зеркало из https://github.com/mozilla/gecko-dev.git
120 строки
3.2 KiB
HTML
120 строки
3.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=596681
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-->
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<head>
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<title>Test for HTMLSelectElement.selectedOptions</title>
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<script src="/tests/SimpleTest/SimpleTest.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=596681">Mozilla Bug 596681</a>
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<p id="display"></p>
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<pre id="test">
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<script type="application/javascript">
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/** Test for HTMLSelectElement's selectedOptions attribute.
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*
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* selectedOptions is a live list of the options that have selectedness of true
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* (not the selected content attribute).
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*
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* See http://www.whatwg.org/html/#dom-select-selectedoptions
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**/
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function checkSelectedOptions(size, elements)
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{
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is(selectedOptions.length, size,
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"select should have " + size + " selected options");
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for (let i = 0; i < size; ++i) {
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ok(selectedOptions[i], "selected option is valid");
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if (selectedOptions[i]) {
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is(selectedOptions[i].value, elements[i].value, "selected options are correct");
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}
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}
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}
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let select = document.createElement("select");
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document.body.appendChild(select);
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let selectedOptions = select.selectedOptions;
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ok("selectedOptions" in select,
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"select element should have a selectedOptions IDL attribute");
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ok(select.selectedOptions instanceof HTMLCollection,
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"selectedOptions should be an HTMLCollection instance");
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let option1 = document.createElement("option");
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let option2 = document.createElement("option");
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let option3 = document.createElement("option");
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option1.id = "option1";
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option1.value = "option1";
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option2.value = "option2";
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option3.value = "option3";
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checkSelectedOptions(0, null);
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select.add(option1, null);
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is(selectedOptions.namedItem("option1").value, "option1", "named getter works");
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checkSelectedOptions(1, [option1]);
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select.add(option2, null);
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checkSelectedOptions(1, [option1]);
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select.options[1].selected = true;
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checkSelectedOptions(1, [option2]);
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select.multiple = true;
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checkSelectedOptions(1, [option2]);
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select.options[0].selected = true;
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checkSelectedOptions(2, [option1, option2]);
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option1.selected = false;
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// Usinig selected directly on the option should work.
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checkSelectedOptions(1, [option2]);
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select.remove(1);
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select.add(option2, 0);
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select.options[0].selected = true;
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select.options[1].selected = true;
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// Should be in tree order.
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checkSelectedOptions(2, [option2, option1]);
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select.add(option3, null);
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checkSelectedOptions(2, [option2, option1]);
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select.options[2].selected = true;
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checkSelectedOptions(3, [option2, option1, option3]);
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select.length = 0;
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option1.selected = false;
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option2.selected = false;
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option3.selected = false;
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var optgroup1 = document.createElement("optgroup");
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optgroup1.appendChild(option1);
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optgroup1.appendChild(option2);
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select.add(optgroup1)
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var optgroup2 = document.createElement("optgroup");
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optgroup2.appendChild(option3);
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select.add(optgroup2);
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checkSelectedOptions(0, null);
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option2.selected = true;
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checkSelectedOptions(1, [option2]);
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option3.selected = true;
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checkSelectedOptions(2, [option2, option3]);
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optgroup1.removeChild(option2);
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checkSelectedOptions(1, [option3]);
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document.body.removeChild(select);
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option1.selected = true;
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checkSelectedOptions(2, [option1, option3]);
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</script>
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</pre>
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</body>
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</html>
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