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[src/trunk]: src Few simple tests for nice(3).
details: https://anonhg.NetBSD.org/src/rev/4f77a17344ac
branches: trunk
changeset: 763782:4f77a17344ac
user: jruoho <jruoho%NetBSD.org@localhost>
date: Mon Apr 04 09:52:17 2011 +0000
description:
Few simple tests for nice(3).
diffstat:
distrib/sets/lists/tests/mi | 4 +-
tests/lib/libc/gen/Makefile | 3 +-
tests/lib/libc/gen/t_nice.c | 144 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 149 insertions(+), 2 deletions(-)
diffs (190 lines):
diff -r 81fedd392fd4 -r 4f77a17344ac distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi Mon Apr 04 08:30:12 2011 +0000
+++ b/distrib/sets/lists/tests/mi Mon Apr 04 09:52:17 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.287 2011/04/04 08:19:08 jruoho Exp $
+# $NetBSD: mi,v 1.288 2011/04/04 09:52:17 jruoho Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@@ -339,6 +339,7 @@
./usr/libdata/debug/usr/tests/lib/libc/gen/t_glob_star.debug tests-lib-debug debug,atf
./usr/libdata/debug/usr/tests/lib/libc/gen/t_humanize_number.debug tests-lib-debug debug,atf
./usr/libdata/debug/usr/tests/lib/libc/gen/t_ldexp.debug tests-lib-debug debug,atf
+./usr/libdata/debug/usr/tests/lib/libc/gen/t_nice.debug tests-lib-debug debug,atf
./usr/libdata/debug/usr/tests/lib/libc/gen/t_raise.debug tests-lib-debug debug,atf
./usr/libdata/debug/usr/tests/lib/libc/gen/t_randomid.debug tests-lib-debug debug,atf
./usr/libdata/debug/usr/tests/lib/libc/gen/t_rbstress.debug tests-lib-debug debug,atf
@@ -1716,6 +1717,7 @@
./usr/tests/lib/libc/gen/t_glob_star tests-lib-tests atf
./usr/tests/lib/libc/gen/t_humanize_number tests-lib-tests atf
./usr/tests/lib/libc/gen/t_ldexp tests-lib-tests atf
+./usr/tests/lib/libc/gen/t_nice tests-lib-tests atf
./usr/tests/lib/libc/gen/t_raise tests-lib-tests atf
./usr/tests/lib/libc/gen/t_randomid tests-lib-tests atf
./usr/tests/lib/libc/gen/t_rbstress tests-lib-tests atf
diff -r 81fedd392fd4 -r 4f77a17344ac tests/lib/libc/gen/Makefile
--- a/tests/lib/libc/gen/Makefile Mon Apr 04 08:30:12 2011 +0000
+++ b/tests/lib/libc/gen/Makefile Mon Apr 04 09:52:17 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.15 2011/03/24 16:58:01 jruoho Exp $
+# $NetBSD: Makefile,v 1.16 2011/04/04 09:52:18 jruoho Exp $
.include <bsd.own.mk>
@@ -10,6 +10,7 @@
TESTS_C+= t_glob_star
TESTS_C+= t_humanize_number
TESTS_C+= t_ldexp
+TESTS_C+= t_nice
TESTS_C+= t_raise
TESTS_C+= t_randomid
TESTS_C+= t_rbstress
diff -r 81fedd392fd4 -r 4f77a17344ac tests/lib/libc/gen/t_nice.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/lib/libc/gen/t_nice.c Mon Apr 04 09:52:17 2011 +0000
@@ -0,0 +1,144 @@
+/* $NetBSD: t_nice.c,v 1.1 2011/04/04 09:52:18 jruoho Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jukka Ruohonen.
+ *
+ * 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/cdefs.h>
+__RCSID("$NetBSD: t_nice.c,v 1.1 2011/04/04 09:52:18 jruoho Exp $");
+
+#include <sys/resource.h>
+#include <sys/wait.h>
+
+#include <atf-c.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+ATF_TC(nice_err);
+ATF_TC_HEAD(nice_err, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test nice(3) for invalid parameters");
+ atf_tc_set_md_var(tc, "require.user", "unprivileged");
+}
+
+ATF_TC_BODY(nice_err, tc)
+{
+ int i;
+
+ /*
+ * The call should fail with EPERM if the
+ * supplied parameter is negative and the
+ * caller does not have privileges. Note
+ * that the errno is thus "wrong" in NetBSD.
+ */
+ for (i = -20; i < 0; i++) {
+
+ errno = 0;
+
+ ATF_REQUIRE(nice(i) == -1);
+ ATF_REQUIRE(errno == EACCES);
+ }
+}
+
+ATF_TC(nice_priority);
+ATF_TC_HEAD(nice_priority, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test nice(3) vs. getpriority(2)");
+}
+
+ATF_TC_BODY(nice_priority, tc)
+{
+ int i, pri, nic;
+ pid_t pid;
+ int sta;
+
+ for (i = 0; i <= 20; i++) {
+
+ nic = nice(i);
+ ATF_REQUIRE(nic != -1);
+
+ errno = 0;
+ pri = getpriority(PRIO_PROCESS, 0);
+ ATF_REQUIRE(errno == 0);
+
+ if (nic != pri)
+ atf_tc_fail("nice(3) and getpriority(2) conflict");
+
+ /*
+ * Also verify that the nice(3) values
+ * are inherited by child processes.
+ */
+ pid = fork();
+ ATF_REQUIRE(pid >= 0);
+
+ if (pid == 0) {
+
+ errno = 0;
+ pri = getpriority(PRIO_PROCESS, 0);
+ ATF_REQUIRE(errno == 0);
+
+ if (nic != pri)
+ exit(EXIT_FAILURE);
+
+ exit(EXIT_SUCCESS);
+ }
+
+ (void)wait(&sta);
+
+ if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
+ atf_tc_fail("nice(3) value was not inherited");
+ }
+}
+
+ATF_TC(nice_root);
+ATF_TC_HEAD(nice_root, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test that nice(3) works");
+ atf_tc_set_md_var(tc, "require.user", "root");
+}
+
+ATF_TC_BODY(nice_root, tc)
+{
+ int i;
+
+ for (i = -20; i <= 20; i++) {
+
+ ATF_REQUIRE(nice(i) != -1);
+ }
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, nice_err);
+ ATF_TP_ADD_TC(tp, nice_priority);
+ ATF_TP_ADD_TC(tp, nice_root);
+
+ return atf_no_error();
+}
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