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add a few overwrite-related tests

This commit is contained in:
pooka 2011-02-02 14:42:15 +00:00
parent d368e9df29
commit 6ebb7d5324
1 changed files with 48 additions and 1 deletions
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49
tests/fs/vfs/t_io.c
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@ -1,4 +1,4 @@
/* $NetBSD: t_io.c,v 1.6 2011/01/03 09:35:33 pooka Exp $ */
/* $NetBSD: t_io.c,v 1.7 2011/02/02 14:42:15 pooka Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
@ -117,10 +117,54 @@ extendfile_append(const atf_tc_t *tc, const char *mp)
extendbody(tc, 37);
}
static void
overwritebody(const atf_tc_t *tc, off_t count, bool dotrunc)
{
char *buf;
int fd;
REQUIRE_LIBC(buf = malloc(count), NULL);
FSTEST_ENTER();
RL(fd = rump_sys_open("testi", O_CREAT | O_RDWR));
ATF_REQUIRE_EQ(rump_sys_write(fd, buf, count), count);
RL(rump_sys_close(fd));
RL(fd = rump_sys_open("testi", O_CREAT | O_RDWR));
if (dotrunc)
RL(rump_sys_ftruncate(fd, 0));
ATF_REQUIRE_EQ(rump_sys_write(fd, buf, count), count);
RL(rump_sys_close(fd));
FSTEST_EXIT();
}
static void
overwrite512(const atf_tc_t *tc, const char *mp)
{
overwritebody(tc, 512, false);
}
static void
overwrite64k(const atf_tc_t *tc, const char *mp)
{
overwritebody(tc, 1<<16, false);
}
static void
overwrite_trunc(const atf_tc_t *tc, const char *mp)
{
overwritebody(tc, 1<<16, true);
}
ATF_TC_FSAPPLY(holywrite, "create a sparse file and fill hole");
ATF_TC_FSAPPLY(extendfile, "check that extending a file works");
ATF_TC_FSAPPLY(extendfile_append, "check that extending a file works "
"with a append-only fd");
ATF_TC_FSAPPLY(overwrite512, "write a 512 byte file twice");
ATF_TC_FSAPPLY(overwrite64k, "write a 64k byte file twice");
ATF_TC_FSAPPLY(overwrite_trunc, "write 64k + truncate + rewrite");
ATF_TP_ADD_TCS(tp)
{
@ -128,6 +172,9 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_FSAPPLY(holywrite);
ATF_TP_FSAPPLY(extendfile);
ATF_TP_FSAPPLY(extendfile_append);
ATF_TP_FSAPPLY(overwrite512);
ATF_TP_FSAPPLY(overwrite64k);
ATF_TP_FSAPPLY(overwrite_trunc);
return atf_no_error();
}