accessible/tests/mochitest/test_nsIAccessibleHyperLink.xul

   1 <?xml version="1.0"?>
   2 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
   3 <?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
   4                  type="text/css"?>
   5
   6 <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
   7         title="test for nsIAccessibleHyperLink interface on XUL:label elements">
   8
   9   <script type="application/javascript"
  10           src="chrome://mochikit/content/MochiKit/packed.js"></script>
  11   <script type="application/javascript"
  12           src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js" />
  13   <script type="application/javascript">
  14   <![CDATA[
  15     function testThis(aID, aAcc, aRole, aAnchorCount, aAnchorName, aURI,
  16                       aStartIndex, aEndIndex, aValid, aSelectedBefore,
  17                       aSelectedAfter)
  18     {
  19       is(aAcc.finalRole, aRole, "Wrong role for ID " + aID + "!");
  20       is(aAcc.anchorCount, aAnchorCount, "Wrong number of anchors for ID "
  21          + aID + "!");
  22       is(aAcc.getAnchor(0).name, aAnchorName, "Wrong name for ID " + aID + "!");
  23       is(aAcc.getURI(0).spec, aURI, "URI wrong for ID " + aID + "!");
  24       is(aAcc.startIndex, aStartIndex, "Wrong startIndex value for ID " + aID
  25          + "!");
  26       is(aAcc.endIndex, aEndIndex, "Wrong endIndex value for ID " + aID + "!");
  27       is(aAcc.valid, aValid, "Wrong valid state for ID " + aID + "!");
  28
  29       is(aAcc.selected, aSelectedBefore, "Wrong focused state before focus for "
  30          + aID + "!");
  31       document.getElementById(aID).focus();
  32       is(aAcc.selected, aSelectedAfter, "Wrong selected state after focus for "
  33          + aID + "!");
  34     }
  35
  36     function testStates(aID, aAcc, aState, aExtraState, aUndesiredState)
  37     {
  38       var state = {}, extraState = {};
  39       aAcc.getFinalState(state, extraState);
  40       is(state.value & aState, aState, "Wrong state bits for " + aID + "!");
  41       is(extraState.value & aExtraState, aExtraState,
  42          "Wrong extra state bits for " + aID + "!");
  43       if (aUndesiredState != 0)
  44         is(state.value & aUndesiredState, 0, "Bits should not be set for "
  45            + aID +"!");
  46     }
  47
  48     function doTest()
  49     {
  50       // Mapping needed state flags for easier handling.
  51       const state_focusable =
  52             Components.interfaces.nsIAccessibleStates.STATE_FOCUSABLE;
  53       const state_focused =
  54             Components.interfaces.nsIAccessibleStates.STATE_FOCUSED;
  55       const state_selectable =
  56             Components.interfaces.nsIAccessibleStates.STATE_SELECTABLE;
  57       const state_linked =
  58             Components.interfaces.nsIAccessibleStates.STATE_LINKED;
  59       const state_traversed =
  60             Components.interfaces.nsIAccessibleStates.STATE_TRAVERSED;
  61
  62       const ext_state_multi_line =
  63             Components.interfaces.nsIAccessibleStates.EXT_STATE_MULTI_LINE;
  64       const ext_state_horizontal =
  65             Components.interfaces.nsIAccessibleStates.EXT_STATE_HORIZONTAL;
  66       const ext_state_required =
  67             Components.interfaces.nsIAccessibleStates.STATE_REQUIRED;
  68       const ext_state_invalid =
  69             Components.interfaces.nsIAccessibleStates.STATE_INVALID;
  70
  71       // Activate accessibility.
  72       var accRetrieval = Components.classes["@mozilla.org/accessibleRetrieval;1"].
  73                     getService(Components.interfaces.nsIAccessibleRetrieval);
  74
  75       var linkLabelElement = document.getElementById("linkedLabel");
  76       var linkedLabelAcc;
  77       try {
  78         linkedLabelAcc = accRetrieval.getAccessibleFor(linkLabelElement).
  79           QueryInterface(Components.interfaces.nsIAccessibleHyperLink);
  80       } catch(e) {
  81         ok(linkedLabelAcc, "no interface for linked label!");
  82       }
  83       testThis("linkedLabel", linkedLabelAcc,
  84                Components.interfaces.nsIAccessibleRole.ROLE_LINK, 1,
  85                "Mozilla Foundation home", "http://www.mozilla.org/", 1, 2, true,
  86                false, true);
  87       testStates("linkedLabel", linkedLabelAcc,
  88                  (state_focusable | state_linked),
  89                  (ext_state_horizontal), 0);
  90
  91       var labelElementWithValue = document.getElementById("linkLabelWithValue");
  92       var labelWithValueAcc;
  93       try {
  94         labelWithValueAcc = accRetrieval.getAccessibleFor(labelElementWithValue).
  95           QueryInterface(Components.interfaces.nsIAccessibleHyperLink);
  96       } catch(e) {
  97         ok(labelWithValueAcc, "no interface for linked label with value!");
  98       }
  99       testThis("linkLabelWithValue", labelWithValueAcc,
 100                Components.interfaces.nsIAccessibleRole.ROLE_LINK, 1,
 101                "Mozilla Foundation", "http://www.mozilla.org/", 2, 3, true,
 102                false, true);
 103       testStates("linkLabelWithValue", labelWithValueAcc,
 104                  (state_focusable | state_linked),
 105                  (ext_state_horizontal), 0);
 106
 107       var NormalLabelElement = document.getElementById("normalLabel");
 108       var normalLabelAcc;
 109       try {
 110         normalLabelAcc = accRetrieval.getAccessibleFor(NormalLabelElement);
 111       } catch(e) {
 112       }
 113       ok(normalLabelAcc, "no accessible for normalLabel!");
 114       if (normalLabelAcc) {
 115         is(normalLabelAcc.finalRole,
 116            Components.interfaces.nsIAccessibleRole.ROLE_LABEL,
 117            "Wrong role!");
 118         is(normalLabelAcc.name, "This label should not be a link",
 119            "Wrong name for normal label!");
 120
 121         var stateNormal = {}, extraStateNormal = {};
 122         normalLabelAcc.getFinalState(stateNormal, extraStateNormal);
 123         undesiredState = (state_focusable | state_linked);
 124         is(stateNormal.value & undesiredState, 0, "Wrong state bits for normal label!");
 125       }
 126
 127       SimpleTest.finish();
 128     }
 129
 130     SimpleTest.waitForExplicitFinish();
 131     addLoadEvent(doTest);
 132   ]]>
 133   </script>
 134
 135   <body xmlns="http://www.w3.org/1999/xhtml">
 136     <a target="_blank"
 137        href="https://bugzilla.mozilla.org/show_bug.cgi?id=421066"
 138        title="Implement Mochitests for the nsIAccessibleHyperLink interface on XUL:label elements">
 139       Mozilla Bug 421066
 140     </a>
 141     <p id="display"></p>
 142     <div id="content" style="display: none">
 143     </div>
 144     <pre id="test">
 145     </pre>
 146   </body>
 147
 148   <label id="linkedLabel" class="text-link" href="http://www.mozilla.org/">
 149     Mozilla Foundation home</label>
 150   <label id="linkLabelWithValue" value="Mozilla Foundation" class="text-link"
 151    href="http://www.mozilla.org/" />
 152   <label id="normalLabel" value="This label should not be a link" />
 153 </window>