test_bug395107.html

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<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=395107

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<head>

  <title>Test for Bug 395107</title>

  <script src="/tests/SimpleTest/SimpleTest.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=395107">Mozilla Bug 395107</a>

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

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

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<pre id="test">

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

/** Test for Bug 395107 **/

var testNumber = 0;

function assertSelected(aOption, aExpectDefaultSelected, aExpectSelected) {

  ++testNumber;

  is(aOption.defaultSelected, aExpectDefaultSelected,

     "Asserting default-selected state for option " + testNumber);

  is(aOption.selected, aExpectSelected,

     "Asserting selected state for option " + testNumber);

function assertSame(aSel1, aSel2Str, aTestNumber) {

  var div = document.createElement("div");

  div.innerHTML = aSel2Str;

  sel2 = div.firstChild;

  is(aSel1.options.length, sel2.options.length,

     "Length should be same in select test " + aTestNumber);

  is(aSel1.selectedIndex, sel2.selectedIndex,

     "Selected index should be same in select test " + aTestNumber);

  for (var i = 0; i < aSel1.options.length; ++i) {

    is(aSel1.options[i].selected, sel2.options[i].selected,

       "Options[" + i + "].selected should be the same in select test " +

       aTestNumber);

    is(aSel1.options[i].defaultSelected, sel2.options[i].defaultSelected,

       "Options[" + i +

       "].defaultSelected should be the same in select test " +

       aTestNumber);

// In a single-select, setting an option selected should deselect an

// existing selected option.

var sel = document.createElement("select");

sel.appendChild(new Option());

is(sel.selectedIndex, 0, "First option should be selected");

assertSelected(sel.firstChild, false, true);

sel.appendChild(new Option());

is(sel.selectedIndex, 0, "First option should still be selected");

assertSelected(sel.firstChild, false, true);

assertSelected(sel.firstChild.nextSibling, false, false);

opt = new Option();

sel.appendChild(opt);

opt.defaultSelected = true;

assertSelected(sel.firstChild, false, false);

assertSelected(sel.firstChild.nextSibling, false, false);

assertSelected(opt, true, true);

is(opt, sel.firstChild.nextSibling.nextSibling, "What happened here?");

is(sel.options[0], sel.firstChild, "Unexpected option 0");

is(sel.options[1], sel.firstChild.nextSibling, "Unexpected option 1");

is(sel.options[2], opt, "Unexpected option 2");

is(sel.selectedIndex, 2, "Unexpected selectedIndex in select test 1");

assertSame(sel, "<select><option><option><option selected></select>", 1);

// Same, but with the option that gets set selected earlier in the select

sel = document.createElement("select");

sel.appendChild(new Option());

sel.appendChild(new Option());

opt = new Option();

opt.defaultSelected = true;

sel.appendChild(opt);

opt = new Option();

sel.options[0] = opt;

opt.defaultSelected = true;

assertSelected(sel.options[0], true, true);

assertSelected(sel.options[1], false, false);

assertSelected(sel.options[2], true, false);

is(sel.selectedIndex, 0, "Unexpected selectedIndex in select test 2");

// And now try unselecting options

sel = document.createElement("select");

sel.appendChild(new Option());

opt = new Option();

opt.defaultSelected = true;

sel.appendChild(opt);

sel.appendChild(new Option());

opt.defaultSelected = false;

assertSelected(sel.options[0], false, true);

assertSelected(sel.options[1], false, false);

assertSelected(sel.options[2], false, false);

is(sel.selectedIndex, 0, "Unexpected selectedIndex in select test 2");

</script>

</pre>

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