[src/trunk]: src/tests/rump/rumpvfs check etfs mappings with offsets

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c9941e204d0e
branches:  trunk
changeset: 755794:c9941e204d0e
user:      pooka <pooka%NetBSD.org@localhost>
date:      Mon Jun 21 14:39:35 2010 +0000

description:
check etfs mappings with offsets

diffstat:

 tests/rump/rumpvfs/t_etfs.c |  42 +++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 41 insertions(+), 1 deletions(-)

diffs (62 lines):

diff -r 6abb667df4df -r c9941e204d0e tests/rump/rumpvfs/t_etfs.c
--- a/tests/rump/rumpvfs/t_etfs.c       Mon Jun 21 14:25:35 2010 +0000
+++ b/tests/rump/rumpvfs/t_etfs.c       Mon Jun 21 14:39:35 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_etfs.c,v 1.5 2010/06/20 17:43:33 pooka Exp $ */
+/*     $NetBSD: t_etfs.c,v 1.6 2010/06/21 14:39:35 pooka Exp $ */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -218,12 +218,52 @@
        system("umount mfsdir");
 }
 
+ATF_TC(range_blk);
+ATF_TC_HEAD(range_blk, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "Checks ranged (offset,size) mappings");
+       atf_tc_set_md_var(tc, "use.fs", "true");
+}
+
+ATF_TC_BODY(range_blk, tc)
+{
+       char buf[32000];
+       char cmpbuf[32000];
+       ssize_t n;
+       int rv, tfd;
+
+       /* create a 64000 byte file with 16 1's at offset = 32000 */
+       rv = system("dd if=/dev/zero of=disk.img bs=1000 count=64");
+       ATF_REQUIRE_EQ(rv, 0);
+       rv = system("yes | tr '\\ny' '\\1' "
+           "| dd of=disk.img conv=notrunc bs=1 count=16 seek=32000");
+       ATF_REQUIRE_EQ(rv, 0);
+
+       /* map the file at [16000,48000].  this puts our 1's at offset 16000 */
+       rump_init();
+       ATF_REQUIRE_EQ(rump_pub_etfs_register_withsize(TESTPATH1, "disk.img",
+           RUMP_ETFS_BLK, 16000, 32000), 0);
+       tfd = rump_sys_open(TESTPATH1, O_RDWR);
+       ATF_REQUIRE(tfd != -1);
+       n = rump_sys_read(tfd, buf, sizeof(buf));
+       ATF_REQUIRE_EQ(n, sizeof(buf));
+       ATF_REQUIRE_EQ(rump_sys_close(tfd), 0);
+       ATF_REQUIRE_EQ(rump_pub_etfs_remove(TESTPATH1), 0);
+
+       /* check that we got what is expected */
+       memset(cmpbuf, 0, sizeof(cmpbuf));
+       memset(cmpbuf+16000, 1, 16);
+       ATF_REQUIRE_EQ(memcmp(buf, cmpbuf, sizeof(buf)), 0);
+}
+
 ATF_TP_ADD_TCS(tp)
 {
 
        ATF_TP_ADD_TC(tp, reregister_reg);
        ATF_TP_ADD_TC(tp, reregister_blk);
        ATF_TP_ADD_TC(tp, large_blk);
+       ATF_TP_ADD_TC(tp, range_blk);
 
        return atf_no_error();
 }