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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /editor/libeditor/tests/test_bug1315065.html
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1315065
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 1315065</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script src="/tests/SimpleTest/EventUtils.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1315065">Mozilla Bug 1315065</a>
+<div contenteditable><p>abc<br></p></div>
+<script type="application/javascript">
+/** Test for Bug 1315065 **/
+SimpleTest.waitForExplicitFinish();
+SimpleTest.waitForFocus(() => {
+ var editor = document.getElementsByTagName("div")[0];
+ function initForBackspace(aSelectionCollapsedTo /* = 0 ~ 3 */) {
+ editor.innerHTML = "<p id='p'>abc<br></p>";
+ var p = document.getElementById("p");
+ // FYI: We cannot inserting empty text nodes as expected with
+ // Node.appendChild() nor Node.insertBefore(). Therefore, let's use
+ // Range.insertNode() like actual web apps.
+ var selection = window.getSelection();
+ selection.collapse(p, 1);
+ var range = selection.getRangeAt(0);
+ var emptyTextNode3 = document.createTextNode("");
+ range.insertNode(emptyTextNode3);
+ var emptyTextNode2 = document.createTextNode("");
+ range.insertNode(emptyTextNode2);
+ var emptyTextNode1 = document.createTextNode("");
+ range.insertNode(emptyTextNode1);
+ is(p.childNodes.length, 5, "Failed to initialize the editor");
+ is(p.childNodes.item(1), emptyTextNode1, "1st text node should be emptyTextNode1");
+ is(p.childNodes.item(2), emptyTextNode2, "2nd text node should be emptyTextNode2");
+ is(p.childNodes.item(3), emptyTextNode3, "3rd text node should be emptyTextNode3");
+ switch (aSelectionCollapsedTo) {
+ case 0:
+ selection.collapse(p.firstChild, 3); // next to 'c'
+ break;
+ case 1:
+ selection.collapse(emptyTextNode1, 0);
+ break;
+ case 2:
+ selection.collapse(emptyTextNode2, 0);
+ break;
+ case 3:
+ selection.collapse(emptyTextNode3, 0);
+ break;
+ default:
+ ok(false, "aSelectionCollapsedTo is illegal value");
+ }
+ }
+
+ for (let i = 0; i < 4; i++) {
+ const kDescription = i == 0 ? "Backspace from immediately after the last character" :
+ "Backspace from " + i + "th empty text node";
+ editor.focus();
+ initForBackspace(i);
+ synthesizeKey("KEY_Backspace");
+ let p = document.getElementById("p");
+ ok(p, kDescription + ": <p> element shouldn't be removed by Backspace key press");
+ is(p.tagName.toLowerCase(), "p", kDescription + ": <p> element shouldn't be removed by Backspace key press");
+ // When Backspace key is pressed even in empty text nodes, Gecko should not remove empty text nodes for now
+ // because we should keep our traditional behavior (same as Edge) for backward compatibility as far as possible.
+ // In this case, Chromium removes all empty text nodes, but Edge doesn't remove any empty text nodes.
+ is(p.childNodes.length, 5, kDescription + ": <p> should have 5 children after pressing Backspace key");
+ is(p.childNodes.item(0).textContent, "ab", kDescription + ": 'c' should be removed by pressing Backspace key");
+ is(p.childNodes.item(1).textContent, "", kDescription + ": 1st empty text node should not be removed by pressing Backspace key");
+ is(p.childNodes.item(2).textContent, "", kDescription + ": 2nd empty text node should not be removed by pressing Backspace key");
+ is(p.childNodes.item(3).textContent, "", kDescription + ": 3rd empty text node should not be removed by pressing Backspace key");
+ editor.blur();
+ }
+
+ function initForDelete(aSelectionCollapsedTo /* = 0 ~ 3 */) {
+ editor.innerHTML = "<p id='p'>abc<br></p>";
+ var p = document.getElementById("p");
+ // FYI: We cannot inserting empty text nodes as expected with
+ // Node.appendChild() nor Node.insertBefore(). Therefore, let's use
+ // Range.insertNode() like actual web apps.
+ var selection = window.getSelection();
+ selection.collapse(p, 0);
+ var range = selection.getRangeAt(0);
+ var emptyTextNode1 = document.createTextNode("");
+ range.insertNode(emptyTextNode1);
+ var emptyTextNode2 = document.createTextNode("");
+ range.insertNode(emptyTextNode2);
+ var emptyTextNode3 = document.createTextNode("");
+ range.insertNode(emptyTextNode3);
+ is(p.childNodes.length, 5, "Failed to initialize the editor");
+ is(p.childNodes.item(0), emptyTextNode3, "1st text node should be emptyTextNode3");
+ is(p.childNodes.item(1), emptyTextNode2, "2nd text node should be emptyTextNode2");
+ is(p.childNodes.item(2), emptyTextNode1, "3rd text node should be emptyTextNode1");
+ switch (aSelectionCollapsedTo) {
+ case 0:
+ selection.collapse(p.childNodes.item(3), 0); // next to 'a'
+ break;
+ case 1:
+ selection.collapse(emptyTextNode1, 0);
+ break;
+ case 2:
+ selection.collapse(emptyTextNode2, 0);
+ break;
+ case 3:
+ selection.collapse(emptyTextNode3, 0);
+ break;
+ default:
+ ok(false, "aSelectionCollapsedTo is illegal value");
+ }
+ }
+
+ for (let i = 0; i < 4; i++) {
+ const kDescription = i == 0 ? "Delete from immediately before the first character" :
+ "Delete from " + i + "th empty text node";
+ editor.focus();
+ initForDelete(i);
+ synthesizeKey("KEY_Delete");
+ var p = document.getElementById("p");
+ ok(p, kDescription + ": <p> element shouldn't be removed by Delete key press");
+ is(p.tagName.toLowerCase(), "p", kDescription + ": <p> element shouldn't be removed by Delete key press");
+ if (i == 0) {
+ // If Delete key is pressed in non-empty text node, only the text node should be modified.
+ // This is same behavior as Chromium, but different from Edge. Edge removes all empty text nodes in this case.
+ is(p.childNodes.length, 5, kDescription + ": <p> should have only 2 children after pressing Delete key (empty text nodes should be removed");
+ is(p.childNodes.item(0).textContent, "", kDescription + ": 1st empty text node should not be removed by pressing Delete key");
+ is(p.childNodes.item(1).textContent, "", kDescription + ": 2nd empty text node should not be removed by pressing Delete key");
+ is(p.childNodes.item(2).textContent, "", kDescription + ": 3rd empty text node should not be removed by pressing Delete key");
+ is(p.childNodes.item(3).textContent, "bc", kDescription + ": 'a' should be removed by pressing Delete key");
+ } else {
+ // 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.
+ // This is same behavior as Chromium, but different from Edge. Edge removes all empty text nodes in this case.
+ var expectedEmptyTextNodes = 3 - i;
+ is(p.childNodes.length, expectedEmptyTextNodes + 2, kDescription + ": <p> should have only " + i + " children after pressing Delete key (" + i + " empty text nodes should be removed");
+ is(p.childNodes.item(expectedEmptyTextNodes).textContent, "bc", kDescription + ": empty text nodes and 'a' should be removed by pressing Delete key");
+ }
+ editor.blur();
+ }
+ SimpleTest.finish();
+});
+</script>
+</body>
+</html>
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