<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=628938 --> <head> <title>Test for Bug 628938</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=628938">Mozilla Bug 628938</a> <p id="display"></p> <foo id="content" style="display: none"> <div><div>foo</div></div> <span> bar </span> <div>tulip<span>bar</span></div> <span></span> <div>foo</div> <span></span> <div>bar</div> <span></span> <div>foobar</div> </foo> <pre id="test"> <script type="application/javascript"> /** Test for Bug 628938 **/ var gResults = []; var gIdx = 0; function walkTree(walker) { if(walker.firstChild()) { do { if (walker.currentNode.nodeType == Node.ELEMENT_NODE) { ok(gResults[gIdx][0], "current node should be an element"); is(walker.currentNode.nodeName, gResults[gIdx][1], "current node name should be " + gResults[gIdx][1]); } else { ok(!gResults[gIdx][0], "current node shouldn't be an element"); is(walker.currentNode.nodeValue, gResults[gIdx][1], "current node value should be " + gResults[gIdx][1]); } gIdx++; // Recursively walk the rest of the sub-tree. walkTree(walker); } while(walker.nextSibling()); // don't forget to return the treewalker to it's previous state // before exiting the function walker.parentNode(); } } function regularWalk() { gResults = [ [ false, "\n " ], [ true, "DIV" ], [ true, "DIV" ], [ false, "foo" ], [ false, "\n " ], [ true, "SPAN" ], [ false, " bar " ], [ false, "\n " ], [ true, "DIV" ], [ false, "tulip" ], [ true, "SPAN" ], [ false, "bar" ], [ false, "\n " ], [ true, "SPAN" ], [ false, "\n " ], [ true, "DIV" ], [ false, "foo" ], [ false, "\n " ], [ true, "SPAN" ], [ false, "\n " ], [ true, "DIV" ], [ false, "bar" ], [ false, "\n " ], [ true, "SPAN" ], [ false, "\n " ], [ true, "DIV" ], [ false, "foobar" ], [ false, "\n" ], ]; var walker = document.createTreeWalker(document.getElementById('content'), NodeFilter.SHOW_ALL, null); walkTree(walker); gIdx = 0; } function noWhiteSpaceWalk() { gResults = [ [ true, "DIV" ], [ true, "DIV" ], [ false, "foo" ], [ true, "SPAN" ], [ false, " bar " ], [ true, "DIV" ], [ false, "tulip" ], [ true, "SPAN" ], [ false, "bar" ], [ true, "SPAN" ], [ true, "DIV" ], [ false, "foo" ], [ true, "SPAN" ], [ true, "DIV" ], [ false, "bar" ], [ true, "SPAN" ], [ true, "DIV" ], [ false, "foobar" ], ]; var walker = document.createTreeWalker(document.getElementById('content'), NodeFilter.SHOW_ALL, { acceptNode : function(node) { if (node.nodeType == Node.TEXT_NODE && !(/[^\t\n\r ]/.test(node.nodeValue))) return NodeFilter.FILTER_REJECT; return NodeFilter.FILTER_ACCEPT; } }); walkTree(walker); gIdx = 0; } function onlyElementsWalk() { gResults = [ [ true, "DIV" ], [ true, "DIV" ], [ true, "SPAN" ], [ true, "DIV" ], [ true, "SPAN" ], [ true, "SPAN" ], [ true, "DIV" ], [ true, "SPAN" ], [ true, "DIV" ], [ true, "SPAN" ], [ true, "DIV" ], ]; var walker = document.createTreeWalker(document.getElementById('content'), NodeFilter.SHOW_ELEMENT, null); walkTree(walker); gIdx = 0; } function onlyDivSubTreeWalk() { gResults = [ [ true, "DIV" ], [ true, "DIV" ], [ false, "foo" ], [ true, "DIV" ], [ false, "tulip" ], [ true, "SPAN" ], [ false, "bar" ], [ true, "DIV" ], [ false, "foo" ], [ true, "DIV" ], [ false, "bar" ], [ true, "DIV" ], [ false, "foobar" ], ]; var walker = document.createTreeWalker(document.getElementById('content'), NodeFilter.SHOW_ALL, { acceptNode : function(node) { if (node.nodeType == Node.TEXT_NODE && !(/[^\t\n\r ]/.test(node.nodeValue))) return NodeFilter.FILTER_REJECT; while (node) { if (node.nodeName == "DIV") return NodeFilter.FILTER_ACCEPT; node = node.parentNode; } return NodeFilter.FILTER_SKIP; } }); walkTree(walker); gIdx = 0; } function onlyDivDataWalk() { gResults = [ [ true, "DIV" ], [ true, "DIV" ], [ false, "foo" ], [ true, "DIV" ], [ false, "tulip" ], [ true, "SPAN" ], [ true, "DIV" ], [ false, "foo" ], [ true, "DIV" ], [ false, "bar" ], [ true, "DIV" ], [ false, "foobar" ], ]; var walker = document.createTreeWalker(document.getElementById('content'), NodeFilter.SHOW_ALL, { acceptNode : function(node) { if (node.nodeName == "DIV" || (node.parentNode && node.parentNode.nodeName == "DIV")) return NodeFilter.FILTER_ACCEPT; return NodeFilter.FILTER_SKIP; } }); walkTree(walker); gIdx = 0; } regularWalk(); noWhiteSpaceWalk(); onlyElementsWalk(); onlyDivSubTreeWalk(); onlyDivDataWalk(); </script> </pre> </body> </html>