Dynamic array test

tests/contrib/test_dynarray.c

+/*  Copyright (C) 2017 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include "contrib/dynarray.h"
+#include <tap/basic.h>
+
+#define test_capacity 2
+
+#define test_type(type, prefix) \
+	dynarray_define(prefix, type, test_capacity) \
+	static void prefix ## _test(type const first, type const second) { \
+		struct prefix ## _dynarray array = { 0 }; \
+		prefix ## _dynarray_fix(&array); \
+		ok(array.capacity == test_capacity && array.size == 0, \
+		   "%s: Fix - initial capacity set", #prefix); \
+		prefix ## _dynarray_add(&array, &first); \
+		ok(array.capacity == test_capacity && array.size == 1 && array.arr[0] == first, \
+		   "%s: Add item", #prefix); \
+		prefix ## _dynarray_add(&array, &second); \
+		ok(array.capacity == test_capacity && array.size == 2 && array.arr[1] == second, \
+		   "%s: Array filled (size not changed yet)", #prefix); \
+		prefix ## _dynarray_add(&array, &first); \
+		ok(array.capacity == 2*test_capacity+1 && array.size == 3 && array.arr[2] == first, \
+		   "%s: Array extended", #prefix); \
+		prefix ## _dynarray_free(&array); \
+		prefix ## _dynarray_add(&array, &first); \
+		ok(array.capacity == test_capacity && array.size == 1 && array.arr[0] == first, \
+		   "%s: Free & add first- initial capacity set", #prefix); \
+	}
+
+test_type(int, int)
+test_type(char*, string)
+
+int main (int argc, char *argv[])
+{
+	plan_lazy();
+
+	int_test(4, 2);
+	char a = 'a', b = 'b';
+	string_test(&a, &b);
+
+	return 0;
+}