зеркало из https://github.com/mozilla/gecko-dev.git
146 строки
7.3 KiB
HTML
146 строки
7.3 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1315065
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 1315065</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" 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=1315065">Mozilla Bug 1315065</a>
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<div contenteditable><p>abc<br></p></div>
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<script type="application/javascript">
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/** Test for Bug 1315065 **/
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SimpleTest.waitForExplicitFinish();
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SimpleTest.waitForFocus(()=>{
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var editor = document.getElementsByTagName("div")[0];
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function initForBackspace(aSelectionCollapsedTo /* = 0 ~ 3 */) {
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editor.innerHTML = "<p id='p'>abc<br></p>";
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var p = document.getElementById("p");
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// FYI: We cannot inserting empty text nodes as expected with
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// Node.appendChild() nor Node.insertBefore(). Therefore, let's use
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// Range.insertNode() like actual web apps.
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var selection = window.getSelection();
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selection.collapse(p, 1);
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var range = selection.getRangeAt(0);
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var emptyTextNode3 = document.createTextNode("");
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range.insertNode(emptyTextNode3);
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var emptyTextNode2 = document.createTextNode("");
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range.insertNode(emptyTextNode2);
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var emptyTextNode1 = document.createTextNode("");
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range.insertNode(emptyTextNode1);
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is(p.childNodes.length, 5, "Failed to initialize the editor");
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is(p.childNodes.item(1), emptyTextNode1, "1st text node should be emptyTextNode1");
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is(p.childNodes.item(2), emptyTextNode2, "2nd text node should be emptyTextNode2");
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is(p.childNodes.item(3), emptyTextNode3, "3rd text node should be emptyTextNode3");
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switch (aSelectionCollapsedTo) {
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case 0:
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selection.collapse(p.firstChild, 3); // next to 'c'
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break;
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case 1:
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selection.collapse(emptyTextNode1, 0);
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break;
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case 2:
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selection.collapse(emptyTextNode2, 0);
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break;
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case 3:
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selection.collapse(emptyTextNode3, 0);
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break;
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default:
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ok(false, "aSelectionCollapsedTo is illegal value");
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}
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}
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for (var i = 0; i < 4; i++) {
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const kDescription = i == 0 ? "Backspace from immediately after the last character" :
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"Backspace from " + i + "th empty text node";
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editor.focus();
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initForBackspace(i);
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synthesizeKey("KEY_Backspace", { code: "Backspace" });
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var p = document.getElementById("p");
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ok(p, kDescription + ": <p> element shouldn't be removed by Backspace key press");
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is(p.tagName.toLowerCase(), "p", kDescription + ": <p> element shouldn't be removed by Backspace key press");
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// When Backspace key is pressed even in empty text nodes, Gecko should not remove empty text nodes for now
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// because we should keep our traditional behavior (same as Edge) for backward compatibility as far as possible.
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// In this case, Chromium removes all empty text nodes, but Edge doesn't remove any empty text nodes.
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is(p.childNodes.length, 5, kDescription + ": <p> should have 5 children after pressing Backspace key");
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is(p.childNodes.item(0).textContent, "ab", kDescription + ": 'c' should be removed by pressing Backspace key");
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is(p.childNodes.item(1).textContent, "", kDescription + ": 1st empty text node should not be removed by pressing Backspace key");
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is(p.childNodes.item(2).textContent, "", kDescription + ": 2nd empty text node should not be removed by pressing Backspace key");
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is(p.childNodes.item(3).textContent, "", kDescription + ": 3rd empty text node should not be removed by pressing Backspace key");
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editor.blur();
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}
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function initForDelete(aSelectionCollapsedTo /* = 0 ~ 3 */) {
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editor.innerHTML = "<p id='p'>abc<br></p>";
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var p = document.getElementById("p");
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// FYI: We cannot inserting empty text nodes as expected with
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// Node.appendChild() nor Node.insertBefore(). Therefore, let's use
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// Range.insertNode() like actual web apps.
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var selection = window.getSelection();
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selection.collapse(p, 0);
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var range = selection.getRangeAt(0);
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var emptyTextNode1 = document.createTextNode("");
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range.insertNode(emptyTextNode1);
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var emptyTextNode2 = document.createTextNode("");
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range.insertNode(emptyTextNode2);
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var emptyTextNode3 = document.createTextNode("");
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range.insertNode(emptyTextNode3);
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is(p.childNodes.length, 5, "Failed to initialize the editor");
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is(p.childNodes.item(0), emptyTextNode3, "1st text node should be emptyTextNode3");
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is(p.childNodes.item(1), emptyTextNode2, "2nd text node should be emptyTextNode2");
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is(p.childNodes.item(2), emptyTextNode1, "3rd text node should be emptyTextNode1");
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switch (aSelectionCollapsedTo) {
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case 0:
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selection.collapse(p.childNodes.item(3), 0); // next to 'a'
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break;
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case 1:
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selection.collapse(emptyTextNode1, 0);
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break;
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case 2:
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selection.collapse(emptyTextNode2, 0);
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break;
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case 3:
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selection.collapse(emptyTextNode3, 0);
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break;
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default:
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ok(false, "aSelectionCollapsedTo is illegal value");
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}
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}
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for (var i = 0; i < 4; i++) {
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const kDescription = i == 0 ? "Delete from immediately before the first character" :
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"Delete from " + i + "th empty text node";
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editor.focus();
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initForDelete(i);
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synthesizeKey("KEY_Delete", { code: "Delete" });
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var p = document.getElementById("p");
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ok(p, kDescription + ": <p> element shouldn't be removed by Delete key press");
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is(p.tagName.toLowerCase(), "p", kDescription + ": <p> element shouldn't be removed by Delete key press");
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if (i == 0) {
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// If Delete key is pressed in non-empty text node, only the text node should be modified.
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// This is same behavior as Chromium, but different from Edge. Edge removes all empty text nodes in this case.
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is(p.childNodes.length, 5, kDescription + ": <p> should have only 2 children after pressing Delete key (empty text nodes should be removed");
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is(p.childNodes.item(0).textContent, "", kDescription + ": 1st empty text node should not be removed by pressing Delete key");
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is(p.childNodes.item(1).textContent, "", kDescription + ": 2nd empty text node should not be removed by pressing Delete key");
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is(p.childNodes.item(2).textContent, "", kDescription + ": 3rd empty text node should not be removed by pressing Delete key");
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is(p.childNodes.item(3).textContent, "bc", kDescription + ": 'a' should be removed by pressing Delete key");
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} else {
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// If Delete key is pressed in an empty text node, it and following empty text nodes should be removed and the non-empty text node should be modified.
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// This is same behavior as Chromium, but different from Edge. Edge removes all empty text nodes in this case.
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var expectedEmptyTextNodes = 3 - i;
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is(p.childNodes.length, expectedEmptyTextNodes + 2, kDescription + ": <p> should have only " + i + " children after pressing Delete key (" + i + " empty text nodes should be removed");
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is(p.childNodes.item(expectedEmptyTextNodes).textContent, "bc", kDescription + ": empty text nodes and 'a' should be removed by pressing Delete key");
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}
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editor.blur();
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}
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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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