34 lines
1.2 KiB
HTML
34 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1619852
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-->
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<html>
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<head>
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<title>Test for Bug 1619852</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script src="/tests/SimpleTest/EventUtils.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1619852">Bug 1619852</a>
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<p id="display"></p>
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<div id="content" style="display: none"></div>
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<pre id="test"></pre>
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<div contenteditable>abcd</div>
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<script>
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SimpleTest.waitForExplicitFinish();
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SimpleTest.waitForFocus(() => {
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let editor = document.querySelector("div[contenteditable]");
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// Do nothing, but `HTMLEditor` may use different path to detect unexpected DOM tree or selection change.
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editor.addEventListener("DOMNodeRemoved", () => {});
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getSelection().collapse(editor.firstChild, 4);
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synthesizeKey("KEY_Backspace");
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is(editor.textContent, "abc", "The last character should've been removed by the Backspace");
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getSelection().collapse(editor.firstChild, 1);
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synthesizeKey("KEY_Backspace");
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is(editor.textContent, "bc", "The first character should've been removed by the Backspace");
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SimpleTest.finish();
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});
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</script>
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</body>
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</html>
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