mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 05:20:06 +00:00
2afece36f6
The declaration of support_test_compare_blob uses unsigned long int, to avoid including <stddef.h>. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
176 lines
8.4 KiB
C
176 lines
8.4 KiB
C
/* Functionality for reporting test results.
|
|
Copyright (C) 2016-2018 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C 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.
|
|
|
|
The GNU C 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 the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef SUPPORT_CHECK_H
|
|
#define SUPPORT_CHECK_H
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/* Record a test failure, print the failure message to standard output
|
|
and return 1. */
|
|
#define FAIL_RET(...) \
|
|
return support_print_failure_impl (__FILE__, __LINE__, __VA_ARGS__)
|
|
|
|
/* Print the failure message and terminate the process with STATUS.
|
|
Record a the process as failed if STATUS is neither EXIT_SUCCESS
|
|
nor EXIT_UNSUPPORTED. */
|
|
#define FAIL_EXIT(status, ...) \
|
|
support_exit_failure_impl (status, __FILE__, __LINE__, __VA_ARGS__)
|
|
|
|
/* Record a test failure, print the failure message and terminate with
|
|
exit status 1. */
|
|
#define FAIL_EXIT1(...) \
|
|
support_exit_failure_impl (1, __FILE__, __LINE__, __VA_ARGS__)
|
|
|
|
/* Print failure message and terminate with as unsupported test (exit
|
|
status of 77). */
|
|
#define FAIL_UNSUPPORTED(...) \
|
|
support_exit_failure_impl (77, __FILE__, __LINE__, __VA_ARGS__)
|
|
|
|
/* Record a test failure (but continue executing) if EXPR evaluates to
|
|
false. */
|
|
#define TEST_VERIFY(expr) \
|
|
({ \
|
|
if (expr) \
|
|
; \
|
|
else \
|
|
support_test_verify_impl (__FILE__, __LINE__, #expr); \
|
|
})
|
|
|
|
/* Record a test failure and exit if EXPR evaluates to false. */
|
|
#define TEST_VERIFY_EXIT(expr) \
|
|
({ \
|
|
if (expr) \
|
|
; \
|
|
else \
|
|
support_test_verify_exit_impl \
|
|
(1, __FILE__, __LINE__, #expr); \
|
|
})
|
|
|
|
|
|
|
|
int support_print_failure_impl (const char *file, int line,
|
|
const char *format, ...)
|
|
__attribute__ ((nonnull (1), format (printf, 3, 4)));
|
|
void support_exit_failure_impl (int exit_status,
|
|
const char *file, int line,
|
|
const char *format, ...)
|
|
__attribute__ ((noreturn, nonnull (2), format (printf, 4, 5)));
|
|
void support_test_verify_impl (const char *file, int line,
|
|
const char *expr);
|
|
void support_test_verify_exit_impl (int status, const char *file, int line,
|
|
const char *expr)
|
|
__attribute__ ((noreturn));
|
|
|
|
/* Record a test failure. This function returns and does not
|
|
terminate the process. The failure counter is stored in a shared
|
|
memory mapping, so that failures reported in child processes are
|
|
visible to the parent process and test driver. This function
|
|
depends on initialization by an ELF constructor, so it can only be
|
|
invoked after the test driver has run. Note that this function
|
|
does not support reporting failures from a DSO. */
|
|
void support_record_failure (void);
|
|
|
|
/* Static assertion, under a common name for both C++ and C11. */
|
|
#ifdef __cplusplus
|
|
# define support_static_assert static_assert
|
|
#else
|
|
# define support_static_assert _Static_assert
|
|
#endif
|
|
|
|
/* Compare the two integers LEFT and RIGHT and report failure if they
|
|
are different. */
|
|
#define TEST_COMPARE(left, right) \
|
|
({ \
|
|
/* + applies the integer promotions, for bitfield support. */ \
|
|
typedef __typeof__ (+ (left)) __left_type; \
|
|
typedef __typeof__ (+ (right)) __right_type; \
|
|
__left_type __left_value = (left); \
|
|
__right_type __right_value = (right); \
|
|
int __left_is_positive = __left_value > 0; \
|
|
int __right_is_positive = __right_value > 0; \
|
|
/* Prevent use with floating-point types. */ \
|
|
support_static_assert ((__left_type) 1.0 == (__left_type) 1.5, \
|
|
"left value has floating-point type"); \
|
|
support_static_assert ((__right_type) 1.0 == (__right_type) 1.5, \
|
|
"right value has floating-point type"); \
|
|
/* Prevent accidental use with larger-than-long long types. */ \
|
|
support_static_assert (sizeof (__left_value) <= sizeof (long long), \
|
|
"left value fits into long long"); \
|
|
support_static_assert (sizeof (__right_value) <= sizeof (long long), \
|
|
"right value fits into long long"); \
|
|
/* Compare the value. */ \
|
|
if (__left_value != __right_value \
|
|
|| __left_is_positive != __right_is_positive) \
|
|
/* Pass the sign for printing the correct value. */ \
|
|
support_test_compare_failure \
|
|
(__FILE__, __LINE__, \
|
|
#left, __left_value, __left_is_positive, sizeof (__left_type), \
|
|
#right, __right_value, __right_is_positive, sizeof (__right_type)); \
|
|
})
|
|
|
|
/* Internal implementation of TEST_COMPARE. LEFT_POSITIVE and
|
|
RIGHT_POSITIVE are used to store the sign separately, so that both
|
|
unsigned long long and long long arguments fit into LEFT_VALUE and
|
|
RIGHT_VALUE, and the function can still print the original value.
|
|
LEFT_SIZE and RIGHT_SIZE specify the size of the argument in bytes,
|
|
for hexadecimal formatting. */
|
|
void support_test_compare_failure (const char *file, int line,
|
|
const char *left_expr,
|
|
long long left_value,
|
|
int left_positive,
|
|
int left_size,
|
|
const char *right_expr,
|
|
long long right_value,
|
|
int right_positive,
|
|
int right_size);
|
|
|
|
|
|
/* Compare [LEFT, LEFT + LEFT_LENGTH) with [RIGHT, RIGHT +
|
|
RIGHT_LENGTH) and report a test failure if the arrays are
|
|
different. LEFT_LENGTH and RIGHT_LENGTH are measured in bytes. If
|
|
the length is null, the corresponding pointer is ignored (i.e., it
|
|
can be NULL). The blobs should be reasonably short because on
|
|
mismatch, both are printed. */
|
|
#define TEST_COMPARE_BLOB(left, left_length, right, right_length) \
|
|
(support_test_compare_blob (left, left_length, right, right_length, \
|
|
__FILE__, __LINE__, \
|
|
#left, #left_length, #right, #right_length))
|
|
|
|
void support_test_compare_blob (const void *left,
|
|
unsigned long int left_length,
|
|
const void *right,
|
|
unsigned long int right_length,
|
|
const char *file, int line,
|
|
const char *left_exp, const char *left_len_exp,
|
|
const char *right_exp,
|
|
const char *right_len_exp);
|
|
|
|
/* Internal function called by the test driver. */
|
|
int support_report_failure (int status)
|
|
__attribute__ ((weak, warn_unused_result));
|
|
|
|
/* Internal function used to test the failure recording framework. */
|
|
void support_record_failure_reset (void);
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* SUPPORT_CHECK_H */
|