mirror of
https://github.com/jart/cosmopolitan.git
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90 lines
3.5 KiB
C
90 lines
3.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/calls/internal.h"
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#include "libc/calls/struct/stat.h"
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#include "libc/dce.h"
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#include "libc/errno.h"
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#include "libc/log/check.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/f.h"
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#include "libc/sysv/consts/fd.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/xspawn.h"
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char testlib_enable_tmp_setup_teardown;
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static textstartup void TestInit(int argc, char **argv) {
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int fd;
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if (argc == 2 && !strcmp(argv[1], "boop")) {
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if ((fd = open("/dev/null", O_RDWR | O_CLOEXEC)) == 3) {
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_exit(72);
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} else {
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_exit(fd + 1);
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}
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}
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}
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const void *const TestCtor[] initarray = {TestInit};
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TEST(dup, ebadf) {
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ASSERT_SYS(EBADF, -1, dup(-1));
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ASSERT_SYS(EBADF, -1, dup2(-1, 0));
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ASSERT_SYS(EBADF, -1, dup2(0, -1));
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ASSERT_SYS(EBADF, -1, dup3(0, -1, 0));
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ASSERT_SYS(EBADF, -1, dup3(10, 0, 0));
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}
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TEST(dup, sameNumber) {
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ASSERT_SYS(0, 0, dup2(0, 0));
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ASSERT_SYS(EINVAL, -1, dup3(0, 0, 0));
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EXPECT_SYS(EBADF, -1, dup2(-1, -1));
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EXPECT_SYS(EINVAL, -1, dup3(-1, -1, 0));
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ASSERT_SYS(EBADF, -1, dup2(3, 3));
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ASSERT_SYS(EBADF, -1, dup2(0, -1));
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}
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TEST(dup, bigNumber) {
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ASSERT_SYS(0, 100, dup2(0, 100));
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ASSERT_SYS(0, 0, close(100));
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}
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#ifdef __x86_64__
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TEST(dup, clearsCloexecFlag) {
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static bool once;
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int ws;
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ASSERT_FALSE(once);
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once = true;
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ASSERT_SYS(0, 0, close(creat("file", 0644)));
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ASSERT_SYS(0, 3, open("file", O_RDWR | O_CLOEXEC));
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ASSERT_NE(-1, (ws = xspawn(0)));
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if (ws == -2) {
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dup2(3, 0);
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execv(GetProgramExecutableName(),
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(char *const[]){GetProgramExecutableName(), "boop", 0});
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_exit(127);
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}
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ASSERT_EQ(72 << 8, ws);
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ASSERT_SYS(0, 0, close(3));
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}
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#endif
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