gstreamer/libs/gst/check/libcheck/check.h.in
Jan Alexander Steffens (heftig) cd6bc944f9 check: Always mark _ck_assert_failed as noreturn
So that we can use `fail` like `g_assert_not_reached`.

The comment is apparently wrong or outdated, as GCC considers it legal
for noreturn-marked functions to return using longjmp.

See the thread at
https://gitlab.freedesktop.org/gstreamer/gst-plugins-ugly/-/merge_requests/59#note_576422

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/573>
2020-07-22 13:45:54 +00:00

1328 lines
38 KiB
C

/*-*- mode:C; -*- */
/*
* Check: a unit test framework for C
* Copyright (C) 2001, 2002 Arien Malec
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#ifndef CHECK_H
#define CHECK_H
#include <stddef.h>
#include <string.h>
/*
Macros and functions starting with _ (underscore) are internal and
may change without notice. You have been warned!.
*/
#ifdef __cplusplus
#define CK_CPPSTART extern "C" {
#define CK_CPPEND }
CK_CPPSTART
#endif
#if defined(__GNUC__) && defined(__GNUC_MINOR__)
#define GCC_VERSION_AT_LEAST(major, minor) \
((__GNUC__ > (major)) || \
(__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
#else
#define GCC_VERSION_AT_LEAST(major, minor) 0
#endif
#if GCC_VERSION_AT_LEAST(2,95)
#define CK_ATTRIBUTE_UNUSED __attribute__ ((unused))
#else
#define CK_ATTRIBUTE_UNUSED
#endif /* GCC 2.95 */
#if GCC_VERSION_AT_LEAST(2,5)
#define CK_ATTRIBUTE_NORETURN __attribute__ ((noreturn))
#else
#define CK_ATTRIBUTE_NORETURN
#endif /* GCC 2.5 */
#include <sys/types.h>
/*
* Used to create the linker script for hiding lib-local symbols. Shall
* be put directly in front of the exported symbol.
*/
#define CK_EXPORT
/*
* Used for MSVC to create the export attribute
* CK_DLL_EXP is defined during the compilation of the library
* on the command line.
*/
#ifndef CK_DLL_EXP
# if defined(_MSC_VER)
# define CK_DLL_EXP __declspec(dllimport)
# else
# define CK_DLL_EXP extern
# endif
#endif
/* check version numbers */
#define CHECK_MAJOR_VERSION (@CHECK_MAJOR_VERSION@)
#define CHECK_MINOR_VERSION (@CHECK_MINOR_VERSION@)
#define CHECK_MICRO_VERSION (@CHECK_MICRO_VERSION@)
CK_DLL_EXP /*extern*/ int CK_EXPORT check_major_version;
CK_DLL_EXP /*extern*/ int CK_EXPORT check_minor_version;
CK_DLL_EXP /*extern*/ int CK_EXPORT check_micro_version;
#ifndef NULL
#define NULL ((void*)0)
#endif
#if defined(_MSC_VER)
#define pid_t int
#endif
/**
* Type for a test case
*
* A TCase represents a test case. Create with tcase_create, free
* with tcase_free. For the moment, test cases can only be run
* through a suite
*/
typedef struct TCase TCase;
/**
* Type for a test function
*/
typedef void (*TFun) (int);
/**
* Type for a setup/teardown function
*/
typedef void (*SFun) (void);
/**
* Type for a test suite
*/
typedef struct Suite Suite;
/**
* Creates a test suite with the given name.
*
* Create a suite, which will contain test cases. Once
* created, use suite_add_tcase() to add test cases.
* When finished, create a suite runner from the
* suite using srunner_create()
*
* @param name name of the suite
*
* @return suite
*
* @since 0.6.0
*/
CK_DLL_EXP Suite *CK_EXPORT suite_create (const char *name);
/**
* Determines whether a given test suite contains a case named after a
* given string.
*
* @param s suite to check
* @param tcname test case to look for
*
* @return 1 iff the given test case is within the given suite;
* 0 otherwise
*
* @since 0.9.9
*/
CK_DLL_EXP int CK_EXPORT suite_tcase (Suite * s, const char *tcname);
/**
* Add a test case to a suite.
*
* Note that if the TCase has already been added attempting
* to add it again will be ignored.
*
* @param s suite to add test case to
* @param tc test case to add to suite
*
* @since 0.6.0
*/
CK_DLL_EXP void CK_EXPORT suite_add_tcase (Suite * s, TCase * tc);
/**
* Create a test case.
*
* Once created, tests can be added with the tcase_add_test()
* function, and the test case assigned to a suite with the
* suite_add_tcase() function.
*
* @param name name of the test case
*
* @return test case containing no tests
*
* @since 0.6.0
* */
CK_DLL_EXP TCase *CK_EXPORT tcase_create (const char *name);
/**
* Associate a test case with certain tags.
* Replaces any existing tags with the new set.
*
* @param tc the test case
*
* @param tags string containing arbitrary tags separated by spaces.
* This will be copied. Passing NULL clears all tags.
*
* @since 0.11.0
* */
CK_DLL_EXP void CK_EXPORT tcase_set_tags (TCase * tc, const char *tags);
/**
* Add a test function to a test case
*
* @param tc test case to add test to
* @param tf test function to add to test case
*
* @since 0.6.0
* */
#define tcase_add_test(tc,tf) tcase_add_test_raise_signal(tc,tf,0)
/**
* Add a test function with signal handling to a test case
*
* The added test is expected to terminate by throwing the given signal
*
* @param tc test case to add test to
* @param tf test function to add to test case
* @param signal expected signal for test function to throw in order for
* the test to be considered passing
*
* @since 0.9.2
* */
#define tcase_add_test_raise_signal(tc,tf,signal) \
_tcase_add_test((tc),(tf),"" # tf "",(signal), 0, 0, 1)
/**
* Add a test function with an expected exit value to a test case
*
* The added test is expected to terminate by exiting with the given value
*
* @param tc test case to add test to
* @param tf test function to add to test case
* @param expected_exit_value exit value for test function to return in
* order for the test to be considered passing
*
* @since 0.9.7
*/
#define tcase_add_exit_test(tc, tf, expected_exit_value) \
_tcase_add_test((tc),(tf),"" # tf "",0,(expected_exit_value),0,1)
/**
* Add a looping test function to a test case
*
* The test will be called in a for(i = s; i < e; i++) loop with each
* iteration being executed in a new context. The loop variable 'i' is
* available in the test.
*
* @param tc test case to add test to
* @param tf function to add to test case
* @param s starting index for value "i" in test
* @param e ending index for value "i" in test
*
* @since 0.9.4
*/
#define tcase_add_loop_test(tc,tf,s,e) \
_tcase_add_test((tc),(tf),"" # tf "",0,0,(s),(e))
/**
* Add a looping test function with signal handling to a test case
*
* The test will be called in a for(i = s; i < e; i++) loop with each
* iteration being executed in a new context. The loop variable 'i' is
* available in the test.
*
* The added test is expected to terminate by throwing the given signal
*
* @param tc test case to add test to
* @param tf function to add to test case
* @param signal expected signal for test function to throw in order for
* the test to be considered passing
* @param s starting index for value "i" in test
* @param e ending index for value "i" in test
*
* @since 0.9.5
*/
#define tcase_add_loop_test_raise_signal(tc,tf,signal,s,e) \
_tcase_add_test((tc),(tf),"" # tf "",(signal),0,(s),(e))
/**
* Add a looping test function with an expected exit value to a test case
*
* The test will be called in a for(i = s; i < e; i++) loop with each
* iteration being executed in a new context. The loop variable 'i' is
* available in the test.
*
* The added test is expected to terminate by exiting with the given value
*
* @param tc test case to add test to
* @param tf function to add to test case
* @param expected_exit_value exit value for test function to return in
* order for the test to be considered passing
* @param s starting index for value "i" in test
* @param e ending index for value "i" in test
*
* @since 0.9.7
*/
#define tcase_add_loop_exit_test(tc,tf,expected_exit_value,s,e) \
_tcase_add_test((tc),(tf),"" # tf "",0,(expected_exit_value),(s),(e))
/* Add a test function to a test case
(function version -- use this when the macro won't work
*/
CK_DLL_EXP void CK_EXPORT _tcase_add_test (TCase * tc, TFun tf,
const char *fname, int _signal, int allowed_exit_value, int start, int end);
/**
* Add unchecked fixture setup/teardown functions to a test case
*
* Unchecked fixture functions are run at the start and end of the
* test case, and not before and after unit tests. Further,
* unchecked fixture functions are not run in a separate address space,
* like test functions, and so must not exit or signal (e.g.,
* segfault).
*
* Also, when run in CK_NOFORK mode, unchecked fixture functions may
* lead to different unit test behavior if unit tests change data
* setup by the fixture functions.
*
* Note that if a setup function fails, the remaining setup functions
* will be omitted, as will the test case and the teardown functions.
* If a teardown function fails the remaining teardown functions will be
* omitted.
*
* @param tc test case to add unchecked fixture setup/teardown to
* @param setup function to add to be executed before the test case;
* if NULL no setup function is added
* @param teardown function to add to be executed after the test case;
* if NULL no teardown function is added
* @since 0.8.0
*/
CK_DLL_EXP void CK_EXPORT tcase_add_unchecked_fixture (TCase * tc, SFun setup,
SFun teardown);
/**
* Add checked fixture setup/teardown functions to a test case
*
* Checked fixture functions are run before and after each unit test inside
* of the address space of the test. Thus, if using CK_FORK
* mode the separate process running the unit test will survive signals
* or unexpected exits in the fixture function. Also, if the setup
* function is idempotent, unit test behavior will be the same in
* CK_FORK and CK_NOFORK modes.
*
* However, since fixture functions are run before and after each unit
* test, they should not be expensive code.
*
* Note that if a setup function fails, the remaining setup functions
* will be omitted, as will the test and the teardown functions. If a
* teardown function fails the remaining teardown functions will be
* omitted.
*
* @param tc test case to add checked fixture setup/teardown to
* @param setup function to add to be executed before each unit test in
* the test case; if NULL no setup function is added
* @param teardown function to add to be executed after each unit test in
* the test case; if NULL no teardown function is added
*
* @since 0.8.0
*/
CK_DLL_EXP void CK_EXPORT tcase_add_checked_fixture (TCase * tc, SFun setup,
SFun teardown);
/**
* Set the timeout for all tests in a test case.
*
* A test that lasts longer than the timeout (in seconds) will be killed
* and thus fail with an error.
*
* If not set, the default timeout is one assigned at compile time. If
* the environment variable CK_DEFAULT_TIMEOUT is defined and no timeout
* is set, the value in the environment variable is used.
*
* If Check is compile without fork() support this call is ignored,
* as timeouts are not possible.
*
* @param tc test case to assign timeout to
* @param timeout to use, in seconds. If the value contains a decimal
* portion, but no high resolution timer is available,
* the value is rounded up to the nearest second.
*
* @since 0.9.2
*/
CK_DLL_EXP void CK_EXPORT tcase_set_timeout (TCase * tc, double timeout);
/* Internal function to mark the start of a test function */
CK_DLL_EXP void CK_EXPORT tcase_fn_start (const char *fname, const char *file,
int line);
/**
* Start a unit test with START_TEST(unit_name), end with END_TEST.
*
* One must use braces within a START_/END_ pair to declare new variables
*
* @since 0.6.0
*/
#define START_TEST(__testname)\
static void __testname (int _i CK_ATTRIBUTE_UNUSED)\
{\
tcase_fn_start (""# __testname, __FILE__, __LINE__);
/**
* End a unit test
*
* @since 0.6.0
*/
#define END_TEST }
/*
* Fail the test case unless expr is false
*
* This call is deprecated.
*/
#define fail_unless ck_assert_msg
/*
* Fail the test case if expr is false
*
* This call is deprecated.
*
* NOTE: The space before the comma sign before ## is essential to be compatible
* with gcc 2.95.3 and earlier.
* FIXME: these macros may conflict with C89 if expr is
* FIXME: strcmp (str1, str2) due to excessive string length.
*/
#define fail_if(expr, ...)\
(expr) ? \
_ck_assert_failed(__FILE__, __LINE__, "Failure '"#expr"' occurred" , ## __VA_ARGS__, NULL) \
: _mark_point(__FILE__, __LINE__)
/*
* Fail the test
*
* This call is deprecated.
*/
#define fail ck_abort_msg
/*
* This is called whenever an assertion fails.
*/
CK_DLL_EXP void CK_EXPORT
_ck_assert_failed (const char *file, int line, const char *expr, ...)
CK_ATTRIBUTE_NORETURN;
/**
* Fail the test if expression is false
*
* @param expr expression to evaluate
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.6
*/
#define ck_assert(expr) ck_assert_msg(expr, NULL)
/* The space before the comma sign before ## is essential to be compatible
with gcc 2.95.3 and earlier.
*/
/**
* Fail the test if the expression is false; print message on failure
*
* @param expr expression to evaluate
* @param ... message to print (in printf format) if expression is false
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.6
*/
#define ck_assert_msg(expr, ...) \
(expr) ? \
_mark_point(__FILE__, __LINE__) : \
_ck_assert_failed(__FILE__, __LINE__, "Assertion '"#expr"' failed" , ## __VA_ARGS__, NULL)
/**
* Unconditionally fail the test
*
* @note Once called, the remaining of the test is aborted
*
* @since 0.9.6
*/
#define ck_abort() ck_abort_msg(NULL)
/**
* Unconditionally fail the test; print a message
*
* @param ... message to print (in printf format)
*
* @note Once called, the remaining of the test is aborted
*
* @since 0.9.6
*/
#define ck_abort_msg(...) _ck_assert_failed(__FILE__, __LINE__, "Failed" , ## __VA_ARGS__, NULL)
/* Signed and unsigned integer comparison macros with improved output compared to ck_assert(). */
/* OP may be any comparison operator. */
#define _ck_assert_int(X, OP, Y) do { \
gint64 _ck_x = (X); \
gint64 _ck_y = (Y); \
ck_assert_msg(_ck_x OP _ck_y, "Assertion '%s' failed: " \
"%s==%" G_GINT64_FORMAT ", %s==%" G_GINT64_FORMAT, #X#OP#Y, #X, _ck_x, #Y, _ck_y); \
} while (0)
/**
* Check two signed integers to determine if X==Y
*
* If not X==Y, the test fails.
*
* @param X signed integer
* @param Y signed integer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.6
*/
#define ck_assert_int_eq(X, Y) _ck_assert_int(X, ==, Y)
/**
* Check two signed integers to determine if X!=Y
*
* If not X!=Y, the test fails.
*
* @param X signed integer
* @param Y signed integer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.6
*/
#define ck_assert_int_ne(X, Y) _ck_assert_int(X, !=, Y)
/**
* Check two signed integers to determine if X<Y
*
* If not X<Y, the test fails.
*
* @param X signed integer
* @param Y signed integer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_int_lt(X, Y) _ck_assert_int(X, <, Y)
/**
* Check two signed integers to determine if X<=Y
*
* If not X<=Y, the test fails.
*
* @param X signed integer
* @param Y signed integer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_int_le(X, Y) _ck_assert_int(X, <=, Y)
/**
* Check two signed integers to determine if X>Y
*
* If not X>Y, the test fails.
*
* @param X signed integer
* @param Y signed integer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_int_gt(X, Y) _ck_assert_int(X, >, Y)
/**
* Check two signed integers to determine if X>=Y
*
* If not X>=Y, the test fails.
*
* @param X signed integer
* @param Y signed integer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_int_ge(X, Y) _ck_assert_int(X, >=, Y)
#define _ck_assert_uint(X, OP, Y) do { \
guint64 _ck_x = (X); \
guint64 _ck_y = (Y); \
ck_assert_msg(_ck_x OP _ck_y, "Assertion '%s' failed: " \
"%s==%" G_GUINT64_FORMAT ", %s==%" G_GUINT64_FORMAT, #X#OP#Y, #X, _ck_x, #Y, _ck_y); \
} while (0)
/**
* Check two unsigned integers to determine if X==Y
*
* If not X==Y, the test fails.
*
* @param X signed integer
* @param Y signed integer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_uint_eq(X, Y) _ck_assert_uint(X, ==, Y)
/**
* Check two unsigned integers to determine if X!=Y
*
* If not X!=Y, the test fails.
*
* @param X signed integer
* @param Y signed integer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_uint_ne(X, Y) _ck_assert_uint(X, !=, Y)
/**
* Check two unsigned integers to determine if X<Y
*
* If not X<Y, the test fails.
*
* @param X signed integer
* @param Y signed integer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_uint_lt(X, Y) _ck_assert_uint(X, <, Y)
/**
* Check two unsigned integers to determine if X<=Y
*
* If not X<=Y, the test fails.
*
* @param X signed integer
* @param Y signed integer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_uint_le(X, Y) _ck_assert_uint(X, <=, Y)
/**
* Check two unsigned integers to determine if X>Y
*
* If not X>Y, the test fails.
*
* @param X signed integer
* @param Y signed integer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_uint_gt(X, Y) _ck_assert_uint(X, >, Y)
/**
* Check two unsigned integers to determine if X>=Y
*
* If not X>=Y, the test fails.
*
* @param X signed integer
* @param Y signed integer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_uint_ge(X, Y) _ck_assert_uint(X, >=, Y)
/* String comparison macros with improved output compared to ck_assert() */
/* OP might be any operator that can be used in '0 OP strcmp(X,Y)' comparison */
/* The x and y parameter swap in strcmp() is needed to handle >, >=, <, <= operators */
#define _ck_assert_str(X, OP, Y) do { \
const char* _ck_x = (X); \
const char* _ck_y = (Y); \
ck_assert_msg(0 OP strcmp(_ck_y, _ck_x), \
"Assertion '%s' failed: %s==\"%s\", %s==\"%s\"", #X#OP#Y, #X, _ck_x, #Y, _ck_y); \
} while (0)
/**
* Check two strings to determine if 0==strcmp(X,Y)
*
* If not 0==strcmp(X,Y), the test fails.
*
* @param X string
* @param Y string to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.6
*/
#define ck_assert_str_eq(X, Y) _ck_assert_str(X, ==, Y)
/**
* Check two strings to determine if 0!=strcmp(X,Y)
*
* If not 0!=strcmp(X,Y), the test fails.
*
* @param X string
* @param Y string to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.6
*/
#define ck_assert_str_ne(X, Y) _ck_assert_str(X, !=, Y)
/**
* Check two strings to determine if 0<strcmp(X,Y), (e.g. strcmp(X,Y)>0)
*
* If not 0<strcmp(X,Y), the test fails.
*
* @param X string
* @param Y string to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_str_lt(X, Y) _ck_assert_str(X, <, Y)
/**
* Check two strings to determine if 0<=strcmp(X,Y) (e.g. strcmp(X,Y)>=0)
*
* If not 0<=strcmp(X,Y), the test fails.
*
* @param X string
* @param Y string to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_str_le(X, Y) _ck_assert_str(X, <=, Y)
/**
* Check two strings to determine if 0<strcmp(X,Y) (e.g. strcmp(X,Y)>0)
*
* If not 0<strcmp(X,Y), the test fails.
*
* @param X string
* @param Y string to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_str_gt(X, Y) _ck_assert_str(X, >, Y)
/**
* Check two strings to determine if 0>=strcmp(X,Y) (e.g. strcmp(X,Y)<=0)
*
* If not 0>=strcmp(X,Y), the test fails.
*
* @param X string
* @param Y string to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_str_ge(X, Y) _ck_assert_str(X, >=, Y)
/* Pointer comparison macros with improved output compared to ck_assert(). */
/* OP may only be == or != */
#define _ck_assert_ptr(X, OP, Y) do { \
const void* _ck_x = (X); \
const void* _ck_y = (Y); \
ck_assert_msg(_ck_x OP _ck_y, "Assertion '%s' failed: %s==%#x, %s==%#x", #X#OP#Y, #X, _ck_x, #Y, _ck_y); \
} while (0)
/**
* Check if two pointers are equal.
*
* If the two passed pointers are not equal, the test
* fails.
*
* @param X pointer
* @param Y pointer to compare against X
*
* @note If the check fails, the remaining of the test is aborted
*
* @since 0.9.10
*/
#define ck_assert_ptr_eq(X, Y) _ck_assert_ptr(X, ==, Y)
/**
* Check if two pointers are not.
*
* If the two passed pointers are equal, the test fails.
*
* @param X pointer
* @param Y pointer to compare against X
*
* @since 0.9.10
*/
#define ck_assert_ptr_ne(X, Y) _ck_assert_ptr(X, !=, Y)
/**
* Mark the last point reached in a unit test.
*
* If the test throws a signal or exits, the location noted with the
* failure is the last location of a ck_assert*() or ck_abort() call.
* Use mark_point() to record intermediate locations (useful for tracking down
* crashes or exits).
*
* @since 0.6.0
*/
#define mark_point() _mark_point(__FILE__,__LINE__)
/* Non macro version of #mark_point */
CK_DLL_EXP void CK_EXPORT _mark_point (const char *file, int line);
/**
* Enum describing the possible results of a test
*/
enum test_result
{
CK_TEST_RESULT_INVALID, /**< Default value; should not encounter this */
CK_PASS, /**< Test passed */
CK_FAILURE, /**< Test completed but failed */
CK_ERROR /**< Test failed to complete
(unexpected signal or non-zero early exit) */
};
/**
* Enum specifying the verbosity of output a SRunner should produce
*/
enum print_output
{
CK_SILENT, /**< No output */
CK_MINIMAL, /**< Only summary output */
CK_NORMAL, /**< All failed tests */
CK_VERBOSE, /**< All tests */
CK_ENV, /**< Look at environment var CK_VERBOSITY
for what verbosity to use, which can be
either "silent", "minimal", "normal",
or "verbose". If the environment variable
is not set, then CK_NORMAL will be used.*/
#if @ENABLE_SUBUNIT@
CK_SUBUNIT, /**< Run as a subunit child process */
#endif
CK_LAST /**< Not a valid option */
};
/**
* Holds state for a running of a test suite
*/
typedef struct SRunner SRunner;
/**
* Opaque type for a test failure
*/
typedef struct TestResult TestResult;
/**
* Enum representing the types of contexts for a test
*/
enum ck_result_ctx
{
CK_CTX_INVALID, /**< Default value; should not encounter this */
CK_CTX_SETUP, /**< Setup before a test */
CK_CTX_TEST, /**< Body of test itself */
CK_CTX_TEARDOWN /**< Teardown after a test */
};
/**
* Retrieve type of result that the given test result represents.
*
* This is a member of test_result, and can represent a
* pass, failure, or error.
*
* @param tr test result to retrieve result from
*
* @return result of given test
*
* @since 0.6.0
*/
CK_DLL_EXP int CK_EXPORT tr_rtype (TestResult * tr);
/**
* Retrieve context in which the result occurred for the given test result.
*
* The types of contents include the test setup, teardown, or the
* body of the test itself.
*
* @param tr test result to retrieve context from
*
* @return context to which the given test result applies
*
* @since 0.8.0
*/
CK_DLL_EXP enum ck_result_ctx CK_EXPORT tr_ctx (TestResult * tr);
/**
* Retrieve failure message from test result, if applicable.
*
* @return pointer to a message, if one exists. NULL otherwise.
*
* @since 0.6.0
*/
CK_DLL_EXP const char *CK_EXPORT tr_msg (TestResult * tr);
/**
* Retrieve line number at which a failure occurred, if applicable.
*
* @return If the test resulted in a failure, returns the line number
* that the failure occurred on; otherwise returns -1.
*
* @since 0.6.0
*/
CK_DLL_EXP int CK_EXPORT tr_lno (TestResult * tr);
/**
* Retrieve file name at which a failure occurred, if applicable.
*
* @return If the test resulted in a failure, returns a string
* containing the name of the file where the failure
* occurred; otherwise returns NULL.
*
* @since 0.6.0
*/
CK_DLL_EXP const char *CK_EXPORT tr_lfile (TestResult * tr);
/**
* Retrieve test case name in which a failure occurred, if applicable.
*
* @return If the test resulted in a failure, returns a string
* containing the name of the test suite where the failure
* occurred; otherwise returns NULL.
*
* @since 0.6.0
*/
CK_DLL_EXP const char *CK_EXPORT tr_tcname (TestResult * tr);
/**
* Creates a suite runner for the given suite.
*
* Once created, additional suites can be added to the
* suite runner using srunner_add_suite(), and the suite runner can be
* run with srunner_run_all(). Once finished, the suite runner
* must be freed with srunner_free().
*
* @param s suite to generate a suite runner for
*
* @return suite runner for the given suite
*
* @since 0.6.0
*/
CK_DLL_EXP SRunner *CK_EXPORT srunner_create (Suite * s);
/**
* Add an additional suite to a suite runner.
*
* The first suite in a suite runner is always added in srunner_create().
* This call adds additional suites to a suite runner.
*
* @param sr suite runner to add the given suite
* @param s suite to add to the given suite runner
*
* @since 0.7.0
*/
CK_DLL_EXP void CK_EXPORT srunner_add_suite (SRunner * sr, Suite * s);
/**
* Frees a suite runner, including all contained suite and test cases.
*
* This call is responsible for freeing all resources related to a
* suite runner and all contained suites and test cases. Suite and
* test cases need not be freed individually, as this call handles that.
*
* @param sr suite runner to free
*
* @since 0.6.0
*/
CK_DLL_EXP void CK_EXPORT srunner_free (SRunner * sr);
/**
* Runs a suite runner and all contained suite, printing results to
* stdout as specified by the print_mode.
*
* In addition to running all suites, if the suite runner has been
* configured to output to a log, that is also performed.
*
* Note that if the CK_RUN_CASE, CK_RUN_SUITE, CK_INCLUDE_TAGS and/or
* CK_EXCLUDE_TAGS environment variables are defined, then only the
* named suites or test cases will run.
*
* @param sr suite runner to run all suites from
* @param print_mode the verbosity in which to report results to stdout
*
* @since 0.6.0
*/
CK_DLL_EXP void CK_EXPORT srunner_run_all (SRunner * sr,
enum print_output print_mode);
/**
* Run a specific suite or test case from a suite runner, printing results
* to stdout as specified by the print_mode.
*
* In addition to running any applicable suites or test cases, if the
* suite runner has been configured to output to a log, that is also
* performed.
*
* Note that if the sname and tcname parameters are passed as null
* then the function will fallback to using the environment variables
* CK_RUN_SUITE and CK_RUN_CASE respectively in order to select the
* suite/cases.
*
* Similarly if the CK_INCLUDE_TAGS and/or CK_EXCLUDE_TAGS environment
* variables are defined then these will further filter the test cases
* (see srunner_run_tagged, below).
*
* @param sr suite runner where the given suite or test case must be
* @param sname suite name to run. A NULL means use the value of the
* environment variable CK_RUN_SUITE if set, otherwise run "any/every
* suite".
* @param tcname test case name to run. A NULL means use the value of
* the environment variable CK_RUN_CASE if set, otherwise run
* "any/every case".
* @param print_mode the verbosity in which to report results to stdout
*
* @since 0.9.9
*/
CK_DLL_EXP void CK_EXPORT srunner_run (SRunner * sr, const char *sname,
const char *tcname, enum print_output print_mode);
/**
* Run a specific suite or test case or testcases with specific tags
* from a suite runner, printing results to stdout as specified by the
* print_mode.
*
* In addition to running any applicable suites or test cases, if the
* suite runner has been configured to output to a log, that is also
* performed.
*
* Note that if sname, tcname, include_tags, exclude_tags parameters
* are passed as NULL then if the environment variables CK_RUN_SUITE,
* CK_RUN_CASE, CK_INCLUDE_TAGS, CK_EXCLUDE_TAGS are defined then these
* values will be used instead.
*
* @param sr suite runner where the given suite or test case must be
* @param sname suite name to run. A NULL means use the value of the
* environment variable CK_RUN_SUITE if set, otherwise run "any/every
* suite".
* @param tcname test case name to run. A NULL means use the value of
* the environment variable CK_RUN_CASE if set, otherwise run
* "any/every case".
* @param include_tags space separate list of tags. Only run test
* cases that share one of these tags. A NULL means use the value of
* the environment variable CK_INCLUDE_TAGS if set, otherwise run
* "any/every test case".
* @param exclude_tags space separate list of tags. Only run test
* cases that do not share one of these tags even if they are selected
* by an included tag. A NULL means use the value of the environment
* variable CK_EXCLUDE_TAGS if set, otherwise run "any/every test
* case".
* @param print_mode the verbosity in which to report results to stdout
*
* @since 0.11.0
*/
CK_DLL_EXP void CK_EXPORT srunner_run_tagged (SRunner * sr, const char *sname,
const char *tcname,
const char *include_tags,
const char *exclude_tags, enum print_output print_mode);
/**
* Retrieve the number of failed tests executed by a suite runner.
*
* This value represents both test failures and errors.
*
* @param sr suite runner to query for all failed tests
*
* @return number of test failures and errors found by the suite runner
*
* @since 0.6.1
*/
CK_DLL_EXP int CK_EXPORT srunner_ntests_failed (SRunner * sr);
/**
* Retrieve the total number of tests run by a suite runner.
*
* @param sr suite runner to query for all tests run
*
* @return number of all tests run by the suite runner
*
* @since 0.6.1
*/
CK_DLL_EXP int CK_EXPORT srunner_ntests_run (SRunner * sr);
/**
* Return an array of results for all failures found by a suite runner.
*
* Number of results is equal to srunner_nfailed_tests().
*
* Information about individual results can be queried using:
* tr_rtype(), tr_ctx(), tr_msg(), tr_lno(), tr_lfile(), and tr_tcname().
*
* Memory is malloc'ed and must be freed; however free the entire structure
* instead of individual test cases.
*
* @param sr suite runner to retrieve results from
*
* @return array of TestResult objects
*
* @since 0.6.0
*/
CK_DLL_EXP TestResult **CK_EXPORT srunner_failures (SRunner * sr);
/**
* Return an array of results for all tests run by a suite runner.
*
* Number of results is equal to srunner_ntests_run(), and excludes
* failures due to setup function failure.
*
* Information about individual results can be queried using:
* tr_rtype(), tr_ctx(), tr_msg(), tr_lno(), tr_lfile(), and tr_tcname().
*
* Memory is malloc'ed and must be freed; however free the entire structure
* instead of individual test cases.
*
* @param sr suite runner to retrieve results from
*
* @return array of TestResult objects
*
* @since 0.6.1
*/
CK_DLL_EXP TestResult **CK_EXPORT srunner_results (SRunner * sr);
/**
* Print the results contained in an SRunner to stdout.
*
* @param sr suite runner to print results for to stdout
* @param print_mode the print_output (verbosity) to use to report
* the result
*
* @since 0.7.0
*/
CK_DLL_EXP void CK_EXPORT srunner_print (SRunner * sr,
enum print_output print_mode);
/**
* Set the suite runner to output the result in log format to the
* given file.
*
* Note: log file setting is an initialize only operation -- it should
* be done immediately after SRunner creation, and the log file can't be
* changed after being set.
*
* This setting does not conflict with the other log output types;
* all logging types can occur concurrently if configured.
*
* @param sr suite runner to log results of in log format
* @param fname file name to output log results to
*
* @since 0.7.1
*/
CK_DLL_EXP void CK_EXPORT srunner_set_log (SRunner * sr, const char *fname);
/**
* Checks if the suite runner is assigned a file for log output.
*
* @param sr suite runner to check
*
* @return 1 iff the suite runner currently is configured to output
* in log format; 0 otherwise
*
* @since 0.7.1
*/
CK_DLL_EXP int CK_EXPORT srunner_has_log (SRunner * sr);
/**
* Retrieves the name of the currently assigned file
* for log output, if any exists.
*
* @return the name of the log file, or NULL if none is configured
*
* @since 0.7.1
*/
CK_DLL_EXP const char *CK_EXPORT srunner_log_fname (SRunner * sr);
/**
* Set the suite runner to output the result in XML format to the
* given file.
*
* Note: XML file setting is an initialize only operation -- it should
* be done immediately after SRunner creation, and the XML file can't be
* changed after being set.
*
* This setting does not conflict with the other log output types;
* all logging types can occur concurrently if configured.
*
* @param sr suite runner to log results of in XML format
* @param fname file name to output XML results to
*
* @since 0.9.1
*/
CK_DLL_EXP void CK_EXPORT srunner_set_xml (SRunner * sr, const char *fname);
/**
* Checks if the suite runner is assigned a file for XML output.
*
* @param sr suite runner to check
*
* @return 1 iff the suite runner currently is configured to output
* in XML format; 0 otherwise
*
* @since 0.9.1
*/
CK_DLL_EXP int CK_EXPORT srunner_has_xml (SRunner * sr);
/**
* Retrieves the name of the currently assigned file
* for XML output, if any exists.
*
* @return the name of the XML file, or NULL if none is configured
*
* @since 0.9.1
*/
CK_DLL_EXP const char *CK_EXPORT srunner_xml_fname (SRunner * sr);
/**
* Set the suite runner to output the result in TAP format to the
* given file.
*
* Note: TAP file setting is an initialize only operation -- it should
* be done immediately after SRunner creation, and the TAP file can't be
* changed after being set.
*
* This setting does not conflict with the other log output types;
* all logging types can occur concurrently if configured.
*
* @param sr suite runner to log results of in TAP format
* @param fname file name to output TAP results to
*
* @since 0.9.12
*/
CK_DLL_EXP void CK_EXPORT srunner_set_tap (SRunner * sr, const char *fname);
/**
* Checks if the suite runner is assigned a file for TAP output.
*
* @param sr suite runner to check
*
* @return 1 iff the suite runner currently is configured to output
* in TAP format; 0 otherwise
*
* @since 0.9.12
*/
CK_DLL_EXP int CK_EXPORT srunner_has_tap (SRunner * sr);
/**
* Retrieves the name of the currently assigned file
* for TAP output, if any exists.
*
* @return the name of the TAP file, or NULL if none is configured
*
* @since 0.9.12
*/
CK_DLL_EXP const char *CK_EXPORT srunner_tap_fname (SRunner * sr);
/**
* Enum describing the current fork usage.
*/
enum fork_status
{
CK_FORK_GETENV, /**< look in the environment for CK_FORK */
CK_FORK, /**< call fork to run tests */
CK_NOFORK /**< don't call fork */
};
/**
* Retrieve the current fork status for the given suite runner
*
* @param sr suite runner to check fork status of
*
* @since 0.8.0
*/
CK_DLL_EXP enum fork_status CK_EXPORT srunner_fork_status (SRunner * sr);
/**
* Set the fork status for a given suite runner.
*
* The default fork status is CK_FORK_GETENV, which will look
* for the CK_FORK environment variable, which can be set to
* "yes" or "no". If the environment variable is not present,
* CK_FORK will be used if fork() is available on the system,
* otherwise CK_NOFORK is used.
*
* If set to CK_FORK or CK_NOFORK, the environment variable
* if defined is ignored.
*
* If Check is compiled without support for fork(), attempting
* to set the status to CK_FORK is ignored.
*
* @param sr suite runner to assign the fork status to
* @param fstat fork status to assign
*
* @since 0.8.0
*/
CK_DLL_EXP void CK_EXPORT srunner_set_fork_status (SRunner * sr,
enum fork_status fstat);
/**
* Invoke fork() during a test and assign the child to the same
* process group that the rest of the test case uses.
*
* One can invoke fork() directly during a test; however doing so
* may not guarantee that any children processes are destroyed once
* the test finishes. Once a test has completed, all processes in
* the process group will be killed; using this wrapper will prevent
* orphan processes.
*
* If Check is compiled without fork() support this call simply
* return -1 and does nothing.
*
* @return On success, the PID of the child process is returned in
* the parent, and 0 is returned in the child. On failure,
* a value of -1 is returned to the parent process and no
* child process is created.
*
* @since 0.9.3
*/
#if !defined(_MSC_VER)
CK_DLL_EXP pid_t CK_EXPORT check_fork (void);
#endif
/**
* Wait for the pid and exit.
*
* This is to be used in conjunction with check_fork(). When called,
* will wait for the given process to terminate. If the process
* exited without error, exit(EXIT_SUCCESS) is invoked; otherwise
* exit(EXIT_FAILURE) is invoked.
*
* If Check is compiled without support for fork(), this invokes
* exit(EXIT_FAILURE).
*
* @param pid process to wait for, created by check_fork()
*
* @since 0.9.3
*/
#if !defined(_MSC_VER)
CK_DLL_EXP void CK_EXPORT
check_waitpid_and_exit (pid_t pid)
CK_ATTRIBUTE_NORETURN;
#endif
#ifdef __cplusplus
CK_CPPEND
#endif
#endif /* CHECK_H */