Index: uspace/lib/display/test/display.c
===================================================================
--- uspace/lib/display/test/display.c	(revision a2e104e0deacc5a9fdacf4d8e3824726c77c47a5)
+++ uspace/lib/display/test/display.c	(revision e0228190e56b2405620ccda32362ae157ee28834)
@@ -57,4 +57,6 @@
 static errno_t test_window_destroy(void *, sysarg_t);
 static errno_t test_window_move_req(void *, sysarg_t, gfx_coord2_t *);
+static errno_t test_window_resize_req(void *, sysarg_t, display_wnd_rsztype_t,
+    gfx_coord2_t *);
 static errno_t test_window_resize(void *, sysarg_t, gfx_coord2_t *,
     gfx_rect_t *);
@@ -67,4 +69,5 @@
 	.window_destroy = test_window_destroy,
 	.window_move_req = test_window_move_req,
+	.window_resize_req = test_window_resize_req,
 	.window_resize = test_window_resize,
 	.get_event = test_get_event
@@ -100,4 +103,9 @@
 	sysarg_t move_req_wnd_id;
 	gfx_coord2_t move_req_pos;
+
+	bool window_resize_req_called;
+	sysarg_t resize_req_wnd_id;
+	display_wnd_rsztype_t resize_req_rsztype;
+	gfx_coord2_t resize_req_pos;
 
 	bool window_resize_called;
@@ -410,4 +418,120 @@
 }
 
+/** display_window_resize_req() with server returning error response works. */
+PCUT_TEST(window_resize_req_failure)
+{
+	errno_t rc;
+	service_id_t sid;
+	display_t *disp = NULL;
+	display_wnd_params_t params;
+	display_window_t *wnd;
+	test_response_t resp;
+	display_wnd_rsztype_t rsztype;
+	gfx_coord2_t pos;
+
+	async_set_fallback_port_handler(test_display_conn, &resp);
+
+	// FIXME This causes this test to be non-reentrant!
+	rc = loc_server_register(test_display_server);
+	PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+	rc = loc_service_register(test_display_svc, &sid);
+	PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+	rc = display_open(test_display_svc, &disp);
+	PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+	PCUT_ASSERT_NOT_NULL(disp);
+
+	resp.rc = EOK;
+	display_wnd_params_init(&params);
+	params.rect.p0.x = 0;
+	params.rect.p0.y = 0;
+	params.rect.p0.x = 100;
+	params.rect.p0.y = 100;
+
+	rc = display_window_create(disp, &params, &test_display_wnd_cb,
+	    (void *) &resp, &wnd);
+	PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+	PCUT_ASSERT_NOT_NULL(wnd);
+
+	resp.rc = EIO;
+	resp.window_resize_req_called = false;
+
+	rsztype = display_wr_top_right;
+	pos.x = 42;
+	pos.y = 43;
+
+	rc = display_window_resize_req(wnd, rsztype, &pos);
+	PCUT_ASSERT_TRUE(resp.window_resize_req_called);
+	PCUT_ASSERT_ERRNO_VAL(resp.rc, rc);
+	PCUT_ASSERT_INT_EQUALS(rsztype, resp.resize_req_rsztype);
+	PCUT_ASSERT_INT_EQUALS(wnd->id, resp.resize_req_wnd_id);
+	PCUT_ASSERT_INT_EQUALS(pos.x, resp.resize_req_pos.x);
+	PCUT_ASSERT_INT_EQUALS(pos.y, resp.resize_req_pos.y);
+
+	display_window_destroy(wnd);
+	display_close(disp);
+	rc = loc_service_unregister(sid);
+	PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+}
+
+/** display_window_resize_req() with server returning success response works. */
+PCUT_TEST(window_resize_req_success)
+{
+	errno_t rc;
+	service_id_t sid;
+	display_t *disp = NULL;
+	display_wnd_params_t params;
+	display_window_t *wnd;
+	test_response_t resp;
+	display_wnd_rsztype_t rsztype;
+	gfx_coord2_t pos;
+
+	async_set_fallback_port_handler(test_display_conn, &resp);
+
+	// FIXME This causes this test to be non-reentrant!
+	rc = loc_server_register(test_display_server);
+	PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+	rc = loc_service_register(test_display_svc, &sid);
+	PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+	rc = display_open(test_display_svc, &disp);
+	PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+	PCUT_ASSERT_NOT_NULL(disp);
+
+	resp.rc = EOK;
+	display_wnd_params_init(&params);
+	params.rect.p0.x = 0;
+	params.rect.p0.y = 0;
+	params.rect.p0.x = 100;
+	params.rect.p0.y = 100;
+
+	rc = display_window_create(disp, &params, &test_display_wnd_cb,
+	    (void *) &resp, &wnd);
+	PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+	PCUT_ASSERT_NOT_NULL(wnd);
+
+	resp.rc = EOK;
+	resp.window_resize_req_called = false;
+
+	rsztype = display_wr_top_right;
+	pos.x = 42;
+	pos.y = 43;
+
+	rc = display_window_resize_req(wnd, rsztype, &pos);
+	PCUT_ASSERT_TRUE(resp.window_resize_req_called);
+	PCUT_ASSERT_ERRNO_VAL(resp.rc, rc);
+	PCUT_ASSERT_INT_EQUALS(rsztype, resp.resize_req_rsztype);
+	PCUT_ASSERT_INT_EQUALS(wnd->id, resp.resize_req_wnd_id);
+	PCUT_ASSERT_INT_EQUALS(pos.x, resp.resize_req_pos.x);
+	PCUT_ASSERT_INT_EQUALS(pos.y, resp.resize_req_pos.y);
+
+	display_window_destroy(wnd);
+	display_close(disp);
+	rc = loc_service_unregister(sid);
+	PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+}
+
 /** display_window_resize() with server returning error response works. */
 PCUT_TEST(window_resize_failure)
@@ -1140,4 +1264,16 @@
 }
 
+static errno_t test_window_resize_req(void *arg, sysarg_t wnd_id,
+    display_wnd_rsztype_t rsztype, gfx_coord2_t *pos)
+{
+	test_response_t *resp = (test_response_t *) arg;
+
+	resp->window_resize_req_called = true;
+	resp->resize_req_rsztype = rsztype;
+	resp->resize_req_wnd_id = wnd_id;
+	resp->resize_req_pos = *pos;
+	return resp->rc;
+}
+
 static errno_t test_window_resize(void *arg, sysarg_t wnd_id,
     gfx_coord2_t *offs, gfx_rect_t *nrect)