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Diffstat (limited to 'dom/base/test/test_content_iterator_post_order.html')
| -rw-r--r-- | dom/base/test/test_content_iterator_post_order.html | 875 |
1 files changed, 875 insertions, 0 deletions
diff --git a/dom/base/test/test_content_iterator_post_order.html b/dom/base/test/test_content_iterator_post_order.html new file mode 100644 index 0000000000..cdd6f748e2 --- /dev/null +++ b/dom/base/test/test_content_iterator_post_order.html @@ -0,0 +1,875 @@ +<!DOCTYPE html> +<html> +<head> + <meta charset="utf-8"> + <title>Test for post-order content 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 = '<div id="display"></div><div id="content"></div><pre id="test"></pre>'; + 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, "${aNode.data.replace(/\n/g, '\\n')}"`; + case aNode.ELEMENT_NODE: + return getElementDescription(SpecialPowers.unwrap(aNode)); + default: + return "unknown node"; + } +} + +SimpleTest.waitForExplicitFinish(); +SimpleTest.waitForFocus(function () { + let iter = createContentIterator(); + + /** + * Basic behavior tests of first(), last(), prev() and next() after initialized with an empty element. + */ + document.body.innerHTML = "<div></div>"; + let description = "Initialized with empty <div> as root node:"; + iter.initWithRootNode(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, document.body.firstChild); + is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild, + `${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 a range which selects empty element. + */ + let range = document.createRange(); + range.selectNode(document.body.firstChild); + description = "Initialized with range including only empty <div>:"; + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_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 <div>:"; + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_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 <div>:"; + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_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 <div>:"; + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_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 the text element. + */ + document.body.innerHTML = "<div>some text.</div>"; + description = "Initialized with a text node as root node:"; + iter.initWithRootNode(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, document.body.firstChild.firstChild); + 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 the text node 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(), last(), prev() and next() after initialized with a range which selects the text node. + */ + range = document.createRange(); + range.selectNode(document.body.firstChild.firstChild); + description = "Initialized with range including only text node:"; + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_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.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + 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.next(); + is(SpecialPowers.unwrap(iter.currentNode), document.body.firstChild, + `${description} currentNode should be the <div> element after calling next() from first position (got: ${getNodeDescription(iter.currentNode)})`); + ok(!iter.isDone, `${description} isDone shouldn't be true after calling next() from first position`); + + iter.next(); + is(SpecialPowers.unwrap(iter.currentNode), null, + `${description} currentNode should be null after calling next() from second position (got: ${getNodeDescription(iter.currentNode)})`); + ok(iter.isDone, `${description} isDone should be true after calling next() from second 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.POST_ORDER_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. + * XXX In this case, content iterator lists up the text node. Not sure if this is intentional difference + * from initWithRange(). + */ + description = "Initialized with a position at start of text node:"; + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + document.body.firstChild.firstChild, 0, document.body.firstChild.firstChild, 0); + 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.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 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.POST_ORDER_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. + * XXX In this case, content iterator lists up the text node. Not sure if this is intentional difference + * from initWithRange(). + */ + description = "Initialized with a position at end of text node:"; + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + document.body.firstChild.firstChild, document.body.firstChild.firstChild.length, + document.body.firstChild.firstChild, document.body.firstChild.firstChild.length); + 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.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 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.POST_ORDER_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. + * XXX In this case, content iterator lists up the text node. Not sure if this is intentional difference + * from initWithRange(). + */ + description = "Initialized with a position at end of text node:"; + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_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), 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.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 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.POST_ORDER_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.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 positions selecting all text in a text node. + */ + description = "Initialized with positions selecting all text in text node:"; + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + document.body.firstChild.firstChild, 0, + document.body.firstChild.firstChild, document.body.firstChild.firstChild.length); + 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.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 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 = "<p>" + + "Here is <b>bold</b> and <i><u>underlined and </u>italic </i><span>or no style text.</span><br>" + + "</p>" + + "<p>" + + "Here is an <input> element: <input type=\"text\" value=\"default value\"><br>\n" + + "and a <textarea> element: <textarea>text area's text node</textarea><br><br>\n" + + "<!-- and here is comment node -->" + + "</p>"; + + let expectedResult = + [document.body.firstChild.firstChild, // the first text node + document.body.firstChild.firstChild.nextSibling.firstChild, // text in <b> + document.body.firstChild.firstChild.nextSibling, // <b> + document.body.firstChild.firstChild.nextSibling.nextSibling, // text next to <b> + document.body.firstChild.firstChild.nextSibling.nextSibling.nextSibling.firstChild.firstChild, // text in <u> + document.body.firstChild.firstChild.nextSibling.nextSibling.nextSibling.firstChild, // <u> + document.body.firstChild.firstChild.nextSibling.nextSibling.nextSibling.firstChild.nextSibling, // text next to <u> + document.body.firstChild.firstChild.nextSibling.nextSibling.nextSibling, // <i> + document.body.firstChild.firstChild.nextSibling.nextSibling.nextSibling.nextSibling.firstChild, // text in <span> + document.body.firstChild.firstChild.nextSibling.nextSibling.nextSibling.nextSibling, // <span> + document.body.firstChild.firstChild.nextSibling.nextSibling.nextSibling.nextSibling.nextSibling, // <br> next to <span> + document.body.firstChild, // first <p> + document.body.firstChild.nextSibling.firstChild, // the first text node in second <p> + document.body.firstChild.nextSibling.firstChild.nextSibling, // <input> + document.body.firstChild.nextSibling.firstChild.nextSibling.nextSibling, // <br> next to <input> + document.body.firstChild.nextSibling.firstChild.nextSibling.nextSibling.nextSibling, // text next to <input> + document.body.firstChild.nextSibling.firstChild.nextSibling.nextSibling.nextSibling.nextSibling.firstChild, // text in <textarea> + document.body.firstChild.nextSibling.firstChild.nextSibling.nextSibling.nextSibling.nextSibling, // <textarea> + document.body.firstChild.nextSibling.firstChild.nextSibling.nextSibling.nextSibling.nextSibling.nextSibling, // <br> next to <textarea> + document.body.firstChild.nextSibling.firstChild.nextSibling.nextSibling.nextSibling.nextSibling.nextSibling.nextSibling, // <br> next to <br> + document.body.firstChild.nextSibling.firstChild.nextSibling.nextSibling.nextSibling.nextSibling.nextSibling.nextSibling.nextSibling, // text next to <br> + document.body.firstChild.nextSibling.firstChild.nextSibling.nextSibling.nextSibling.nextSibling.nextSibling.nextSibling.nextSibling.nextSibling, // comment + document.body.firstChild.nextSibling, // second <p> + document.body]; // <body> + + iter.initWithRootNode(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, document.body); + check(iter, expectedResult, "Initialized with the <body> as root element:"); + + /** + * Selects the <body> with a range. + */ + range = document.createRange(); + range.selectNode(document.body); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, expectedResult, "Initialized with range selecting the <body>"); + + /** + * Selects the <body> with positions. + */ + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, range.endContainer, range.endOffset); + check(iter, expectedResult, "Initialized with positions selecting the <body>"); + + /** + * Selects all children in the <body> with a range. + */ + expectedResult.pop(); // <body> shouldn't be listed up. + range = document.createRange(); + range.selectNodeContents(document.body); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, expectedResult, "Initialized with range selecting all children in the <body>"); + + /** + * Selects all children in the <body> with positions. + */ + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, range.endContainer, range.endOffset); + check(iter, expectedResult, "Initialized with positions selecting all children in the <body>"); + + /** + * range/positions around elements. + */ + document.body.innerHTML = "abc<b>def</b><i>ghi</i>jkl"; + range = document.createRange(); + + range.setStart(document.body.firstChild, 0); + range.setEnd(document.body.firstChild.nextSibling.firstChild, 2); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild, // text before <b> + document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with range selecting '[abc<b>de]f'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild, // text before <b> + document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with positions selecting '[abc<b>de]f'"); + + range.setStart(document.body.firstChild, 2); + range.setEnd(document.body.firstChild.nextSibling.firstChild, 2); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild, // text before <b> + document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with range selecting 'ab[c<b>de]f'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild, // text before <b> + document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with positions selecting 'ab[c<b>de]f'"); + + range.setStart(document.body.firstChild, 3); + range.setEnd(document.body.firstChild.nextSibling.firstChild, 2); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild, // text before <b> + document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with range selecting 'abc[<b>de]f'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild, // text before <b> + document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with positions selecting 'abc[<b>de]f'"); + + range.setStart(document.body, 1); + range.setEnd(document.body.firstChild.nextSibling.firstChild, 2); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with range selecting 'abc{<b>de]f'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with positions selecting 'abc{<b>de]f'"); + + range.setStart(document.body.firstChild.nextSibling, 0); + range.setEnd(document.body.firstChild.nextSibling.firstChild, 2); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with range selecting '<b>{de]f'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with positions selecting '<b>{de]f'"); + + range.setStart(document.body.firstChild.nextSibling, 0); + range.setEnd(document.body.firstChild.nextSibling.firstChild, 3); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with range selecting '<b>{def]</b>'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with positions selecting '<b>{def]</b>'"); + + range.setStart(document.body.firstChild.nextSibling, 0); + range.setEnd(document.body.firstChild.nextSibling, 1); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with range selecting '<b>{def}</b>'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling.firstChild], // text in <b> + "Initialized with positions selecting '<b>{def}</b>'"); + + range.setStart(document.body.firstChild.nextSibling, 0); + range.setEnd(document.body, 2); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling.firstChild, // text in <b> + document.body.firstChild.nextSibling], // <b> + "Initialized with range selecting '<b>{def</b>}<i>ghi'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling.firstChild, // text in <b> + document.body.firstChild.nextSibling], // <b> + "Initialized with positions selecting '<b>{def</b>}<i>ghi'"); + + range.setStart(document.body.firstChild.nextSibling.firstChild, 3); + range.setEnd(document.body, 2); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling.firstChild, // text in <b> + document.body.firstChild.nextSibling], // <b> + "Initialized with range selecting '<b>def[</b>}<i>ghi'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling.firstChild, // text in <b> + document.body.firstChild.nextSibling], // <b> + "Initialized with positions selecting '<b>def[</b>}<i>ghi'"); + + range.setStart(document.body.firstChild.nextSibling, 1); + range.setEnd(document.body, 2); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling], // <b> + "Initialized with range selecting '<b>def{</b>}<i>ghi'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling], // <b> + "Initialized with positions selecting '<b>def{</b>}<i>ghi'"); + + range.setStart(document.body.firstChild.nextSibling, 1); + range.setEnd(document.body.firstChild.nextSibling.nextSibling, 0); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling], // <b> + "Initialized with range selecting '<b>def{</b><i>}ghi'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling], // <b> + "Initialized with positions selecting '<b>def{</b><i>}ghi'"); + + range.setStart(document.body.firstChild.nextSibling, 1); + range.setEnd(document.body.firstChild.nextSibling.nextSibling.firstChild, 0); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling, // <b> + document.body.firstChild.nextSibling.nextSibling.firstChild], // text in <i> + "Initialized with range selecting '<b>def{</b><i>]ghi'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling, // <b> + document.body.firstChild.nextSibling.nextSibling.firstChild], // text in <i> + "Initialized with positions selecting '<b>def{</b><i>]ghi'"); + + range.setStart(document.body.firstChild.nextSibling.nextSibling, 0); + range.setEnd(document.body, 3); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling.nextSibling.firstChild, // text in <i> + document.body.firstChild.nextSibling.nextSibling], // <i> + "Initialized with range selecting '<i>{ghi</i>}jkl'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling.nextSibling.firstChild, // text in <i> + document.body.firstChild.nextSibling.nextSibling], // <i> + "Initialized with positions selecting '<i>{ghi</i>}jkl'"); + + range.setStart(document.body.firstChild.nextSibling.nextSibling.firstChild, 3); + range.setEnd(document.body, 3); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling.nextSibling.firstChild, // text in <i> + document.body.firstChild.nextSibling.nextSibling], // <i> + "Initialized with range selecting '<i>ghi[</i>}jkl'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling.nextSibling.firstChild, // text in <i> + document.body.firstChild.nextSibling.nextSibling], // <i> + "Initialized with positions selecting '<i>ghi[</i>}jkl'"); + + range.setStart(document.body.firstChild.nextSibling.nextSibling, 1); + range.setEnd(document.body, 3); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling.nextSibling], // <i> + "Initialized with range selecting '<i>ghi{</i>}jkl'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling.nextSibling], // <i> + "Initialized with positions selecting '<i>ghi{</i>}jkl'"); + + range.setStart(document.body.firstChild.nextSibling.nextSibling, 1); + range.setEnd(document.body.firstChild.nextSibling.nextSibling.nextSibling, 0); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling.nextSibling, // <i> + document.body.firstChild.nextSibling.nextSibling.nextSibling], // text after <i> + "Initialized with range selecting '<i>ghi{</i>]jkl'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling.nextSibling, // <i> + document.body.firstChild.nextSibling.nextSibling.nextSibling], // text after <i> + "Initialized with positions selecting '<i>ghi{</i>]jkl'"); + + /** + * range/positions around <br> elements. + */ + document.body.innerHTML = "abc<br>def"; + range = document.createRange(); + range.setStart(document.body.firstChild, 3); + range.setEnd(document.body.firstChild.nextSibling.nextSibling, 0); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild, // text before <br> + document.body.firstChild.nextSibling, // <br> + document.body.firstChild.nextSibling.nextSibling], // text after <br> + "Initialized with range selecting 'abc[<br>]def'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild, // text before <br> + document.body.firstChild.nextSibling, // <br> + document.body.firstChild.nextSibling.nextSibling], // text after <br> + "Initialized with positions selecting 'abc[<br>]def'"); + + range.setStart(document.body, 1); + range.setEnd(document.body.firstChild.nextSibling.nextSibling, 0); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling, // <br> + document.body.firstChild.nextSibling.nextSibling], // text after <br> + "Initialized with range selecting 'abc{<br>]def'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling, // <br> + document.body.firstChild.nextSibling.nextSibling], // text after <br> + "Initialized with positions selecting 'abc{<br>]def'"); + + range.setStart(document.body.firstChild.nextSibling, 0); + range.setEnd(document.body.firstChild.nextSibling.nextSibling, 0); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling, // <br> + document.body.firstChild.nextSibling.nextSibling], // text after <br> + "Initialized with range selecting 'abc{<br>]def' (starting in <br>)"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling, // <br> + document.body.firstChild.nextSibling.nextSibling], // text after <br> + "Initialized with positions selecting 'abc{<br>]def' (starting in <br>)"); + + range.setStart(document.body, 1); + range.setEnd(document.body, 2); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild.nextSibling], // <br> + "Initialized with range selecting 'abc{<br>}def'"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild.nextSibling], // <br> + "Initialized with positions selecting 'abc{<br>}def'"); + + range.setStart(document.body.firstChild, 3); + range.setEnd(document.body.firstChild.nextSibling, 0); + iter.initWithRange(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, range); + check(iter, + [document.body.firstChild], // text before <br> + "Initialized with range selecting 'abc[}<br>def' (ending in <br>)"); + iter.initWithPositions(Ci.nsIScriptableContentIterator.POST_ORDER_ITERATOR, + range.startContainer, range.startOffset, + range.endContainer, range.endOffset); + check(iter, + [document.body.firstChild], // text before <br> + "Initialized with positions selecting 'abc[}<br>def' (ending in <br>)"); + + finish(); +}); +</script> +</head> +<body></body> +</html> |