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firefox/testing/web-platform/tests/editing/other/paste-clipboard-change.tentative.html
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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HTML

<!doctype html>
<meta charset=utf-8>
<title>This Test is for clipboard content changes during the paste event handler</title>
<meta name="variant" content="?id=text">
<meta name="variant" content="?id=contenteditable">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="../include/editor-test-utils.js"></script>
<div contenteditable="true" id="contentCopy">Original text</div>
<div id="pasteContainer">
<input type="text" id="text">
<div id="contenteditable" contenteditable="true"></div>
</div>
<script>
"use strict";
const testingId = new URLSearchParams(document.location.search).get("id");
const testElement = document.getElementById(testingId);
const utils = new EditorTestUtils(testElement);
promise_test(async () => {
// Copy the content to the clipboard.
const range = document.createRange();
const contentToCopy = document.getElementById("contentCopy");
range.selectNodeContents(contentToCopy);
const selection = window.getSelection();
selection.removeAllRanges();
selection.addRange(range);
await utils.sendCopyShortcutKey();
// Paste the content to the test element.
testElement.addEventListener("copy", (e) => {
e.preventDefault();
e.clipboardData.setData("text/plain", "New text");
}, { once: true });
testElement.addEventListener("paste", (e) => {
// Overwrite the clipboard content.
document.execCommand("copy");
}, { once: true });
await test_driver.click(testElement);
await utils.sendPasteShortcutKey();
// Check content.
assert_equals(testElement.isContentEditable ? testElement.textContent : testElement.value, "New text");
}, "clipboard change during paste event handler");
</script>