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Justine Tunney 2020-06-15 07:18:57 -07:00
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libc/testlib/testrunner.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program 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 │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/bits.h"
#include "libc/bits/safemacros.h"
#include "libc/calls/internal.h"
#include "libc/errno.h"
#include "libc/nt/process.h"
#include "libc/stdio/stdio.h"
#include "libc/testlib/testlib.h"
void SetUp(void);
void TearDown(void);
void testlib_finish(void) {
if (g_testlib_failed) {
fprintf(stderr, "%u / %u %s\n", g_testlib_failed, g_testlib_ran,
"tests failed");
}
}
noreturn void testlib_abort(void) {
int rc;
testlib_finish();
rc = min(255, g_testlib_failed);
quick_exit(rc); /* so we don't run __testmemory_fini() */
unreachable;
}
/**
* Runs all test case functions in sorted order.
*/
testonly void testlib_runtestcases(testfn_t *start, testfn_t *end,
testfn_t warmup) {
/**
* getpid() calls are inserted to help visually see tests in traces
* which can be performed on Linux, FreeBSD, OpenBSD, and XNU:
*
* strace -f o/default/test.com |& less
* truss o/default/test.com |& less
* ktrace -f trace o/default/test.com </dev/null; kdump -f trace | less
* dtruss o/default/test.com |& less
*
* Test cases are iterable via a decentralized section. Your TEST()
* macro inserts .testcase.SUITENAME sections into the binary which
* the linker sorts into an array.
*
* @see ape/ape.lds
*/
const testfn_t *fn;
for (fn = start; fn != end; ++fn) {
if (weaken(SetUp)) weaken(SetUp)();
errno = 0;
SetLastError(0);
getpid$sysv();
if (warmup) warmup();
(*fn)();
getpid$sysv();
if (weaken(TearDown)) weaken(TearDown)();
}
}