summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/dom/ranges/Range-set.html
blob: 5b43c04f418cce0cdd6e742a4ef127d354e0b7a6 (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
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
<!doctype html>
<title>Range setting tests</title>
<link rel="author" title="Aryeh Gregor" href=ayg@aryeh.name>
<meta name=timeout content=long>

<div id=log></div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=../common.js></script>
<script>
"use strict";

function testSetStart(range, node, offset) {
  if (node.nodeType == Node.DOCUMENT_TYPE_NODE) {
    assert_throws("INVALID_NODE_TYPE_ERR", function() {
      range.setStart(node, offset);
    }, "setStart() to a doctype must throw INVALID_NODE_TYPE_ERR");
    return;
  }

  if (offset < 0 || offset > nodeLength(node)) {
    assert_throws("INDEX_SIZE_ERR", function() {
      range.setStart(node, offset);
    }, "setStart() to a too-large offset must throw INDEX_SIZE_ERR");
    return;
  }

  var newRange = range.cloneRange();
  newRange.setStart(node, offset);

  assert_equals(newRange.startContainer, node,
    "setStart() must change startContainer to the new node");
  assert_equals(newRange.startOffset, offset,
    "setStart() must change startOffset to the new offset");

  // FIXME: I'm assuming comparePoint() is correct, but the tests for that
  // will depend on setStart()/setEnd().
  if (furthestAncestor(node) != furthestAncestor(range.startContainer)
  || range.comparePoint(node, offset) > 0) {
    assert_equals(newRange.endContainer, node,
      "setStart(node, offset) where node is after current end or in different document must set the end node to node too");
    assert_equals(newRange.endOffset, offset,
      "setStart(node, offset) where node is after current end or in different document must set the end offset to offset too");
  } else {
    assert_equals(newRange.endContainer, range.endContainer,
      "setStart() must not change the end node if the new start is before the old end");
    assert_equals(newRange.endOffset, range.endOffset,
      "setStart() must not change the end offset if the new start is before the old end");
  }
}

function testSetEnd(range, node, offset) {
  if (node.nodeType == Node.DOCUMENT_TYPE_NODE) {
    assert_throws("INVALID_NODE_TYPE_ERR", function() {
      range.setEnd(node, offset);
    }, "setEnd() to a doctype must throw INVALID_NODE_TYPE_ERR");
    return;
  }

  if (offset < 0 || offset > nodeLength(node)) {
    assert_throws("INDEX_SIZE_ERR", function() {
      range.setEnd(node, offset);
    }, "setEnd() to a too-large offset must throw INDEX_SIZE_ERR");
    return;
  }

  var newRange = range.cloneRange();
  newRange.setEnd(node, offset);

  // FIXME: I'm assuming comparePoint() is correct, but the tests for that
  // will depend on setStart()/setEnd().
  if (furthestAncestor(node) != furthestAncestor(range.startContainer)
  || range.comparePoint(node, offset) < 0) {
    assert_equals(newRange.startContainer, node,
      "setEnd(node, offset) where node is before current start or in different document must set the end node to node too");
    assert_equals(newRange.startOffset, offset,
      "setEnd(node, offset) where node is before current start or in different document must set the end offset to offset too");
  } else {
    assert_equals(newRange.startContainer, range.startContainer,
      "setEnd() must not change the start node if the new end is after the old start");
    assert_equals(newRange.startOffset, range.startOffset,
      "setEnd() must not change the start offset if the new end is after the old start");
  }

  assert_equals(newRange.endContainer, node,
    "setEnd() must change endContainer to the new node");
  assert_equals(newRange.endOffset, offset,
    "setEnd() must change endOffset to the new offset");
}

function testSetStartBefore(range, node) {
  var parent = node.parentNode;
  if (parent === null) {
    assert_throws("INVALID_NODE_TYPE_ERR", function () {
      range.setStartBefore(node);
    }, "setStartBefore() to a node with null parent must throw INVALID_NODE_TYPE_ERR");
    return;
  }

  var idx = 0;
  while (node.parentNode.childNodes[idx] != node) {
    idx++;
  }

  testSetStart(range, node.parentNode, idx);
}

function testSetStartAfter(range, node) {
  var parent = node.parentNode;
  if (parent === null) {
    assert_throws("INVALID_NODE_TYPE_ERR", function () {
      range.setStartAfter(node);
    }, "setStartAfter() to a node with null parent must throw INVALID_NODE_TYPE_ERR");
    return;
  }

  var idx = 0;
  while (node.parentNode.childNodes[idx] != node) {
    idx++;
  }

  testSetStart(range, node.parentNode, idx + 1);
}

function testSetEndBefore(range, node) {
  var parent = node.parentNode;
  if (parent === null) {
    assert_throws("INVALID_NODE_TYPE_ERR", function () {
      range.setEndBefore(node);
    }, "setEndBefore() to a node with null parent must throw INVALID_NODE_TYPE_ERR");
    return;
  }

  var idx = 0;
  while (node.parentNode.childNodes[idx] != node) {
    idx++;
  }

  testSetEnd(range, node.parentNode, idx);
}

function testSetEndAfter(range, node) {
  var parent = node.parentNode;
  if (parent === null) {
    assert_throws("INVALID_NODE_TYPE_ERR", function () {
      range.setEndAfter(node);
    }, "setEndAfter() to a node with null parent must throw INVALID_NODE_TYPE_ERR");
    return;
  }

  var idx = 0;
  while (node.parentNode.childNodes[idx] != node) {
    idx++;
  }

  testSetEnd(range, node.parentNode, idx + 1);
}


var startTests = [];
var endTests = [];
var startBeforeTests = [];
var startAfterTests = [];
var endBeforeTests = [];
var endAfterTests = [];

// Don't want to eval() each point a bazillion times
var testPointsCached = testPoints.map(eval);
var testNodesCached = testNodesShort.map(eval);

for (var i = 0; i < testRangesShort.length; i++) {
  var endpoints = eval(testRangesShort[i]);
  var range;
  test(function() {
    range = ownerDocument(endpoints[0]).createRange();
    range.setStart(endpoints[0], endpoints[1]);
    range.setEnd(endpoints[2], endpoints[3]);
  }, "Set up range " + i + " " + testRangesShort[i]);

  for (var j = 0; j < testPoints.length; j++) {
    startTests.push(["setStart() with range " + i + " " + testRangesShort[i] + ", point " + j + " " + testPoints[j],
      range,
      testPointsCached[j][0],
      testPointsCached[j][1]
    ]);
    endTests.push(["setEnd() with range " + i + " " + testRangesShort[i] + ", point " + j + " " + testPoints[j],
      range,
      testPointsCached[j][0],
      testPointsCached[j][1]
    ]);
  }

  for (var j = 0; j < testNodesShort.length; j++) {
    startBeforeTests.push(["setStartBefore() with range " + i + " " + testRangesShort[i] + ", node " + j + " " + testNodesShort[j],
      range,
      testNodesCached[j]
    ]);
    startAfterTests.push(["setStartAfter() with range " + i + " " + testRangesShort[i] + ", node " + j + " " + testNodesShort[j],
      range,
      testNodesCached[j]
    ]);
    endBeforeTests.push(["setEndBefore() with range " + i + " " + testRangesShort[i] + ", node " + j + " " + testNodesShort[j],
      range,
      testNodesCached[j]
    ]);
    endAfterTests.push(["setEndAfter() with range " + i + " " + testRangesShort[i] + ", node " + j + " " + testNodesShort[j],
      range,
      testNodesCached[j]
    ]);
  }
}

generate_tests(testSetStart, startTests);
generate_tests(testSetEnd, endTests);
generate_tests(testSetStartBefore, startBeforeTests);
generate_tests(testSetStartAfter, startAfterTests);
generate_tests(testSetEndBefore, endBeforeTests);
generate_tests(testSetEndAfter, endAfterTests);

testDiv.style.display = "none";
</script>