summaryrefslogtreecommitdiffstats
path: root/dom/base/test/unit/head_xml.js
blob: 3d445b7484060552d74e72544501f6744e9fe4b5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

const I                    = Components.interfaces;
const C                    = Components.classes;

const nsILocalFile         = I.nsILocalFile;
const nsIProperties        = I.nsIProperties;
const nsIFileInputStream   = I.nsIFileInputStream;
const nsIInputStream       = I.nsIInputStream;

const nsIDOMParser         = I.nsIDOMParser;
const nsIDOMSerializer     = I.nsIDOMSerializer;
const nsIDOMDocument       = I.nsIDOMDocument;
const nsIDOMElement        = I.nsIDOMElement;
const nsIDOMNode           = I.nsIDOMNode;
const nsIDOMCharacterData  = I.nsIDOMCharacterData;
const nsIDOMAttr           = I.nsIDOMAttr;
const nsIDOMNodeList       = I.nsIDOMNodeList;
const nsIDOMXULElement     = I.nsIDOMXULElement;
const nsIDOMProcessingInstruction = I.nsIDOMProcessingInstruction;

function DOMParser() {
  var parser = C["@mozilla.org/xmlextras/domparser;1"].createInstance(nsIDOMParser);
  parser.init();
  return parser;
}

var __testsDirectory = null;

function ParseFile(file) {
  if (typeof(file) == "string") {
    if (!__testsDirectory) {
      __testsDirectory = do_get_cwd();
    }
    var fileObj = __testsDirectory.clone();
    fileObj.append(file);
    file = fileObj;
  }

  do_check_eq(file instanceof nsILocalFile, true);

  var fileStr = C["@mozilla.org/network/file-input-stream;1"]
                 .createInstance(nsIFileInputStream);
  // Init for readonly reading
  fileStr.init(file,  0x01, 0o400, nsIFileInputStream.CLOSE_ON_EOF);
  return ParseXML(fileStr);
}

function ParseXML(data) {
  if (typeof(data) == "string") {
    return DOMParser().parseFromString(data, "application/xml");
  }

  do_check_eq(data instanceof nsIInputStream, true);
  
  return DOMParser().parseFromStream(data, "UTF-8", data.available(),
                                     "application/xml");
}

function DOMSerializer() {
  return C["@mozilla.org/xmlextras/xmlserializer;1"]
          .createInstance(nsIDOMSerializer);
}

function SerializeXML(node) {
  return DOMSerializer().serializeToString(node);
}

function roundtrip(obj) {
  if (typeof(obj) == "string") {
    return SerializeXML(ParseXML(obj));
  }

  do_check_eq(obj instanceof nsIDOMNode, true);
  return ParseXML(SerializeXML(obj));
}

function do_compare_attrs(e1, e2) {
  const xmlns = "http://www.w3.org/2000/xmlns/";

  var a1 = e1.attributes;
  var a2 = e2.attributes;
  for (var i = 0; i < a1.length; ++i) {
    var att = a1.item(i);
    // Don't test for namespace decls, since those can just sorta be
    // scattered about
    if (att.namespaceURI != xmlns) {
      var att2 = a2.getNamedItemNS(att.namespaceURI, att.localName);
      if (!att2) {
        do_throw("Missing attribute with namespaceURI '" + att.namespaceURI +
                 "' and localName '" + att.localName + "'");
      }
      do_check_eq(att.QueryInterface(nsIDOMAttr).value, 
                  att2.QueryInterface(nsIDOMAttr).value);
    }
  }
}

function do_check_equiv(dom1, dom2) {
  do_check_eq(dom1.nodeType, dom2.nodeType);
  // There's no classinfo around, so we'll need to do some QIing to
  // make sure the right interfaces are flattened as needed.
  switch (dom1.nodeType) {
  case nsIDOMNode.PROCESSING_INSTRUCTION_NODE:
    do_check_eq(dom1.QueryInterface(nsIDOMProcessingInstruction).target, 
                dom2.QueryInterface(nsIDOMProcessingInstruction).target);
    do_check_eq(dom1.data, dom2.data);
  case nsIDOMNode.TEXT_NODE:
  case nsIDOMNode.CDATA_SECTION_NODE:
  case nsIDOMNode.COMMENT_NODE:
    do_check_eq(dom1.QueryInterface(nsIDOMCharacterData).data,
                dom2.QueryInterface(nsIDOMCharacterData).data);
    break;
  case nsIDOMNode.ELEMENT_NODE:
    do_check_eq(dom1.namespaceURI, dom2.namespaceURI);
    do_check_eq(dom1.localName, dom2.localName);
    // Compare attrs in both directions -- do_compare_attrs does a
    // subset check.
    do_compare_attrs(dom1, dom2);
    do_compare_attrs(dom2, dom1);
    // Fall through
  case nsIDOMNode.DOCUMENT_NODE:
    do_check_eq(dom1.childNodes.length, dom2.childNodes.length);
    for (var i = 0; i < dom1.childNodes.length; ++i) {
      do_check_equiv(dom1.childNodes.item(i), dom2.childNodes.item(i));
    }
    break;
  }
}

function do_check_serialize(dom) {
  do_check_equiv(dom, roundtrip(dom));
}

function Pipe() {
  var p = C["@mozilla.org/pipe;1"].createInstance(I.nsIPipe);
  p.init(false, false, 0, 0xffffffff, null);
  return p;
}

function ScriptableInput(arg) {
  if (arg instanceof I.nsIPipe) {
    arg = arg.inputStream;
  }

  var str = C["@mozilla.org/scriptableinputstream;1"].
    createInstance(I.nsIScriptableInputStream);

  str.init(arg);

  return str;
}