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/*
* Basic utility routines for the TAP protocol.
*
* This file is part of C TAP Harness. The current version plus supporting
* documentation is at <http://www.eyrie.org/~eagle/software/c-tap-harness/>.
*
* Copyright 2009, 2010, 2011, 2012, 2013, 2014, 2015
* Russ Allbery <eagle@eyrie.org>
* Copyright 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2011, 2012, 2014
* The Board of Trustees of the Leland Stanford Junior University
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef TAP_BASIC_H
#define TAP_BASIC_H 1
#include <tests/tap/macros.h>
#include <stdarg.h> /* va_list */
#include <stddef.h> /* size_t */
/*
* Used for iterating through arrays. ARRAY_SIZE returns the number of
* elements in the array (useful for a < upper bound in a for loop) and
* ARRAY_END returns a pointer to the element past the end (ISO C99 makes it
* legal to refer to such a pointer as long as it's never dereferenced).
*/
#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
#define ARRAY_END(array) (&(array)[ARRAY_SIZE(array)])
BEGIN_DECLS
/*
* The test count. Always contains the number that will be used for the next
* test status.
*/
extern unsigned long testnum;
/* Print out the number of tests and set standard output to line buffered. */
void plan(unsigned long count);
/*
* Prepare for lazy planning, in which the plan will be printed automatically
* at the end of the test program.
*/
void plan_lazy(void);
/* Skip the entire test suite. Call instead of plan. */
void skip_all(const char *format, ...)
__attribute__((__noreturn__, __format__(printf, 1, 2)));
/*
* Basic reporting functions. The okv() function is the same as ok() but
* takes the test description as a va_list to make it easier to reuse the
* reporting infrastructure when writing new tests. ok() and okv() return the
* value of the success argument.
*/
int ok(int success, const char *format, ...)
__attribute__((__format__(printf, 2, 3)));
int okv(int success, const char *format, va_list args)
__attribute__((__format__(printf, 2, 0)));
void skip(const char *reason, ...)
__attribute__((__format__(printf, 1, 2)));
/*
* Report the same status on, or skip, the next count tests. ok_block()
* returns the value of the success argument.
*/
int ok_block(unsigned long count, int success, const char *format, ...)
__attribute__((__format__(printf, 3, 4)));
void skip_block(unsigned long count, const char *reason, ...)
__attribute__((__format__(printf, 2, 3)));
/*
* Check an expected value against a seen value. Returns true if the test
* passes and false if it fails.
*/
int is_int(long wanted, long seen, const char *format, ...)
__attribute__((__format__(printf, 3, 4)));
int is_string(const char *wanted, const char *seen, const char *format, ...)
__attribute__((__format__(printf, 3, 4)));
int is_hex(unsigned long wanted, unsigned long seen, const char *format, ...)
__attribute__((__format__(printf, 3, 4)));
/* Bail out with an error. sysbail appends strerror(errno). */
void bail(const char *format, ...)
__attribute__((__noreturn__, __nonnull__, __format__(printf, 1, 2)));
void sysbail(const char *format, ...)
__attribute__((__noreturn__, __nonnull__, __format__(printf, 1, 2)));
/* Report a diagnostic to stderr prefixed with #. */
int diag(const char *format, ...)
__attribute__((__nonnull__, __format__(printf, 1, 2)));
int sysdiag(const char *format, ...)
__attribute__((__nonnull__, __format__(printf, 1, 2)));
/*
* Register or unregister a file that contains supplementary diagnostics.
* Before any other output, all registered files will be read, line by line,
* and each line will be reported as a diagnostic as if it were passed to
* diag(). Nul characters are not supported in these files and will result in
* truncated output.
*/
void diag_file_add(const char *file)
__attribute__((__nonnull__));
void diag_file_remove(const char *file)
__attribute__((__nonnull__));
/* Allocate memory, reporting a fatal error with bail on failure. */
void *bcalloc(size_t, size_t)
__attribute__((__alloc_size__(1, 2), __malloc__, __warn_unused_result__));
void *bmalloc(size_t)
__attribute__((__alloc_size__(1), __malloc__, __warn_unused_result__));
void *breallocarray(void *, size_t, size_t)
__attribute__((__alloc_size__(2, 3), __malloc__, __warn_unused_result__));
void *brealloc(void *, size_t)
__attribute__((__alloc_size__(2), __malloc__, __warn_unused_result__));
char *bstrdup(const char *)
__attribute__((__malloc__, __nonnull__, __warn_unused_result__));
char *bstrndup(const char *, size_t)
__attribute__((__malloc__, __nonnull__, __warn_unused_result__));
/*
* Find a test file under BUILD or SOURCE, returning the full path. The
* returned path should be freed with test_file_path_free().
*/
char *test_file_path(const char *file)
__attribute__((__malloc__, __nonnull__, __warn_unused_result__));
void test_file_path_free(char *path);
/*
* Create a temporary directory relative to BUILD and return the path. The
* returned path should be freed with test_tmpdir_free.
*/
char *test_tmpdir(void)
__attribute__((__malloc__, __warn_unused_result__));
void test_tmpdir_free(char *path);
/*
* Register a cleanup function that is called when testing ends. All such
* registered functions will be run during atexit handling (and are therefore
* subject to all the same constraints and caveats as atexit functions).
*
* The function must return void and will be passed two arguments: an int that
* will be true if the test completed successfully and false otherwise, and an
* int that will be true if the cleanup function is run in the primary process
* (the one that called plan or plan_lazy) and false otherwise.
*/
typedef void (*test_cleanup_func)(int, int);
void test_cleanup_register(test_cleanup_func)
__attribute__((__nonnull__));
END_DECLS
#endif /* TAP_BASIC_H */
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