mirror of
https://github.com/jart/cosmopolitan.git
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69 lines
3.2 KiB
C
69 lines
3.2 KiB
C
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/*-*- 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/fmt/fmt.h"
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#include "libc/log/check.h"
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#include "libc/macros.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sysv/consts/f.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/x.h"
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char basedir[PATH_MAX];
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char testdir[PATH_MAX];
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void SetUp(void) {
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getcwd(basedir, ARRAYLEN(basedir));
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sprintf(testdir, "o/tmp/%s.%d", program_invocation_short_name, getpid());
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makedirs(testdir, 0755);
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CHECK_NE(-1, chdir(testdir));
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}
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void TearDown(void) {
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CHECK_NE(-1, chdir(basedir));
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CHECK_NE(-1, rmrf(testdir));
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}
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TEST(fcntl_getfl, testRemembersAccessMode) {
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int fd;
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ASSERT_NE(-1, (fd = open("foo", O_CREAT | O_RDWR, 0644)));
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EXPECT_EQ(O_RDWR, fcntl(fd, F_GETFL) & O_ACCMODE);
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EXPECT_NE(-1, close(fd));
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ASSERT_NE(-1, (fd = open("foo", O_WRONLY, 0644)));
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EXPECT_EQ(O_WRONLY, fcntl(fd, F_GETFL) & O_ACCMODE);
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EXPECT_NE(-1, close(fd));
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}
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TEST(fcntl_setfl, testChangeAppendStatus) {
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int fd;
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char buf[8] = {0};
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if (IsWindows()) return; /* doesn't appear possible on windows */
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ASSERT_NE(-1, (fd = open("foo", O_CREAT | O_RDWR, 0644)));
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EXPECT_EQ(3, write(fd, "foo", 3));
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EXPECT_NE(-1, lseek(fd, 0, SEEK_SET));
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EXPECT_NE(-1, fcntl(fd, F_SETFL, O_APPEND));
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EXPECT_EQ(3, write(fd, "bar", 3));
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EXPECT_NE(-1, lseek(fd, 0, SEEK_SET));
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EXPECT_NE(-1, fcntl(fd, F_SETFL, 0));
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EXPECT_EQ(6, read(fd, buf, 6));
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EXPECT_STREQ("foobar", buf);
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EXPECT_NE(-1, close(fd));
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}
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