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/* $Id$
**
** Some utility routines for writing tests.
**
** Herein are a variety of utility routines for writing tests. All
** routines of the form ok*() take a test number and some number of
** appropriate arguments, check to be sure the results match the expected
** output using the arguments, and print out something appropriate for that
** test number. Other utility routines help in constructing more complex
** tests.
**
** Copyright 2006
** Board of Trustees, Leland Stanford Jr. University
** Copyright (c) 2004, 2005, 2006
** by Internet Systems Consortium, Inc. ("ISC")
** Copyright (c) 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
** 2002, 2003 by The Internet Software Consortium and Rich Salz
**
** This code is derived from software contributed to the Internet Software
** Consortium by Rich Salz.
**
** Permission to use, copy, modify, and distribute this software for any
** purpose with or without fee is hereby granted, provided that the above
** copyright notice and this permission notice appear in all copies.
**
** THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
** REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
** MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY
** SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
** WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
** ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
** OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#include <system.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <tests/libtest.h>
#include <util/util.h>
/* A global buffer into which message_log_buffer stores error messages. */
char *errors = NULL;
/*
** Initialize things. Turns on line buffering on stdout and then prints out
** the number of tests in the test suite.
*/
void
test_init(int count)
{
if (setvbuf(stdout, NULL, _IOLBF, BUFSIZ) != 0)
syswarn("cannot set stdout to line buffered");
printf("%d\n", count);
}
/*
** Takes a boolean success value and assumes the test passes if that value
** is true and fails if that value is false.
*/
void
ok(int n, int success)
{
printf("%sok %d\n", success ? "" : "not ", n);
}
/*
** Takes an expected integer and a seen integer and assumes the test passes
** if those two numbers match.
*/
void
ok_int(int n, int wanted, int seen)
{
if (wanted == seen)
printf("ok %d\n", n);
else
printf("not ok %d\n wanted: %d\n seen: %d\n", n, wanted, seen);
}
/*
** Takes a string and what the string should be, and assumes the test
** passes if those strings match (using strcmp).
*/
void
ok_string(int n, const char *wanted, const char *seen)
{
if (wanted == NULL)
wanted = "(null)";
if (seen == NULL)
seen = "(null)";
if (strcmp(wanted, seen) != 0)
printf("not ok %d\n wanted: %s\n seen: %s\n", n, wanted, seen);
else
printf("ok %d\n", n);
}
/*
** Takes an expected integer and a seen integer and assumes the test passes
** if those two numbers match.
*/
void
ok_double(int n, double wanted, double seen)
{
if (wanted == seen)
printf("ok %d\n", n);
else
printf("not ok %d\n wanted: %g\n seen: %g\n", n, wanted, seen);
}
/*
** Skip a test.
*/
void
skip(int n, const char *reason)
{
printf("ok %d # skip", n);
if (reason != NULL)
printf(" - %s", reason);
putchar('\n');
}
/*
** Report the same status on the next count tests.
*/
void
ok_block(int n, int count, int status)
{
int i;
for (i = 0; i < count; i++)
ok(n++, status);
}
/*
** Skip the next count tests.
*/
void
skip_block(int n, int count, const char *reason)
{
int i;
for (i = 0; i < count; i++)
skip(n++, reason);
}
/*
** An error handler that appends all errors to the errors global. Used by
** error_capture.
*/
static void
message_log_buffer(int len, const char *fmt, va_list args, int error UNUSED)
{
char *message;
message = xmalloc(len + 1);
vsnprintf(message, len + 1, fmt, args);
if (errors == NULL) {
errors = concat(message, "\n", (char *) 0);
} else {
char *new_errors;
new_errors = concat(errors, message, "\n", (char *) 0);
free(errors);
errors = new_errors;
}
free(message);
}
/*
** Turn on the capturing of errors. Errors will be stored in the global
** errors variable where they can be checked by the test suite. Capturing is
** turned off with errors_uncapture.
*/
void
errors_capture(void)
{
if (errors != NULL) {
free(errors);
errors = NULL;
}
message_handlers_warn(1, message_log_buffer);
message_handlers_notice(1, message_log_buffer);
}
/*
** Turn off the capturing of errors again.
*/
void
errors_uncapture(void)
{
message_handlers_warn(1, message_log_stderr);
message_handlers_notice(1, message_log_stdout);
}
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