source: mainline/uspace/lib/display/test/display.c@ 2a515dcd

/*
 * Copyright (c) 2019 Jiri Svoboda
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <async.h>
#include <errno.h>
#include <display.h>
#include <disp_srv.h>
#include <fibril_synch.h>
#include <gfx/color.h>
#include <gfx/context.h>
#include <gfx/render.h>
#include <ipcgfx/server.h>
#include <loc.h>
#include <pcut/pcut.h>

PCUT_INIT;

PCUT_TEST_SUITE(display);

static const char *test_display_server = "test-display";
static const char *test_display_svc = "test/display";

static void test_display_conn(ipc_call_t *, void *);

static void test_focus_event(void *);
static void test_kbd_event(void *, kbd_event_t *);
static void test_pos_event(void *, pos_event_t *);
static void test_unfocus_event(void *);

static errno_t test_window_create(void *, display_wnd_params_t *, sysarg_t *);
static errno_t test_window_destroy(void *, sysarg_t);
static errno_t test_get_event(void *, sysarg_t *, display_wnd_ev_t *);

static errno_t test_gc_set_color(void *, gfx_color_t *);

static display_ops_t test_display_srv_ops = {
        .window_create = test_window_create,
        .window_destroy = test_window_destroy,
        .get_event = test_get_event
};

static display_wnd_cb_t test_display_wnd_cb = {
        .focus_event = test_focus_event,
        .kbd_event = test_kbd_event,
        .pos_event = test_pos_event,
        .unfocus_event = test_unfocus_event
};

static gfx_context_ops_t test_gc_ops = {
        .set_color = test_gc_set_color
};

/** Describes to the server how to respond to our request and pass tracking
 * data back to the client.
 */
typedef struct {
        errno_t rc;
        sysarg_t wnd_id;
        display_wnd_ev_t event;
        display_wnd_ev_t revent;
        int event_cnt;
        bool window_create_called;
        gfx_rect_t create_rect;
        bool window_destroy_called;
        bool get_event_called;
        bool set_color_called;
        bool focus_event_called;
        bool kbd_event_called;
        bool pos_event_called;
        bool unfocus_event_called;
        fibril_condvar_t event_cv;
        fibril_mutex_t event_lock;
        display_srv_t *srv;
} test_response_t;

/** display_open(), display_close() work for valid display service */
PCUT_TEST(open_close)
{
        errno_t rc;
        service_id_t sid;
        display_t *disp = NULL;
        test_response_t resp;

        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);

        display_close(disp);
        rc = loc_service_unregister(sid);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
}

/** display_window_create() with server returning error response works */
PCUT_TEST(window_create_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;

        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);

        wnd = NULL;
        resp.rc = ENOMEM;
        resp.window_create_called = false;
        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_TRUE(resp.window_create_called);
        PCUT_ASSERT_EQUALS(params.rect.p0.x, resp.create_rect.p0.x);
        PCUT_ASSERT_EQUALS(params.rect.p0.y, resp.create_rect.p0.y);
        PCUT_ASSERT_EQUALS(params.rect.p1.x, resp.create_rect.p1.x);
        PCUT_ASSERT_EQUALS(params.rect.p1.y, resp.create_rect.p1.y);
        PCUT_ASSERT_ERRNO_VAL(resp.rc, rc);
        PCUT_ASSERT_NULL(wnd);

        display_close(disp);
        rc = loc_service_unregister(sid);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
}

/** display_window_create() and display_window_destroy() with success
 *
 * with server returning success,
 */
PCUT_TEST(window_create_destroy_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;

        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);

        wnd = NULL;
        resp.rc = EOK;
        resp.window_create_called = false;
        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_TRUE(resp.window_create_called);
        PCUT_ASSERT_EQUALS(params.rect.p0.x, resp.create_rect.p0.x);
        PCUT_ASSERT_EQUALS(params.rect.p0.y, resp.create_rect.p0.y);
        PCUT_ASSERT_EQUALS(params.rect.p1.x, resp.create_rect.p1.x);
        PCUT_ASSERT_EQUALS(params.rect.p1.y, resp.create_rect.p1.y);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(wnd);

        resp.window_destroy_called = false;
        rc = display_window_destroy(wnd);
        PCUT_ASSERT_TRUE(resp.window_destroy_called);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        display_close(disp);
        rc = loc_service_unregister(sid);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
}

/** display_window_create() with server returning error response works. */
PCUT_TEST(window_destroy_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;

        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;
        resp.window_create_called = false;
        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_TRUE(resp.window_create_called);
        PCUT_ASSERT_EQUALS(params.rect.p0.x, resp.create_rect.p0.x);
        PCUT_ASSERT_EQUALS(params.rect.p0.y, resp.create_rect.p0.y);
        PCUT_ASSERT_EQUALS(params.rect.p1.x, resp.create_rect.p1.x);
        PCUT_ASSERT_EQUALS(params.rect.p1.y, resp.create_rect.p1.y);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(wnd);

        resp.rc = EIO;
        resp.window_destroy_called = false;
        rc = display_window_destroy(wnd);
        PCUT_ASSERT_TRUE(resp.window_destroy_called);
        PCUT_ASSERT_ERRNO_VAL(resp.rc, rc);

        display_close(disp);
        rc = loc_service_unregister(sid);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
}

/** display_window_get_gc with server returning failure */
PCUT_TEST(window_get_gc_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;
        gfx_context_t *gc;

        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);

        wnd = NULL;
        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);

        gc = NULL;
        resp.rc = ENOMEM;
        rc = display_window_get_gc(wnd, &gc);
        /* async_connect_me_to() does not return specific error */
        PCUT_ASSERT_ERRNO_VAL(EIO, rc);
        PCUT_ASSERT_NULL(gc);

        resp.rc = EOK;
        rc = display_window_destroy(wnd);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        display_close(disp);
        rc = loc_service_unregister(sid);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
}

/** display_window_get_gc with server returning success */
PCUT_TEST(window_get_gc_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;
        gfx_context_t *gc;
        gfx_color_t *color;

        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);

        wnd = NULL;
        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);

        gc = NULL;
        rc = display_window_get_gc(wnd, &gc);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(gc);

        rc = gfx_color_new_rgb_i16(0, 0, 0, &color);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        resp.set_color_called = false;
        rc = gfx_set_color(gc, color);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_TRUE(resp.set_color_called);

        gfx_color_delete(color);

        rc = display_window_destroy(wnd);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        display_close(disp);
        rc = loc_service_unregister(sid);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
}

/** Focus event can be delivered from server to client callback function */
PCUT_TEST(focus_event_deliver)
{
        errno_t rc;
        service_id_t sid;
        display_t *disp = NULL;
        display_wnd_params_t params;
        display_window_t *wnd;
        test_response_t resp;

        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);
        PCUT_ASSERT_NOT_NULL(resp.srv);

        wnd = NULL;
        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.event_cnt = 1;
        resp.event.etype = wev_focus;
        resp.wnd_id = wnd->id;
        resp.focus_event_called = false;
        fibril_mutex_initialize(&resp.event_lock);
        fibril_condvar_initialize(&resp.event_cv);
        display_srv_ev_pending(resp.srv);

        /* Wait for the event handler to be called. */
        fibril_mutex_lock(&resp.event_lock);
        while (!resp.focus_event_called) {
                fibril_condvar_wait(&resp.event_cv, &resp.event_lock);
        }
        fibril_mutex_unlock(&resp.event_lock);

        /* Verify that the event was delivered correctly */
        PCUT_ASSERT_EQUALS(resp.event.etype,
            resp.revent.etype);

        rc = display_window_destroy(wnd);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        display_close(disp);

        rc = loc_service_unregister(sid);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
}

/** Keyboard event can be delivered from server to client callback function */
PCUT_TEST(kbd_event_deliver)
{
        errno_t rc;
        service_id_t sid;
        display_t *disp = NULL;
        display_wnd_params_t params;
        display_window_t *wnd;
        test_response_t resp;

        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);
        PCUT_ASSERT_NOT_NULL(resp.srv);

        wnd = NULL;
        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.event_cnt = 1;
        resp.event.etype = wev_kbd;
        resp.event.ev.kbd.type = KEY_PRESS;
        resp.event.ev.kbd.key = KC_ENTER;
        resp.event.ev.kbd.mods = 0;
        resp.event.ev.kbd.c = L'\0';
        resp.wnd_id = wnd->id;
        resp.kbd_event_called = false;
        fibril_mutex_initialize(&resp.event_lock);
        fibril_condvar_initialize(&resp.event_cv);
        display_srv_ev_pending(resp.srv);

        /* Wait for the event handler to be called. */
        fibril_mutex_lock(&resp.event_lock);
        while (!resp.kbd_event_called) {
                fibril_condvar_wait(&resp.event_cv, &resp.event_lock);
        }
        fibril_mutex_unlock(&resp.event_lock);

        /* Verify that the event was delivered correctly */
        PCUT_ASSERT_EQUALS(resp.event.etype,
            resp.revent.etype);
        PCUT_ASSERT_EQUALS(resp.event.ev.kbd.type,
            resp.revent.ev.kbd.type);
        PCUT_ASSERT_EQUALS(resp.event.ev.kbd.key,
            resp.revent.ev.kbd.key);
        PCUT_ASSERT_EQUALS(resp.event.ev.kbd.mods,
            resp.revent.ev.kbd.mods);
        PCUT_ASSERT_EQUALS(resp.event.ev.kbd.c,
            resp.revent.ev.kbd.c);

        rc = display_window_destroy(wnd);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        display_close(disp);

        rc = loc_service_unregister(sid);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
}

/** Position event can be delivered from server to client callback function */
PCUT_TEST(pos_event_deliver)
{
        errno_t rc;
        service_id_t sid;
        display_t *disp = NULL;
        display_wnd_params_t params;
        display_window_t *wnd;
        test_response_t resp;

        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);
        PCUT_ASSERT_NOT_NULL(resp.srv);

        wnd = NULL;
        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.event_cnt = 1;
        resp.event.etype = wev_pos;
        resp.event.ev.pos.type = POS_PRESS;
        resp.event.ev.pos.btn_num = 1;
        resp.event.ev.pos.hpos = 2;
        resp.event.ev.pos.vpos = 3;
        resp.wnd_id = wnd->id;
        resp.pos_event_called = false;
        fibril_mutex_initialize(&resp.event_lock);
        fibril_condvar_initialize(&resp.event_cv);
        display_srv_ev_pending(resp.srv);

        /* Wait for the event handler to be called. */
        fibril_mutex_lock(&resp.event_lock);
        while (!resp.pos_event_called) {
                fibril_condvar_wait(&resp.event_cv, &resp.event_lock);
        }
        fibril_mutex_unlock(&resp.event_lock);

        /* Verify that the event was delivered correctly */
        PCUT_ASSERT_EQUALS(resp.event.etype,
            resp.revent.etype);
        PCUT_ASSERT_EQUALS(resp.event.ev.pos.type,
            resp.revent.ev.pos.type);
        PCUT_ASSERT_EQUALS(resp.event.ev.pos.btn_num,
            resp.revent.ev.pos.btn_num);
        PCUT_ASSERT_EQUALS(resp.event.ev.pos.hpos,
            resp.revent.ev.pos.hpos);
        PCUT_ASSERT_EQUALS(resp.event.ev.pos.vpos,
            resp.revent.ev.pos.vpos);

        rc = display_window_destroy(wnd);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        display_close(disp);

        rc = loc_service_unregister(sid);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
}

/** Unfocus event can be delivered from server to client callback function */
PCUT_TEST(unfocus_event_deliver)
{
        errno_t rc;
        service_id_t sid;
        display_t *disp = NULL;
        display_wnd_params_t params;
        display_window_t *wnd;
        test_response_t resp;

        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);
        PCUT_ASSERT_NOT_NULL(resp.srv);

        wnd = NULL;
        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.event_cnt = 1;
        resp.event.etype = wev_unfocus;
        resp.wnd_id = wnd->id;
        resp.focus_event_called = false;
        fibril_mutex_initialize(&resp.event_lock);
        fibril_condvar_initialize(&resp.event_cv);
        display_srv_ev_pending(resp.srv);

        /* Wait for the event handler to be called. */
        fibril_mutex_lock(&resp.event_lock);
        while (!resp.unfocus_event_called) {
                fibril_condvar_wait(&resp.event_cv, &resp.event_lock);
        }
        fibril_mutex_unlock(&resp.event_lock);

        /* Verify that the event was delivered correctly */
        PCUT_ASSERT_EQUALS(resp.event.etype,
            resp.revent.etype);

        rc = display_window_destroy(wnd);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        display_close(disp);

        rc = loc_service_unregister(sid);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
}

/** Test display service connection.
 *
 * This is very similar to connection handler in the display server.
 * XXX This should be folded into display_srv, if possible
 */
static void test_display_conn(ipc_call_t *icall, void *arg)
{
        test_response_t *resp = (test_response_t *) arg;
        display_srv_t srv;
        sysarg_t wnd_id;
        sysarg_t svc_id;
        gfx_context_t *gc;
        errno_t rc;

        svc_id = ipc_get_arg2(icall);
        wnd_id = ipc_get_arg3(icall);

        if (svc_id != 0) {
                /* Set up protocol structure */
                display_srv_initialize(&srv);
                srv.ops = &test_display_srv_ops;
                srv.arg = arg;
                resp->srv = &srv;

                /* Handle connection */
                display_conn(icall, &srv);

                resp->srv = NULL;
        } else {
                (void) wnd_id;

                if (resp->rc != EOK) {
                        async_answer_0(icall, resp->rc);
                        return;
                }

                rc = gfx_context_new(&test_gc_ops, arg, &gc);
                if (rc != EOK) {
                        async_answer_0(icall, ENOMEM);
                        return;
                }

                /* Window GC connection */
                gc_conn(icall, gc);
        }
}

static void test_focus_event(void *arg)
{
        test_response_t *resp = (test_response_t *) arg;

        resp->revent.etype = wev_focus;

        fibril_mutex_lock(&resp->event_lock);
        resp->focus_event_called = true;
        fibril_condvar_broadcast(&resp->event_cv);
        fibril_mutex_unlock(&resp->event_lock);
}

static void test_kbd_event(void *arg, kbd_event_t *event)
{
        test_response_t *resp = (test_response_t *) arg;

        resp->revent.etype = wev_kbd;
        resp->revent.ev.kbd = *event;

        fibril_mutex_lock(&resp->event_lock);
        resp->kbd_event_called = true;
        fibril_condvar_broadcast(&resp->event_cv);
        fibril_mutex_unlock(&resp->event_lock);
}

static void test_pos_event(void *arg, pos_event_t *event)
{
        test_response_t *resp = (test_response_t *) arg;

        resp->revent.etype = wev_pos;
        resp->revent.ev.pos = *event;

        fibril_mutex_lock(&resp->event_lock);
        resp->pos_event_called = true;
        fibril_condvar_broadcast(&resp->event_cv);
        fibril_mutex_unlock(&resp->event_lock);
}

static void test_unfocus_event(void *arg)
{
        test_response_t *resp = (test_response_t *) arg;

        resp->revent.etype = wev_unfocus;

        fibril_mutex_lock(&resp->event_lock);
        resp->unfocus_event_called = true;
        fibril_condvar_broadcast(&resp->event_cv);
        fibril_mutex_unlock(&resp->event_lock);
}

static errno_t test_window_create(void *arg, display_wnd_params_t *params,
    sysarg_t *rwnd_id)
{
        test_response_t *resp = (test_response_t *) arg;

        resp->window_create_called = true;
        resp->create_rect = params->rect;
        if (resp->rc == EOK)
                *rwnd_id = resp->wnd_id;

        return resp->rc;
}

static errno_t test_window_destroy(void *arg, sysarg_t wnd_id)
{
        test_response_t *resp = (test_response_t *) arg;

        resp->window_destroy_called = true;
        return resp->rc;
}

static errno_t test_get_event(void *arg, sysarg_t *wnd_id, display_wnd_ev_t *event)
{
        test_response_t *resp = (test_response_t *) arg;

        resp->get_event_called = true;
        if (resp->event_cnt > 0) {
                --resp->event_cnt;
                *wnd_id = resp->wnd_id;
                *event = resp->event;
                return EOK;
        }

        return ENOENT;
}

static errno_t test_gc_set_color(void *arg, gfx_color_t *color)
{
        test_response_t *resp = (test_response_t *) arg;

        resp->set_color_called = true;
        return resp->rc;
}

PCUT_EXPORT(display);