384 lines
12 KiB
C
384 lines
12 KiB
C
/*
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* Copyright (c) 2012 David Siñuela Pastor, siu.4coders@gmail.com
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef MINUNIT_MINUNIT_H
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#define MINUNIT_MINUNIT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(_WIN32)
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#include <Windows.h>
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#if defined(_MSC_VER) && _MSC_VER < 1900
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#define snprintf _snprintf
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#define __func__ __FUNCTION__
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#endif
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#elif defined(__unix__) || defined(__unix) || defined(unix) || (defined(__APPLE__) && defined(__MACH__))
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/* Change POSIX C SOURCE version for pure c99 compilers */
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#if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 200112L
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#undef _POSIX_C_SOURCE
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#define _POSIX_C_SOURCE 200112L
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#endif
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#include <unistd.h> /* POSIX flags */
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#include <time.h> /* clock_gettime(), time() */
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#include <sys/time.h> /* gethrtime(), gettimeofday() */
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#include <sys/resource.h>
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#include <sys/times.h>
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#include <string.h>
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#if defined(__MACH__) && defined(__APPLE__)
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#include <mach/mach.h>
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#include <mach/mach_time.h>
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#endif
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#else
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#error "Unable to define timers for an unknown OS."
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#endif
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#include <stdio.h>
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#include <math.h>
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/* Maximum length of last message */
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#define MINUNIT_MESSAGE_LEN 1024
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/* Accuracy with which floats are compared */
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#define MINUNIT_EPSILON 1E-12
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typedef long long s64;
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/* Misc. counters */
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static int minunit_run = 0;
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static int minunit_assert = 0;
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static int minunit_fail = 0;
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static int minunit_status = 0;
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/* Timers */
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static double minunit_real_timer = 0;
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static double minunit_proc_timer = 0;
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/* Last message */
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static char minunit_last_message[MINUNIT_MESSAGE_LEN];
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/* Test setup and teardown function pointers */
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static void (*minunit_setup) (void) = NULL;
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static void (*minunit_teardown) (void) = NULL;
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/* Definitions */
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#define MU_TEST(method_name) static void method_name(void)
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#define MU_TEST_SUITE(suite_name) static void suite_name(void)
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#define MU__SAFE_BLOCK(block) do {\
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block\
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} while(0)
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/* Run test suite and unset setup and teardown functions */
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#define MU_RUN_SUITE(suite_name) MU__SAFE_BLOCK(\
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suite_name();\
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minunit_setup = NULL;\
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minunit_teardown = NULL;\
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)
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/* Configure setup and teardown functions */
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#define MU_SUITE_CONFIGURE(setup_fun, teardown_fun) MU__SAFE_BLOCK(\
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minunit_setup = setup_fun;\
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minunit_teardown = teardown_fun;\
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)
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/* Test runner */
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#define MU_RUN_TEST(test) MU__SAFE_BLOCK(\
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if (minunit_real_timer==0 && minunit_proc_timer==0) {\
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minunit_real_timer = mu_timer_real();\
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minunit_proc_timer = mu_timer_cpu();\
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}\
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if (minunit_setup) (*minunit_setup)();\
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minunit_status = 0;\
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test();\
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minunit_run++;\
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if (minunit_status) {\
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minunit_fail++;\
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printf("F");\
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printf("\n%s\n", minunit_last_message);\
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}\
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fflush(stdout);\
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if (minunit_teardown) (*minunit_teardown)();\
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)
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/* Report */
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#define MU_REPORT() MU__SAFE_BLOCK(\
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double minunit_end_real_timer;\
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double minunit_end_proc_timer;\
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printf("\n\n%d tests, %d assertions, %d failures\n", minunit_run, minunit_assert, minunit_fail);\
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minunit_end_real_timer = mu_timer_real();\
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minunit_end_proc_timer = mu_timer_cpu();\
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printf("\nFinished in %.8f seconds (real) %.8f seconds (proc)\n\n",\
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minunit_end_real_timer - minunit_real_timer,\
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minunit_end_proc_timer - minunit_proc_timer);\
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if (minunit_fail) minunit_status = 1;\
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)
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/* Assertions */
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#define mu_check(test) MU__SAFE_BLOCK(\
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minunit_assert++;\
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if (!(test)) {\
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snprintf(minunit_last_message, MINUNIT_MESSAGE_LEN, "%s failed:\n\t%s:%d: %s", __func__, __FILE__, __LINE__, #test);\
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minunit_status = 1;\
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return;\
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} else {\
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printf(".");\
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}\
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)
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#define mu_fail(message) MU__SAFE_BLOCK(\
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minunit_assert++;\
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snprintf(minunit_last_message, MINUNIT_MESSAGE_LEN, "%s failed:\n\t%s:%d: %s", __func__, __FILE__, __LINE__, message);\
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minunit_status = 1;\
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return;\
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)
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#define mu_assert(test, message) MU__SAFE_BLOCK(\
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minunit_assert++;\
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if (!(test)) {\
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snprintf(minunit_last_message, MINUNIT_MESSAGE_LEN, "%s failed:\n\t%s:%d: %s", __func__, __FILE__, __LINE__, message);\
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minunit_status = 1;\
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return;\
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} else {\
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printf(".");\
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}\
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)
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#define mu_assert_int_eq(expected, result) MU__SAFE_BLOCK(\
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int minunit_tmp_e;\
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int minunit_tmp_r;\
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minunit_assert++;\
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minunit_tmp_e = (expected);\
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minunit_tmp_r = (result);\
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if (minunit_tmp_e != minunit_tmp_r) {\
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snprintf(minunit_last_message, MINUNIT_MESSAGE_LEN, "%s failed:\n\t%s:%d: %d expected but was %d", __func__, __FILE__, __LINE__, minunit_tmp_e, minunit_tmp_r);\
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minunit_status = 1;\
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return;\
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} else {\
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printf(".");\
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}\
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)
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#define mu_assert_double_eq(expected, result) MU__SAFE_BLOCK(\
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double minunit_tmp_e;\
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double minunit_tmp_r;\
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minunit_assert++;\
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minunit_tmp_e = (expected);\
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minunit_tmp_r = (result);\
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if (fabs(minunit_tmp_e-minunit_tmp_r) > MINUNIT_EPSILON) {\
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int minunit_significant_figures = 1 - log10(MINUNIT_EPSILON);\
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snprintf(minunit_last_message, MINUNIT_MESSAGE_LEN, "%s failed:\n\t%s:%d: %.*g expected but was %.*g", __func__, __FILE__, __LINE__, minunit_significant_figures, minunit_tmp_e, minunit_significant_figures, minunit_tmp_r);\
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minunit_status = 1;\
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return;\
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} else {\
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printf(".");\
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}\
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)
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#define mu_assert_string_eq(expected, result) MU__SAFE_BLOCK(\
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const char* minunit_tmp_e = expected;\
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const char* minunit_tmp_r = result;\
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minunit_assert++;\
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if (!minunit_tmp_e) {\
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minunit_tmp_e = "<null pointer>";\
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}\
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if (!minunit_tmp_r) {\
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minunit_tmp_r = "<null pointer>";\
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}\
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if(strcmp(minunit_tmp_e, minunit_tmp_r)) {\
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snprintf(minunit_last_message, MINUNIT_MESSAGE_LEN, "%s failed:\n\t%s:%d: '%s' expected but was '%s'", __func__, __FILE__, __LINE__, minunit_tmp_e, minunit_tmp_r);\
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minunit_status = 1;\
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return;\
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} else {\
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printf(".");\
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}\
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)
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/*
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* The following two functions were written by David Robert Nadeau
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* from http://NadeauSoftware.com/ and distributed under the
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* Creative Commons Attribution 3.0 Unported License
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*/
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/**
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* Returns the real time, in seconds, or -1.0 if an error occurred.
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*
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* Time is measured since an arbitrary and OS-dependent start time.
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* The returned real time is only useful for computing an elapsed time
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* between two calls to this function.
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*/
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static double mu_timer_real(void) {
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#if defined(_WIN32)
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/* Windows 2000 and later. ---------------------------------- */
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LARGE_INTEGER Time;
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LARGE_INTEGER Frequency;
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QueryPerformanceFrequency(&Frequency);
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QueryPerformanceCounter(&Time);
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Time.QuadPart *= 1000000;
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Time.QuadPart /= Frequency.QuadPart;
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return (double)Time.QuadPart / 1000000.0;
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#elif (defined(__hpux) || defined(hpux)) || ((defined(__sun__) || defined(__sun) || defined(sun)) && (defined(__SVR4) || defined(__svr4__)))
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/* HP-UX, Solaris. ------------------------------------------ */
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return (double)gethrtime() / 1000000000.0;
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#elif defined(__MACH__) && defined(__APPLE__)
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/* OSX. ----------------------------------------------------- */
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static double timeConvert = 0.0;
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if (timeConvert == 0.0) {
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mach_timebase_info_data_t timeBase;
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(void)mach_timebase_info(&timeBase);
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timeConvert = (double)timeBase.numer /
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(double)timeBase.denom / 1000000000.0;
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}
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return (double)mach_absolute_time() * timeConvert;
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#elif defined(_POSIX_VERSION)
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/* POSIX. --------------------------------------------------- */
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struct timeval tm;
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#if defined(_POSIX_TIMERS) && (_POSIX_TIMERS > 0)
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{
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struct timespec ts;
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#if defined(CLOCK_MONOTONIC_PRECISE)
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/* BSD. --------------------------------------------- */
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const clockid_t id = CLOCK_MONOTONIC_PRECISE;
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#elif defined(CLOCK_MONOTONIC_RAW)
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/* Linux. ------------------------------------------- */
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const clockid_t id = CLOCK_MONOTONIC_RAW;
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#elif defined(CLOCK_HIGHRES)
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/* Solaris. ----------------------------------------- */
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const clockid_t id = CLOCK_HIGHRES;
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#elif defined(CLOCK_MONOTONIC)
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/* AIX, BSD, Linux, POSIX, Solaris. ----------------- */
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const clockid_t id = CLOCK_MONOTONIC;
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#elif defined(CLOCK_REALTIME)
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/* AIX, BSD, HP-UX, Linux, POSIX. ------------------- */
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const clockid_t id = CLOCK_REALTIME;
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#else
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const clockid_t id = (clockid_t) - 1; /* Unknown. */
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#endif /* CLOCK_* */
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if (id != (clockid_t) - 1
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&& clock_gettime(id, &ts) != -1)
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return (double)ts.tv_sec +
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(double)ts.tv_nsec / 1000000000.0;
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/* Fall thru. */
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}
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#endif /* _POSIX_TIMERS */
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/* AIX, BSD, Cygwin, HP-UX, Linux, OSX, POSIX, Solaris. ----- */
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gettimeofday(&tm, NULL);
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return (double)tm.tv_sec + (double)tm.tv_usec / 1000000.0;
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#else
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return -1.0; /* Failed. */
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#endif
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}
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/**
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* Returns the amount of CPU time used by the current process,
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* in seconds, or -1.0 if an error occurred.
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*/ static double mu_timer_cpu(void) {
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#if defined(_WIN32)
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/* Windows -------------------------------------------------- */
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FILETIME createTime;
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FILETIME exitTime;
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FILETIME kernelTime;
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FILETIME userTime;
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/* This approach has a resolution of 1/64 second. Unfortunately, Windows' API does not offer better */
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if (GetProcessTimes(GetCurrentProcess(),
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&createTime, &exitTime, &kernelTime,
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&userTime) != 0) {
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ULARGE_INTEGER userSystemTime;
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memcpy(&userSystemTime, &userTime,
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sizeof(ULARGE_INTEGER));
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return (double)userSystemTime.QuadPart / 10000000.0;
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}
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#elif defined(__unix__) || defined(__unix) || defined(unix) || (defined(__APPLE__) && defined(__MACH__))
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/* AIX, BSD, Cygwin, HP-UX, Linux, OSX, and Solaris --------- */
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#if defined(_POSIX_TIMERS) && (_POSIX_TIMERS > 0)
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/* Prefer high-res POSIX timers, when available. */
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{
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clockid_t id;
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struct timespec ts;
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#if _POSIX_CPUTIME > 0
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/* Clock ids vary by OS. Query the id, if possible. */
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if (clock_getcpuclockid(0, &id) == -1)
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#endif
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#if defined(CLOCK_PROCESS_CPUTIME_ID)
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/* Use known clock id for AIX, Linux, or Solaris. */
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id = CLOCK_PROCESS_CPUTIME_ID;
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#elif defined(CLOCK_VIRTUAL)
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/* Use known clock id for BSD or HP-UX. */
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id = CLOCK_VIRTUAL;
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#else
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id = (clockid_t) - 1;
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#endif
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if (id != (clockid_t) - 1
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&& clock_gettime(id, &ts) != -1)
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return (double)ts.tv_sec +
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(double)ts.tv_nsec / 1000000000.0;
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}
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#endif
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#if defined(RUSAGE_SELF)
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{
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struct rusage rusage;
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if (getrusage(RUSAGE_SELF, &rusage) != -1)
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return (double)rusage.ru_utime.tv_sec +
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(double)rusage.ru_utime.tv_usec / 1000000.0;
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}
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#endif
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#if defined(_SC_CLK_TCK)
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{
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const double ticks = (double)sysconf(_SC_CLK_TCK);
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struct tms tms;
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if (times(&tms) != (clock_t) - 1)
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return (double)tms.tms_utime / ticks;
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}
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#endif
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#if defined(CLOCKS_PER_SEC)
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{
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clock_t cl = clock();
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if (cl != (clock_t) - 1)
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return (double)cl / (double)CLOCKS_PER_SEC;
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}
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#endif
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#endif
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return -1; /* Failed. */
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* MINUNIT_MINUNIT_H */
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