75 lines
4 KiB
HTML
75 lines
4 KiB
HTML
<!DOCTYPE html>
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<title>Custom events with the names "end" and "endEvent" and their effects on various types of event listeners</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<svg height="0">
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<rect width="100" height="100" fill="blue">
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<animate attributeName="x" begin="0s" from="0" to="100"
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id="targetWithAttributeHandlers"
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onend="gOnEndHandlerCallCount++"
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onendEvent="gNonexistentOnEndEventHandlerCallCount++"/>
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<animate attributeName="y" begin="0s" from="0" to="100"
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id="targetWithIDLListeners"/>
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<animate attributeName="width" begin="0s" from="100" to="120"
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id="targetWithRegularListeners"/>
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</rect>
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</svg>
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<script>
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// This test checks how various types of event handlers / listeners react to custom
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// events with the names "end" and "endEvent".
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// The SVG spec does not define an event called "end" - the animation event is called "endEvent".
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// The SVG spec does not define an IDL property called "onendEvent", only one called "onend".
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// The SVG spec does not define an attribute called "onendEvent", only one called "onend".
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// Incremented in the "onend" attribute event handler.
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gOnEndHandlerCallCount = 0;
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// "onendEvent" is an invalid attribute name so this should never be incremented.
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gNonexistentOnEndEventHandlerCallCount = 0;
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// Incremented in the "onend" IDL property event listener.
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gOnEndListenerCallCount = 0;
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// "onendEvent" is an unrecognized property name so this should never be incremented.
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gNonexistentOnEndEventListenerCallCount = 0;
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// Incremented in the "endEvent" event listener.
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gEndEventListenerCallCount = 0;
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// Incremented in the "end" event listener. This should only happen for manually-created events with the name "end".
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gEndListenerCallCount = 0;
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let targetWithAttributeHandlers = document.getElementById("targetWithAttributeHandlers");
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let targetWithIDLListeners = document.getElementById("targetWithIDLListeners");
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targetWithIDLListeners.onend = () => { gOnEndListenerCallCount++; };
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targetWithIDLListeners.onendEvent = () => { gNonexistentOnEndEventListenerCallCount++; };
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let targetWithRegularListeners = document.getElementById("targetWithRegularListeners");
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targetWithRegularListeners.addEventListener("endEvent", () => { gEndEventListenerCallCount++; });
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targetWithRegularListeners.addEventListener("end", () => { gEndListenerCallCount++; });
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test(t => {
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targetWithAttributeHandlers.dispatchEvent(new Event("end"));
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assert_equals(gOnEndHandlerCallCount, 0);
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assert_equals(gNonexistentOnEndEventHandlerCallCount, 0);
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targetWithIDLListeners.dispatchEvent(new Event("end"));
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assert_equals(gOnEndListenerCallCount, 0);
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assert_equals(gNonexistentOnEndEventListenerCallCount, 0);
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targetWithRegularListeners.dispatchEvent(new Event("end"));
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assert_equals(gEndEventListenerCallCount, 0);
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assert_equals(gEndListenerCallCount, 1);
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}, "custom events with the name 'end' should only call the event listener for the event 'end' and no attribute handlers or IDL listeners");
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test(t => {
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gOnEndHandlerCallCount = 0;
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gNonexistentOnEndEventHandlerCallCount = 0;
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gOnEndListenerCallCount = 0;
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gNonexistentOnEndEventListenerCallCount = 0;
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gEndEventListenerCallCount = 0;
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gEndListenerCallCount = 0;
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targetWithAttributeHandlers.dispatchEvent(new Event("endEvent"));
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assert_equals(gOnEndHandlerCallCount, 1);
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assert_equals(gNonexistentOnEndEventHandlerCallCount, 0);
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targetWithIDLListeners.dispatchEvent(new Event("endEvent"));
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assert_equals(gOnEndListenerCallCount, 1);
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assert_equals(gNonexistentOnEndEventListenerCallCount, 0);
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targetWithRegularListeners.dispatchEvent(new Event("endEvent"));
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assert_equals(gEndEventListenerCallCount, 1);
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assert_equals(gEndListenerCallCount, 0);
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}, "custom events with the name 'endEvent' should call 'onend' attribute handlers and IDL property listeners, and 'endEvent' listeners");
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</script>
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