47 lines
No EOL
1.7 KiB
HTML
47 lines
No EOL
1.7 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>Selectionchange event fired on document if TextControl element is in Shadow Tree</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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<div id="root"></div>
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<script>
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const root = document.getElementById("root");
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const shadow = root.attachShadow({ mode: "open" });
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const element = document.createElement("input");
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element.value = "hello";
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shadow.append(element);
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const events_on_document = [];
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document.addEventListener("selectionchange", ev => {
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events_on_document.push(ev);
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});
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const events_on_input = [];
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element.addEventListener("selectionchange", ev => {
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events_on_input.push(ev);
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});
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promise_test(async () => {
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element.focus();
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element.setSelectionRange(5, 5);
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await new Promise(resolve => step_timeout(resolve, 500));
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events_on_document.length = 0;
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events_on_input.length = 0;
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document.execCommand("delete");
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// Waits a short time to allow any events to be processed.
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await new Promise(resolve => step_timeout(resolve, 500));
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const expectedValue = "hell";
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assert_equals(element.value, expectedValue, "element.value should be " + expectedValue);
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//selectionchange event should not fire on input element
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assert_equals(events_on_input.length, 0);
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//selectionchange event should fire on the document
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assert_equals(events_on_document.length, 1);
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assert_equals(events_on_document[0].target, document, "Event target should be the document");
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}, "selectionchange event fired on the document in case TextControl element is in Shadow Tree");
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</script> |