<!DOCTYPE html>
<title>Event handling of endEvent with various types of event listeners</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<svg height="0">
<rect width="100" height="100" fill="blue">
<animate attributeName="x" begin="0s" from="0" to="100" dur="5ms" end="5ms"
id="targetWithAttributeHandlers"
onend="gOnEndHandlerCallCount++"
onendEvent="gNonexistentOnEndEventHandlerCallCount++"/>
<animate attributeName="y" begin="0s" from="0" to="100" dur="5ms" end="5ms"
id="targetWithIDLListeners"/>
<animate attributeName="width" begin="0s" from="100" to="120" dur="5ms" end="5ms"
id="targetWithRegularListeners"/>
<set attributeName="visibility" begin="0s" end="10ms" from="visible" to="visible"
id="timekeeper"/>
</rect>
</svg>
<script>
// This test checks how various types of event handlers / listeners react to an
// animation end event.
// The SVG spec does not define an event called "end" - the animation event is called "endEvent".
// The SVG spec does not define an IDL property called "onendEvent", only one called "onend".
// The SVG spec does not define an attribute called "onendEvent", only one called "onend".
// Incremented in the "onend" attribute event handler.
gOnEndHandlerCallCount = 0;
// "onendEvent" is an invalid attribute name so this should never be incremented.
gNonexistentOnEndEventHandlerCallCount = 0;
// Incremented in the "onend" IDL property event listener.
gOnEndListenerCallCount = 0;
// "onendEvent" is an unrecognized property name so this should never be incremented.
gNonexistentOnEndEventListenerCallCount = 0;
// Incremented in the "endEvent" event listener.
gEndEventListenerCallCount = 0;
// Incremented in the "end" event listener. This should only happen for custom
// events with the name "end" (which are not used in this test).
gEndListenerCallCount = 0;
let targetWithAttributeHandlers = document.getElementById("targetWithAttributeHandlers");
let targetWithIDLListeners = document.getElementById("targetWithIDLListeners");
targetWithIDLListeners.onend = () => { gOnEndListenerCallCount++; };
targetWithIDLListeners.onendEvent = () => { gNonexistentOnEndEventListenerCallCount++; };
let targetWithRegularListeners = document.getElementById("targetWithRegularListeners");
targetWithRegularListeners.addEventListener("endEvent", () => { gEndEventListenerCallCount++; });
targetWithRegularListeners.addEventListener("end", () => { gEndListenerCallCount++; });
async_test(t => {
let timekeeper = document.getElementById("timekeeper");
timekeeper.addEventListener("endEvent", t.step_func(() => {
requestAnimationFrame(t.step_func_done(() => {
assert_equals(gOnEndHandlerCallCount, 1);
assert_equals(gNonexistentOnEndEventHandlerCallCount, 0);
assert_equals(gOnEndListenerCallCount, 1);
assert_equals(gNonexistentOnEndEventListenerCallCount, 0);
assert_equals(gEndEventListenerCallCount, 1);
assert_equals(gEndListenerCallCount, 0);
}));
}));
}, "When the animation ends, only the 'onend' attribute + IDL listeners and the 'endEvent' listener should be called");
</script>