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<html>
<head>
<script src="../../../resources/js-test.js"></script>
<script>
var selectElement;
function go() {
// <select multiple="true"> should not have a selection by default.
selectElement = document.getElementsByTagName('select')[0];
shouldBe("selectElement.selectedIndex", "-1");
// Preserve selection on conversion.
selectElement.multiple = false;
shouldBe("selectElement.selectedIndex", "-1");
// <select multiple="false"> should have a selection by default and that
// selection should be preserved.
selectElement = document.getElementsByTagName('select')[1];
selectElement.multiple = true;
shouldBe("selectElement.selectedIndex", "0");
// Test the same cases as above but with selects that start out with
// display: none.
selectElement = document.getElementsByTagName('select')[2];
selectElement.style.display = '';
shouldBe("selectElement.selectedIndex", "-1");
selectElement.multiple = false;
shouldBe("selectElement.selectedIndex", "-1");
selectElement = document.getElementsByTagName('select')[3];
selectElement.style.display = '';
selectElement.multiple = true;
shouldBe("selectElement.selectedIndex", "0");
// Test resetting the multiple attribute.
selectElement = document.getElementsByTagName('select')[4];
shouldBe("selectElement.options[0].selected", "true");
shouldBe("selectElement.options[1].selected", "true");
shouldBe("selectElement.options[2].selected", "false");
selectElement.multiple = true;
shouldBe("selectElement.options[0].selected", "true");
shouldBe("selectElement.options[1].selected", "true");
shouldBe("selectElement.options[2].selected", "false");
selectElement.multiple = false;
shouldBe("selectElement.options[0].selected", "true");
shouldBe("selectElement.options[1].selected", "false");
shouldBe("selectElement.options[2].selected", "false");
}
</script>
<body onload="go()">
<select multiple="true">
<option id="opt1" value="1">1</option>
<option id="opt2" value="2">2</option>
<option id="opt2" value="3">3</option>
</select>
<select>
<option id="opt1" value="1">1</option>
<option id="opt2" value="2">2</option>
<option id="opt2" value="3">3</option>
</select>
<select multiple="true" style="display: none;">
<option id="opt1" value="1">1</option>
<option id="opt2" value="2">2</option>
<option id="opt2" value="3">3</option>
</select>
<select style="display: none;">
<option id="opt1" value="1">1</option>
<option id="opt2" value="2">2</option>
<option id="opt2" value="3">3</option>
</select>
<select multiple="true">
<option id="opt1" value="1" selected="selected">1</option>
<option id="opt2" value="2" selected="selected">2</option>
<option id="opt2" value="3">3</option>
</select>
<div id="console"></div>
</body>
</html>
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