[src/trunk]: src/tests/fs/vfs Check that extending a file grows its size (wit...

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

details:   https://anonhg.NetBSD.org/src/rev/aacb727b5930
branches:  trunk
changeset: 760253:aacb727b5930
user:      pooka <pooka%NetBSD.org@localhost>
date:      Sat Jan 01 20:26:22 2011 +0000

description:
Check that extending a file grows its size (with and without O_APPEND).

diffstat:

 tests/fs/vfs/t_io.c |  55 ++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 52 insertions(+), 3 deletions(-)

diffs (91 lines):

diff -r 8a9ff43afc1d -r aacb727b5930 tests/fs/vfs/t_io.c
--- a/tests/fs/vfs/t_io.c       Sat Jan 01 19:53:53 2011 +0000
+++ b/tests/fs/vfs/t_io.c       Sat Jan 01 20:26:22 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_io.c,v 1.2 2010/11/11 16:03:55 pooka Exp $   */
+/*     $NetBSD: t_io.c,v 1.3 2011/01/01 20:26:22 pooka Exp $   */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -41,6 +41,9 @@
 #include "../common/h_fsmacros.h"
 #include "../../h_macros.h"
 
+#define TESTSTR "this is a string.  collect enough and you'll have Em"
+#define TESTSZ sizeof(TESTSTR)
+
 static void
 holywrite(const atf_tc_t *tc, const char *mp)
 {
@@ -49,7 +52,7 @@
        size_t therange = getpagesize()+1;
        int fd;
 
-       RL(rump_sys_chdir(mp));
+       FSTEST_ENTER();
 
        RL(fd = rump_sys_open("file", O_RDWR|O_CREAT|O_TRUNC, 0666));
 
@@ -70,15 +73,61 @@
        ATF_REQUIRE_EQ(memcmp(b2, b3, therange), 0);
 
        rump_sys_close(fd);
-       rump_sys_chdir("/");
+       FSTEST_EXIT();
+}
+
+static void
+extendbody(const atf_tc_t *tc, off_t seekcnt)
+{
+       char buf[TESTSZ+1];
+       struct stat sb;
+       int fd;
+
+       FSTEST_ENTER();
+       RL(fd = rump_sys_open("testfile",
+           O_CREAT | O_RDWR | (seekcnt ? O_APPEND : 0)));
+       RL(rump_sys_ftruncate(fd, seekcnt));
+       RL(rump_sys_fstat(fd, &sb));
+       if (FSTYPE_SYSVBFS(tc) && seekcnt)
+               atf_tc_expect_fail("fail");
+       ATF_REQUIRE_EQ(sb.st_size, seekcnt);
+       atf_tc_expect_pass();
+
+       ATF_REQUIRE_EQ(rump_sys_write(fd, TESTSTR, TESTSZ), TESTSZ);
+       ATF_REQUIRE_EQ(rump_sys_pread(fd, buf, TESTSZ, seekcnt), TESTSZ);
+       ATF_REQUIRE_STREQ(buf, TESTSTR);
+
+       RL(rump_sys_fstat(fd, &sb));
+       ATF_REQUIRE_EQ(sb.st_size, TESTSZ + seekcnt);
+       RL(rump_sys_close(fd));
+       FSTEST_EXIT();
+}
+
+static void
+extendfile(const atf_tc_t *tc, const char *mp)
+{
+
+       extendbody(tc, 0);
+}
+
+static void
+extendfile_append(const atf_tc_t *tc, const char *mp)
+{
+
+       extendbody(tc, 37);
 }
 
 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_TP_ADD_TCS(tp)
 {
 
        ATF_TP_FSAPPLY(holywrite);
+       ATF_TP_FSAPPLY(extendfile);
+       ATF_TP_FSAPPLY(extendfile_append);
 
        return atf_no_error();
 }