зеркало из https://github.com/mozilla/gecko-dev.git
185 строки
5.8 KiB
HTML
185 строки
5.8 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=391994
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-->
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<head>
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<title>Test for Bug 391994</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=391994">Mozilla Bug 391994</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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/** Test for Bug 391994 **/
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var testNumber = 0;
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function assertSelected(aOption, aExpectDefaultSelected, aExpectSelected) {
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++testNumber;
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is(aOption.defaultSelected, aExpectDefaultSelected,
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"Asserting default-selected state for option " + testNumber);
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is(aOption.selected, aExpectSelected,
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"Asserting selected state for option " + testNumber);
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}
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function assertSame(aSel1, aSel2Str, aTestNumber) {
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var div = document.createElement("div");
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div.innerHTML = aSel2Str;
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sel2 = div.firstChild;
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is(aSel1.options.length, sel2.options.length,
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"Length should be same in select test " + aTestNumber);
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is(aSel1.selectedIndex, sel2.selectedIndex,
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"Selected index should be same in select test " + aTestNumber);
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for (var i = 0; i < aSel1.options.length; ++i) {
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is(aSel1.options[i].selected, sel2.options[i].selected,
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"Options[" + i + "].selected should be the same in select test " +
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aTestNumber);
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is(aSel1.options[i].defaultSelected, sel2.options[i].defaultSelected,
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"Options[" + i +
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"].defaultSelected should be the same in select test " +
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aTestNumber);
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}
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}
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// Creation methods
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var opt = document.createElement("option");
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assertSelected(opt, false, false);
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opt = new Option();
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assertSelected(opt, false, false);
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// Setting of defaultSelected
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opt = new Option();
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opt.setAttribute("selected", "selected");
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assertSelected(opt, true, true);
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opt = new Option();
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opt.defaultSelected = true;
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assertSelected(opt, true, true);
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is(opt.hasAttribute("selected"), true, "Attribute should be set");
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is(opt.getAttribute("selected"), "",
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"Attribute should be set to empty string");
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// Setting of selected
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opt = new Option();
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opt.selected = false;
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assertSelected(opt, false, false);
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opt = new Option();
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opt.selected = true;
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assertSelected(opt, false, true);
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// Interaction of selected and defaultSelected
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opt = new Option();
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opt.selected;
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opt.setAttribute("selected", "selected");
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assertSelected(opt, true, true);
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opt = new Option();
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opt.selected = false;
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opt.setAttribute("selected", "selected");
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assertSelected(opt, true, false);
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opt = new Option();
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opt.setAttribute("selected", "selected");
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opt.selected = true;
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opt.removeAttribute("selected");
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assertSelected(opt, false, true);
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// First test of putting things in a <select>: Adding default-selected option
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// should select it.
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var sel = document.createElement("select");
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sel.appendChild(new Option());
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is(sel.selectedIndex, 0, "First option should be selected");
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assertSelected(sel.firstChild, false, true);
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sel.appendChild(new Option());
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is(sel.selectedIndex, 0, "First option should still be selected");
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assertSelected(sel.firstChild, false, true);
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assertSelected(sel.firstChild.nextSibling, false, false);
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opt = new Option();
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opt.defaultSelected = true;
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sel.appendChild(opt);
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assertSelected(sel.firstChild, false, false);
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assertSelected(sel.firstChild.nextSibling, false, false);
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assertSelected(opt, true, true);
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is(opt, sel.firstChild.nextSibling.nextSibling, "What happened here?");
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is(sel.options[0], sel.firstChild, "Unexpected option 0");
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is(sel.options[1], sel.firstChild.nextSibling, "Unexpected option 1");
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is(sel.options[2], opt, "Unexpected option 2");
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is(sel.selectedIndex, 2, "Unexpected selectedIndex in select test 1");
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assertSame(sel, "<select><option><option><option selected></select>", 1);
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// Second test of putting things in a <select>: Adding two default-selected
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// options should select the second one.
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sel = document.createElement("select");
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sel.appendChild(new Option());
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sel.appendChild(new Option());
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opt = new Option();
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opt.defaultSelected = true;
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sel.appendChild(opt);
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opt = new Option();
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opt.defaultSelected = true;
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sel.appendChild(opt);
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assertSelected(sel.options[0], false, false);
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assertSelected(sel.options[1], false, false);
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assertSelected(sel.options[2], true, false);
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assertSelected(sel.options[3], true, true);
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is(sel.selectedIndex, 3, "Unexpected selectedIndex in select test 2");
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assertSame(sel,
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"<select><option><option><option selected><option selected></select>", 2);
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// Third test of putting things in a <select>: adding a selected option earlier
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// than another selected option should make the new option selected.
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sel = document.createElement("select");
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sel.appendChild(new Option());
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sel.appendChild(new Option());
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opt = new Option();
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opt.defaultSelected = true;
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sel.appendChild(opt);
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opt = new Option();
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opt.defaultSelected = true;
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sel.options[0] = opt;
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assertSelected(sel.options[0], true, true);
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assertSelected(sel.options[1], false, false);
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assertSelected(sel.options[2], true, false);
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is(sel.selectedIndex, 0, "Unexpected selectedIndex in select test 3");
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// Fourth test of putting things in a <select>: Just like second test, but with
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// a <select multiple>
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sel = document.createElement("select");
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sel.multiple = true;
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sel.appendChild(new Option());
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sel.appendChild(new Option());
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opt = new Option();
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opt.defaultSelected = true;
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sel.appendChild(opt);
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opt = new Option();
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opt.defaultSelected = true;
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sel.appendChild(opt);
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assertSelected(sel.options[0], false, false);
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assertSelected(sel.options[1], false, false);
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assertSelected(sel.options[2], true, true);
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assertSelected(sel.options[3], true, true);
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is(sel.selectedIndex, 2, "Unexpected selectedIndex in select test 4");
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assertSame(sel,
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"<select multiple><option><option>" +
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"<option selected><option selected></select>",
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4);
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</script>
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</pre>
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</body>
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</html>
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