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48bd8cda09
Previously, the implementation would conditionally exit based on the status argument, which GCC did not know about. This leads to false uninitialized variable warnings when data is accessed after a TEST_VERIFY_EXIT failure (from code which would never execute).
99 lines
4.1 KiB
C
99 lines
4.1 KiB
C
/* Functionality for reporting test results.
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Copyright (C) 2016-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef SUPPORT_CHECK_H
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#define SUPPORT_CHECK_H
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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/* Record a test failure, print the failure message to standard output
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and return 1. */
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#define FAIL_RET(...) \
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return support_print_failure_impl (__FILE__, __LINE__, __VA_ARGS__)
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/* Print the failure message and terminate the process with STATUS.
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Record a the process as failed if STATUS is neither EXIT_SUCCESS
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nor EXIT_UNSUPPORTED. */
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#define FAIL_EXIT(status, ...) \
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support_exit_failure_impl (status, __FILE__, __LINE__, __VA_ARGS__)
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/* Record a test failure, print the failure message and terminate with
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exit status 1. */
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#define FAIL_EXIT1(...) \
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support_exit_failure_impl (1, __FILE__, __LINE__, __VA_ARGS__)
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/* Print failure message and terminate with as unsupported test (exit
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status of 77). */
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#define FAIL_UNSUPPORTED(...) \
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support_exit_failure_impl (77, __FILE__, __LINE__, __VA_ARGS__)
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/* Record a test failure (but continue executing) if EXPR evaluates to
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false. */
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#define TEST_VERIFY(expr) \
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({ \
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if (expr) \
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; \
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else \
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support_test_verify_impl (__FILE__, __LINE__, #expr); \
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})
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/* Record a test failure and exit if EXPR evaluates to false. */
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#define TEST_VERIFY_EXIT(expr) \
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({ \
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if (expr) \
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; \
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else \
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support_test_verify_exit_impl \
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(1, __FILE__, __LINE__, #expr); \
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})
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int support_print_failure_impl (const char *file, int line,
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const char *format, ...)
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__attribute__ ((nonnull (1), format (printf, 3, 4)));
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void support_exit_failure_impl (int exit_status,
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const char *file, int line,
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const char *format, ...)
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__attribute__ ((noreturn, nonnull (2), format (printf, 4, 5)));
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void support_test_verify_impl (const char *file, int line,
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const char *expr);
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void support_test_verify_exit_impl (int status, const char *file, int line,
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const char *expr)
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__attribute__ ((noreturn));
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/* Record a test failure. This function returns and does not
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terminate the process. The failure counter is stored in a shared
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memory mapping, so that failures reported in child processes are
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visible to the parent process and test driver. This function
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depends on initialization by an ELF constructor, so it can only be
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invoked after the test driver has run. Note that this function
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does not support reporting failures from a DSO. */
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void support_record_failure (void);
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/* Internal function called by the test driver. */
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int support_report_failure (int status)
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__attribute__ ((weak, warn_unused_result));
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/* Internal function used to test the failure recording framework. */
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void support_record_failure_reset (void);
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__END_DECLS
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#endif /* SUPPORT_CHECK_H */
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