add basic fullscreen window test

src/tests/fullscreen.c

@@ -0,0 +1,35 @@
+#include <Ecore.h>
+#include <Ecore_Input.h>
+#include <Ecore_Evas.h>
+
+static Eina_Bool
+fs(void *ee)
+{
+   if (!ecore_evas_fullscreen_get(ee))
+     ecore_evas_fullscreen_set(ee, 1);
+   return EINA_TRUE;
+}
+
+static Eina_Bool
+key(void *ee, int t EINA_UNUSED, Ecore_Event_Key *ev)
+{
+   if (!strcmp(ev->key, "Escape"))
+     ecore_evas_fullscreen_set(ee, 0);
+   else
+     fprintf(stderr, "%s\n", ev->key);
+   return ECORE_CALLBACK_RENEW;
+}
+
+int
+main(void)
+{
+   Ecore_Evas *ee;
+
+   ecore_evas_init();
+   ee = ecore_evas_new(NULL, 0, 0, 200, 200, NULL);
+   ecore_timer_add(2, fs, ee);
+   ecore_evas_show(ee);
+   ecore_event_handler_add(ECORE_EVENT_KEY_DOWN, (Ecore_Event_Handler_Cb)key, ee);
+   ecore_main_loop_begin();
+   return 0;
+}