TT_DIE(("%s", "(Failed.)"))
  75
  76 /* Fail but do not abort the current test for the reason in msg. */
  77 #define tt_fail_printf(msg) TT_FAIL(msg)
  78 #define tt_fail_perror(op) TT_FAIL(("%s: %s [%d]",(op),strerror(errno), errno))
  79 #define tt_fail_msg(msg) TT_FAIL(("%s", msg))
  80 #define tt_fail() TT_FAIL(("%s", "(Failed.)"))
  81
  82 /* End the current test, and indicate we are skipping it. */
  83 #define tt_skip()                                               \
  84         TT_STMT_BEGIN                                           \
  85         _tinytest_set_test_skipped();                           \
  86         TT_EXIT_TEST_FUNCTION;                                  \
  87         TT_STMT_END
  88
  89 #define _tt_want(b, msg, fail)                          \
  90         TT_STMT_BEGIN                                   \
  91         if (!(b)) {                                     \
  92                 _tinytest_set_test_failed();            \
  93                 TT_GRIPE(("%s",msg));                   \
  94                 fail;                                   \
  95         } else {                                        \
  96                 TT_BLATHER(("%s",msg));                 \
  97         }                                               \
  98         TT_STMT_END
  99
 100 /* Assert b, but do not stop the test if b fails.  Log msg on failure. */
 101 #define tt_want_msg(b, msg)                     \
 102         _tt_want(b, msg, );
 103
 104 /* Assert b and stop the test if b fails.  Log msg on failure. */
 105 #define tt_assert_msg(b, msg)                   \
 106         _tt_want(b, msg, TT_EXIT_TEST_FUNCTION);
 107
 108 /* Assert b, but do not stop the test if b fails. */
 109 #define tt_want(b)   tt_want_msg( (b), "want("#b")")
 110 /* Assert b, and stop the test if b fails. */
 111 #define tt_assert(b) tt_assert_msg((b), "assert("#b")")
 112
 113 #define tt_assert_test_fmt_type(a,b,str_test,type,test,printf_type,printf_fmt, \
 114     setup_block,cleanup_block,die_on_fail)                              \
 115         TT_STMT_BEGIN                                                   \
 116         type _val1 = (type)(a);                                         \
 117         type _val2 = (type)(b);                                         \
 118         int _tt_status = (test);                                        \
 119         if (!_tt_status || _tinytest_get_verbosity()>1) {               \
 120                 printf_type _print;                                     \
 121                 printf_type _print1;                                    \
 122                 printf_type _print2;                                    \
 123                 type _value = _val1;                                    \
 124                 setup_block;                                            \
 125                 _print1 = _print;                                       \
 126                 _value = _val2;                                         \
 127                 setup_block;                                            \
 128                 _print2 = _print;                                       \
 129                 TT_DECLARE(_tt_status?"  OK":"FAIL",                    \
 130                            ("assert(%s): "printf_fmt" vs "printf_fmt,   \
 131                             str_test, _print1, _print2));               \
 132                 _print = _print1;                                       \
 133                 cleanup_block;                                          \
 134                 _print = _print2;                                       \
 135                 cleanup_block;                                          \
 136                 if (!_tt_status) {                                      \
 137                         _tinytest_set_test_failed();                    \
 138                         die_on_fail ;                                   \
 139                 }                                                       \
 140         }                                                               \
 141         TT_STMT_END
 142
 143 #define tt_assert_test_type(a,b,str_test,type,test,fmt,die_on_fail)     \
 144         tt_assert_test_fmt_type(a,b,str_test,type,test,type,fmt,        \
 145             {_print=_value;},{},die_on_fail)
 146
 147 /* Helper: assert that a op b, when cast to type.  Format the values with
 148  * printf format fmt on failure. */
 149 #define tt_assert_op_type(a,op,b,type,fmt)                              \
 150         tt_assert_test_type(a,b,#a" "#op" "#b,type,(_val1 op _val2),fmt, \
 151             TT_EXIT_TEST_FUNCTION)
 152
 153 #define tt_int_op(a,op,b)                       \
 154         tt_assert_test_type(a,b,#a" "#op" "#b,long,(_val1 op _val2), \
 155             "%ld",TT_EXIT_TEST_FUNCTION)
 156
 157 #define tt_uint_op(a,op,b)                                              \
 158         tt_assert_test_type(a,b,#a" "#op" "#b,unsigned long,            \
 159             (_val1 op _val2),"%lu",TT_EXIT_TEST_FUNCTION)
 160
 161 #define tt_ptr_op(a,op,b)                                               \
 162         tt_assert_test_type(a,b,#a" "#op" "#b,void*,                    \
 163             (_val1 op _val2),"%p",TT_EXIT_TEST_FUNCTION)
 164
 165 #define tt_str_op(a,op,b)                                               \
 166         tt_assert_test_type(a,b,#a" "#op" "#b,const char *,             \
 167             (strcmp(_val1,_val2) op 0),"<%s>",TT_EXIT_TEST_FUNCTION)
 168
 169 #define tt_want_int_op(a,op,b)                                          \
 170         tt_assert_test_type(a,b,#a" "#op" "#b,long,(_val1 op _val2),"%ld",(void)0)
 171
 172 #define tt_want_uint_op(a,op,b)                                         \
 173         tt_assert_test_type(a,b,#a" "#op" "#b,unsigned long,            \
 174             (_val1 op _val2),"%lu",(void)0)
 175
 176 #define tt_want_ptr_op(a,op,b)                                          \
 177         tt_assert_test_type(a,b,#a" "#op" "#b,void*,                    \
 178             (_val1 op _val2),"%p",(void)0)
 179
 180 #define tt_want_str_op(a,op,b)                                          \
 181         tt_assert_test_type(a,b,#a" "#op" "#b,const char *,             \
 182             (strcmp(_val1,_val2) op 0),"<%s>",(void)0)
 183
 184 #endif