Quelle test_content_iterator_subtree.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/base/test/test_content_iterator_subtree.html

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Test for content subtree iterator</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" href="/tests/SimpleTest/test.css">
<script>
var Cc = SpecialPowers.Cc;
var Ci = SpecialPowers.Ci;
function finish() {
  // The SimpleTest may require usual elements in the template, but they shouldn't be during test.
  // So, let's create them at end of the test.
  document.body.innerHTML = '

';
  SimpleTest.finish();
}

function createContentIterator() {
  return Cc["@mozilla.org/scriptable-content-iterator;1"]
      .createInstance(Ci.nsIScriptableContentIterator);
}

function getNodeDescription(aNode) {
  if (aNode === undefined) {
    return "undefine";
  }
  if (aNode === null) {
    return "null";
  }
  function getElementDescription(aElement) {
    if (aElement.tagName === "BR") {
      if (aElement.previousSibling) {
        return `<br> element after ${getNodeDescription(aElement.previousSibling)}`;
      }
      return `<br> element in ${getElementDescription(aElement.parentElement)}`;
    }
    let hasHint = aElement == document.body;
    let tag = `<${aElement.tagName.toLowerCase()}`;
    if (aElement.getAttribute("id")) {
      tag += ` id="${aElement.getAttribute("id")}"`;
      hasHint = true;
    }
    if (aElement.getAttribute("class")) {
      tag += ` class="${aElement.getAttribute("class")}"`;
      hasHint = true;
    }
    if (aElement.getAttribute("type")) {
      tag += ` type="${aElement.getAttribute("type")}"`;
    }
    if (aElement.getAttribute("name")) {
      tag += ` name="${aElement.getAttribute("name")}"`;
    }
    if (aElement.getAttribute("value")) {
      tag += ` value="${aElement.getAttribute("value")}"`;
      hasHint = true;
    }
    if (aElement.getAttribute("style")) {
      tag += ` style="${aElement.getAttribute("style")}"`;
      hasHint = true;
    }
    if (hasHint) {
      return tag + ">";
    }
    return `${tag}> in ${getElementDescription(aElement.parentElement)}`;
  }
  switch (aNode.nodeType) {
    case aNode.TEXT_NODE:
      return `text node, "${aNode.wholeText.replace(/\n/g, '\\n')}"`;
    case aNode.COMMENT_NODE:
      return `comment node, "${aNode.data.replace(/\n/g, '\\n')}"`;
    case aNode.ELEMENT_NODE:
      return getElementDescription(SpecialPowers.unwrap(aNode));
    default:
      return "unknown node";
  }
}

SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(function () {
  let iter = createContentIterator();

  /**
   * FYI: ContentSubtreeIterator does not support initWithRootNode() nor positionAt().
   */

  /**
   * Basic behavior tests of first(), last(), prev() and next() after initialized with a range which selects empty element.
   */
  document.body.innerHTML = "

";
  let range = document.createRange();
  range.selectNode(document.body.firstChild);
  let description = "Initialized with range including only empty

:";
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild,
    `${description} currentNode should be the <div> immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild,
    `${description} currentNode should be the <div> after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true after calling first()`);

  iter.last();
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild,
    `${description} currentNode should be the <div> after calling last() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true after calling last()`);

  iter.prev();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null after calling prev() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true after calling prev()`); // XXX Is this expected?

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild,
    `${description} currentNode should be the <div> after calling first() even after once done (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true after calling first() even after once done`);

  iter.next();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null after calling next() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true after calling next()`);

  /**
   * Basic behavior tests of first(), last(), prev() and next() after initialized with positions which select empty element.
   */
  range.selectNode(document.body.firstChild);
  description = "Initialized with positions including only empty

:";
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild,
    `${description} currentNode should be the <div> immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild,
    `${description} currentNode should be the <div> after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true after calling first()`);

  iter.last();
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild,
    `${description} currentNode should be the <div> after calling last() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true after calling last()`);

  iter.prev();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null after calling prev() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true after calling prev()`); // XXX Is this expected?

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild,
    `${description} currentNode should be the <div> after calling first() even after once done (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true after calling first() even after once done`);

  iter.next();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null after calling next() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true after calling next()`);

  /**
   * Tests to initializing with collapsed range in an empty element.
   */
  range = document.createRange();
  range.collapse(document.body.firstChild, 0);
  description = "Initialized with range collapsed in empty

:";
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null even after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true even after calling first()`);

  /**
   * Tests to initializing with collapsed range in an empty element.
   */
  description = "Initialized with a position in empty

:";
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         document.body.firstChild, 0, document.body.firstChild, 0);
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null even after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true even after calling first()`);

  /**
   * Basic behavior tests of first(), last(), prev() and next() after initialized with a range which selects the text node.
   */
  document.body.innerHTML = "

some text.

";
  range = document.createRange();
  range.selectNode(document.body.firstChild.firstChild);
  description = "Initialized with range including only text node:";
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild.firstChild,
    `${description} currentNode should be the text node immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild.firstChild,
    `${description} currentNode should be the text node after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true after calling first()`);

  iter.last();
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild.firstChild,
    `${description} currentNode should be the text node after calling last() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true after calling last()`);

  iter.prev();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null after calling prev() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true after calling prev()`); // XXX Is this expected?

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild.firstChild,
    `${description} currentNode should be the text node after calling first() even after once done (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true after calling first() even after once done`);

  iter.next();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null after calling next() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true after calling next()`);

  /**
   * Basic behavior tests of first() and next() after initialized with positions which select the text node.
   * XXX In this case, content iterator lists up the parent <div> element.  Not sure if this is intentional difference
   *     from initWithRange().
   */
  range.selectNode(document.body.firstChild);
  description = "Initialized with positions including only text node:";
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild,
    `${description} currentNode should be the <div> element immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild,
    `${description} currentNode should be the <div> element after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(!iter.isDone, `${description} isDone shouldn't be true after calling first()`);

  iter.next();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null after calling next() from first position (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true after calling next() from first position`);

  /**
   * Tests to initializing with collapsed range at start of a text node.
   */
  range = document.createRange();
  range.collapse(document.body.firstChild.firstChild, 0);
  description = "Initialized with range collapsed at start of text node:";
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null even after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true even after calling first()`);

  /**
   * Tests to initializing with collapsed range at start of a text node.
   */
  description = "Initialized with a position at start of text node:";
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         document.body.firstChild.firstChild, 0, document.body.firstChild.firstChild, 0);
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null even after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true even after calling first()`);

  /**
   * Tests to initializing with collapsed range at end of a text node.
   */
  range = document.createRange();
  range.collapse(document.body.firstChild.firstChild, document.body.firstChild.firstChild.length);
  description = "Initialized with range collapsed at end of text node:";
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null even after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true even after calling first()`);

  /**
   * Tests to initializing with collapsed range at end of a text node.
   */
  description = "Initialized with a position at end of text node:";
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         document.body.firstChild.firstChild, document.body.firstChild.firstChild.length,
                         document.body.firstChild.firstChild, document.body.firstChild.firstChild.length);
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null even after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true even after calling first()`);

  /**
   * Tests to initializing with collapsed range at middle of a text node.
   */
  range = document.createRange();
  range.collapse(document.body.firstChild.firstChild, document.body.firstChild.firstChild.length / 2);
  description = "Initialized with range collapsed at end of text node:";
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null even after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true even after calling first()`);

  /**
   * Tests to initializing with collapsed range at middle of a text node.
   */
  description = "Initialized with a position at end of text node:";
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         document.body.firstChild.firstChild, document.body.firstChild.firstChild.length / 2,
                         document.body.firstChild.firstChild, document.body.firstChild.firstChild.length / 2);
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null even after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true even after calling first()`);

  /**
   * Tests to initializing with a range selecting all text in a text node.
   */
  range = document.createRange();
  range.setStart(document.body.firstChild.firstChild, 0);
  range.setEnd(document.body.firstChild.firstChild, document.body.firstChild.firstChild.length);
  description = "Initialized with range selecting all text in text node:";
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null even after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true even after calling first()`);

  /**
   * Tests to initializing with positions selecting all text in a text node.
   */
  description = "Initialized with positions selecting all text in text node:";
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         document.body.firstChild.firstChild, 0,
                         document.body.firstChild.firstChild, document.body.firstChild.firstChild.length);
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null immediately after initialization (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true immediately after initialization`);

  iter.first();
  is(SpecialPowers.unwrap(iter.currentNode), null,
    `${description} currentNode should be null even after calling first() (got: ${getNodeDescription(iter.currentNode)})`);
  ok(iter.isDone, `${description} isDone should be true even after calling first()`);

  /**
   * Basic tests with complicated tree.
   */
  function check(aIter, aExpectedResult, aDescription) {
    if (aExpectedResult.length) {
      is(SpecialPowers.unwrap(aIter.currentNode), aExpectedResult[0],
        `${aDescription}: currentNode should be the text node immediately after initialization (got: ${getNodeDescription(aIter.currentNode)}, expected: ${getNodeDescription(aExpectedResult[0])})`);
      ok(!aIter.isDone, `${aDescription}: isDone shouldn't be true immediately after initialization`);

      aIter.first();
      is(SpecialPowers.unwrap(aIter.currentNode), aExpectedResult[0],
        `${aDescription}: currentNode should be the text node after calling first() (got: ${getNodeDescription(aIter.currentNode)}, expected: ${getNodeDescription(aExpectedResult[0])})`);
      ok(!aIter.isDone, `${aDescription}: isDone shouldn't be true after calling first()`);

      for (let expected of aExpectedResult) {
        is(SpecialPowers.unwrap(aIter.currentNode), expected,
          `${aDescription}: currentNode should be the node (got: ${getNodeDescription(aIter.currentNode)}, expected: ${getNodeDescription(expected)})`);
        ok(!aIter.isDone, `${aDescription}: isDone shouldn't be true when ${getNodeDescription(expected)} is expected`);
        aIter.next();
      }

      is(SpecialPowers.unwrap(aIter.currentNode), null,
        `${aDescription}: currentNode should be null after calling next() finally (got: ${getNodeDescription(aIter.currentNode)}`);
      ok(aIter.isDone, `${aDescription}: isDone should be true after calling next() finally`);
    } else {
      is(SpecialPowers.unwrap(aIter.currentNode), null,
        `${aDescription}: currentNode should be null immediately after initialization (got: ${getNodeDescription(aIter.currentNode)})`);
      ok(aIter.isDone, `${aDescription}: isDone should be true immediately after initialization`);

      aIter.first();
      is(SpecialPowers.unwrap(aIter.currentNode), null,
        `${aDescription}: currentNode should be null after calling first() (got: ${getNodeDescription(aIter.currentNode)})`);
      ok(aIter.isDone, `${aDescription}: isDone should be true after calling first()`);
    }
  }

  document.body.innerHTML = "

" +
"Here is bold and underlined and italic or no style text.
" +
"

" +
"

" +
                              "Here is an <input> element: text\" value=\"default value\">
\n" +
                              "and a <textarea> element: text area's text node

\n" +
                              "" +
                            "

";

  /**
   * Selects the <body> with a range.
   */
  range = document.createRange();
  range.selectNode(document.body);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [document.body], "Initialized with range selecting the ");

  /**
   * Selects the <body> with positions.
   */
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset, range.endContainer, range.endOffset);
  check(iter, [document.body], "Initialized with positions selecting the ");

  /**
   * Selects all children in the <body> with a range.
   */
  range = document.createRange();
  range.selectNodeContents(document.body);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter,
        [document.body.firstChild, // first <p>
         document.body.firstChild.nextSibling], // second <p>
        "Initialized with range selecting all children in the ");

  /**
   * Selects all children in the <body> with positions.
   */
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset, range.endContainer, range.endOffset);
  check(iter,
        [document.body.firstChild, // first <p>
         document.body.firstChild.nextSibling], // second <p>
        "Initialized with positions selecting all children in the ");

  /**
   * range/positions around elements.
   */
  document.body.innerHTML = "abcdefghijkl";
  range = document.createRange();

  range.setStart(document.body.firstChild, 0);
  range.setEnd(document.body.firstChild.nextSibling.firstChild, 2);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting '[abcde]f'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting '[abcde]f'");

  range.setStart(document.body.firstChild, 2);
  range.setEnd(document.body.firstChild.nextSibling.firstChild, 2);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter,[], "Initialized with range selecting 'ab[cde]f'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting 'ab[cde]f'");

  range.setStart(document.body.firstChild, 3);
  range.setEnd(document.body.firstChild.nextSibling.firstChild, 2);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting 'abc[de]f'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting 'abc[de]f'");

  range.setStart(document.body, 1);
  range.setEnd(document.body.firstChild.nextSibling.firstChild, 2);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting 'abc{de]f'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting 'abc{de]f'");

  range.setStart(document.body.firstChild.nextSibling, 0);
  range.setEnd(document.body.firstChild.nextSibling.firstChild, 2);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting '{de]f'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting '{de]f'");

  range.setStart(document.body.firstChild.nextSibling, 0);
  range.setEnd(document.body.firstChild.nextSibling.firstChild, 3);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting '{def]'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting '{def]'");

  range.setStart(document.body.firstChild.nextSibling, 0);
  range.setEnd(document.body.firstChild.nextSibling, 1);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter,
        [document.body.firstChild.nextSibling.firstChild], // text in <b>
        "Initialized with range selecting '{def}'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter,
        [document.body.firstChild.nextSibling.firstChild], // text in <b>
        "Initialized with positions selecting '{def}'");

  range.setStart(document.body.firstChild.nextSibling, 0);
  range.setEnd(document.body, 2);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter,
        [document.body.firstChild.nextSibling.firstChild], // text in <b>
       "Initialized with range selecting '{def}ghi'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter,
        [document.body.firstChild.nextSibling.firstChild], // text in <b>
        "Initialized with positions selecting '{def}ghi'");

  range.setStart(document.body.firstChild.nextSibling.firstChild, 3);
  range.setEnd(document.body, 2);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting 'def[}ghi'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting 'def[}ghi'");

  range.setStart(document.body.firstChild.nextSibling, 1);
  range.setEnd(document.body, 2);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting 'def{}ghi'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting 'def{}ghi'");

  range.setStart(document.body.firstChild.nextSibling, 1);
  range.setEnd(document.body.firstChild.nextSibling.nextSibling, 0);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting 'def{}ghi'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting 'def{}ghi'");

  range.setStart(document.body.firstChild.nextSibling, 1);
  range.setEnd(document.body.firstChild.nextSibling.nextSibling.firstChild, 0);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting 'def{]ghi'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting 'def{]ghi'");

  range.setStart(document.body.firstChild.nextSibling.nextSibling, 0);
  range.setEnd(document.body, 3);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter,
        [document.body.firstChild.nextSibling.nextSibling.firstChild], // text in <i>
        "Initialized with range selecting '{ghi}jkl'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter,
        [document.body.firstChild.nextSibling.nextSibling.firstChild], // text in <i>
        "Initialized with positions selecting '{ghi}jkl'");

  range.setStart(document.body.firstChild.nextSibling.nextSibling.firstChild, 3);
  range.setEnd(document.body, 3);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting 'ghi[}jkl'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting 'ghi[}jkl'");

  range.setStart(document.body.firstChild.nextSibling.nextSibling, 1);
  range.setEnd(document.body, 3);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting 'ghi{}jkl'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting 'ghi{}jkl'");

  range.setStart(document.body.firstChild.nextSibling.nextSibling, 1);
  range.setEnd(document.body.firstChild.nextSibling.nextSibling.nextSibling, 0);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting 'ghi{]jkl'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting 'ghi{]jkl'");

  /**
   * range/positions around <br> elements.
   */
  document.body.innerHTML = "abc
def";
  range = document.createRange();
  range.setStart(document.body.firstChild, 3);
  range.setEnd(document.body.firstChild.nextSibling.nextSibling, 0);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter,
        [document.body.firstChild.nextSibling], // <br>
        "Initialized with range selecting 'abc[
]def'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter,
        [document.body.firstChild.nextSibling], // <br>
        "Initialized with positions selecting 'abc[
]def'");

  range.setStart(document.body, 1);
  range.setEnd(document.body.firstChild.nextSibling.nextSibling, 0);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter,
        [document.body.firstChild.nextSibling], // <br>
        "Initialized with range selecting 'abc{
]def'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter,
        [document.body.firstChild.nextSibling], // <br>
        "Initialized with positions selecting 'abc{
]def'");

  range.setStart(document.body.firstChild.nextSibling, 0);
  range.setEnd(document.body.firstChild.nextSibling.nextSibling, 0);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting 'abc{
]def' (starting in
)");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting 'abc{
]def' (starting in
)");

  range.setStart(document.body, 1);
  range.setEnd(document.body, 2);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter,
        [document.body.firstChild.nextSibling], // <br>
        "Initialized with range selecting 'abc{
}def'");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter,
        [document.body.firstChild.nextSibling], // <br>
        "Initialized with positions selecting 'abc{
}def'");

  range.setStart(document.body.firstChild, 3);
  range.setEnd(document.body.firstChild.nextSibling, 0);
  iter.initWithRange(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR, range);
  check(iter, [], "Initialized with range selecting 'abc[}
def' (ending in
)");
  iter.initWithPositions(Ci.nsIScriptableContentIterator.SUBTREE_ITERATOR,
                         range.startContainer, range.startOffset,
                         range.endContainer, range.endOffset);
  check(iter, [], "Initialized with positions selecting 'abc[}
def' (ending in
)");

  finish();
});
</script>
</head>
<body></body>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.28 Sekunden (vorverarbeitet) ¤

*© Formatika GbR, Deutschland

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.