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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
<!doctype html>
<title>Range.extractContents() tests</title>
<link rel="author" title="Aryeh Gregor" href=ayg@aryeh.name>
<meta name=timeout content=long>
<p>To debug test failures, add a query parameter "subtest" with the test id (like
"?subtest=5"). Only that test will be run. Then you can look at the resulting
iframe in the DOM.
<div id=log></div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=../common.js></script>
<script>
"use strict";
testDiv.parentNode.removeChild(testDiv);
var actualIframe = document.createElement("iframe");
actualIframe.style.display = "none";
document.body.appendChild(actualIframe);
var expectedIframe = document.createElement("iframe");
expectedIframe.style.display = "none";
document.body.appendChild(expectedIframe);
function restoreIframe(iframe, i) {
// Most of this function is designed to work around the fact that Opera
// doesn't let you add a doctype to a document that no longer has one, in
// any way I can figure out. I eventually compromised on something that
// will still let Opera pass most tests that don't actually involve
// doctypes.
while (iframe.contentDocument.firstChild
&& iframe.contentDocument.firstChild.nodeType != Node.DOCUMENT_TYPE_NODE) {
iframe.contentDocument.removeChild(iframe.contentDocument.firstChild);
}
while (iframe.contentDocument.lastChild
&& iframe.contentDocument.lastChild.nodeType != Node.DOCUMENT_TYPE_NODE) {
iframe.contentDocument.removeChild(iframe.contentDocument.lastChild);
}
if (!iframe.contentDocument.firstChild) {
// This will throw an exception in Opera if we reach here, which is why
// I try to avoid it. It will never happen in a browser that obeys the
// spec, so it's really just insurance. I don't think it actually gets
// hit by anything.
iframe.contentDocument.appendChild(iframe.contentDocument.implementation.createDocumentType("html", "", ""));
}
iframe.contentDocument.appendChild(referenceDoc.documentElement.cloneNode(true));
iframe.contentWindow.setupRangeTests();
iframe.contentWindow.testRangeInput = testRanges[i];
iframe.contentWindow.run();
}
function testExtractContents(i) {
restoreIframe(actualIframe, i);
restoreIframe(expectedIframe, i);
var actualRange = actualIframe.contentWindow.testRange;
var expectedRange = expectedIframe.contentWindow.testRange;
var actualFrag, expectedFrag;
var actualRoots, expectedRoots;
domTests[i].step(function() {
assert_equals(actualIframe.contentWindow.unexpectedException, null,
"Unexpected exception thrown when setting up Range for actual extractContents()");
assert_equals(expectedIframe.contentWindow.unexpectedException, null,
"Unexpected exception thrown when setting up Range for simulated extractContents()");
assert_equals(typeof actualRange, "object",
"typeof Range produced in actual iframe");
assert_equals(typeof expectedRange, "object",
"typeof Range produced in expected iframe");
// Just to be pedantic, we'll test not only that the tree we're
// modifying is the same in expected vs. actual, but also that all the
// nodes originally in it were the same. Typically some nodes will
// become detached when the algorithm is run, but they still exist and
// references can still be kept to them, so they should also remain the
// same.
//
// We initialize the list to all nodes, and later on remove all the
// ones which still have parents, since the parents will presumably be
// tested for isEqualNode() and checking the children would be
// redundant.
var actualAllNodes = [];
var node = furthestAncestor(actualRange.startContainer);
do {
actualAllNodes.push(node);
} while (node = nextNode(node));
var expectedAllNodes = [];
var node = furthestAncestor(expectedRange.startContainer);
do {
expectedAllNodes.push(node);
} while (node = nextNode(node));
expectedFrag = myExtractContents(expectedRange);
if (typeof expectedFrag == "string") {
assert_throws(expectedFrag, function() {
actualRange.extractContents();
});
} else {
actualFrag = actualRange.extractContents();
}
actualRoots = [];
for (var j = 0; j < actualAllNodes.length; j++) {
if (!actualAllNodes[j].parentNode) {
actualRoots.push(actualAllNodes[j]);
}
}
expectedRoots = [];
for (var j = 0; j < expectedAllNodes.length; j++) {
if (!expectedAllNodes[j].parentNode) {
expectedRoots.push(expectedAllNodes[j]);
}
}
for (var j = 0; j < actualRoots.length; j++) {
assertNodesEqual(actualRoots[j], expectedRoots[j], j ? "detached node #" + j : "tree root");
if (j == 0) {
// Clearly something is wrong if the node lists are different
// lengths. We want to report this only after we've already
// checked the main tree for equality, though, so it doesn't
// mask more interesting errors.
assert_equals(actualRoots.length, expectedRoots.length,
"Actual and expected DOMs were broken up into a different number of pieces by extractContents() (this probably means you created or detached nodes when you weren't supposed to)");
}
}
});
domTests[i].done();
positionTests[i].step(function() {
assert_equals(actualIframe.contentWindow.unexpectedException, null,
"Unexpected exception thrown when setting up Range for actual extractContents()");
assert_equals(expectedIframe.contentWindow.unexpectedException, null,
"Unexpected exception thrown when setting up Range for simulated extractContents()");
assert_equals(typeof actualRange, "object",
"typeof Range produced in actual iframe");
assert_equals(typeof expectedRange, "object",
"typeof Range produced in expected iframe");
assert_true(actualRoots[0].isEqualNode(expectedRoots[0]),
"The resulting DOMs were not equal, so comparing positions makes no sense");
if (typeof expectedFrag == "string") {
// It's no longer true that, e.g., startContainer and endContainer
// must always be the same
return;
}
assert_equals(actualRange.startContainer, actualRange.endContainer,
"startContainer and endContainer must always be the same after extractContents()");
assert_equals(actualRange.startOffset, actualRange.endOffset,
"startOffset and endOffset must always be the same after extractContents()");
assert_equals(expectedRange.startContainer, expectedRange.endContainer,
"Test bug! Expected startContainer and endContainer must always be the same after extractContents()");
assert_equals(expectedRange.startOffset, expectedRange.endOffset,
"Test bug! Expected startOffset and endOffset must always be the same after extractContents()");
assert_equals(actualRange.startOffset, expectedRange.startOffset,
"Unexpected startOffset after extractContents()");
// How do we decide that the two nodes are equal, since they're in
// different trees? Since the DOMs are the same, it's enough to check
// that the index in the parent is the same all the way up the tree.
// But we can first cheat by just checking they're actually equal.
assert_true(actualRange.startContainer.isEqualNode(expectedRange.startContainer),
"Unexpected startContainer after extractContents(), expected " +
expectedRange.startContainer.nodeName.toLowerCase() + " but got " +
actualRange.startContainer.nodeName.toLowerCase());
var currentActual = actualRange.startContainer;
var currentExpected = expectedRange.startContainer;
var actual = "";
var expected = "";
while (currentActual && currentExpected) {
actual = indexOf(currentActual) + "-" + actual;
expected = indexOf(currentExpected) + "-" + expected;
currentActual = currentActual.parentNode;
currentExpected = currentExpected.parentNode;
}
actual = actual.substr(0, actual.length - 1);
expected = expected.substr(0, expected.length - 1);
assert_equals(actual, expected,
"startContainer superficially looks right but is actually the wrong node if you trace back its index in all its ancestors (I'm surprised this actually happened");
});
positionTests[i].done();
fragTests[i].step(function() {
assert_equals(actualIframe.contentWindow.unexpectedException, null,
"Unexpected exception thrown when setting up Range for actual extractContents()");
assert_equals(expectedIframe.contentWindow.unexpectedException, null,
"Unexpected exception thrown when setting up Range for simulated extractContents()");
assert_equals(typeof actualRange, "object",
"typeof Range produced in actual iframe");
assert_equals(typeof expectedRange, "object",
"typeof Range produced in expected iframe");
if (typeof expectedFrag == "string") {
// Comparing makes no sense
return;
}
assertNodesEqual(actualFrag, expectedFrag,
"returned fragment");
});
fragTests[i].done();
}
// First test a detached Range, synchronously
test(function() {
var range = document.createRange();
range.detach();
assert_array_equals(range.extractContents().childNodes, []);
}, "Detached Range");
var iStart = 0;
var iStop = testRanges.length;
if (/subtest=[0-9]+/.test(location.search)) {
var matches = /subtest=([0-9]+)/.exec(location.search);
iStart = Number(matches[1]);
iStop = Number(matches[1]) + 1;
}
var domTests = [];
var positionTests = [];
var fragTests = [];
for (var i = iStart; i < iStop; i++) {
domTests[i] = async_test("Resulting DOM for range " + i + " " + testRanges[i]);
positionTests[i] = async_test("Resulting cursor position for range " + i + " " + testRanges[i]);
fragTests[i] = async_test("Returned fragment for range " + i + " " + testRanges[i]);
}
var referenceDoc = document.implementation.createHTMLDocument("");
referenceDoc.removeChild(referenceDoc.documentElement);
actualIframe.onload = function() {
expectedIframe.onload = function() {
for (var i = iStart; i < iStop; i++) {
testExtractContents(i);
}
}
expectedIframe.src = "Range-test-iframe.html";
referenceDoc.appendChild(actualIframe.contentDocument.documentElement.cloneNode(true));
}
actualIframe.src = "Range-test-iframe.html";
</script>
|
