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Diffstat (limited to 'tests/tap/basic.h')
| -rw-r--r-- | tests/tap/basic.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/tests/tap/basic.h b/tests/tap/basic.h new file mode 100644 index 000000000000..45f15f2892a7 --- /dev/null +++ b/tests/tap/basic.h @@ -0,0 +1,192 @@ +/* + * Basic utility routines for the TAP protocol. + * + * This file is part of C TAP Harness. The current version plus supporting + * documentation is at <https://www.eyrie.org/~eagle/software/c-tap-harness/>. + * + * Written by Russ Allbery <eagle@eyrie.org> + * Copyright 2009-2019 Russ Allbery <eagle@eyrie.org> + * Copyright 2001-2002, 2004-2008, 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. + * + * SPDX-License-Identifier: MIT + */ + +#ifndef TAP_BASIC_H +#define TAP_BASIC_H 1 + +#include <stdarg.h> /* va_list */ +#include <stddef.h> /* size_t */ +#include <tests/tap/macros.h> + +/* + * 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))); + +/* + * Compare two values. Returns true if the test passes and false if it fails. + * is_bool takes an int since the bool type isn't fully portable yet, but + * interprets both arguments for their truth value, not for their numeric + * value. + */ +int is_bool(int, int, const char *format, ...) + __attribute__((__format__(printf, 3, 4))); +int is_int(long, long, const char *format, ...) + __attribute__((__format__(printf, 3, 4))); +int is_string(const char *, const char *, const char *format, ...) + __attribute__((__format__(printf, 3, 4))); +int is_hex(unsigned long, unsigned long, const char *format, ...) + __attribute__((__format__(printf, 3, 4))); +int is_blob(const void *, const void *, size_t, const char *format, ...) + __attribute__((__format__(printf, 4, 5))); + +/* 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__)); + +/* + * Macros that cast the return value from b* memory functions, making them + * usable in C++ code and providing some additional type safety. + */ +#define bcalloc_type(n, type) ((type *) bcalloc((n), sizeof(type))) +#define breallocarray_type(p, n, type) \ + ((type *) breallocarray((p), (n), sizeof(type))) + +/* + * Find a test file under C_TAP_BUILD or C_TAP_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 C_TAP_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. If + * test_cleanup_register_with_data is used instead, a generic pointer can be + * provided and will be passed to the cleanup function as a third argument. + * + * test_cleanup_register_with_data is the better API and should have been the + * only API. test_cleanup_register was an API error preserved for backward + * cmpatibility. + */ +typedef void (*test_cleanup_func)(int, int); +typedef void (*test_cleanup_func_with_data)(int, int, void *); + +void test_cleanup_register(test_cleanup_func) __attribute__((__nonnull__)); +void test_cleanup_register_with_data(test_cleanup_func_with_data, void *) + __attribute__((__nonnull__)); + +END_DECLS + +#endif /* TAP_BASIC_H */ |
