The Tor Browser: content/test/unit/test_xml_serializer.js@97036ab72558 (annotated)

content/test/unit/test_xml_serializer.js@97036ab72558 (annotated)

content/test/unit/test_xml_serializer.js

Tue, 06 Jan 2015 21:39:09 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Tue, 06 Jan 2015 21:39:09 +0100
branch: TOR_BUG_9701
changeset 8: 97036ab72558
permissions: -rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 // The xml serializer uses the default line break of the plateform.
 // So we need to know the value of this default line break, in order
 // to build correctly the reference strings for tests.
 // This variable will contain this value.
 var LB;
 function run_test() {
   if(("@mozilla.org/windows-registry-key;1" in C) || ("nsILocalFileOS2" in I))
     LB = "\r\n";
   else
     LB = "\n";
   for (var i = 0; i < tests.length && tests[i]; ++i) {
     tests[i].call();
   }
 }
 var tests = [
   test1,
   test2,
   test3,
   test4,
   test5,
   test6,
   test7,
   test8,
   test9,
   test10,
   null
 ];
 function testString(str) {
   do_check_eq(roundtrip(str), str);
 }
 function test1() {
   // Basic round-tripping which we expect to hand back the same text
   // as we passed in (not strictly required for correctness in some of
   // those cases, but best for readability of serializer output)
   testString('<root/>');
   testString('<root><child/></root>');
   testString('<root xmlns=""/>');
   testString('<root xml:lang="en"/>');
   testString('<root xmlns="ns1"><child xmlns="ns2"/></root>')
   testString('<root xmlns="ns1"><child xmlns=""/></root>')
   testString('<a:root xmlns:a="ns1"><child/></a:root>')
   testString('<a:root xmlns:a="ns1"><a:child/></a:root>')
   testString('<a:root xmlns:a="ns1"><b:child xmlns:b="ns1"/></a:root>')
   testString('<a:root xmlns:a="ns1"><a:child xmlns:a="ns2"/></a:root>')
   testString('<a:root xmlns:a="ns1"><b:child xmlns:b="ns1" b:attr=""/></a:root>')
 }
 function test2() {
   // Test setting of "xmlns" attribute in the null namespace
   // XXXbz are these tests needed?  What should happen here?  These
   // may be bogus.
   // Setting random "xmlns" attribute
   var doc = ParseXML('<root xmlns="ns1"/>');
   doc.documentElement.setAttribute("xmlns", "ns2");
   do_check_serialize(doc);
 }
 function test3() {
   // Test basic appending of kids.  Again, we're making assumptions
   // about how our serializer will serialize simple DOMs.
   var doc = ParseXML('<root xmlns="ns1"/>');
   var root = doc.documentElement;
   var child = doc.createElementNS("ns2", "child");
   root.appendChild(child);
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
               '<root xmlns="ns1"><child xmlns="ns2"/></root>');
   doc = ParseXML('<root xmlns="ns1"/>');
   root = doc.documentElement;
   child = doc.createElementNS("ns2", "prefix:child");
   root.appendChild(child);
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
               '<root xmlns="ns1"><prefix:child xmlns:prefix="ns2"/></root>');
   doc = ParseXML('<prefix:root xmlns:prefix="ns1"/>');
   root = doc.documentElement;
   child = doc.createElementNS("ns2", "prefix:child");
   root.appendChild(child);
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
               '<prefix:root xmlns:prefix="ns1"><a0:child xmlns:a0="ns2"/>'+
               '</prefix:root>');
 }
 function test4() {
   // setAttributeNS tests
   var doc = ParseXML('<root xmlns="ns1"/>');
   var root = doc.documentElement;
   root.setAttributeNS("ns1", "prefix:local", "val");
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
               '<root xmlns="ns1" prefix:local="val" xmlns:prefix="ns1"/>');
   doc = ParseXML('<prefix:root xmlns:prefix="ns1"/>');
   root = doc.documentElement;
   root.setAttributeNS("ns1", "local", "val");
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
               '<prefix:root xmlns:prefix="ns1" prefix:local="val"/>');
   doc = ParseXML('<root xmlns="ns1"/>');
   root = doc.documentElement;
   root.setAttributeNS("ns2", "local", "val");
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
               '<root xmlns="ns1" a0:local="val" xmlns:a0="ns2"/>');
   // Handling of prefix-generation for non-null-namespace attributes
   // which have the same namespace as the current default namespace
   // (bug 301260).
   doc = ParseXML('<root xmlns="ns1"/>');
   root = doc.documentElement;
   root.setAttributeNS("ns1", "local", "val");
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
                 '<root xmlns="ns1" a0:local="val" xmlns:a0="ns1"/>');
   // Tree-walking test
   doc = ParseXML('<root xmlns="ns1" xmlns:a="ns2">'+
                  '<child xmlns:b="ns2" xmlns:a="ns3">'+
                  '<child2/></child></root>');
   root = doc.documentElement;
   // Have to QI here -- no classinfo flattening in xpcshell, apparently
   var node = root.firstChild.firstChild.QueryInterface(nsIDOMElement);
   node.setAttributeNS("ns4", "l1", "v1");
   node.setAttributeNS("ns4", "p2:l2", "v2");
   node.setAttributeNS("", "l3", "v3");
   node.setAttributeNS("ns3", "l4", "v4");
   node.setAttributeNS("ns3", "p5:l5", "v5");
   node.setAttributeNS("ns3", "a:l6", "v6");
   node.setAttributeNS("ns2", "l7", "v7");
   node.setAttributeNS("ns2", "p8:l8", "v8");
   node.setAttributeNS("ns2", "b:l9", "v9");
   node.setAttributeNS("ns2", "a:l10", "v10");
   node.setAttributeNS("ns1", "a:l11", "v11");
   node.setAttributeNS("ns1", "b:l12", "v12");
   node.setAttributeNS("ns1", "l13", "v13");
   do_check_serialize(doc);
   //  Note: we end up with "a2" as the prefix on "l11" and "l12" because we use
   //  "a1" earlier, and discard it in favor of something we get off the
   //  namespace stack, apparently
   do_check_eq(SerializeXML(doc),
               '<root xmlns="ns1" xmlns:a="ns2">'+
               '<child xmlns:b="ns2" xmlns:a="ns3">'+
               '<child2 a0:l1="v1" xmlns:a0="ns4"' +
               ' a0:l2="v2"' +
               ' l3="v3"' +
               ' a:l4="v4"' +
               ' a:l5="v5"' +
               ' a:l6="v6"' +
               ' b:l7="v7"' +
               ' b:l8="v8"' +
               ' b:l9="v9"' +
               ' b:l10="v10"' +
               ' a2:l11="v11" xmlns:a2="ns1"' +
               ' a2:l12="v12"' +
               ' a2:l13="v13"/></child></root>');
 }
 function test5() {
   // Handling of kids in the null namespace when the default is a
   // different namespace (bug 301260).
   var doc = ParseXML('<root xmlns="ns1"/>')
   var child = doc.createElement('child');
   doc.documentElement.appendChild(child);
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
               '<root xmlns="ns1"><child xmlns=""/></root>');
 }
 function test6() {
   // Handling of not using a namespace prefix (or default namespace!)
   // that's not bound to our namespace in our scope (bug 301260).
   var doc = ParseXML('<prefix:root xmlns:prefix="ns1"/>');
   var root = doc.documentElement;
   var child1 = doc.createElementNS("ns2", "prefix:child1");
   var child2 = doc.createElementNS("ns1", "prefix:child2");
   child1.appendChild(child2);
   root.appendChild(child1);
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
               '<prefix:root xmlns:prefix="ns1"><a0:child1 xmlns:a0="ns2">'+
               '<prefix:child2/></a0:child1></prefix:root>');
   doc = ParseXML('<root xmlns="ns1"><prefix:child1 xmlns:prefix="ns2"/></root>');
   root = doc.documentElement;
   child1 = root.firstChild;
   child2 = doc.createElementNS("ns1", "prefix:child2");
   child1.appendChild(child2);
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
               '<root xmlns="ns1"><prefix:child1 xmlns:prefix="ns2">'+
               '<child2/></prefix:child1></root>');
   doc = ParseXML('<prefix:root xmlns:prefix="ns1">'+
                  '<prefix:child1 xmlns:prefix="ns2"/></prefix:root>');
   root = doc.documentElement;
   child1 = root.firstChild;
   child2 = doc.createElementNS("ns1", "prefix:child2");
   child1.appendChild(child2);
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
               '<prefix:root xmlns:prefix="ns1"><prefix:child1 xmlns:prefix="ns2">'+
               '<a0:child2 xmlns:a0="ns1"/></prefix:child1></prefix:root>');
   doc = ParseXML('<root xmlns="ns1"/>');
   root = doc.documentElement;
   child1 = doc.createElementNS("ns2", "child1");
   child2 = doc.createElementNS("ns1", "child2");
   child1.appendChild(child2);
   root.appendChild(child1);
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
                 '<root xmlns="ns1"><child1 xmlns="ns2"><child2 xmlns="ns1"/>'+
                 '</child1></root>');
 }
 function test7() {
   // Handle xmlns attribute declaring a default namespace on a non-namespaced
   // element (bug 326994).
   var doc = ParseXML('<root xmlns=""/>')
   var root = doc.documentElement;
   root.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns",
                       "http://www.w3.org/1999/xhtml");
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc), '<root/>');
   doc = ParseXML('<root xmlns=""><child1/></root>')
   root = doc.documentElement;
   root.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns",
                       "http://www.w3.org/1999/xhtml");
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc), '<root><child1/></root>');
   doc = ParseXML('<root xmlns="http://www.w3.org/1999/xhtml">' +
                  '<child1 xmlns=""><child2/></child1></root>')
   root = doc.documentElement;
   // No interface flattening in xpcshell
   var child1 = root.firstChild.QueryInterface(nsIDOMElement);
   child1.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns",
                         "http://www.w3.org/1999/xhtml");
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
               '<root xmlns="http://www.w3.org/1999/xhtml"><child1 xmlns="">' +
               '<child2/></child1></root>');
   doc = ParseXML('<root xmlns="http://www.w3.org/1999/xhtml">' +
                  '<child1 xmlns="">' +
                  '<child2 xmlns="http://www.w3.org/1999/xhtml"></child2>' +
                  '</child1></root>')
   root = doc.documentElement;
   // No interface flattening in xpcshell
   child1 = root.firstChild.QueryInterface(nsIDOMElement);
   var child2 = child1.firstChild.QueryInterface(nsIDOMElement);
   child1.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns",
                         "http://www.w3.org/1999/xhtml");
   child2.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns", "");
   do_check_serialize(doc);
   do_check_eq(SerializeXML(doc),
               '<root xmlns="http://www.w3.org/1999/xhtml"><child1 xmlns="">' +
               '<a0:child2 xmlns:a0="http://www.w3.org/1999/xhtml" xmlns=""></a0:child2></child1></root>');
 }
 function test8() {
   // Test behavior of serializing with a given charset.
   var str1 = '<?xml version="1.0" encoding="ISO-8859-1"?>'+LB+'<root/>';
   var str2 = '<?xml version="1.0" encoding="UTF8"?>'+LB+'<root/>';
   var doc1 = ParseXML(str1);
   var doc2 = ParseXML(str2);
   var p = Pipe();
   DOMSerializer().serializeToStream(doc1, p.outputStream, "ISO-8859-1");
   p.outputStream.close();
   do_check_eq(ScriptableInput(p).read(-1), str1);
   p = Pipe();
   DOMSerializer().serializeToStream(doc2, p.outputStream, "ISO-8859-1");
   p.outputStream.close();
   do_check_eq(ScriptableInput(p).read(-1), str1);
   p = Pipe();
   DOMSerializer().serializeToStream(doc1, p.outputStream, "UTF8");
   p.outputStream.close();
   do_check_eq(ScriptableInput(p).read(-1), str2);
   p = Pipe();
   DOMSerializer().serializeToStream(doc2, p.outputStream, "UTF8");
   p.outputStream.close();
   do_check_eq(ScriptableInput(p).read(-1), str2);
 }
 function test9() {
   // Test behavior of serializing between given charsets, using
   // ISO-8859-1-representable text.
   var contents = '<root>' +
                    '\u00BD + \u00BE == \u00BD\u00B2 + \u00BC + \u00BE' +
                  '</root>';
   var str1 = '<?xml version="1.0" encoding="ISO-8859-1"?>'+ LB + contents;
   var str2 = '<?xml version="1.0" encoding="UTF8"?>'+ LB + contents;
   var str3 = '<?xml version="1.0" encoding="UTF-16"?>'+ LB + contents;
   var doc1 = ParseXML(str1);
   var doc2 = ParseXML(str2);
   var doc3 = ParseXML(str3);
   checkSerialization(doc1, "ISO-8859-1", str1);
   checkSerialization(doc2, "ISO-8859-1", str1);
   checkSerialization(doc3, "ISO-8859-1", str1);
   checkSerialization(doc1, "UTF8", str2);
   checkSerialization(doc2, "UTF8", str2);
   checkSerialization(doc3, "UTF8", str2);
   checkSerialization(doc1, "UTF-16", str3);
   checkSerialization(doc2, "UTF-16", str3);
   checkSerialization(doc3, "UTF-16", str3);
 }
 function test10() {
   // Test behavior of serializing between given charsets, using
   // Unicode characters (XXX but only BMP ones because I don't know
   // how to create one with non-BMP characters, either with JS strings
   // or using DOM APIs).
   var contents = '<root>' +
                    'AZaz09 \u007F ' +               // U+000000 to U+00007F
                    '\u0080 \u0398 \u03BB \u0725 ' + // U+000080 to U+0007FF
                    '\u0964 \u0F5F \u20AC \uFFFB' +  // U+000800 to U+00FFFF
                  '</root>';
   var str1 = '<?xml version="1.0" encoding="UTF8"?>'+ LB + contents;
   var str2 = '<?xml version="1.0" encoding="UTF-16"?>'+ LB + contents;
   var doc1 = ParseXML(str1);
   var doc2 = ParseXML(str2);
   checkSerialization(doc1, "UTF8", str1);
   checkSerialization(doc2, "UTF8", str1);
   checkSerialization(doc1, "UTF-16", str2);
   checkSerialization(doc2, "UTF-16", str2);
 }
 function checkSerialization(doc, toCharset, expectedString) {
   var p = Pipe();
   DOMSerializer().serializeToStream(doc, p.outputStream, toCharset);
   p.outputStream.close();
   var cin = C["@mozilla.org/intl/converter-input-stream;1"]
              .createInstance(I.nsIConverterInputStream);
   cin.init(p.inputStream, toCharset, 1024, 0x0);
   // compare the first expectedString.length characters for equality
   var outString = {};
   var count = cin.readString(expectedString.length, outString);
   do_check_true(count == expectedString.length);
   do_check_true(outString.value == expectedString);
   // if there's anything more in the stream, it's a bug
   do_check_eq(0, cin.readString(1, outString));
   do_check_eq(outString.value, "");
 }