pjs/layout/generic/test/test_backspace_delete.html

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<!DOCTYPE HTML>
<html>
<head>
<title>Test BackSpace/Delete Keys</title>
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: block">
<div contentEditable id="editor"></div>
</div>
<p id="catch">Catch-all
<pre id="test">
<script class="testbody" type="text/javascript;version=1.7">
/** Test for Bug 157546, 417745 **/
SimpleTest.waitForExplicitFinish();
// This seems to be necessary because the selection is not set up properly otherwise
setTimeout(test, 0);
var eatSpace;
function getPrefs() {
const prefSvcContractID = "@mozilla.org/preferences-service;1";
const prefSvcIID = Components.interfaces.nsIPrefService;
return Components.classes[prefSvcContractID].getService(prefSvcIID)
.getBranch("layout.word_select.");
}
function setEatSpace(newValue) {
getPrefs().setBoolPref("eat_space_to_next_word", newValue);
eatSpace = newValue;
}
function restoreEatSpace() {
try {
getPrefs().clearUserPref("eat_space_to_next_word");
} catch(ex) {}
}
function test() {
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
var wordSelModifiers =
(navigator.platform.indexOf("Mac") >= 0) ?
{shiftKey:true, altKey:true} : {shiftKey:true, ctrlKey:true};
var sel = window.getSelection();
var editor = document.getElementById("editor");
function testRight(node, offset) {
synthesizeKey("VK_RIGHT", {});
is(sel.anchorNode, node, "Right movement broken in \"" + editor.innerHTML + "\"");
is(sel.anchorOffset, offset, "Right movement broken in \"" + editor.innerHTML + "\"");
}
function selErrString(dir) {
return dir + " selection broken with eatSpace=" + eatSpace + " in \"" + editor.innerHTML + "\"";
}
function testWordSelRight(startNode, startOffset, endNode, endOffset) {
synthesizeKey("VK_RIGHT", wordSelModifiers);
var selRange = sel.getRangeAt(0);
is(selRange.startContainer, startNode, selErrString("Word right"));
is(selRange.startOffset, startOffset, selErrString("Word right"));
is(selRange.endContainer, endNode, selErrString("Word right"));
is(selRange.endOffset, endOffset, selErrString("Word right"));
}
function testDelete(node, offset, text) {
synthesizeKey("VK_DELETE", {});
is(sel.anchorNode, node, "Delete broken in \"" + editor.innerHTML + "\"");
is(sel.anchorOffset, offset, "Delete broken in \"" + editor.innerHTML + "\"");
is(editor.textContent, text, "Delete broken in \"" + editor.innerHTML + "\"");
}
function testBackspace(node, offset, text) {
synthesizeKey("VK_BACK_SPACE", {});
is(sel.anchorNode, node, "Backspace broken in \"" + editor.innerHTML + "\"");
is(sel.anchorOffset, offset, "Backspace broken in \"" + editor.innerHTML + "\"");
is(editor.textContent, text, "Backspace broken in \"" + editor.innerHTML + "\"");
}
// Test cell-wise deletion of Delete
editor.innerHTML = "สวัสดีพ่อแม่พี่น้อง";
sel.collapse(editor.firstChild, 0);
testRight(editor.firstChild, 1);
testDelete(editor.firstChild, 1, "สสดีพ่อแม่พี่น้อง");
testRight(editor.firstChild, 2);
testDelete(editor.firstChild, 2, "สสพ่อแม่พี่น้อง");
testRight(editor.firstChild, 4);
testDelete(editor.firstChild, 4, "สสพ่แม่พี่น้อง");
testRight(editor.firstChild, 5);
testDelete(editor.firstChild, 5, "สสพ่แพี่น้อง");
testRight(editor.firstChild, 8);
testDelete(editor.firstChild, 8, "สสพ่แพี่อง");
testRight(editor.firstChild, 9);
testDelete(editor.firstChild, 9, "สสพ่แพี่อ");
// Test character-wise deletion of Backspace
editor.innerHTML = "สวัสดีพ่อแม่พี่น้อง";
sel.collapse(editor.firstChild, 0);
testRight(editor.firstChild, 1);
testBackspace(editor.firstChild, 0, "วัสดีพ่อแม่พี่น้อง");
testRight(editor.firstChild, 2);
testBackspace(editor.firstChild, 1, "วสดีพ่อแม่พี่น้อง");
testRight(editor.firstChild, 2);
testBackspace(editor.firstChild, 1, "วดีพ่อแม่พี่น้อง");
testRight(editor.firstChild, 3);
testBackspace(editor.firstChild, 2, "วดพ่อแม่พี่น้อง");
testRight(editor.firstChild, 4);
testBackspace(editor.firstChild, 3, "วดพอแม่พี่น้อง");
testRight(editor.firstChild, 4);
testBackspace(editor.firstChild, 3, "วดพแม่พี่น้อง");
testRight(editor.firstChild, 4);
testBackspace(editor.firstChild, 3, "วดพม่พี่น้อง");
testRight(editor.firstChild, 5);
testBackspace(editor.firstChild, 4, "วดพมพี่น้อง");
testRight(editor.firstChild, 7);
testBackspace(editor.firstChild, 6, "วดพมพีน้อง");
testRight(editor.firstChild, 8);
testBackspace(editor.firstChild, 7, "วดพมพีนอง");
testRight(editor.firstChild, 8);
testBackspace(editor.firstChild, 7, "วดพมพีนง");
testRight(editor.firstChild, 8);
testBackspace(editor.firstChild, 7, "วดพมพีน");
// Tests for Bug 417745
setEatSpace(true);
editor.innerHTML = "Quick yellow fox";
sel.collapse(editor.firstChild, 0);
testWordSelRight(editor.firstChild, 0, editor.firstChild, 6);
testDelete(editor.firstChild, 0, "yellow fox");
testWordSelRight(editor.firstChild, 0, editor.firstChild, 7);
testDelete(editor.firstChild, 0, "fox");
setEatSpace(false);
editor.innerHTML = "Quick yellow fox";
sel.collapse(editor.firstChild, 0);
testWordSelRight(editor.firstChild, 0, editor.firstChild, 5);
// editor converts the leading space to an &nbsp;, otherwise it
// wouldn't show up which would confuse users
testDelete(editor.firstChild, 0, "\u00A0yellow fox");
testWordSelRight(editor.firstChild, 0, editor.firstChild, 7);
testDelete(editor.firstChild, 0, "\u00A0fox");
testWordSelRight(editor.firstChild, 0, editor.firstChild, 4);
testDelete(editor, 0, "");
restoreEatSpace();
SimpleTest.finish();
}
</script>
</pre>
</body>
</html>