[src/trunk]: src/tests/rump/rumpkern Test copystr/copyinstr/copyoutstr focusi...

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

details:   https://anonhg.NetBSD.org/src/rev/daadaaef301b
branches:  trunk
changeset: 758580:daadaaef301b
user:      pooka <pooka%NetBSD.org@localhost>
date:      Tue Nov 09 15:25:19 2010 +0000

description:
Test copystr/copyinstr/copyoutstr focusing on the off-by-one cases.

As a notable caveat, this does not test the remote RPC paths of
those routines, which are arguably a little more complex.

diffstat:

 tests/rump/rumpkern/Makefile |    5 +-
 tests/rump/rumpkern/t_copy.c |  119 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 122 insertions(+), 2 deletions(-)

diffs (140 lines):

diff -r 131a439e92be -r daadaaef301b tests/rump/rumpkern/Makefile
--- a/tests/rump/rumpkern/Makefile      Tue Nov 09 15:22:47 2010 +0000
+++ b/tests/rump/rumpkern/Makefile      Tue Nov 09 15:25:19 2010 +0000
@@ -1,10 +1,11 @@
-# $NetBSD: Makefile,v 1.8 2010/09/01 21:18:14 pooka Exp $
+# $NetBSD: Makefile,v 1.9 2010/11/09 15:25:19 pooka Exp $
 
 .include <bsd.own.mk>
 
 TESTSDIR=      ${TESTSBASE}/rump/rumpkern
 
-TESTS_C=       t_lwproc
+TESTS_C=       t_copy
+TESTS_C+=      t_lwproc
 TESTS_C+=      t_modcmd
 TESTS_C+=      t_modlinkset
 TESTS_C+=      t_threads
diff -r 131a439e92be -r daadaaef301b tests/rump/rumpkern/t_copy.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/rump/rumpkern/t_copy.c      Tue Nov 09 15:25:19 2010 +0000
@@ -0,0 +1,119 @@
+/*     $NetBSD: t_copy.c,v 1.1 2010/11/09 15:25:20 pooka Exp $ */
+
+/*-
+ * Copyright (c) 2010 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
+ * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+
+#include <atf-c.h>
+#include <errno.h>
+#include <string.h>
+
+#include <rump/rump.h>
+
+ATF_TC(copystr);
+ATF_TC_HEAD(copystr, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "Tests copystr()");
+}
+
+ATF_TC(copyinstr);
+ATF_TC_HEAD(copyinstr, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "Tests copyinstr()");
+}
+
+ATF_TC(copyoutstr);
+ATF_TC_HEAD(copyoutstr, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "Tests copyoutstr()");
+}
+
+typedef int (copy_fn)(const void *, void *, size_t, size_t *);
+
+extern copy_fn rumpns_copystr, rumpns_copyinstr, rumpns_copyoutstr;
+
+#define TESTSTR "jippii, lisaa puuroa"
+
+static void
+dotest(copy_fn *thefun)
+{
+       char buf[sizeof(TESTSTR)+1];
+       size_t len;
+
+       rump_init();
+       rump_schedule();
+
+       /* larger buffer */
+       memset(buf, 0xaa, sizeof(buf));
+       ATF_REQUIRE_EQ(thefun(TESTSTR, buf, sizeof(buf), &len), 0);
+       ATF_REQUIRE_EQ(len, sizeof(TESTSTR));
+       ATF_REQUIRE_STREQ(TESTSTR, buf);
+
+       /* just large enough */
+       memset(buf, 0xaa, sizeof(buf));
+       ATF_REQUIRE_EQ(thefun(TESTSTR, buf, sizeof(buf)-1, &len), 0);
+       ATF_REQUIRE_EQ(len, sizeof(TESTSTR));
+       ATF_REQUIRE_STREQ(TESTSTR, buf);
+
+       /* one too small */
+       memset(buf, 0xaa, sizeof(buf));
+       ATF_REQUIRE_EQ(thefun(TESTSTR, buf, sizeof(buf)-2, NULL), ENAMETOOLONG);
+
+       rump_unschedule();
+}
+
+ATF_TC_BODY(copystr, tc)
+{
+
+       dotest(rumpns_copystr);
+}
+
+ATF_TC_BODY(copyinstr, tc)
+{
+
+       dotest(rumpns_copyinstr);
+}
+
+ATF_TC_BODY(copyoutstr, tc)
+{
+
+       dotest(rumpns_copyoutstr);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+       ATF_TP_ADD_TC(tp, copystr);
+       ATF_TP_ADD_TC(tp, copyinstr);
+       ATF_TP_ADD_TC(tp, copyoutstr);
+
+       return atf_no_error();
+}