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91 lines
2.6 KiB
HTML
91 lines
2.6 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=535043
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-->
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<head>
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<title>Test for Bug 535043</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/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=535043">Mozilla Bug 535043</a>
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<p id="display"></p>
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<div id="content">
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<textarea></textarea>
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<textarea maxlength="-1"></textarea>
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<textarea maxlength="0"></textarea>
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<textarea maxlength="2"></textarea>
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</div>
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<pre id="test">
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<script type="text/javascript">
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/** Test for Bug 535043 **/
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function checkTextArea(textArea) {
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textArea.value = '';
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textArea.focus();
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for (var j = 0; j < 3; j++) {
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synthesizeKey('x', {});
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}
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var htmlMaxLength = textArea.getAttribute('maxlength');
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var domMaxLength = textArea.maxLength;
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if (htmlMaxLength == null) {
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is(domMaxLength, -1,
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'maxlength is unset but maxLength DOM attribute is not -1');
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} else if (htmlMaxLength < 0) {
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// Per the HTML5 spec, out-of-range values are supposed to translate to -1,
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// not 0, but they don't?
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is(domMaxLength, -1,
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'maxlength is out of range but maxLength DOM attribute is not -1');
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} else {
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is(domMaxLength, parseInt(htmlMaxLength),
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'maxlength in DOM does not match provided value');
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}
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if (textArea.maxLength == -1) {
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is(textArea.value.length, 3,
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'textarea with maxLength -1 should have no length limit');
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} else {
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is(textArea.value.length, textArea.maxLength, 'textarea has maxLength ' +
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textArea.maxLength + ' but length ' + textArea.value.length );
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}
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}
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SimpleTest.waitForFocus(function() {
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var textAreas = document.getElementsByTagName('textarea');
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for (var i = 0; i < textAreas.length; i++) {
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checkTextArea(textAreas[i]);
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}
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textArea = textAreas[0];
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testNums = [-42, -1, 0, 2];
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for (var i = 0; i < testNums.length; i++) {
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textArea.removeAttribute('maxlength');
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var caught = false;
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try {
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textArea.maxLength = testNums[i];
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} catch (e) {
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caught = true;
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}
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if (testNums[i] < 0) {
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ok(caught, 'Setting negative maxLength should throw exception');
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} else {
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ok(!caught, 'Setting nonnegative maxLength should not throw exception');
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}
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checkTextArea(textArea);
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textArea.setAttribute('maxlength', testNums[i]);
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checkTextArea(textArea);
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}
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SimpleTest.finish();
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});
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SimpleTest.waitForExplicitFinish();
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</script>
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</pre>
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</body>
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</html>
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