[tests] add api_knet_handle_free tests

Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>

libknet/tests/Makefile.am

@@ -18,6 +18,7 @@ noinst_HEADERS		= \
 
 check_PROGRAMS		= \
 			  api_knet_handle_new \
+			  api_knet_handle_free \
 			  timediff_test \
 			  khandle_test
 
@@ -31,6 +32,9 @@ TESTS			= $(check_PROGRAMS)
 api_knet_handle_new_SOURCES = api_knet_handle_new.c \
 			      test-common.c
 
+api_knet_handle_free_SOURCES = api_knet_handle_free.c \
+			       test-common.c
+
 ping_test_SOURCES	= ping_test.c
 
 khandle_test_SOURCES	= khandle_test.c \

libknet/tests/api_knet_handle_free.c

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2016 Red Hat, Inc.  All rights reserved.
+ *
+ * Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
+ *
+ * This software licensed under GPL-2.0+, LGPL-2.0+
+ */
+
+#include "config.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "libknet.h"
+#include "internals.h"
+
+#include "test-common.h"
+
+static void test_noparam(void)
+{
+	printf("Test knet_handle_free with invalid knet_h\n");
+
+	if ((!knet_handle_free(NULL)) || (errno != EINVAL)) {
+		printf("knet_handle_free failed to detect invalid parameter\n");
+		exit(FAIL);
+	}
+}
+
+static void test_param(void)
+{
+	knet_handle_t knet_h;
+	int logfds[2];
+
+	setup_logpipes(logfds);
+
+	printf("Test knet_handle_free with one host configured\n");
+
+	knet_h = knet_handle_new(1, logfds[1], KNET_LOG_DEBUG);
+
+	if (!knet_h) {
+		printf("knet_handle_new failed: %s\n", strerror(errno));
+		flush_logs(logfds[0], stdout);
+		close_logpipes(logfds);
+		exit(FAIL);
+	}
+
+	if (knet_host_add(knet_h, 1) < 0) {
+		printf("Unable to add new knet_host: %s\n", strerror(errno));
+		knet_handle_free(knet_h);
+		flush_logs(logfds[0], stdout);
+		close_logpipes(logfds);
+		exit(FAIL);
+	}
+
+	if ((!knet_handle_free(knet_h)) || (errno != EBUSY)) {
+		printf("knet_handle_free didn't return error or correct errno with one host configured: %s\n", strerror(errno));
+		flush_logs(logfds[0], stdout);
+		close_logpipes(logfds);
+		exit(FAIL);
+	}
+
+	flush_logs(logfds[0], stdout);
+
+	if (knet_host_remove(knet_h, 1) < 0) {
+		printf("Unable to remove knet_host: %s\n", strerror(errno));
+		knet_handle_free(knet_h);
+		flush_logs(logfds[0], stdout);
+		close_logpipes(logfds);
+		exit(FAIL);
+	}
+
+	if (knet_handle_free(knet_h) < 0) {
+		printf("knet_handle_free failed: %s\n", strerror(errno));
+		flush_logs(logfds[0], stdout);
+		close_logpipes(logfds);
+		exit(FAIL);
+	}
+
+	flush_logs(logfds[0], stdout);
+
+	close_logpipes(logfds);
+}
+
+int main(int argc, char *argv[])
+{
+	need_root();
+
+	test_noparam();
+
+	test_param();
+
+	return PASS;
+}