[src/trunk]: src/tests/rump/rumpkern tests for rump_lwproc

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

details:   https://anonhg.NetBSD.org/src/rev/4c09c46ca003
branches:  trunk
changeset: 757519:4c09c46ca003
user:      pooka <pooka%NetBSD.org@localhost>
date:      Wed Sep 01 21:18:14 2010 +0000

description:
tests for rump_lwproc

diffstat:

 tests/rump/rumpkern/Makefile   |    5 +-
 tests/rump/rumpkern/t_lwproc.c |  218 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 221 insertions(+), 2 deletions(-)

diffs (239 lines):

diff -r c8e44653c5c5 -r 4c09c46ca003 tests/rump/rumpkern/Makefile
--- a/tests/rump/rumpkern/Makefile      Wed Sep 01 21:16:56 2010 +0000
+++ b/tests/rump/rumpkern/Makefile      Wed Sep 01 21:18:14 2010 +0000
@@ -1,10 +1,11 @@
-# $NetBSD: Makefile,v 1.7 2010/05/31 23:36:12 pooka Exp $
+# $NetBSD: Makefile,v 1.8 2010/09/01 21:18:14 pooka Exp $
 
 .include <bsd.own.mk>
 
 TESTSDIR=      ${TESTSBASE}/rump/rumpkern
 
-TESTS_C=       t_modcmd
+TESTS_C=       t_lwproc
+TESTS_C+=      t_modcmd
 TESTS_C+=      t_modlinkset
 TESTS_C+=      t_threads
 TESTS_C+=      t_tsleep
diff -r c8e44653c5c5 -r 4c09c46ca003 tests/rump/rumpkern/t_lwproc.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/rump/rumpkern/t_lwproc.c    Wed Sep 01 21:18:14 2010 +0000
@@ -0,0 +1,218 @@
+/*     $NetBSD: t_lwproc.c,v 1.1 2010/09/01 21:18:14 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 <sys/wait.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+#include <atf-c.h>
+#include <err.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <util.h>
+
+#include "../../h_macros.h"
+
+ATF_TC(makelwp);
+ATF_TC_HEAD(makelwp, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "tests that lwps can be attached to "
+           "processes");
+}
+
+ATF_TC_BODY(makelwp, tc)
+{
+       struct lwp *l;
+       pid_t pid;
+
+       rump_init();
+       RZ(rump_pub_lwproc_newlwp(0));
+       ATF_REQUIRE_EQ(rump_pub_lwproc_newlwp(37), ESRCH);
+       l = rump_pub_lwproc_curlwp();
+
+       RZ(rump_pub_lwproc_newproc());
+       ATF_REQUIRE(rump_pub_lwproc_curlwp() != l);
+       l = rump_pub_lwproc_curlwp();
+
+       RZ(rump_pub_lwproc_newlwp(rump_sys_getpid()));
+       ATF_REQUIRE(rump_pub_lwproc_curlwp() != l);
+
+       pid = rump_sys_getpid();
+       ATF_REQUIRE(pid != -1 && pid != 0);
+}
+
+ATF_TC(proccreds);
+ATF_TC_HEAD(proccreds, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "check that procs have different creds");
+}
+
+ATF_TC_BODY(proccreds, tc)
+{
+       struct lwp *l1, *l2;
+
+       rump_init();
+       RZ(rump_pub_lwproc_newproc());
+       l1 = rump_pub_lwproc_curlwp();
+
+       RZ(rump_pub_lwproc_newproc());
+       l2 = rump_pub_lwproc_curlwp();
+
+       RL(rump_sys_setuid(22));
+       ATF_REQUIRE_EQ(rump_sys_getuid(), 22);
+
+       rump_pub_lwproc_switch(l1);
+       ATF_REQUIRE_EQ(rump_sys_getuid(), 0); /* from parent, proc0 */
+       RL(rump_sys_setuid(11));
+       ATF_REQUIRE_EQ(rump_sys_getuid(), 11);
+
+       rump_pub_lwproc_switch(l2);
+       ATF_REQUIRE_EQ(rump_sys_getuid(), 22);
+       rump_pub_lwproc_newlwp(rump_sys_getpid());
+       ATF_REQUIRE_EQ(rump_sys_getuid(), 22);
+}
+
+
+ATF_TC(inherit);
+ATF_TC_HEAD(inherit, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "new processes inherit creds from "
+           "parents");
+}
+
+ATF_TC_BODY(inherit, tc)
+{
+
+       rump_init();
+
+       RZ(rump_pub_lwproc_newproc());
+       RL(rump_sys_setuid(66));
+       ATF_REQUIRE_EQ(rump_sys_getuid(), 66);
+
+       RZ(rump_pub_lwproc_newproc());
+       ATF_REQUIRE_EQ(rump_sys_getuid(), 66);
+
+       /* release lwp and proc */
+       rump_pub_lwproc_releaselwp();
+       ATF_REQUIRE_EQ(rump_sys_getuid(), 0);
+}
+
+ATF_TC(lwps);
+ATF_TC_HEAD(lwps, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "proc can hold many lwps and is "
+           "automatically g/c'd when the last one exits");
+}
+
+#define LOOPS 128
+ATF_TC_BODY(lwps, tc)
+{
+       struct lwp *l[LOOPS];
+       pid_t mypid;
+       struct lwp *l_orig;
+       int i;
+
+       rump_init();
+
+       RZ(rump_pub_lwproc_newproc());
+       mypid = rump_sys_getpid();
+       RL(rump_sys_setuid(375));
+
+       l_orig = rump_pub_lwproc_curlwp();
+       for (i = 0; i < LOOPS; i++) {
+               mypid = rump_sys_getpid();
+               ATF_REQUIRE(mypid != -1 && mypid != 0);
+               RZ(rump_pub_lwproc_newlwp(mypid));
+               l[i] = rump_pub_lwproc_curlwp();
+               ATF_REQUIRE_EQ(rump_sys_getuid(), 375);
+       }
+
+       rump_pub_lwproc_switch(l_orig);
+       rump_pub_lwproc_releaselwp();
+       for (i = 0; i < LOOPS; i++) {
+               rump_pub_lwproc_switch(l[i]);
+               ATF_REQUIRE_EQ(rump_sys_getpid(), mypid);
+               ATF_REQUIRE_EQ(rump_sys_getuid(), 375);
+               rump_pub_lwproc_releaselwp();
+               ATF_REQUIRE_EQ(rump_sys_getpid(), 0);
+               ATF_REQUIRE_EQ(rump_sys_getuid(), 0);
+       }
+
+       ATF_REQUIRE_EQ(rump_pub_lwproc_newlwp(mypid), ESRCH);
+}
+
+ATF_TC(nolwprelease);
+ATF_TC_HEAD(nolwprelease, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "check that lwp context is required "
+           "for lwproc_releaselwp()");
+}
+
+ATF_TC_BODY(nolwprelease, tc)
+{
+       int status;
+
+       switch (fork()) {
+       case 0:
+               rump_init();
+               rump_pub_lwproc_releaselwp();
+               atf_tc_fail("survived");
+               break;
+       case -1:
+               atf_tc_fail_errno("fork");
+               break;
+       default:
+               wait(&status);
+               ATF_REQUIRE(WIFSIGNALED(status));
+               ATF_REQUIRE_EQ(WTERMSIG(status), SIGABRT);
+
+       }
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+       ATF_TP_ADD_TC(tp, makelwp);
+       ATF_TP_ADD_TC(tp, proccreds);
+       ATF_TP_ADD_TC(tp, inherit);
+       ATF_TP_ADD_TC(tp, lwps);
+       ATF_TP_ADD_TC(tp, nolwprelease);
+
+       return atf_no_error();
+}