diff --git a/src/tests/meson.build b/src/tests/meson.build
index ffec080b7..6c01893d7 100644
--- a/src/tests/meson.build
+++ b/src/tests/meson.build
@@ -1,7 +1,17 @@
-test_array = executable('test-array', 'test-array.c',
+test_apps = [
+	'test-array',
+	'test-client',
+	'test-core',
+	'test-remote'
+]
+
+foreach a : test_apps
+  test(a, executable(a, a + '.c',
                         dependencies : [pipewire_dep],
-                        install : false)
-test('test-array', test_array)
+			c_args : [ '-D_GNU_SOURCE' ],
+                        install : false))
+endforeach
+
 
 if have_cpp
 test_cpp = executable('test-cpp', 'test-cpp.cpp',
diff --git a/src/tests/test-array.c b/src/tests/test-array.c
index eb9a58cfa..6ce5fb512 100644
--- a/src/tests/test-array.c
+++ b/src/tests/test-array.c
@@ -1,20 +1,25 @@
 /* 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.
+ * Copyright © 2019 Wim Taymans
  *
- * 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.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
  *
- * 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.
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
  */
 
 #include <pipewire/array.h>
diff --git a/src/tests/test-client.c b/src/tests/test-client.c
new file mode 100644
index 000000000..1adfa52a0
--- /dev/null
+++ b/src/tests/test-client.c
@@ -0,0 +1,64 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <pipewire/client.h>
+
+#define TEST_FUNC(a,b,func)	\
+do {				\
+	a.func = b.func;	\
+	spa_assert(SPA_PTRDIFF(&a.func, &a) == SPA_PTRDIFF(&b.func, &b)); \
+} while(0)
+
+static void test_abi(void)
+{
+	struct pw_client_events ev;
+	struct {
+		uint32_t version;
+		void (*destroy) (void *data);
+		void (*free) (void *data);
+		void (*info_changed) (void *data, const struct pw_client_info *info);
+		void (*resource_added) (void *data, struct pw_resource *resource);
+		void (*resource_impl) (void *data, struct pw_resource *resource);
+		void (*resource_removed) (void *data, struct pw_resource *resource);
+		void (*busy_changed) (void *data, bool busy);
+	} test = { PW_VERSION_CLIENT_EVENTS, NULL };
+
+	TEST_FUNC(ev, test, destroy);
+	TEST_FUNC(ev, test, free);
+	TEST_FUNC(ev, test, info_changed);
+	TEST_FUNC(ev, test, resource_added);
+	TEST_FUNC(ev, test, resource_impl);
+	TEST_FUNC(ev, test, resource_removed);
+	TEST_FUNC(ev, test, busy_changed);
+
+	spa_assert(PW_VERSION_CLIENT_EVENTS == 0);
+	spa_assert(sizeof(ev) == sizeof(test));
+}
+
+int main(int argc, char *argv[])
+{
+	test_abi();
+
+	return 0;
+}
diff --git a/src/tests/test-core.c b/src/tests/test-core.c
new file mode 100644
index 000000000..b97a8d447
--- /dev/null
+++ b/src/tests/test-core.c
@@ -0,0 +1,278 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <pipewire/pipewire.h>
+#include <pipewire/main-loop.h>
+#include <pipewire/core.h>
+
+#define TEST_FUNC(a,b,func)	\
+do {				\
+	a.func = b.func;	\
+	spa_assert(SPA_PTRDIFF(&a.func, &a) == SPA_PTRDIFF(&b.func, &b)); \
+} while(0)
+
+static void test_abi(void)
+{
+	struct pw_core_events ev;
+	struct {
+		uint32_t version;
+		void (*destroy) (void *data);
+		void (*free) (void *data);
+		void (*info_changed) (void *data, const struct pw_core_info *info);
+		void (*check_access) (void *data, struct pw_client *client);
+		void (*global_added) (void *data, struct pw_global *global);
+		void (*global_removed) (void *data, struct pw_global *global);
+	} test = { PW_VERSION_CORE_EVENTS, NULL };
+
+	TEST_FUNC(ev, test, destroy);
+	TEST_FUNC(ev, test, free);
+	TEST_FUNC(ev, test, info_changed);
+	TEST_FUNC(ev, test, check_access);
+	TEST_FUNC(ev, test, global_added);
+	TEST_FUNC(ev, test, global_removed);
+
+	spa_assert(PW_VERSION_CORE_EVENTS == 0);
+	spa_assert(sizeof(ev) == sizeof(test));
+}
+
+static void core_destroy_error(void *data)
+{
+	spa_assert_not_reached();
+}
+static void core_free_error(void *data)
+{
+	spa_assert_not_reached();
+}
+static void core_info_changed_error(void *data, const struct pw_core_info *info)
+{
+	spa_assert_not_reached();
+}
+static void core_check_access_error(void *data, struct pw_client *client)
+{
+	spa_assert_not_reached();
+}
+static void core_global_added_error(void *data, struct pw_global *global)
+{
+	spa_assert_not_reached();
+}
+static void core_global_removed_error(void *data, struct pw_global *global)
+{
+	spa_assert_not_reached();
+}
+
+static const struct pw_core_events core_events_error =
+{
+	PW_VERSION_CORE_EVENTS,
+	.destroy = core_destroy_error,
+	.free = core_free_error,
+	.info_changed = core_info_changed_error,
+	.check_access = core_check_access_error,
+	.global_added = core_global_added_error,
+	.global_removed = core_global_removed_error,
+};
+
+static int destroy_count = 0;
+static void core_destroy_count(void *data)
+{
+	destroy_count++;
+}
+static int free_count = 0;
+static void core_free_count(void *data)
+{
+	free_count++;
+}
+static int global_removed_count = 0;
+static void core_global_removed_count(void *data, struct pw_global *global)
+{
+	global_removed_count++;
+}
+static int core_foreach_count = 0;
+static int core_foreach(void *data, struct pw_global *global)
+{
+	core_foreach_count++;
+	return 0;
+}
+static int core_foreach_error(void *data, struct pw_global *global)
+{
+	core_foreach_count++;
+	return -1;
+}
+static void test_create(void)
+{
+	struct pw_main_loop *loop;
+	struct pw_core *core;
+	struct spa_hook listener = { NULL, };
+	struct pw_core_events core_events = core_events_error;
+	struct pw_global *global;
+	int res;
+
+	loop = pw_main_loop_new(NULL);
+	spa_assert(loop != NULL);
+
+	core = pw_core_new(pw_main_loop_get_loop(loop), NULL, 12);
+	spa_assert(core != NULL);
+	pw_core_add_listener(core, &listener, &core_events, core);
+
+	/* check main loop */
+	spa_assert(pw_core_get_main_loop(core) == pw_main_loop_get_loop(loop));
+	/* check user data */
+	spa_assert(pw_core_get_user_data(core) != NULL);
+
+	/* check info */
+	spa_assert(pw_core_get_info(core) != NULL);
+
+	/* check global */
+	global = pw_core_get_global(core);
+	spa_assert(global != NULL);
+	spa_assert(pw_core_find_global(core, 0) == global);
+	spa_assert(pw_global_get_core(global) == core);
+	spa_assert(pw_global_get_owner(global) == NULL);
+	spa_assert(pw_global_get_parent(global) == global);
+	spa_assert(pw_global_get_type(global) == PW_TYPE_INTERFACE_Core);
+	spa_assert(pw_global_get_version(global) == PW_VERSION_CORE);
+	spa_assert(pw_global_get_id(global) == 0);
+	spa_assert(pw_global_get_object(global) == (void*)core);
+
+	/* iterate globals */
+	spa_assert(core_foreach_count == 0);
+	res = pw_core_for_each_global(core, core_foreach, core);
+	spa_assert(res == 0);
+	spa_assert(core_foreach_count == 1);
+	res = pw_core_for_each_global(core, core_foreach_error, core);
+	spa_assert(res == -1);
+	spa_assert(core_foreach_count == 2);
+
+	/* check destroy */
+	core_events.destroy = core_destroy_count;
+	core_events.free = core_free_count;
+	core_events.global_removed = core_global_removed_count;
+
+	spa_assert(destroy_count == 0);
+	spa_assert(free_count == 0);
+	spa_assert(global_removed_count == 0);
+	pw_core_destroy(core);
+	spa_assert(destroy_count == 1);
+	spa_assert(free_count == 1);
+	spa_assert(global_removed_count == 1);
+	pw_main_loop_destroy(loop);
+}
+
+static int info_changed_count = 0;
+static void core_info_changed_count(void *data, const struct pw_core_info *info)
+{
+	spa_assert(spa_dict_lookup(info->props, "foo") == NULL);
+	spa_assert(!strcmp(spa_dict_lookup(info->props, "biz"), "buzz"));
+	spa_assert(!strcmp(spa_dict_lookup(info->props, "buzz"), "frizz"));
+	info_changed_count++;
+}
+static void test_properties(void)
+{
+	struct pw_main_loop *loop;
+	struct pw_core *core;
+	const struct pw_properties *props;
+	struct spa_hook listener = { NULL, };
+	struct pw_core_events core_events = core_events_error;
+	struct spa_dict_item items[3];
+
+	loop = pw_main_loop_new(NULL);
+	core = pw_core_new(pw_main_loop_get_loop(loop),
+			pw_properties_new("foo", "bar",
+					  "biz", "fuzz",
+					  NULL),
+			0);
+	spa_assert(core != NULL);
+	spa_assert(pw_core_get_user_data(core) == NULL);
+	pw_core_add_listener(core, &listener, &core_events, core);
+
+	core_events.info_changed = core_info_changed_count;
+	spa_assert(info_changed_count == 0);
+
+	props = pw_core_get_properties(core);
+	spa_assert(props != NULL);
+	spa_assert(!strcmp(pw_properties_get(props, "foo"), "bar"));
+	spa_assert(!strcmp(pw_properties_get(props, "biz"), "fuzz"));
+	spa_assert(pw_properties_get(props, "buzz") == NULL);
+
+	/* remove foo */
+	items[0] = SPA_DICT_ITEM_INIT("foo", NULL);
+	/* change biz */
+	items[1] = SPA_DICT_ITEM_INIT("biz", "buzz");
+	/* add buzz */
+	items[2] = SPA_DICT_ITEM_INIT("buzz", "frizz");
+	pw_core_update_properties(core, &SPA_DICT_INIT(items, 3));
+
+	spa_assert(info_changed_count == 1);
+
+	spa_assert(props == pw_core_get_properties(core));
+	spa_assert(pw_properties_get(props, "foo") == NULL);
+	spa_assert(!strcmp(pw_properties_get(props, "biz"), "buzz"));
+	spa_assert(!strcmp(pw_properties_get(props, "buzz"), "frizz"));
+
+	spa_hook_remove(&listener);
+	pw_core_destroy(core);
+	pw_main_loop_destroy(loop);
+}
+
+static void test_support(void)
+{
+	struct pw_main_loop *loop;
+	struct pw_core *core;
+	const struct spa_support *support;
+	uint32_t n_support;
+	uint32_t types[] = {
+		SPA_TYPE_INTERFACE_DataLoop,
+		SPA_TYPE_INTERFACE_MainLoop,
+		SPA_TYPE_INTERFACE_LoopUtils,
+		SPA_TYPE_INTERFACE_Log,
+		SPA_TYPE_INTERFACE_DBus,
+		SPA_TYPE_INTERFACE_CPU
+	};
+	size_t i;
+
+	loop = pw_main_loop_new(NULL);
+	core = pw_core_new(pw_main_loop_get_loop(loop), NULL, 0);
+
+	support = pw_core_get_support(core, &n_support);
+	spa_assert(support != NULL);
+	spa_assert(n_support > 0);
+
+	for (i = 0; i < SPA_N_ELEMENTS(types); i++) {
+		spa_assert(spa_support_find(support, n_support, types[i]) != NULL);
+	}
+
+	pw_core_destroy(core);
+	pw_main_loop_destroy(loop);
+}
+
+int main(int argc, char *argv[])
+{
+	pw_init(&argc, &argv);
+
+	test_abi();
+	test_create();
+	test_properties();
+	test_support();
+
+	return 0;
+}
diff --git a/src/tests/test-remote.c b/src/tests/test-remote.c
new file mode 100644
index 000000000..8f62690be
--- /dev/null
+++ b/src/tests/test-remote.c
@@ -0,0 +1,73 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <pipewire/remote.h>
+
+#define TEST_FUNC(a,b,func)	\
+do {				\
+	a.func = b.func;	\
+	spa_assert(SPA_PTRDIFF(&a.func, &a) == SPA_PTRDIFF(&b.func, &b)); \
+} while(0)
+
+static void test_abi(void)
+{
+	struct pw_remote_events ev;
+	struct {
+		uint32_t version;
+		void (*destroy) (void *data);
+		void (*info_changed) (void *data, const struct pw_core_info *info);
+		void (*sync_reply) (void *data, uint32_t seq);
+		void (*state_changed) (void *data, enum pw_remote_state old,
+				enum pw_remote_state state, const char *error);
+		void (*error) (void *data, uint32_t id, int res, const char *error);
+		void (*exported) (void *data, uint32_t id);
+	} test = { PW_VERSION_REMOTE_EVENTS, NULL };
+
+	TEST_FUNC(ev, test, destroy);
+	TEST_FUNC(ev, test, info_changed);
+	TEST_FUNC(ev, test, sync_reply);
+	TEST_FUNC(ev, test, state_changed);
+	TEST_FUNC(ev, test, error);
+	TEST_FUNC(ev, test, exported);
+
+	spa_assert(PW_VERSION_REMOTE_EVENTS == 0);
+	spa_assert(sizeof(ev) == sizeof(test));
+
+	spa_assert(PW_REMOTE_STATE_ERROR == -1);
+	spa_assert(PW_REMOTE_STATE_UNCONNECTED == 0);
+	spa_assert(PW_REMOTE_STATE_CONNECTING == 1);
+	spa_assert(PW_REMOTE_STATE_CONNECTED == 2);
+
+	spa_assert(pw_remote_state_as_string(PW_REMOTE_STATE_ERROR) != NULL);
+	spa_assert(pw_remote_state_as_string(PW_REMOTE_STATE_UNCONNECTED) != NULL);
+	spa_assert(pw_remote_state_as_string(PW_REMOTE_STATE_CONNECTING) != NULL);
+	spa_assert(pw_remote_state_as_string(PW_REMOTE_STATE_CONNECTED) != NULL);
+}
+
+int main(int argc, char *argv[])
+{
+	test_abi();
+
+	return 0;
+}