lib/tdb/test/tap-to-subunit.h

   1 #ifndef TAP_TO_SUBUNIT_H
   2 #define TAP_TO_SUBUNIT_H
   3 /*
   4  * tap-style wrapper for subunit.
   5  *
   6  * Copyright (c) 2011 Rusty Russell
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  */
  30 #include "replace.h"
  31
  32 /**
  33  * plan_tests - announce the number of tests you plan to run
  34  * @tests: the number of tests
  35  *
  36  * This should be the first call in your test program: it allows tracing
  37  * of failures which mean that not all tests are run.
  38  *
  39  * If you don't know how many tests will actually be run, assume all of them
  40  * and use skip() if you don't actually run some tests.
  41  *
  42  * Example:
  43  *      plan_tests(13);
  44  */
  45 void plan_tests(unsigned int tests);
  46
  47 /**
  48  * ok1 - Simple conditional test
  49  * @e: the expression which we expect to be true.
  50  *
  51  * This is the simplest kind of test: if the expression is true, the
  52  * test passes.  The name of the test which is printed will simply be
  53  * file name, line number, and the expression itself.
  54  *
  55  * Example:
  56  *      ok1(somefunc() == 1);
  57  */
  58 # define ok1(e) ((e) ?                                                  \
  59                  _gen_result(1, __func__, __FILE__, __LINE__, "%s", #e) : \
  60                  _gen_result(0, __func__, __FILE__, __LINE__, "%s", #e))
  61
  62 /**
  63  * ok - Conditional test with a name
  64  * @e: the expression which we expect to be true.
  65  * @...: the printf-style name of the test.
  66  *
  67  * If the expression is true, the test passes.  The name of the test will be
  68  * the filename, line number, and the printf-style string.  This can be clearer
  69  * than simply the expression itself.
  70  *
  71  * Example:
  72  *      ok1(somefunc() == 1);
  73  *      ok(somefunc() == 0, "Second somefunc() should fail");
  74  */
  75 # define ok(e, ...) ((e) ?                                              \
  76                      _gen_result(1, __func__, __FILE__, __LINE__,       \
  77                                  __VA_ARGS__) :                         \
  78                      _gen_result(0, __func__, __FILE__, __LINE__,       \
  79                                  __VA_ARGS__))
  80
  81 /**
  82  * pass - Note that a test passed
  83  * @...: the printf-style name of the test.
  84  *
  85  * For complicated code paths, it can be easiest to simply call pass() in one
  86  * branch and fail() in another.
  87  *
  88  * Example:
  89  *      int x = somefunc();
  90  *      if (x > 0)
  91  *              pass("somefunc() returned a valid value");
  92  *      else
  93  *              fail("somefunc() returned an invalid value");
  94  */
  95 # define pass(...) ok(1, __VA_ARGS__)
  96
  97 /**
  98  * fail - Note that a test failed
  99  * @...: the printf-style name of the test.
 100  *
 101  * For complicated code paths, it can be easiest to simply call pass() in one
 102  * branch and fail() in another.
 103  */
 104 # define fail(...) ok(0, __VA_ARGS__)
 105
 106 unsigned int _gen_result(int, const char *, const char *, unsigned int,
 107    const char *, ...) PRINTF_ATTRIBUTE(5, 6);
 108
 109 /**
 110  * diag - print a diagnostic message (use instead of printf/fprintf)
 111  * @fmt: the format of the printf-style message
 112  *
 113  * diag ensures that the output will not be considered to be a test
 114  * result by the TAP test harness.  It will append '\n' for you.
 115  *
 116  * Example:
 117  *      diag("Now running complex tests");
 118  */
 119 void diag(const char *fmt, ...) PRINTF_ATTRIBUTE(1, 2);
 120
 121 /**
 122  * skip - print a diagnostic message (use instead of printf/fprintf)
 123  * @n: number of tests you're skipping.
 124  * @fmt: the format of the reason you're skipping the tests.
 125  *
 126  * Sometimes tests cannot be run because the test system lacks some feature:
 127  * you should explicitly document that you're skipping tests using skip().
 128  *
 129  * From the Test::More documentation:
 130  *   If it's something the user might not be able to do, use SKIP.  This
 131  *   includes optional modules that aren't installed, running under an OS that
 132  *   doesn't have some feature (like fork() or symlinks), or maybe you need an
 133  *   Internet connection and one isn't available.
 134  *
 135  * Example:
 136  *      #ifdef HAVE_SOME_FEATURE
 137  *      ok1(somefunc());
 138  *      #else
 139  *      skip(1, "Don't have SOME_FEATURE");
 140  *      #endif
 141  */
 142 void skip(unsigned int n, const char *fmt, ...) PRINTF_ATTRIBUTE(2, 3);
 143
 144 /**
 145  * exit_status - the value that main should return.
 146  *
 147  * For maximum compatibility your test program should return a particular exit
 148  * code (ie. 0 if all tests were run, and every test which was expected to
 149  * succeed succeeded).
 150  *
 151  * Example:
 152  *      exit(exit_status());
 153  */
 154 int exit_status(void);
 155 #endif /* CCAN_TAP_H */