Adding upstream version 0.3.65.upstream/0.3.65upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 1570 insertions, 0 deletions

diff --git a/src/tests/meson.build b/src/tests/meson.build
new file mode 100644
index 0000000..f7c54f2
--- /dev/null
+++ b/src/tests/meson.build
@@ -0,0 +1,52 @@
+test_apps = [
+  'test-endpoint',
+  'test-interfaces',
+  # 'test-remote',
+  'test-stream',
+  'test-filter',
+]
+
+foreach a : test_apps
+  test('pw-' + a,
+    executable('pw-' + a, a + '.c',
+      dependencies : [pipewire_dep],
+      include_directories: [includes_inc],
+      install : installed_tests_enabled,
+      install_dir : installed_tests_execdir),
+    env : [
+      'SPA_PLUGIN_DIR=@0@'.format(spa_dep.get_variable('plugindir')),
+      'PIPEWIRE_CONFIG_DIR=@0@'.format(pipewire_dep.get_variable('confdatadir')),
+      'PIPEWIRE_MODULE_DIR=@0@'.format(pipewire_dep.get_variable('moduledir')),
+      ])
+
+  if installed_tests_enabled
+    test_conf = configuration_data()
+    test_conf.set('exec', installed_tests_execdir / 'pw-' + a)
+    configure_file(
+      input: installed_tests_template,
+      output: 'pw-' + a + '.test',
+      install_dir: installed_tests_metadir,
+      configuration: test_conf
+    )
+  endif
+endforeach
+
+
+if have_cpp
+  test_cpp = executable('pw-test-cpp', 'test-cpp.cpp',
+                          dependencies : [pipewire_dep],
+                          install : installed_tests_enabled,
+                          install_dir : installed_tests_execdir)
+  test('pw-test-cpp', test_cpp)
+
+  if installed_tests_enabled
+    test_conf = configuration_data()
+    test_conf.set('exec', installed_tests_execdir / 'pw-test-cpp')
+    configure_file(
+      input: installed_tests_template,
+      output: 'pw-test-cpp.test',
+      install_dir: installed_tests_metadir,
+      configuration: test_conf
+    )
+  endif
+endif
diff --git a/src/tests/test-cpp.cpp b/src/tests/test-cpp.cpp
new file mode 100644
index 0000000..e905724
--- /dev/null
+++ b/src/tests/test-cpp.cpp
@@ -0,0 +1,35 @@
+/* PipeWire
+ *
+ * Copyright © 2018 Wim Taymans <wim.taymans@gmail.com>
+ *
+ * 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/impl.h>
+#include <pipewire/extensions/client-node.h>
+#include <pipewire/extensions/protocol-native.h>
+
+
+int main(int argc, char *argv[])
+{
+	pw_init(&argc, &argv);
+	return 0;
+}
diff --git a/src/tests/test-endpoint.c b/src/tests/test-endpoint.c
new file mode 100644
index 0000000..dd516a6
--- /dev/null
+++ b/src/tests/test-endpoint.c
@@ -0,0 +1,469 @@
+/* PipeWire
+ *
+ * Copyright © 2020 Collabora Ltd.
+ *   @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * 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 <unistd.h>
+
+#include <pipewire/pipewire.h>
+#include <pipewire/extensions/session-manager.h>
+
+#include <spa/utils/string.h>
+#include <spa/pod/builder.h>
+#include <spa/pod/parser.h>
+#include <spa/pod/filter.h>
+
+#include <valgrind/valgrind.h>
+
+struct props
+{
+	float volume;
+	bool mute;
+};
+
+struct endpoint
+{
+	struct spa_interface iface;
+	struct spa_hook_list hooks;
+	struct pw_properties *properties;
+	struct pw_endpoint_info info;
+	uint32_t n_subscribe_ids;
+	uint32_t subscribe_ids[2];
+	struct props props;
+};
+
+#define pw_endpoint_emit(hooks,method,version,...) \
+	spa_hook_list_call_simple(hooks, struct pw_endpoint_events, \
+				  method, version, ##__VA_ARGS__)
+
+#define pw_endpoint_emit_info(hooks,...)	pw_endpoint_emit(hooks, info, 0, ##__VA_ARGS__)
+#define pw_endpoint_emit_param(hooks,...)	pw_endpoint_emit(hooks, param, 0, ##__VA_ARGS__)
+
+static int
+endpoint_add_listener(void *object,
+		struct spa_hook *listener,
+		const struct pw_endpoint_events *events,
+		void *data)
+{
+	struct endpoint *self = object;
+	struct spa_hook_list save;
+
+	spa_hook_list_isolate(&self->hooks, &save, listener, events, data);
+	pw_endpoint_emit_info(&self->hooks, &self->info);
+	spa_hook_list_join(&self->hooks, &save);
+	return 0;
+}
+
+static int
+endpoint_enum_params (void *object, int seq,
+		uint32_t id, uint32_t start, uint32_t num,
+		const struct spa_pod *filter)
+{
+	struct endpoint *self = object;
+	struct spa_pod *param, *result;
+	struct spa_pod_builder b = { 0 };
+	uint8_t buffer[1024];
+	uint32_t count = 0, index, next = start;
+
+	next = start;
+      next:
+	index = next++;
+
+	spa_pod_builder_init(&b, buffer, sizeof(buffer));
+
+	switch (id) {
+	case SPA_PARAM_PropInfo:
+	{
+		struct props *p = &self->props;
+
+		switch (index) {
+		case 0:
+			param = spa_pod_builder_add_object(&b,
+				SPA_TYPE_OBJECT_PropInfo, id,
+				SPA_PROP_INFO_id,   SPA_POD_Id(SPA_PROP_volume),
+				SPA_PROP_INFO_description, SPA_POD_String("volume"),
+				SPA_PROP_INFO_type, SPA_POD_CHOICE_RANGE_Float(p->volume, 0.0, 1.0));
+			break;
+		case 1:
+			param = spa_pod_builder_add_object(&b,
+				SPA_TYPE_OBJECT_PropInfo, id,
+				SPA_PROP_INFO_id,   SPA_POD_Id(SPA_PROP_mute),
+				SPA_PROP_INFO_description, SPA_POD_String("mute"),
+				SPA_PROP_INFO_type, SPA_POD_CHOICE_Bool(p->mute));
+			break;
+		default:
+			return 0;
+		}
+		break;
+	}
+	case SPA_PARAM_Props:
+	{
+		struct props *p = &self->props;
+
+		switch (index) {
+		case 0:
+			param = spa_pod_builder_add_object(&b,
+				SPA_TYPE_OBJECT_Props, id,
+				SPA_PROP_volume,  SPA_POD_Float(p->volume),
+				SPA_PROP_mute,    SPA_POD_Bool(p->mute));
+			break;
+		default:
+			return 0;
+		}
+		break;
+	}
+	default:
+		return -ENOENT;
+	}
+
+	if (spa_pod_filter(&b, &result, param, filter) < 0)
+		goto next;
+
+	pw_endpoint_emit_param(&self->hooks, seq, id, index, next, result);
+
+	if (++count != num)
+		goto next;
+
+	return 0;
+}
+
+static int
+endpoint_subscribe_params (void *object, uint32_t *ids, uint32_t n_ids)
+{
+	struct endpoint *self = object;
+
+	n_ids = SPA_MIN(n_ids, SPA_N_ELEMENTS(self->subscribe_ids));
+	self->n_subscribe_ids = n_ids;
+
+	for (uint32_t i = 0; i < n_ids; i++) {
+		self->subscribe_ids[i] = ids[i];
+		endpoint_enum_params(object, 1, ids[i], 0, UINT32_MAX, NULL);
+	}
+	return 0;
+}
+
+static int
+endpoint_set_param (void *object, uint32_t id, uint32_t flags,
+		const struct spa_pod *param)
+{
+	struct endpoint *self = object;
+
+	if (id == SPA_PARAM_Props) {
+		struct props *p = &self->props;
+		spa_pod_parse_object(param,
+			SPA_TYPE_OBJECT_Props, NULL,
+			SPA_PROP_volume, SPA_POD_OPT_Float(&p->volume),
+			SPA_PROP_mute,   SPA_POD_OPT_Bool(&p->mute));
+	}
+	else {
+		spa_assert_not_reached();
+		return -ENOENT;
+	}
+
+	for (uint32_t i = 0; i < self->n_subscribe_ids; i++) {
+		if (id == self->subscribe_ids[i])
+			endpoint_enum_params (self, 1, id, 0, UINT32_MAX, NULL);
+	}
+
+	return 0;
+}
+
+static int
+endpoint_create_link (void *object, const struct spa_dict *props)
+{
+	spa_assert_not_reached();
+	return -ENOTSUP;
+}
+
+static const struct pw_endpoint_methods endpoint_methods = {
+	PW_VERSION_ENDPOINT_METHODS,
+	.add_listener = endpoint_add_listener,
+	.subscribe_params = endpoint_subscribe_params,
+	.enum_params = endpoint_enum_params,
+	.set_param = endpoint_set_param,
+	.create_link = endpoint_create_link,
+};
+
+static struct spa_param_info param_info[] = {
+	SPA_PARAM_INFO (SPA_PARAM_Props, SPA_PARAM_INFO_READWRITE),
+	SPA_PARAM_INFO (SPA_PARAM_PropInfo, SPA_PARAM_INFO_READ)
+};
+
+static void
+endpoint_init(struct endpoint * self)
+{
+	self->iface = SPA_INTERFACE_INIT (
+		PW_TYPE_INTERFACE_Endpoint,
+		PW_VERSION_ENDPOINT,
+		&endpoint_methods, self);
+	spa_hook_list_init (&self->hooks);
+
+	self->info.version = PW_VERSION_ENDPOINT_INFO;
+	self->info.change_mask = PW_ENDPOINT_CHANGE_MASK_ALL;
+	self->info.name = "test-endpoint";
+	self->info.media_class = "Audio/Sink";
+	self->info.direction = PW_DIRECTION_OUTPUT;
+	self->info.n_streams = 0;
+	self->info.session_id = SPA_ID_INVALID;
+
+	self->properties = pw_properties_new(
+		PW_KEY_ENDPOINT_NAME, self->info.name,
+		PW_KEY_MEDIA_CLASS, self->info.media_class,
+		NULL);
+	self->info.props = &self->properties->dict;
+
+	self->info.params = param_info;
+	self->info.n_params = SPA_N_ELEMENTS (param_info);
+
+	self->props.volume = 0.9;
+	self->props.mute = false;
+}
+
+static void
+endpoint_clear(struct endpoint * self)
+{
+	spa_hook_list_clean(&self->hooks);
+	pw_properties_free(self->properties);
+}
+
+struct test_endpoint_data
+{
+	struct pw_main_loop *loop;
+	struct pw_context *context;
+	struct pw_core *core;
+
+	struct pw_registry *registry;
+	struct spa_hook registry_listener;
+
+	struct endpoint endpoint;
+	struct pw_proxy *export_proxy;
+	struct pw_proxy *bound_proxy;
+	struct spa_hook object_listener;
+	struct spa_hook proxy_listener;
+
+	struct props props;
+	bool info_received;
+	int params_received;
+};
+
+static void
+endpoint_event_info(void *data, const struct pw_endpoint_info *info)
+{
+	struct test_endpoint_data *d = data;
+	const char *val;
+
+	spa_assert_se(info);
+	spa_assert_se(info->version == PW_VERSION_ENDPOINT_INFO);
+	spa_assert_se(info->id == pw_proxy_get_bound_id(d->bound_proxy));
+	spa_assert_se(info->id == pw_proxy_get_bound_id(d->export_proxy));
+	spa_assert_se(info->change_mask == PW_ENDPOINT_CHANGE_MASK_ALL);
+	spa_assert_se(spa_streq(info->name, "test-endpoint"));
+	spa_assert_se(spa_streq(info->media_class, "Audio/Sink"));
+	spa_assert_se(info->direction == PW_DIRECTION_OUTPUT);
+	spa_assert_se(info->n_streams == 0);
+	spa_assert_se(info->session_id == SPA_ID_INVALID);
+	spa_assert_se(info->n_params == SPA_N_ELEMENTS (param_info));
+	spa_assert_se(info->n_params == 2);
+	spa_assert_se(info->params[0].id == param_info[0].id);
+	spa_assert_se(info->params[0].flags == param_info[0].flags);
+	spa_assert_se(info->params[1].id == param_info[1].id);
+	spa_assert_se(info->params[1].flags == param_info[1].flags);
+	spa_assert_se(info->props != NULL);
+	val = spa_dict_lookup(info->props, PW_KEY_ENDPOINT_NAME);
+	spa_assert_se(val && spa_streq(val, "test-endpoint"));
+	val = spa_dict_lookup(info->props, PW_KEY_MEDIA_CLASS);
+	spa_assert_se(val && spa_streq(val, "Audio/Sink"));
+
+	d->info_received = true;
+	pw_main_loop_quit(d->loop);
+}
+
+static void
+endpoint_event_param(void *data, int seq,
+		uint32_t id, uint32_t index, uint32_t next,
+		const struct spa_pod *param)
+{
+	struct test_endpoint_data *d = data;
+
+	if (id == SPA_PARAM_Props) {
+		struct props *p = &d->props;
+		spa_assert_se(param);
+		spa_pod_parse_object(param,
+			SPA_TYPE_OBJECT_Props, &id,
+			SPA_PROP_volume, SPA_POD_OPT_Float(&p->volume),
+			SPA_PROP_mute,   SPA_POD_OPT_Bool(&p->mute));
+		spa_assert_se(id == SPA_PARAM_Props);
+	}
+
+	d->params_received++;
+	pw_main_loop_quit(d->loop);
+}
+
+static const struct pw_endpoint_events endpoint_events = {
+	PW_VERSION_ENDPOINT_EVENTS,
+	.info = endpoint_event_info,
+	.param = endpoint_event_param,
+};
+
+static void
+endpoint_proxy_destroy(void *data)
+{
+	struct test_endpoint_data *d = data;
+	d->bound_proxy = NULL;
+	pw_main_loop_quit(d->loop);
+}
+
+static const struct pw_proxy_events proxy_events = {
+	PW_VERSION_PROXY_EVENTS,
+	.destroy = endpoint_proxy_destroy,
+};
+
+static void
+test_endpoint_global(void *data, uint32_t id,
+		uint32_t permissions, const char *type, uint32_t version,
+		const struct spa_dict *props)
+{
+	struct test_endpoint_data *d = data;
+	const char *val;
+
+	if (!spa_streq(type, PW_TYPE_INTERFACE_Endpoint))
+		return;
+
+	d->bound_proxy = pw_registry_bind(d->registry, id, type,
+					PW_VERSION_ENDPOINT, 0);
+	spa_assert_se(d->bound_proxy != NULL);
+
+	spa_assert_se(props != NULL);
+	val = spa_dict_lookup(props, PW_KEY_ENDPOINT_NAME);
+	spa_assert_se(val && spa_streq(val, "test-endpoint"));
+	val = spa_dict_lookup(props, PW_KEY_MEDIA_CLASS);
+	spa_assert_se(val && spa_streq(val, "Audio/Sink"));
+
+	pw_endpoint_add_listener(d->bound_proxy, &d->object_listener,
+				 &endpoint_events, d);
+	pw_proxy_add_listener(d->bound_proxy, &d->proxy_listener,
+				 &proxy_events, d);
+}
+
+static void
+test_endpoint_global_remove(void *data, uint32_t id)
+{
+	struct test_endpoint_data *d = data;
+	if (d->bound_proxy && id == pw_proxy_get_bound_id(d->bound_proxy))
+		pw_proxy_destroy(d->bound_proxy);
+}
+
+static const struct pw_registry_events registry_events = {
+	PW_VERSION_REGISTRY_EVENTS,
+	.global = test_endpoint_global,
+	.global_remove = test_endpoint_global_remove,
+};
+
+static void test_endpoint(void)
+{
+	struct test_endpoint_data d;
+	uint32_t ids[] = { SPA_PARAM_Props };
+	uint8_t buffer[1024];
+	struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, 1024);
+
+	d.loop = pw_main_loop_new(NULL);
+	d.context = pw_context_new(pw_main_loop_get_loop(d.loop), NULL, 0);
+	spa_assert_se(d.context != NULL);
+
+	d.core = pw_context_connect_self(d.context, NULL, 0);
+	spa_assert_se(d.core != NULL);
+
+	d.registry = pw_core_get_registry(d.core, PW_VERSION_REGISTRY, 0);
+	pw_registry_add_listener(d.registry,
+				&d.registry_listener,
+				&registry_events, &d);
+
+	/* export and expect to get a global on the registry, along with info */
+	d.info_received = false;
+	endpoint_init(&d.endpoint);
+	d.export_proxy = pw_core_export(d.core, PW_TYPE_INTERFACE_Endpoint,
+				d.endpoint.info.props, &d.endpoint.iface, 0);
+	spa_assert_se(d.export_proxy != NULL);
+	pw_main_loop_run(d.loop);
+	spa_assert_se(d.bound_proxy);
+	spa_assert_se(d.info_received == true);
+
+	/* request params */
+	d.params_received = 0;
+	d.props.volume = 0.0;
+	d.props.mute = true;
+	pw_endpoint_subscribe_params(d.bound_proxy, ids, SPA_N_ELEMENTS(ids));
+	pw_main_loop_run(d.loop);
+	spa_assert_se(d.params_received == 1);
+	spa_assert_se(d.props.volume > 0.89 && d.props.volume < 0.91);
+	spa_assert_se(d.props.mute == false);
+
+	/* set param from the client */
+	d.params_received = 0;
+	pw_endpoint_set_param(d.bound_proxy, SPA_PARAM_Props, 0,
+		spa_pod_builder_add_object(&b,
+				SPA_TYPE_OBJECT_Props, SPA_PARAM_Props,
+				SPA_PROP_volume, SPA_POD_Float(0.5)));
+	pw_main_loop_run(d.loop);
+	spa_assert_se(d.params_received == 1);
+	spa_assert_se(d.props.volume > 0.49 && d.props.volume < 0.51);
+	spa_assert_se(d.props.mute == false);
+
+	/* set param from the impl */
+	d.params_received = 0;
+	pw_endpoint_set_param(&d.endpoint.iface, SPA_PARAM_Props, 0,
+		spa_pod_builder_add_object(&b,
+				SPA_TYPE_OBJECT_Props, SPA_PARAM_Props,
+				SPA_PROP_volume, SPA_POD_Float(0.2),
+				SPA_PROP_mute, SPA_POD_Bool(true)));
+	pw_main_loop_run(d.loop);
+	spa_assert_se(d.params_received == 1);
+	spa_assert_se(d.props.volume > 0.19 && d.props.volume < 0.21);
+	spa_assert_se(d.props.mute == true);
+
+	/* stop exporting and expect to see that reflected on the registry */
+	pw_proxy_destroy(d.export_proxy);
+	pw_main_loop_run(d.loop);
+	spa_assert_se(!d.bound_proxy);
+
+	endpoint_clear(&d.endpoint);
+	pw_proxy_destroy((struct pw_proxy*)d.registry);
+	pw_context_destroy(d.context);
+	pw_main_loop_destroy(d.loop);
+}
+
+int main(int argc, char *argv[])
+{
+	/* FIXME: This test has a leak and a use of uninitialized buffer
+	 * that needs to be debugged and fixed (or excluded). Meanwhile -
+	 * skip it from valgrind so we can at least use the others. */
+	if (RUNNING_ON_VALGRIND)
+		return 77;
+
+	pw_init(&argc, &argv);
+
+	alarm(5); /* watchdog; terminate after 5 seconds */
+	test_endpoint();
+
+	return 0;
+}
diff --git a/src/tests/test-filter.c b/src/tests/test-filter.c
new file mode 100644
index 0000000..93f0037
--- /dev/null
+++ b/src/tests/test-filter.c
@@ -0,0 +1,375 @@
+/* PipeWire
+ *
+ * Copyright © 2022 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/filter.h>
+
+#include <spa/utils/string.h>
+
+#define TEST_FUNC(a,b,func)	\
+do {				\
+	a.func = b.func;	\
+	spa_assert_se(SPA_PTRDIFF(&a.func, &a) == SPA_PTRDIFF(&b.func, &b)); \
+} while(0)
+
+static void test_abi(void)
+{
+	static const struct {
+		uint32_t version;
+		void (*destroy) (void *data);
+		void (*state_changed) (void *data, enum pw_filter_state old,
+			enum pw_filter_state state, const char *error);
+		void (*io_changed) (void *data, void *port_data, uint32_t id, void *area, uint32_t size);
+		void (*param_changed) (void *data, void *port_data, uint32_t id, const struct spa_pod *param);
+		void (*add_buffer) (void *data, void *port_data, struct pw_buffer *buffer);
+		void (*remove_buffer) (void *data, void *port_data, struct pw_buffer *buffer);
+		void (*process) (void *data, struct spa_io_position *position);
+		void (*drained) (void *data);
+		void (*command) (void *data, const struct spa_command *command);
+	} test = { PW_VERSION_FILTER_EVENTS, NULL };
+
+	struct pw_filter_events ev;
+
+	TEST_FUNC(ev, test, destroy);
+	TEST_FUNC(ev, test, state_changed);
+	TEST_FUNC(ev, test, io_changed);
+	TEST_FUNC(ev, test, param_changed);
+	TEST_FUNC(ev, test, add_buffer);
+	TEST_FUNC(ev, test, remove_buffer);
+	TEST_FUNC(ev, test, process);
+	TEST_FUNC(ev, test, drained);
+	TEST_FUNC(ev, test, command);
+
+	spa_assert_se(PW_VERSION_FILTER_EVENTS == 1);
+	spa_assert_se(sizeof(ev) == sizeof(test));
+
+	spa_assert_se(PW_FILTER_STATE_ERROR == -1);
+	spa_assert_se(PW_FILTER_STATE_UNCONNECTED == 0);
+	spa_assert_se(PW_FILTER_STATE_CONNECTING == 1);
+	spa_assert_se(PW_FILTER_STATE_PAUSED == 2);
+	spa_assert_se(PW_FILTER_STATE_STREAMING == 3);
+
+	spa_assert_se(pw_filter_state_as_string(PW_FILTER_STATE_ERROR) != NULL);
+	spa_assert_se(pw_filter_state_as_string(PW_FILTER_STATE_UNCONNECTED) != NULL);
+	spa_assert_se(pw_filter_state_as_string(PW_FILTER_STATE_CONNECTING) != NULL);
+	spa_assert_se(pw_filter_state_as_string(PW_FILTER_STATE_PAUSED) != NULL);
+	spa_assert_se(pw_filter_state_as_string(PW_FILTER_STATE_STREAMING) != NULL);
+}
+
+static void filter_destroy_error(void *data)
+{
+	spa_assert_not_reached();
+}
+static void filter_state_changed_error(void *data, enum pw_filter_state old,
+		enum pw_filter_state state, const char *error)
+{
+	spa_assert_not_reached();
+}
+static void filter_io_changed_error(void *data, void *port_data, uint32_t id, void *area, uint32_t size)
+{
+	spa_assert_not_reached();
+}
+static void filter_param_changed_error(void *data, void *port_data, uint32_t id, const struct spa_pod *format)
+{
+	spa_assert_not_reached();
+}
+static void filter_add_buffer_error(void *data, void *port_data, struct pw_buffer *buffer)
+{
+	spa_assert_not_reached();
+}
+static void filter_remove_buffer_error(void *data, void *port_data, struct pw_buffer *buffer)
+{
+	spa_assert_not_reached();
+}
+static void filter_process_error(void *data, struct spa_io_position *position)
+{
+	spa_assert_not_reached();
+}
+static void filter_drained_error(void *data)
+{
+	spa_assert_not_reached();
+}
+
+static const struct pw_filter_events filter_events_error =
+{
+	PW_VERSION_FILTER_EVENTS,
+        .destroy = filter_destroy_error,
+        .state_changed = filter_state_changed_error,
+	.io_changed = filter_io_changed_error,
+	.param_changed = filter_param_changed_error,
+	.add_buffer = filter_add_buffer_error,
+	.remove_buffer = filter_remove_buffer_error,
+	.process = filter_process_error,
+	.drained = filter_drained_error
+};
+
+static int destroy_count = 0;
+static void filter_destroy_count(void *data)
+{
+	destroy_count++;
+}
+static void test_create(void)
+{
+	struct pw_main_loop *loop;
+	struct pw_context *context;
+	struct pw_core *core;
+	struct pw_filter *filter;
+	struct pw_filter_events filter_events = filter_events_error;
+	struct spa_hook listener = { 0, };
+	const char *error = NULL;
+
+	loop = pw_main_loop_new(NULL);
+	context = pw_context_new(pw_main_loop_get_loop(loop), NULL, 12);
+	spa_assert_se(context != NULL);
+	core = pw_context_connect_self(context, NULL, 0);
+	spa_assert_se(core != NULL);
+	filter = pw_filter_new(core, "test", NULL);
+	spa_assert_se(filter != NULL);
+	pw_filter_add_listener(filter, &listener, &filter_events, filter);
+
+	/* check state */
+	spa_assert_se(pw_filter_get_state(filter, &error) == PW_FILTER_STATE_UNCONNECTED);
+	spa_assert_se(error == NULL);
+	/* check name */
+	spa_assert_se(spa_streq(pw_filter_get_name(filter), "test"));
+
+	/* check id, only when connected */
+	spa_assert_se(pw_filter_get_node_id(filter) == SPA_ID_INVALID);
+
+	/* check destroy */
+	destroy_count = 0;
+	filter_events.destroy = filter_destroy_count;
+	pw_filter_destroy(filter);
+	spa_assert_se(destroy_count == 1);
+
+	pw_context_destroy(context);
+	pw_main_loop_destroy(loop);
+}
+
+static void test_properties(void)
+{
+	struct pw_main_loop *loop;
+	struct pw_context *context;
+	struct pw_core *core;
+	const struct pw_properties *props;
+	struct pw_filter *filter;
+	struct pw_filter_events filter_events = filter_events_error;
+	struct spa_hook listener = { { NULL }, };
+	struct spa_dict_item items[3];
+
+	loop = pw_main_loop_new(NULL);
+	context = pw_context_new(pw_main_loop_get_loop(loop), NULL, 12);
+	spa_assert_se(context != NULL);
+	core = pw_context_connect_self(context, NULL, 0);
+	spa_assert_se(core != NULL);
+	filter = pw_filter_new(core, "test",
+			pw_properties_new("foo", "bar",
+					  "biz", "fuzz",
+					  NULL));
+	spa_assert_se(filter != NULL);
+	pw_filter_add_listener(filter, &listener, &filter_events, filter);
+
+	props = pw_filter_get_properties(filter, NULL);
+	spa_assert_se(props != NULL);
+	spa_assert_se(spa_streq(pw_properties_get(props, "foo"), "bar"));
+	spa_assert_se(spa_streq(pw_properties_get(props, "biz"), "fuzz"));
+	spa_assert_se(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_filter_update_properties(filter, NULL, &SPA_DICT_INIT(items, 3));
+
+	spa_assert_se(props == pw_filter_get_properties(filter, NULL));
+	spa_assert_se(pw_properties_get(props, "foo") == NULL);
+	spa_assert_se(spa_streq(pw_properties_get(props, "biz"), "buzz"));
+	spa_assert_se(spa_streq(pw_properties_get(props, "buzz"), "frizz"));
+
+	/* check destroy */
+	destroy_count = 0;
+	filter_events.destroy = filter_destroy_count;
+	pw_context_destroy(context);
+	spa_assert_se(destroy_count == 1);
+
+	pw_main_loop_destroy(loop);
+}
+
+struct roundtrip_data
+{
+	struct pw_main_loop *loop;
+	int pending;
+	int done;
+};
+
+static void core_event_done(void *object, uint32_t id, int seq)
+{
+	struct roundtrip_data *data = object;
+	if (id == PW_ID_CORE && seq == data->pending) {
+		data->done = 1;
+		printf("done %d\n", seq);
+		pw_main_loop_quit(data->loop);
+	}
+}
+
+static int roundtrip(struct pw_core *core, struct pw_main_loop *loop)
+{
+	struct spa_hook core_listener;
+	struct roundtrip_data data = { .loop = loop };
+	const struct pw_core_events core_events = {
+	PW_VERSION_CORE_EVENTS,
+		.done = core_event_done,
+	};
+	spa_zero(core_listener);
+	pw_core_add_listener(core, &core_listener,
+			&core_events, &data);
+
+	data.pending = pw_core_sync(core, PW_ID_CORE, 0);
+	printf("sync %d\n", data.pending);
+
+	while (!data.done) {
+		pw_main_loop_run(loop);
+	}
+	spa_hook_remove(&core_listener);
+	return 0;
+}
+
+static int node_count = 0;
+static int port_count = 0;
+static void registry_event_global(void *data, uint32_t id,
+		uint32_t permissions, const char *type, uint32_t version,
+		const struct spa_dict *props)
+{
+	printf("object: id:%u type:%s/%d\n", id, type, version);
+	if (spa_streq(type, PW_TYPE_INTERFACE_Port))
+		port_count++;
+	else if (spa_streq(type, PW_TYPE_INTERFACE_Node))
+		node_count++;
+
+}
+static void registry_event_global_remove(void *data, uint32_t id)
+{
+	printf("object: id:%u\n", id);
+}
+
+struct port {
+	struct pw_filter *filter;
+};
+
+static void test_create_port(void)
+{
+	struct pw_main_loop *loop;
+	struct pw_context *context;
+	struct pw_core *core;
+	struct pw_registry *registry;
+	struct pw_filter *filter;
+	struct spa_hook registry_listener = { 0, };
+	static const struct pw_registry_events registry_events = {
+		PW_VERSION_REGISTRY_EVENTS,
+		.global = registry_event_global,
+		.global_remove = registry_event_global_remove,
+	};
+	int res;
+	struct port *port;
+	enum pw_filter_state state;
+
+	loop = pw_main_loop_new(NULL);
+	context = pw_context_new(pw_main_loop_get_loop(loop), NULL, 12);
+	spa_assert_se(context != NULL);
+	core = pw_context_connect_self(context, NULL, 0);
+	spa_assert_se(core != NULL);
+	filter = pw_filter_new(core, "test", NULL);
+	spa_assert_se(filter != NULL);
+
+	registry = pw_core_get_registry(core, PW_VERSION_REGISTRY, 0);
+	spa_assert_se(registry != NULL);
+        pw_registry_add_listener(registry, &registry_listener,
+                                       &registry_events, NULL);
+
+	state = pw_filter_get_state(filter, NULL);
+	printf("state %s\n", pw_filter_state_as_string(state));
+	res = pw_filter_connect(filter, PW_FILTER_FLAG_RT_PROCESS, NULL, 0);
+	spa_assert_se(res >= 0);
+
+	printf("wait connect\n");
+	while (true) {
+		state = pw_filter_get_state(filter, NULL);
+		printf("state %s\n", pw_filter_state_as_string(state));
+		spa_assert_se(state != PW_FILTER_STATE_ERROR);
+
+		if (state == PW_FILTER_STATE_PAUSED)
+			break;
+
+		roundtrip(core, loop);
+	}
+	spa_assert_se(node_count == 1);
+
+	printf("add port\n");
+	/* make an audio DSP output port */
+	port = pw_filter_add_port(filter,
+			PW_DIRECTION_OUTPUT,
+			PW_FILTER_PORT_FLAG_MAP_BUFFERS,
+			sizeof(struct port),
+			pw_properties_new(
+				PW_KEY_FORMAT_DSP, "32 bit float mono audio",
+				PW_KEY_PORT_NAME, "output",
+				NULL),
+			NULL, 0);
+
+	printf("wait port\n");
+	roundtrip(core, loop);
+
+	spa_assert_se(port_count == 1);
+	printf("port added\n");
+
+	printf("remove port\n");
+	pw_filter_remove_port(port);
+	roundtrip(core, loop);
+
+	printf("destroy\n");
+	/* check destroy */
+	pw_filter_destroy(filter);
+
+	pw_proxy_destroy((struct pw_proxy*)registry);
+
+	pw_context_destroy(context);
+	pw_main_loop_destroy(loop);
+}
+
+int main(int argc, char *argv[])
+{
+	pw_init(&argc, &argv);
+
+	test_abi();
+	test_create();
+	test_properties();
+	test_create_port();
+
+	pw_deinit();
+
+	return 0;
+}
diff --git a/src/tests/test-interfaces.c b/src/tests/test-interfaces.c
new file mode 100644
index 0000000..86f772f
--- /dev/null
+++ b/src/tests/test-interfaces.c
@@ -0,0 +1,382 @@
+/* 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>
+
+#define TEST_FUNC(a,b,func)	\
+do {				\
+	a.func = b.func;	\
+	spa_assert_se(SPA_PTRDIFF(&a.func, &a) == SPA_PTRDIFF(&b.func, &b)); \
+} while(0)
+
+static void test_core_abi(void)
+{
+	static const struct {
+		uint32_t version;
+		int (*add_listener) (void *object,
+			struct spa_hook *listener,
+			const struct pw_core_events *events,
+			void *data);
+		int (*hello) (void *object, uint32_t version);
+		int (*sync) (void *object, uint32_t id, int seq);
+		int (*pong) (void *object, uint32_t id, int seq);
+		int (*error) (void *object, uint32_t id, int seq, int res, const char *error);
+		struct pw_registry * (*get_registry) (void *object,
+				uint32_t version, size_t user_data_size);
+		void * (*create_object) (void *object,
+				       const char *factory_name,
+				       const char *type,
+				       uint32_t version,
+				       const struct spa_dict *props,
+				       size_t user_data_size);
+		int (*destroy) (void *object, void *proxy);
+	} methods = { PW_VERSION_CORE_METHODS, };
+	static const struct {
+		uint32_t version;
+		void (*info) (void *data, const struct pw_core_info *info);
+		void (*done) (void *data, uint32_t id, int seq);
+		void (*ping) (void *data, uint32_t id, int seq);
+		void (*error) (void *data, uint32_t id, int seq, int res, const char *error);
+		void (*remove_id) (void *data, uint32_t id);
+		void (*bound_id) (void *data, uint32_t id, uint32_t global_id);
+		void (*add_mem) (void *data, uint32_t id, uint32_t type, int fd, uint32_t flags);
+		void (*remove_mem) (void *data, uint32_t id);
+	} events = { PW_VERSION_CORE_EVENTS, };
+
+	struct pw_core_events e;
+	struct pw_core_methods m;
+
+	TEST_FUNC(m, methods, version);
+	TEST_FUNC(m, methods, add_listener);
+	TEST_FUNC(m, methods, hello);
+	TEST_FUNC(m, methods, sync);
+	TEST_FUNC(m, methods, pong);
+	TEST_FUNC(m, methods, error);
+	TEST_FUNC(m, methods, get_registry);
+	TEST_FUNC(m, methods, create_object);
+	TEST_FUNC(m, methods, destroy);
+	spa_assert_se(PW_VERSION_CORE_METHODS == 0);
+	spa_assert_se(sizeof(m) == sizeof(methods));
+
+	TEST_FUNC(e, events, version);
+	TEST_FUNC(e, events, info);
+	TEST_FUNC(e, events, done);
+	TEST_FUNC(e, events, ping);
+	TEST_FUNC(e, events, error);
+	TEST_FUNC(e, events, remove_id);
+	TEST_FUNC(e, events, bound_id);
+	TEST_FUNC(e, events, add_mem);
+	TEST_FUNC(e, events, remove_mem);
+	spa_assert_se(PW_VERSION_CORE_EVENTS == 0);
+	spa_assert_se(sizeof(e) == sizeof(events));
+}
+
+static void test_registry_abi(void)
+{
+	struct pw_registry_methods m;
+	struct pw_registry_events e;
+	struct {
+		uint32_t version;
+		int (*add_listener) (void *object,
+			struct spa_hook *listener,
+			const struct pw_registry_events *events,
+			void *data);
+		void * (*bind) (void *object, uint32_t id, const char *type, uint32_t version,
+				size_t user_data_size);
+		int (*destroy) (void *object, uint32_t id);
+	} methods = { PW_VERSION_REGISTRY_METHODS, };
+	struct {
+		uint32_t version;
+		void (*global) (void *data, uint32_t id,
+			uint32_t permissions, const char *type, uint32_t version,
+			const struct spa_dict *props);
+		void (*global_remove) (void *data, uint32_t id);
+	} events = { PW_VERSION_REGISTRY_EVENTS, };
+
+	TEST_FUNC(m, methods, version);
+	TEST_FUNC(m, methods, add_listener);
+	TEST_FUNC(m, methods, bind);
+	TEST_FUNC(m, methods, destroy);
+	spa_assert_se(PW_VERSION_REGISTRY_METHODS == 0);
+	spa_assert_se(sizeof(m) == sizeof(methods));
+
+	TEST_FUNC(e, events, version);
+	TEST_FUNC(e, events, global);
+	TEST_FUNC(e, events, global_remove);
+	spa_assert_se(PW_VERSION_REGISTRY_EVENTS == 0);
+	spa_assert_se(sizeof(e) == sizeof(events));
+}
+
+static void test_module_abi(void)
+{
+	struct pw_module_methods m;
+	struct pw_module_events e;
+	struct {
+		uint32_t version;
+		int (*add_listener) (void *object,
+			struct spa_hook *listener,
+			const struct pw_module_events *events,
+			void *data);
+	} methods = { PW_VERSION_MODULE_METHODS, };
+	struct {
+		uint32_t version;
+		void (*info) (void *data, const struct pw_module_info *info);
+	} events = { PW_VERSION_MODULE_EVENTS, };
+
+	TEST_FUNC(m, methods, version);
+	TEST_FUNC(m, methods, add_listener);
+	spa_assert_se(PW_VERSION_MODULE_METHODS == 0);
+	spa_assert_se(sizeof(m) == sizeof(methods));
+
+	TEST_FUNC(e, events, version);
+	TEST_FUNC(e, events, info);
+	spa_assert_se(PW_VERSION_MODULE_EVENTS == 0);
+	spa_assert_se(sizeof(e) == sizeof(events));
+}
+
+static void test_device_abi(void)
+{
+	struct pw_device_methods m;
+	struct pw_device_events e;
+	struct {
+		uint32_t version;
+		int (*add_listener) (void *object,
+			struct spa_hook *listener,
+			const struct pw_device_events *events,
+			void *data);
+		int (*subscribe_params) (void *object, uint32_t *ids, uint32_t n_ids);
+		int (*enum_params) (void *object, int seq, uint32_t id,
+			uint32_t start, uint32_t num,
+			const struct spa_pod *filter);
+		int (*set_param) (void *object, uint32_t id, uint32_t flags,
+			const struct spa_pod *param);
+	} methods = { PW_VERSION_DEVICE_METHODS, };
+	struct {
+		uint32_t version;
+		void (*info) (void *data, const struct pw_device_info *info);
+		void (*param) (void *data, int seq,
+			uint32_t id, uint32_t index, uint32_t next,
+			const struct spa_pod *param);
+	} events = { PW_VERSION_DEVICE_EVENTS, };
+
+	TEST_FUNC(m, methods, version);
+	TEST_FUNC(m, methods, add_listener);
+	TEST_FUNC(m, methods, subscribe_params);
+	TEST_FUNC(m, methods, enum_params);
+	TEST_FUNC(m, methods, set_param);
+	spa_assert_se(PW_VERSION_DEVICE_METHODS == 0);
+	spa_assert_se(sizeof(m) == sizeof(methods));
+
+	TEST_FUNC(e, events, version);
+	TEST_FUNC(e, events, info);
+	TEST_FUNC(e, events, param);
+	spa_assert_se(PW_VERSION_DEVICE_EVENTS == 0);
+	spa_assert_se(sizeof(e) == sizeof(events));
+}
+
+static void test_node_abi(void)
+{
+	struct pw_node_methods m;
+	struct pw_node_events e;
+	struct {
+		uint32_t version;
+		int (*add_listener) (void *object,
+			struct spa_hook *listener,
+			const struct pw_node_events *events,
+			void *data);
+		int (*subscribe_params) (void *object, uint32_t *ids, uint32_t n_ids);
+		int (*enum_params) (void *object, int seq, uint32_t id,
+			uint32_t start, uint32_t num, const struct spa_pod *filter);
+		int (*set_param) (void *object, uint32_t id, uint32_t flags,
+			const struct spa_pod *param);
+		int (*send_command) (void *object, const struct spa_command *command);
+	} methods = { PW_VERSION_NODE_METHODS, };
+	struct {
+		uint32_t version;
+		void (*info) (void *data, const struct pw_node_info *info);
+		void (*param) (void *data, int seq,
+			uint32_t id, uint32_t index, uint32_t next,
+			const struct spa_pod *param);
+	} events = { PW_VERSION_NODE_EVENTS, };
+
+	TEST_FUNC(m, methods, version);
+	TEST_FUNC(m, methods, add_listener);
+	TEST_FUNC(m, methods, subscribe_params);
+	TEST_FUNC(m, methods, enum_params);
+	TEST_FUNC(m, methods, set_param);
+	TEST_FUNC(m, methods, send_command);
+	spa_assert_se(PW_VERSION_NODE_METHODS == 0);
+	spa_assert_se(sizeof(m) == sizeof(methods));
+
+	TEST_FUNC(e, events, version);
+	TEST_FUNC(e, events, info);
+	TEST_FUNC(e, events, param);
+	spa_assert_se(PW_VERSION_NODE_EVENTS == 0);
+	spa_assert_se(sizeof(e) == sizeof(events));
+}
+
+static void test_port_abi(void)
+{
+	struct pw_port_methods m;
+	struct pw_port_events e;
+	struct {
+		uint32_t version;
+		int (*add_listener) (void *object,
+			struct spa_hook *listener,
+			const struct pw_port_events *events,
+			void *data);
+		int (*subscribe_params) (void *object, uint32_t *ids, uint32_t n_ids);
+		int (*enum_params) (void *object, int seq, uint32_t id,
+			uint32_t start, uint32_t num, const struct spa_pod *filter);
+	} methods = { PW_VERSION_PORT_METHODS, };
+	struct {
+		uint32_t version;
+		void (*info) (void *data, const struct pw_port_info *info);
+		void (*param) (void *data, int seq,
+			uint32_t id, uint32_t index, uint32_t next,
+			const struct spa_pod *param);
+	} events = { PW_VERSION_PORT_EVENTS, };
+
+	TEST_FUNC(m, methods, version);
+	TEST_FUNC(m, methods, add_listener);
+	TEST_FUNC(m, methods, enum_params);
+	spa_assert_se(PW_VERSION_PORT_METHODS == 0);
+	spa_assert_se(sizeof(m) == sizeof(methods));
+
+	TEST_FUNC(e, events, version);
+	TEST_FUNC(e, events, info);
+	TEST_FUNC(e, events, param);
+	spa_assert_se(PW_VERSION_PORT_EVENTS == 0);
+	spa_assert_se(sizeof(e) == sizeof(events));
+}
+
+static void test_factory_abi(void)
+{
+	struct pw_factory_methods m;
+	struct pw_factory_events e;
+	struct {
+		uint32_t version;
+		int (*add_listener) (void *object,
+			struct spa_hook *listener,
+			const struct pw_factory_events *events,
+			void *data);
+	} methods = { PW_VERSION_FACTORY_METHODS, };
+	struct {
+		uint32_t version;
+		void (*info) (void *data, const struct pw_factory_info *info);
+	} events = { PW_VERSION_FACTORY_EVENTS, };
+
+	TEST_FUNC(m, methods, version);
+	TEST_FUNC(m, methods, add_listener);
+	spa_assert_se(PW_VERSION_FACTORY_METHODS == 0);
+	spa_assert_se(sizeof(m) == sizeof(methods));
+
+	TEST_FUNC(e, events, version);
+	TEST_FUNC(e, events, info);
+	spa_assert_se(PW_VERSION_FACTORY_EVENTS == 0);
+	spa_assert_se(sizeof(e) == sizeof(events));
+}
+
+static void test_client_abi(void)
+{
+	struct pw_client_methods m;
+	struct pw_client_events e;
+	struct {
+		uint32_t version;
+		int (*add_listener) (void *object,
+			struct spa_hook *listener,
+			const struct pw_client_events *events,
+			void *data);
+		int (*error) (void *object, uint32_t id, int res, const char *error);
+		int (*update_properties) (void *object, const struct spa_dict *props);
+		int (*get_permissions) (void *object, uint32_t index, uint32_t num);
+		int (*update_permissions) (void *object, uint32_t n_permissions,
+			const struct pw_permission *permissions);
+	} methods = { PW_VERSION_CLIENT_METHODS, };
+	struct {
+		uint32_t version;
+		void (*info) (void *data, const struct pw_client_info *info);
+		void (*permissions) (void *data, uint32_t index,
+			uint32_t n_permissions, const struct pw_permission *permissions);
+	} events = { PW_VERSION_CLIENT_EVENTS, };
+
+	TEST_FUNC(m, methods, version);
+	TEST_FUNC(m, methods, add_listener);
+	TEST_FUNC(m, methods, error);
+	TEST_FUNC(m, methods, update_properties);
+	TEST_FUNC(m, methods, get_permissions);
+	TEST_FUNC(m, methods, update_permissions);
+	spa_assert_se(PW_VERSION_CLIENT_METHODS == 0);
+	spa_assert_se(sizeof(m) == sizeof(methods));
+
+	TEST_FUNC(e, events, version);
+	TEST_FUNC(e, events, info);
+	TEST_FUNC(e, events, permissions);
+	spa_assert_se(PW_VERSION_CLIENT_EVENTS == 0);
+	spa_assert_se(sizeof(e) == sizeof(events));
+}
+
+static void test_link_abi(void)
+{
+	struct pw_link_methods m;
+	struct pw_link_events e;
+	struct {
+		uint32_t version;
+		int (*add_listener) (void *object,
+			struct spa_hook *listener,
+			const struct pw_link_events *events,
+			void *data);
+	} methods = { PW_VERSION_LINK_METHODS, };
+	struct {
+		uint32_t version;
+		void (*info) (void *data, const struct pw_link_info *info);
+	} events = { PW_VERSION_LINK_EVENTS, };
+
+	TEST_FUNC(m, methods, version);
+	TEST_FUNC(m, methods, add_listener);
+	spa_assert_se(PW_VERSION_LINK_METHODS == 0);
+	spa_assert_se(sizeof(m) == sizeof(methods));
+
+	TEST_FUNC(e, events, version);
+	TEST_FUNC(e, events, info);
+	spa_assert_se(PW_VERSION_LINK_EVENTS == 0);
+	spa_assert_se(sizeof(e) == sizeof(events));
+}
+
+int main(int argc, char *argv[])
+{
+	pw_init(&argc, &argv);
+
+	test_core_abi();
+	test_registry_abi();
+	test_module_abi();
+	test_device_abi();
+	test_node_abi();
+	test_port_abi();
+	test_factory_abi();
+	test_client_abi();
+	test_link_abi();
+
+	return 0;
+}
diff --git a/src/tests/test-stream.c b/src/tests/test-stream.c
new file mode 100644
index 0000000..1e54fed
--- /dev/null
+++ b/src/tests/test-stream.c
@@ -0,0 +1,257 @@
+/* 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/stream.h>
+
+#include <spa/utils/string.h>
+
+#define TEST_FUNC(a,b,func)	\
+do {				\
+	a.func = b.func;	\
+	spa_assert_se(SPA_PTRDIFF(&a.func, &a) == SPA_PTRDIFF(&b.func, &b)); \
+} while(0)
+
+static void test_abi(void)
+{
+	static const struct {
+		uint32_t version;
+		void (*destroy) (void *data);
+		void (*state_changed) (void *data, enum pw_stream_state old,
+			enum pw_stream_state state, const char *error);
+		void (*control_info) (void *data, uint32_t id, const struct pw_stream_control *control);
+		void (*io_changed) (void *data, uint32_t id, void *area, uint32_t size);
+		void (*param_changed) (void *data, uint32_t id, const struct spa_pod *param);
+		void (*add_buffer) (void *data, struct pw_buffer *buffer);
+		void (*remove_buffer) (void *data, struct pw_buffer *buffer);
+		void (*process) (void *data);
+		void (*drained) (void *data);
+		void (*command) (void *data, const struct spa_command *command);
+		void (*trigger_done) (void *data);
+	} test = { PW_VERSION_STREAM_EVENTS, NULL };
+
+	struct pw_stream_events ev;
+
+	TEST_FUNC(ev, test, destroy);
+	TEST_FUNC(ev, test, state_changed);
+	TEST_FUNC(ev, test, control_info);
+	TEST_FUNC(ev, test, io_changed);
+	TEST_FUNC(ev, test, param_changed);
+	TEST_FUNC(ev, test, add_buffer);
+	TEST_FUNC(ev, test, remove_buffer);
+	TEST_FUNC(ev, test, process);
+	TEST_FUNC(ev, test, drained);
+	TEST_FUNC(ev, test, command);
+	TEST_FUNC(ev, test, trigger_done);
+
+#if defined(__x86_64__) && defined(__LP64__)
+	spa_assert_se(sizeof(struct pw_buffer) == 32);
+	spa_assert_se(sizeof(struct pw_time) == 56);
+#else
+	fprintf(stderr, "%zd\n", sizeof(struct pw_buffer));
+	fprintf(stderr, "%zd\n", sizeof(struct pw_time));
+#endif
+
+	spa_assert_se(PW_VERSION_STREAM_EVENTS == 2);
+	spa_assert_se(sizeof(ev) == sizeof(test));
+
+	spa_assert_se(PW_STREAM_STATE_ERROR == -1);
+	spa_assert_se(PW_STREAM_STATE_UNCONNECTED == 0);
+	spa_assert_se(PW_STREAM_STATE_CONNECTING == 1);
+	spa_assert_se(PW_STREAM_STATE_PAUSED == 2);
+	spa_assert_se(PW_STREAM_STATE_STREAMING == 3);
+
+	spa_assert_se(pw_stream_state_as_string(PW_STREAM_STATE_ERROR) != NULL);
+	spa_assert_se(pw_stream_state_as_string(PW_STREAM_STATE_UNCONNECTED) != NULL);
+	spa_assert_se(pw_stream_state_as_string(PW_STREAM_STATE_CONNECTING) != NULL);
+	spa_assert_se(pw_stream_state_as_string(PW_STREAM_STATE_PAUSED) != NULL);
+	spa_assert_se(pw_stream_state_as_string(PW_STREAM_STATE_STREAMING) != NULL);
+}
+
+static void stream_destroy_error(void *data)
+{
+	spa_assert_not_reached();
+}
+static void stream_state_changed_error(void *data, enum pw_stream_state old,
+		enum pw_stream_state state, const char *error)
+{
+	spa_assert_not_reached();
+}
+static void stream_io_changed_error(void *data, uint32_t id, void *area, uint32_t size)
+{
+	spa_assert_not_reached();
+}
+static void stream_param_changed_error(void *data, uint32_t id, const struct spa_pod *format)
+{
+	spa_assert_not_reached();
+}
+static void stream_add_buffer_error(void *data, struct pw_buffer *buffer)
+{
+	spa_assert_not_reached();
+}
+static void stream_remove_buffer_error(void *data, struct pw_buffer *buffer)
+{
+	spa_assert_not_reached();
+}
+static void stream_process_error(void *data)
+{
+	spa_assert_not_reached();
+}
+static void stream_drained_error(void *data)
+{
+	spa_assert_not_reached();
+}
+
+static const struct pw_stream_events stream_events_error =
+{
+	PW_VERSION_STREAM_EVENTS,
+        .destroy = stream_destroy_error,
+        .state_changed = stream_state_changed_error,
+	.io_changed = stream_io_changed_error,
+	.param_changed = stream_param_changed_error,
+	.add_buffer = stream_add_buffer_error,
+	.remove_buffer = stream_remove_buffer_error,
+	.process = stream_process_error,
+	.drained = stream_drained_error
+};
+
+static int destroy_count = 0;
+static void stream_destroy_count(void *data)
+{
+	destroy_count++;
+}
+static void test_create(void)
+{
+	struct pw_main_loop *loop;
+	struct pw_context *context;
+	struct pw_core *core;
+	struct pw_stream *stream;
+	struct pw_stream_events stream_events = stream_events_error;
+	struct spa_hook listener = { 0, };
+	const char *error = NULL;
+	struct pw_time tm;
+
+	loop = pw_main_loop_new(NULL);
+	context = pw_context_new(pw_main_loop_get_loop(loop), NULL, 12);
+	spa_assert_se(context != NULL);
+	core = pw_context_connect_self(context, NULL, 0);
+	spa_assert_se(core != NULL);
+	stream = pw_stream_new(core, "test", NULL);
+	spa_assert_se(stream != NULL);
+	pw_stream_add_listener(stream, &listener, &stream_events, stream);
+
+	/* check state */
+	spa_assert_se(pw_stream_get_state(stream, &error) == PW_STREAM_STATE_UNCONNECTED);
+	spa_assert_se(error == NULL);
+	/* check name */
+	spa_assert_se(spa_streq(pw_stream_get_name(stream), "test"));
+
+	/* check id, only when connected */
+	spa_assert_se(pw_stream_get_node_id(stream) == SPA_ID_INVALID);
+
+	spa_assert_se(pw_stream_get_time_n(stream, &tm, sizeof(tm)) == 0);
+	spa_assert_se(tm.now == 0);
+	spa_assert_se(tm.rate.num == 0);
+	spa_assert_se(tm.rate.denom == 0);
+	spa_assert_se(tm.ticks == 0);
+	spa_assert_se(tm.delay == 0);
+	spa_assert_se(tm.queued == 0);
+	spa_assert_se(tm.buffered == 0);
+
+	spa_assert_se(pw_stream_dequeue_buffer(stream) == NULL);
+
+	/* check destroy */
+	destroy_count = 0;
+	stream_events.destroy = stream_destroy_count;
+	pw_stream_destroy(stream);
+	spa_assert_se(destroy_count == 1);
+
+	pw_context_destroy(context);
+	pw_main_loop_destroy(loop);
+}
+
+static void test_properties(void)
+{
+	struct pw_main_loop *loop;
+	struct pw_context *context;
+	struct pw_core *core;
+	const struct pw_properties *props;
+	struct pw_stream *stream;
+	struct pw_stream_events stream_events = stream_events_error;
+	struct spa_hook listener = { { NULL }, };
+	struct spa_dict_item items[3];
+
+	loop = pw_main_loop_new(NULL);
+	context = pw_context_new(pw_main_loop_get_loop(loop), NULL, 12);
+	spa_assert_se(context != NULL);
+	core = pw_context_connect_self(context, NULL, 0);
+	spa_assert_se(core != NULL);
+	stream = pw_stream_new(core, "test",
+			pw_properties_new("foo", "bar",
+					  "biz", "fuzz",
+					  NULL));
+	spa_assert_se(stream != NULL);
+	pw_stream_add_listener(stream, &listener, &stream_events, stream);
+
+	props = pw_stream_get_properties(stream);
+	spa_assert_se(props != NULL);
+	spa_assert_se(spa_streq(pw_properties_get(props, "foo"), "bar"));
+	spa_assert_se(spa_streq(pw_properties_get(props, "biz"), "fuzz"));
+	spa_assert_se(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_stream_update_properties(stream, &SPA_DICT_INIT(items, 3));
+
+	spa_assert_se(props == pw_stream_get_properties(stream));
+	spa_assert_se(pw_properties_get(props, "foo") == NULL);
+	spa_assert_se(spa_streq(pw_properties_get(props, "biz"), "buzz"));
+	spa_assert_se(spa_streq(pw_properties_get(props, "buzz"), "frizz"));
+
+	/* check destroy */
+	destroy_count = 0;
+	stream_events.destroy = stream_destroy_count;
+	pw_context_destroy(context);
+	spa_assert_se(destroy_count == 1);
+
+	pw_main_loop_destroy(loop);
+}
+
+int main(int argc, char *argv[])
+{
+	pw_init(&argc, &argv);
+
+	test_abi();
+	test_create();
+	test_properties();
+
+	pw_deinit();
+
+	return 0;
+}