Quelle test_update.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/accessible/tests/mochitest/hypertext/test_update.html

<!DOCTYPE html>
<html>
<head>
  <title>nsIHyper>TextAccessible in dynamic tests</title>
  <link rel="stylesheet" type="text/css"
        href="chrome://mochikit/content/tests/SimpleTest/test.css" />

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <script type="application/javascript"
          src="../common.js"></script>
  <script type="application/javascript"
          src="../events.js"></script>

  <script type="application/javascript">
    const kLinksCount = 128;
    function addLinks(aContainerID) {
      this.containerNode = getNode(aContainerID);

      this.eventSeq = [
        new invokerChecker(EVENT_REORDER, this.containerNode),
      ];

      this.invoke = function addLinks_invoke() {
        for (var jdx = 0; jdx < kLinksCount; jdx++) {
          var a = document.createElement("a");
          a.setAttribute("href", "mozilla.org");
          a.textContent = "mozilla";
          this.containerNode.appendChild(a);

          var span = document.createElement("span");
          span.textContent = " text ";
          this.containerNode.appendChild(span);
        }
      };

      this.finalCheck = function addLinks_finalCheck() {
        // getLinkAt and getLinkIndex.
        var htAcc = getAccessible(this.containerNode, [nsIAccessibleHyperText]);
        for (var jdx = 0; jdx < kLinksCount; jdx++) {
          var link = htAcc.getLinkAt(jdx);
          ok(link, "No link at index " + jdx + " for '" + aContainerID + "'");

          var linkIdx = htAcc.getLinkIndex(link);
          is(linkIdx, jdx, "Wrong link index for '" + aContainerID + "'!");
        }
      };

      this.getID = function addLinks_getID() {
        return "Add links for '" + aContainerID + "'";
      };
    }

    function updateText(aContainerID) {
      this.containerNode = getNode(aContainerID);
      this.container = getAccessible(this.containerNode, nsIAccessibleHyperText);
      this.text = this.container.firstChild;
      this.textNode = this.text.DOMNode;
      this.textLen = this.textNode.data.length;

      this.eventSeq = [
        new invokerChecker(EVENT_TEXT_INSERTED, this.containerNode),
      ];

      this.invoke = function updateText_invoke() {
        is(this.container.getLinkIndexAtOffset(this.textLen), 0,
           "Wrong intial text offsets!");

        this.text.DOMNode.appendData(" my");
      };

      this.finalCheck = function updateText_finalCheck() {
        is(this.container.getLinkIndexAtOffset(this.textLen), -1,
           "Text offsets weren't updated!");
      };

      this.getID = function updateText_getID() {
        return "update text for '" + aContainerID + "'";
      };
    }

    /**
     * Text offsets must be updated when hypertext child is removed.
     */
    function removeChild(aContainerID, aChildID, aInitialText, aFinalText) {
      this.containerNode = getNode(aContainerID);
      this.container = getAccessible(this.containerNode, nsIAccessibleText);
      this.childNode = getNode(aChildID);

      // Call first to getText so offsets are cached
      is(this.container.getText(0, -1), aInitialText,
         "Wrong text before child removal");

      this.eventSeq = [
        new invokerChecker(EVENT_REORDER, this.containerNode),
      ];

      this.invoke = function removeChild_invoke() {
        this.containerNode.removeChild(this.childNode);
      };

      this.finalCheck = function removeChild_finalCheck() {
        is(this.container.getText(0, -1), aFinalText,
           "Wrong text after child removal");
        is(this.container.characterCount, aFinalText.length,
           "Wrong text after child removal");
      };

      this.getID = function removeChild_getID() {
        return "check text after removing child from '" + aContainerID + "'";
      };
    }

    function removeFirstChild(aContainer) {
      this.ht = getAccessible(aContainer, [ nsIAccessibleHyperText ]);
      this.eventSeq = [
        new invokerChecker(EVENT_REORDER, aContainer),
      ];

      this.invoke = function removeFirstChild_invoke() {
        is(this.ht.linkCount, 2, "Wrong embedded objects count before removal");

        getNode(aContainer).removeChild(getNode(aContainer).firstElementChild);
      };

      this.finalCheck = function removeFirstChild_finalCheck() {
        // check list index before link count
        is(this.ht.getLinkIndex(this.ht.firstChild), 0, "Wrong child index");
        is(this.ht.linkCount, 1, "Wrong embedded objects count after removal");
      };

      this.getID = function removeFirstChild_getID() {
        return "Remove first child and check embedded object indeces";
      };
    }

    function removeLastChild(aContainer) {
      this.ht = getAccessible(aContainer, [ nsIAccessibleHyperText ]);
      this.eventSeq = [
        new invokerChecker(EVENT_REORDER, aContainer),
      ];

      this.invoke = function removeLastChild_invoke() {
        is(this.ht.linkCount, 1, "Wrong embedded objects count before removal");

        getNode(aContainer).removeChild(getNode(aContainer).lastElementChild);
      };

      this.finalCheck = function removeLastChild_finalCheck() {
        is(this.ht.linkCount, 0, "Wrong embedded objects count after removal");

        var link = null;
        try {
          link = this.ht.getLinkAt(0);
        } catch (e) { }
        ok(!link, "No embedded object is expected");
      };

      this.getID = function removeLastChild_getID() {
        return "Remove last child and try its embedded object";
      };
    }

    // gA11yEventDumpToConsole = true; // debug stuff

    var gQueue = null;
    function doTest() {
      gQueue = new eventQueue();
      gQueue.push(new addLinks("p1"));
      gQueue.push(new updateText("p2"));
      gQueue.push(new removeChild("div1", "div2",
                                  "hello my good friend", "hello friend"));
      gQueue.push(new removeFirstChild("c4"));
      gQueue.push(new removeLastChild("c5"));

      gQueue.invoke(); // Will call SimpleTest.finish();
    }

    SimpleTest.waitForExplicitFinish();
    addA11yLoadEvent(doTest);
  </script>
</head>
<body>

  <a target="_blank"
     title="Cache links within hypertext accessible"
     href="https://bugzilla.mozilla.org/show_bug.cgi?id=572394">
    Mozilla Bug 572394
  </a>
  <a target="_blank"
     title="Text offsets don't get updated when text of first child text accessible is changed"
     href="https://bugzilla.mozilla.org/show_bug.cgi?id=625009">
    Mozilla Bug 625009
  </a>
  <a target="_blank"
     title="Crash in nsHyperTextAccessible::GetText()"
     href="https://bugzilla.mozilla.org/show_bug.cgi?id=630841">
    Mozilla Bug 630841
  </a><br>
  <p id="display"></p>
  <div id="content" style="display: none"></div>
  <pre id="test">
  </pre>

  <p id="p1"></p>
  <p id="p2"><b>hello</b><a>friend</a></p>
  <div id="div1">hello<span id="div2"> my<span id="div3"> good</span></span> friend</span></div>
  <form id="c4">
    <label for="c4_input">label</label>
    <input id="c4_input">
  </form>
  <div id="c5">TextLeaf<input id="c5_input"></div>
</body>
</html>

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