test_maxlength_attribute.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=345624

-->

<head>

  <title>Test for Bug 345624</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"/>

  <style>

    input, textarea { background-color: rgb(0,0,0) !important; }

    :-moz-any(input,textarea):valid   { background-color: rgb(0,255,0) !important; }

    :-moz-any(input,textarea):invalid { background-color: rgb(255,0,0) !important; }

  </style>

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=345624">Mozilla Bug 345624</a>

<p id="display"></p>

<div id="content">

  <input id='i'>

  <textarea id='t'></textarea>

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 345624 **/

/**

 * This test is checking only tooLong related features

 * related to constraint validation.

*/

function checkTooLongValidity(element)

  element.value = "foo";

  ok(!element.validity.tooLong,

    "Element should not be too long when maxlength is not set");

  is(window.getComputedStyle(element).getPropertyValue('background-color'),

     "rgb(0, 255, 0)", ":valid pseudo-class should apply");

  ok(element.validity.valid, "Element should be valid");

  ok(element.checkValidity(), "The element should be valid");

  element.maxLength = 1;

  ok(!element.validity.tooLong,

    "Element should not be too long unless the user edits it");

  is(window.getComputedStyle(element).getPropertyValue('background-color'),

     "rgb(0, 255, 0)", ":valid pseudo-class should apply");

  ok(element.validity.valid, "Element should be valid");

  ok(element.checkValidity(), "The element should be valid");

  element.focus();

  synthesizeKey("KEY_Backspace");

  is(element.value, "fo", "value should have changed");

  ok(element.validity.tooLong,

    "Element should be too long after a user edit that does not make it short enough");

  is(window.getComputedStyle(element).getPropertyValue('background-color'),

     "rgb(255, 0, 0)", ":invalid pseudo-class should apply");

  ok(!element.validity.valid, "Element should be invalid");

  ok(!element.checkValidity(), "The element should not be valid");

  is(element.validationMessage,

          "Please shorten this text to 1 characters or less (you are currently using 2 characters).",

          "The validation message text is not correct");

  synthesizeKey("KEY_Backspace");

  is(element.value, "f", "value should have changed");

  ok(!element.validity.tooLong,

    "Element should not be too long after a user edit makes it short enough");

  is(window.getComputedStyle(element).getPropertyValue('background-color'),

     "rgb(0, 255, 0)", ":valid pseudo-class should apply");

  ok(element.validity.valid, "Element should be valid");

  element.maxLength = 2;

  ok(!element.validity.tooLong,

    "Element should remain valid if maxlength changes but maxlength > length");

  is(window.getComputedStyle(element).getPropertyValue('background-color'),

     "rgb(0, 255, 0)", ":valid pseudo-class should apply");

  ok(element.validity.valid, "Element should be valid");

  element.maxLength = 1;

  ok(!element.validity.tooLong,

    "Element should remain valid if maxlength changes but maxlength = length");

  is(window.getComputedStyle(element).getPropertyValue('background-color'),

     "rgb(0, 255, 0)", ":valid pseudo-class should apply");

  ok(element.validity.valid, "Element should be valid");

  ok(element.checkValidity(), "The element should be valid");

  element.maxLength = 0;

  ok(element.validity.tooLong,

    "Element should become invalid if maxlength changes and maxlength < length");

  is(window.getComputedStyle(element).getPropertyValue('background-color'),

     "rgb(255, 0, 0)", ":invalid pseudo-class should apply");

  ok(!element.validity.valid, "Element should be invalid");

  ok(!element.checkValidity(), "The element should not be valid");

  is(element.validationMessage,

          "Please shorten this text to 0 characters or less (you are currently using 1 characters).",

          "The validation message text is not correct");

  element.maxLength = 1;

  ok(!element.validity.tooLong,

    "Element should become valid if maxlength changes and maxlength = length");

  is(window.getComputedStyle(element).getPropertyValue('background-color'),

     "rgb(0, 255, 0)", ":valid pseudo-class should apply");

  ok(element.validity.valid, "Element should be valid");

  ok(element.checkValidity(), "The element should be valid");

  element.value = "test";

  ok(!element.validity.tooLong,

    "Element should stay valid after programmatic edit (even if value is too long)");

  is(window.getComputedStyle(element).getPropertyValue('background-color'),

     "rgb(0, 255, 0)", ":valid pseudo-class should apply");

  ok(element.validity.valid, "Element should be valid");

  ok(element.checkValidity(), "The element should be valid");

  element.setCustomValidity("custom message");

  is(window.getComputedStyle(element).getPropertyValue('background-color'),

     "rgb(255, 0, 0)", ":invalid pseudo-class should apply");

  is(element.validationMessage, "custom message",

    "Custom message should be shown instead of too long one");

checkTooLongValidity(document.getElementById('i'));

checkTooLongValidity(document.getElementById('t'));

</script>

</pre>

</body>

</html>