Imported Upstream version 1.4.13+git200906171200

This commit is contained in:
Jan Wagner 2013-11-26 23:56:50 +01:00
parent 4ab9f0d24c
commit d0b8ab8112
362 changed files with 34110 additions and 10773 deletions

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tap/Makefile.am Normal file
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# Tap self-tests are not implemented (yet?)
# SUBDIRS = tests
if USE_LIBTAP_LOCAL
noinst_LTLIBRARIES = libtap.la
libtap_la_SOURCES = tap.c tap.h
include_HEADERS = tap.h
endif USE_LIBTAP_LOCAL
# see top comment
#prove:
# prove -v -r

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tap/Makefile.in Normal file

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NAME
tap -- write tests that implement the Test Anything Protocol
SYNOPSIS
#include <tap.h>
DESCRIPTION
The tap library provides functions for writing test scripts that produce
output consistent with the Test Anything Protocol. A test harness that
parses this protocol can run these tests and produce useful reports indi-
cating their success or failure.

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/*-
* Copyright (c) 2004 Nik Clayton
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "tap.h"
static int no_plan = 0;
static int skip_all = 0;
static int have_plan = 0;
static unsigned int test_count = 0; /* Number of tests that have been run */
static unsigned int e_tests = 0; /* Expected number of tests to run */
static unsigned int failures = 0; /* Number of tests that failed */
static char *todo_msg = NULL;
static char *todo_msg_fixed = "libtap malloc issue";
static int todo = 0;
static int test_died = 0;
/* Encapsulate the pthread code in a conditional. In the absence of
libpthread the code does nothing */
#ifdef HAVE_LIBPTHREAD
#include <pthread.h>
static pthread_mutex_t M = PTHREAD_MUTEX_INITIALIZER;
# define LOCK pthread_mutex_lock(&M);
# define UNLOCK pthread_mutex_unlock(&M);
#else
# define LOCK
# define UNLOCK
#endif
static void _expected_tests(unsigned int);
static void _tap_init(void);
static void _cleanup(void);
/*
* Generate a test result.
*
* ok -- boolean, indicates whether or not the test passed.
* test_name -- the name of the test, may be NULL
* test_comment -- a comment to print afterwards, may be NULL
*/
unsigned int
_gen_result(int ok, const char *func, char *file, unsigned int line,
char *test_name, ...)
{
va_list ap;
char *local_test_name = NULL;
char *c;
int name_is_digits;
LOCK;
test_count++;
/* Start by taking the test name and performing any printf()
expansions on it */
if(test_name != NULL) {
va_start(ap, test_name);
vasprintf(&local_test_name, test_name, ap);
va_end(ap);
/* Make sure the test name contains more than digits
and spaces. Emit an error message and exit if it
does */
if(local_test_name) {
name_is_digits = 1;
for(c = local_test_name; *c != '\0'; c++) {
if(!isdigit(*c) && !isspace(*c)) {
name_is_digits = 0;
break;
}
}
if(name_is_digits) {
diag(" You named your test '%s'. You shouldn't use numbers for your test names.", local_test_name);
diag(" Very confusing.");
}
}
}
if(!ok) {
printf("not ");
failures++;
}
printf("ok %d", test_count);
if(test_name != NULL) {
printf(" - ");
/* Print the test name, escaping any '#' characters it
might contain */
if(local_test_name != NULL) {
flockfile(stdout);
for(c = local_test_name; *c != '\0'; c++) {
if(*c == '#')
fputc('\\', stdout);
fputc((int)*c, stdout);
}
funlockfile(stdout);
} else { /* vasprintf() failed, use a fixed message */
printf("%s", todo_msg_fixed);
}
}
/* If we're in a todo_start() block then flag the test as being
TODO. todo_msg should contain the message to print at this
point. If it's NULL then asprintf() failed, and we should
use the fixed message.
This is not counted as a failure, so decrement the counter if
the test failed. */
if(todo) {
printf(" # TODO %s", todo_msg ? todo_msg : todo_msg_fixed);
if(!ok)
failures--;
}
printf("\n");
if(!ok)
diag(" Failed %stest (%s:%s() at line %d)",
todo ? "(TODO) " : "", file, func, line);
free(local_test_name);
UNLOCK;
/* We only care (when testing) that ok is positive, but here we
specifically only want to return 1 or 0 */
return ok ? 1 : 0;
}
/*
* Initialise the TAP library. Will only do so once, however many times it's
* called.
*/
void
_tap_init(void)
{
static int run_once = 0;
LOCK;
if(!run_once) {
atexit(_cleanup);
/* stdout needs to be unbuffered so that the output appears
in the same place relative to stderr output as it does
with Test::Harness */
setbuf(stdout, 0);
run_once = 1;
}
UNLOCK;
}
/*
* Note that there's no plan.
*/
int
plan_no_plan(void)
{
LOCK;
_tap_init();
if(have_plan != 0) {
fprintf(stderr, "You tried to plan twice!\n");
test_died = 1;
UNLOCK;
exit(255);
}
have_plan = 1;
no_plan = 1;
UNLOCK;
return 0;
}
/*
* Note that the plan is to skip all tests
*/
int
plan_skip_all(char *reason)
{
LOCK;
_tap_init();
skip_all = 1;
printf("1..0");
if(reason != NULL)
printf(" # Skip %s", reason);
printf("\n");
UNLOCK;
exit(0);
}
/*
* Note the number of tests that will be run.
*/
int
plan_tests(unsigned int tests)
{
LOCK;
_tap_init();
if(have_plan != 0) {
fprintf(stderr, "You tried to plan twice!\n");
test_died = 1;
UNLOCK;
exit(255);
}
if(tests == 0) {
fprintf(stderr, "You said to run 0 tests! You've got to run something.\n");
test_died = 1;
UNLOCK;
exit(255);
}
have_plan = 1;
_expected_tests(tests);
UNLOCK;
return 0;
}
unsigned int
diag(char *fmt, ...)
{
va_list ap;
LOCK;
fputs("# ", stderr);
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fputs("\n", stderr);
UNLOCK;
return 0;
}
void
_expected_tests(unsigned int tests)
{
LOCK;
printf("1..%d\n", tests);
e_tests = tests;
UNLOCK;
}
int
skip(unsigned int n, char *fmt, ...)
{
va_list ap;
char *skip_msg;
LOCK;
va_start(ap, fmt);
asprintf(&skip_msg, fmt, ap);
va_end(ap);
while(n-- > 0) {
test_count++;
printf("ok %d # skip %s\n", test_count,
skip_msg != NULL ?
skip_msg : "libtap():malloc() failed");
}
free(skip_msg);
UNLOCK;
return 1;
}
void
todo_start(char *fmt, ...)
{
va_list ap;
LOCK;
va_start(ap, fmt);
vasprintf(&todo_msg, fmt, ap);
va_end(ap);
todo = 1;
UNLOCK;
}
void
todo_end(void)
{
LOCK;
todo = 0;
free(todo_msg);
UNLOCK;
}
int
exit_status(void)
{
int r;
LOCK;
/* If there's no plan, just return the number of failures */
if(no_plan || !have_plan) {
UNLOCK;
return failures;
}
/* Ran too many tests? Return the number of tests that were run
that shouldn't have been */
if(e_tests < test_count) {
r = test_count - e_tests;
UNLOCK;
return r;
}
/* Return the number of tests that failed + the number of tests
that weren't run */
r = failures + e_tests - test_count;
UNLOCK;
return r;
}
/*
* Cleanup at the end of the run, produce any final output that might be
* required.
*/
void
_cleanup(void)
{
LOCK;
/* If plan_no_plan() wasn't called, and we don't have a plan,
and we're not skipping everything, then something happened
before we could produce any output */
if(!no_plan && !have_plan && !skip_all) {
diag("Looks like your test died before it could output anything.");
UNLOCK;
return;
}
if(test_died) {
diag("Looks like your test died just after %d.", test_count);
UNLOCK;
return;
}
/* No plan provided, but now we know how many tests were run, and can
print the header at the end */
if(!skip_all && (no_plan || !have_plan)) {
printf("1..%d\n", test_count);
}
if((have_plan && !no_plan) && e_tests < test_count) {
diag("Looks like you planned %d tests but ran %d extra.",
e_tests, test_count - e_tests);
UNLOCK;
return;
}
if((have_plan || !no_plan) && e_tests > test_count) {
diag("Looks like you planned %d tests but only ran %d.",
e_tests, test_count);
UNLOCK;
return;
}
if(failures)
diag("Looks like you failed %d tests of %d.",
failures, test_count);
UNLOCK;
}

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/*-
* Copyright (c) 2004 Nik Clayton
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* '## __VA_ARGS__' is a gcc'ism. C99 doesn't allow the token pasting
and requires the caller to add the final comma if they've ommitted
the optional arguments */
#ifdef __GNUC__
# define ok(e, test, ...) ((e) ? \
_gen_result(1, __func__, __FILE__, __LINE__, \
test, ## __VA_ARGS__) : \
_gen_result(0, __func__, __FILE__, __LINE__, \
test, ## __VA_ARGS__))
# define ok1(e) ((e) ? \
_gen_result(1, __func__, __FILE__, __LINE__, "%s", #e) : \
_gen_result(0, __func__, __FILE__, __LINE__, "%s", #e))
# define pass(test, ...) ok(1, test, ## __VA_ARGS__);
# define fail(test, ...) ok(0, test, ## __VA_ARGS__);
# define skip_start(test, n, fmt, ...) \
do { \
if((test)) { \
skip(n, fmt, ## __VA_ARGS__); \
continue; \
}
#else /* __GNUC__ */
/* The original tap.h used to test if __STDC_VERSION__ >= 199901L here. This
* doesn't seem to work on HP-UX even though the code compile fine. I'm not
* sure how to add an exception here for HP-UX so I just removed the check
* for now */
# define ok(e, ...) ((e) ? \
_gen_result(1, __func__, __FILE__, __LINE__, \
__VA_ARGS__) : \
_gen_result(0, __func__, __FILE__, __LINE__, \
__VA_ARGS__))
# define ok1(e) ((e) ? \
_gen_result(1, __func__, __FILE__, __LINE__, "%s", #e) : \
_gen_result(0, __func__, __FILE__, __LINE__, "%s", #e))
# define pass(...) ok(1, __VA_ARGS__);
# define fail(...) ok(0, __VA_ARGS__);
# define skip_start(test, n, ...) \
do { \
if((test)) { \
skip(n, __VA_ARGS__); \
continue; \
}
#endif /* __GNUC__ */
# define skip_end } while(0);
unsigned int _gen_result(int, const char *, char *, unsigned int, char *, ...);
int plan_no_plan(void);
int plan_skip_all(char *);
int plan_tests(unsigned int);
unsigned int diag(char *, ...);
int skip(unsigned int, char *, ...);
void todo_start(char *, ...);
void todo_end(void);
int exit_status(void);