1 files changed, 83 insertions, 0 deletions
diff --git a/lib/libc/stdlib/t_system.c b/lib/libc/stdlib/t_system.c
new file mode 100644
index 000000000000..235005bc809f
--- /dev/null
+++ b/lib/libc/stdlib/t_system.c
@@ -0,0 +1,83 @@
+/* $NetBSD: t_system.c,v 1.1 2011/09/11 10:32:23 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_system.c,v 1.1 2011/09/11 10:32:23 jruoho Exp $");
+
+#include <atf-c.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static const char *path = "system";
+
+ATF_TC_WITH_CLEANUP(system_basic);
+ATF_TC_HEAD(system_basic, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "A basic test of system(3)");
+}
+
+ATF_TC_BODY(system_basic, tc)
+{
+	char buf[23];
+	int fd, i = 2;
+
+	ATF_REQUIRE(system("/bin/echo -n > system") == 0);
+
+	while (i >= 0) {
+		ATF_REQUIRE(system("/bin/echo -n garbage >> system") == 0);
+		i--;
+	}
+
+	fd = open(path, O_RDONLY);
+	ATF_REQUIRE(fd >= 0);
+
+	(void)memset(buf, '\0', sizeof(buf));
+
+	ATF_REQUIRE(read(fd, buf, 21) == 21);
+	ATF_REQUIRE(strcmp(buf, "garbagegarbagegarbage") == 0);
+
+	ATF_REQUIRE(close(fd) == 0);
+	ATF_REQUIRE(unlink(path) == 0);
+}
+
+ATF_TC_CLEANUP(system_basic, tc)
+{
+	(void)unlink(path);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, system_basic);
+
+	return atf_no_error();
+}