tests: add array test

src/pipewire/array.h

@@ -59,8 +59,8 @@ struct pw_array {
 #define pw_array_check_index(a,idx,t)		pw_array_check_index_s(a,idx,sizeof(t))
 
 #define pw_array_first(a)	((a)->data)
-#define pw_array_end(a)		((const uint8_t*)(a)->data + (a)->size)
+#define pw_array_end(a)		SPA_MEMBER((a)->data, (a)->size, void)
-#define pw_array_check(a,p)	((const uint8_t*)(p) < pw_array_end(a))
+#define pw_array_check(a,p)	(SPA_MEMBER(p,sizeof(*p),void) <= pw_array_end(a))
 
 #define pw_array_for_each(pos, array)					\
 	for (pos = (__typeof__(pos)) pw_array_first(array);		\

src/tests/meson.build

@@ -1,3 +1,8 @@
+test_array = executable('test-array', 'test-array.c',
+                        dependencies : [pipewire_dep],
+                        install : false)
+test('test-array', test_array)
+
 if have_cpp
 test_cpp = executable('test-cpp', 'test-cpp.cpp',
                         dependencies : [pipewire_dep],

src/tests/test-array.c

@@ -0,0 +1,100 @@
+/* PipeWire
+ * Copyright (C) 2019 Wim Taymans <wim.taymans@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <pipewire/array.h>
+
+static void test_abi(void)
+{
+	/* array */
+	spa_assert(sizeof(struct pw_array) == 32);
+}
+
+static void test_array(void)
+{
+	struct pw_array arr;
+	uint32_t *ptr;
+	uint32_t vals[] = { 0, 100, 0x8a, 0 };
+	size_t i;
+
+	pw_array_init(&arr, 64);
+	spa_assert(SPA_N_ELEMENTS(vals) == 4);
+
+	spa_assert(pw_array_get_len(&arr, uint32_t) == 0);
+	spa_assert(pw_array_check_index(&arr, 0, uint32_t) == false);
+	spa_assert(pw_array_first(&arr) == pw_array_end(&arr));
+	pw_array_for_each(ptr, &arr)
+		spa_assert_not_reached();
+
+	for (i = 0; i < 4; i++) {
+		ptr = (uint32_t*)pw_array_add(&arr, sizeof(uint32_t));
+		*ptr = vals[i];
+	}
+
+	spa_assert(pw_array_get_len(&arr, uint32_t) == 4);
+	spa_assert(pw_array_check_index(&arr, 2, uint32_t) == true);
+	spa_assert(pw_array_check_index(&arr, 3, uint32_t) == true);
+	spa_assert(pw_array_check_index(&arr, 4, uint32_t) == false);
+
+	i = 0;
+	pw_array_for_each(ptr, &arr) {
+		spa_assert(*ptr == vals[i++]);
+	}
+
+	/* remove second */
+	ptr = pw_array_get_unchecked(&arr, 2, uint32_t);
+	spa_assert(ptr != NULL);
+	pw_array_remove(&arr, ptr);
+	spa_assert(pw_array_get_len(&arr, uint32_t) == 3);
+	spa_assert(pw_array_check_index(&arr, 3, uint32_t) == false);
+	ptr = pw_array_get_unchecked(&arr, 2, uint32_t);
+	spa_assert(ptr != NULL);
+	spa_assert(*ptr == vals[3]);
+
+	/* remove first */
+	ptr = pw_array_get_unchecked(&arr, 0, uint32_t);
+	spa_assert(ptr != NULL);
+	pw_array_remove(&arr, ptr);
+	spa_assert(pw_array_get_len(&arr, uint32_t) == 2);
+	ptr = pw_array_get_unchecked(&arr, 0, uint32_t);
+	spa_assert(ptr != NULL);
+	spa_assert(*ptr == vals[1]);
+
+	/* iterate */
+	ptr = (uint32_t*)pw_array_first(&arr);
+	spa_assert(pw_array_check(&arr, ptr));
+	spa_assert(*ptr == vals[1]);
+	ptr++;
+	spa_assert(pw_array_check(&arr, ptr));
+	spa_assert(*ptr == vals[3]);
+	ptr++;
+	spa_assert(pw_array_check(&arr, ptr) == false);
+
+	pw_array_reset(&arr);
+	spa_assert(pw_array_get_len(&arr, uint32_t) == 0);
+
+	pw_array_clear(&arr);
+}
+
+int main(int argc, char *argv[])
+{
+	test_abi();
+	test_array();
+
+	return 0;
+}