Module Name: src
Committed By: pooka
Date: Wed Feb 2 14:42:15 UTC 2011
Modified Files:
src/tests/fs/vfs: t_io.c
Log Message:
add a few overwrite-related tests
To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/tests/fs/vfs/t_io.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/fs/vfs/t_io.c
diff -u src/tests/fs/vfs/t_io.c:1.6 src/tests/fs/vfs/t_io.c:1.7
--- src/tests/fs/vfs/t_io.c:1.6 Mon Jan 3 09:35:33 2011
+++ src/tests/fs/vfs/t_io.c Wed Feb 2 14:42:15 2011
@@ -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 @@
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_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();
}
