Add tests of nesting semantics for ResettableEventBus
Review at http://gwt-code-reviews.appspot.com/1395802
Review by: jlabanca@google.com
git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@9913 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/test/com/google/gwt/event/shared/ResettableEventBusTest.java b/user/test/com/google/gwt/event/shared/ResettableEventBusTest.java
index e4fc834..de3fd36 100644
--- a/user/test/com/google/gwt/event/shared/ResettableEventBusTest.java
+++ b/user/test/com/google/gwt/event/shared/ResettableEventBusTest.java
@@ -58,4 +58,62 @@
});
assertNotFired(mouse1, mouse2, mouse3);
}
+
+ public void testNestedResetInnerFirst() {
+ CountingEventBus wrapped = new CountingEventBus();
+ ResettableEventBus wideScope = new ResettableEventBus(wrapped);
+ ResettableEventBus narrowScope = new ResettableEventBus(wideScope);
+
+ Type<MouseDownHandler> type = MouseDownEvent.getType();
+
+ wideScope.addHandler(type, mouse1);
+ narrowScope.addHandler(type, mouse2);
+
+ wrapped.fireEvent(new MouseDownEvent() {
+ });
+ assertFired(mouse1, mouse2);
+
+ reset();
+
+ /*
+ * When I remove handlers from the narrow resettable, it should have no effect
+ * on handlers registered with the wider instance.
+ */
+
+ narrowScope.removeHandlers();
+
+ wrapped.fireEvent(new MouseDownEvent() {
+ });
+ assertFired(mouse1);
+ assertNotFired(mouse2);
+ }
+
+ public void testNestedResetOuterFirst() {
+ CountingEventBus wrapped = new CountingEventBus();
+ ResettableEventBus wideScope = new ResettableEventBus(wrapped);
+ ResettableEventBus narrowScope = new ResettableEventBus(wideScope);
+
+ Type<MouseDownHandler> type = MouseDownEvent.getType();
+
+ wideScope.addHandler(type, mouse1);
+ narrowScope.addHandler(type, mouse2);
+
+ wrapped.fireEvent(new MouseDownEvent() {
+ });
+ assertFired(mouse1, mouse2);
+
+ reset();
+
+ /*
+ * When I remove handlers from the first resettable, handlers registered
+ * by the narrower scoped one that wraps it should also be severed.
+ */
+
+ wideScope.removeHandlers();
+
+ wrapped.fireEvent(new MouseDownEvent() {
+ });
+ assertNotFired(mouse1);
+ assertNotFired(mouse2);
+ }
}
