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Quelle test_bug391994.html Sprache: HTML |
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<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=391994 --> <head> <title>Test for Bug 391994</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=391994">Mozill <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> <script class="testbody" type="text/javascript"> /** Test for Bug 391994 **/ 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); } } // Creation methods var opt = document.createElement("option"); assertSelected(opt, false, false); opt = new Option(); assertSelected(opt, false, false); // Setting of defaultSelected opt = new Option(); opt.setAttribute("selected", "selected"); assertSelected(opt, true, true); opt = new Option(); opt.defaultSelected = true; assertSelected(opt, true, true); is(opt.hasAttribute("selected"), true, "Attribute should be set"); is(opt.getAttribute("selected"), "", "Attribute should be set to empty string"); // Setting of selected opt = new Option(); opt.selected = false; assertSelected(opt, false, false); opt = new Option(); opt.selected = true; assertSelected(opt, false, true); // Interaction of selected and defaultSelected opt = new Option(); opt.selected; opt.setAttribute("selected", "selected"); assertSelected(opt, true, true); opt = new Option(); opt.selected = false; opt.setAttribute("selected", "selected"); assertSelected(opt, true, false); opt = new Option(); opt.setAttribute("selected", "selected"); opt.selected = true; opt.removeAttribute("selected"); assertSelected(opt, false, true); // First test of putting things in a <select>: Adding default-selected option // should select it. 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(); opt.defaultSelected = true; sel.appendChild(opt); 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, "", 1); // Second test of putting things in a <select>: Adding two default-selected // options should select the second one. sel = document.createElement("select"); sel.appendChild(new Option()); sel.appendChild(new Option()); opt = new Option(); opt.defaultSelected = true; sel.appendChild(opt); opt = new Option(); opt.defaultSelected = true; sel.appendChild(opt); assertSelected(sel.options[0], false, false); assertSelected(sel.options[1], false, false); assertSelected(sel.options[2], true, false); assertSelected(sel.options[3], true, true); is(sel.selectedIndex, 3, "Unexpected selectedIndex in select test 2"); assertSame(sel, "", 2); // Third test of putting things in a <select>: adding a selected option earlier // than another selected option should make the new option selected. sel = document.createElement("select"); sel.appendChild(new Option()); sel.appendChild(new Option()); opt = new Option(); opt.defaultSelected = true; sel.appendChild(opt); opt = new Option(); opt.defaultSelected = true; sel.options[0] = opt; 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 3"); // Fourth test of putting things in a <select>: Just like second test, but with // a <select multiple> sel = document.createElement("select"); sel.multiple = true; sel.appendChild(new Option()); sel.appendChild(new Option()); opt = new Option(); opt.defaultSelected = true; sel.appendChild(opt); opt = new Option(); opt.defaultSelected = true; sel.appendChild(opt); assertSelected(sel.options[0], false, false); assertSelected(sel.options[1], false, false); assertSelected(sel.options[2], true, true); assertSelected(sel.options[3], true, true); is(sel.selectedIndex, 2, "Unexpected selectedIndex in select test 4"); assertSame(sel, " + ", 4); </script> </pre> </body> </html>
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2026-04-02