test_bug345267.html

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<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=345267

-->

<head>

  <title>Test for Bug 345267</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" />

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<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=345267">Mozilla Bug 345267</a>

<p id="display">

 <input id="d1" maxlength="3" value="abcde">

 <input id="d2" maxlength="3">

 <input id="d3" maxlength="3">

 <input id="d4" value="abcdefghijk">

 <input id="target" value="abcdefghijklm" maxlength="3">

</p>

<div id="content" style="display: none">

 <input id="u1" maxlength="3" value="abcdef">

 <input id="u2" maxlength="3">

 <input id="u3" maxlength="3">

 <input id="u4" value="abcdefghijkl">

</div>

<pre id="test">

<script class="testbody" type="text/javascript">

/** Test for Bug 345267 **/

SimpleTest.waitForExplicitFinish();

runTest();

function runTest() {

  is($("d1").value, "abcde",

     "Displayed initial value should not be truncated by maxlength");

  is($("u1").value, "abcdef",

     "Undisplayed initial value should not be truncated by maxlength");

  $("d2").value = "abcdefg";

  is($("d2").value, "abcdefg",

     "Displayed set value should not be truncated by maxlength");

  $("u2").value = "abcdefgh";

  is($("u2").value, "abcdefgh",

     "Undisplayed set value should not be truncated by maxlength");

  $("d3").defaultValue = "abcdefghi";

  is($("d3").value, "abcdefghi",

     "Displayed set defaultValue should not be truncated by maxlength");

  $("u3").defaultValue = "abcdefghij";

  is($("u3").value, "abcdefghij",

     "Undisplayed set defaultValue should not be truncated by maxlength");

  $("d4").maxLength = "3";

  is($("d4").value, "abcdefghijk",

     "Displayed: setting maxLength should not truncate existing value");

  $("u4").maxLength = "3";

  is($("u4").value, "abcdefghijkl",

     "Undisplayed: setting maxLength should not truncate existing value");

  // Now start the editing tests

  is($("target").value, "abcdefghijklm", "Test starting state incorrect");

  $("target").focus();

  $("target").selectionStart = $("target").selectionEnd = 13;

  sendKey("back_space");

  is($("target").value, "abcdefghijkl", "Should only delete one char");

  sendKey("back_space");

  is($("target").value, "abcdefghijk", "Should only delete one char again");

  (function () {

    SpecialPowers.wrap($("target")).controllers.getControllerForCommand('cmd_undo')

                         .doCommand('cmd_undo');

  })();

  is($("target").value, "abcdefghijklm",

     "Should be able to undo deletion in the face of maxlength");

  sendString("nopq");

  is($("target").value, "abcdefghijklm",

     "Typing should have no effect when already past maxlength");

  $("target").value = "";

  sendString("abcde");

  is($("target").value, "abc", "Typing should be limited by maxlength");

  $("target").value = "";

  sendString("ad");

  sendKey("left");

  sendString("bc");

  is($("target").value, "abd", "Typing should be limited by maxlength again");

  SimpleTest.finish();

</script>

</pre>

</body>

</html>