tests: add tests for {hashmap,set}_steal_first

Just to make sure that coverity is wrong.

1 files changed, 47 insertions, 0 deletions

diff --git a/src/test/test-set.c b/src/test/test-set.c
new file mode 100644
index 0000000000..060dba42df
--- /dev/null
+++ b/src/test/test-set.c
@@ -0,0 +1,47 @@
+/***
+  This file is part of systemd
+
+  Copyright 2014 Zbigniew Jędrzejewski-Szmek
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "util.h"
+#include "set.h"
+
+static void test_set_steal_first(void) {
+        _cleanup_set_free_ Set *m = NULL;
+        int seen[3] = {};
+        char *val;
+
+        m = set_new(&string_hash_ops);
+        assert_se(m);
+
+        assert_se(set_put(m, (void*) "1") == 1);
+        assert_se(set_put(m, (void*) "22") == 1);
+        assert_se(set_put(m, (void*) "333") == 1);
+
+        while ((val = set_steal_first(m)))
+                seen[strlen(val) - 1]++;
+
+        assert(seen[0] == 1 && seen[1] == 1 && seen[2] == 1);
+
+        assert_se(set_isempty(m));
+}
+
+int main(int argc, const char *argv[]) {
+        test_set_steal_first();
+
+        return 0;
+}