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
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
|
<!DOCTYPE HTML>
<html>
<!--
Test cases for Touch Events v1 Recommendation
http://www.w3.org/TR/touch-events/
These tests are based on Matt Bruebeck's single-touch tests.
There are NO multi-touch tests in this document.
This document references Test Assertions (abbrev TA below) written by Cathy Chan
http://www.w3.org/2010/webevents/wiki/TestAssertions
-->
<head>
<title>Touch Events Single Touch Tests</title>
<meta name="viewport" content="width=device-width">
<script src="/resources/testharness.js"></script>
<script>
setup({explicit_done: true});
// Check a Touch object's atttributes for existence and correct type
// TA: 1.1.2, 1.1.3
function check_Touch_object (t) {
test(function() {
assert_equals(Object.prototype.toString.call(t), "[object Touch]", name + " attribute of type TouchList");
}, "touch point is a Touch object");
[
["long", "identifier"],
["EventTarget", "target"],
["long", "screenX"],
["long", "screenY"],
["long", "clientX"],
["long", "clientY"],
["long", "pageX"],
["long", "pageY"],
].forEach(function(attr) {
var type = attr[0];
var name = attr[1];
// existence check
test(function() {
assert_true(name in t, name + " attribute in Touch object");
}, "Touch." + name + " attribute exists");
// type check
switch(type) {
case "long":
test(function() {
assert_equals(typeof t[name], "number", name + " attribute of type long");
}, "Touch." + name + " attribute is of type number (long)");
break;
case "EventTarget":
// An event target is some type of Element
test(function() {
assert_true(t[name] instanceof Element, "EventTarget must be an Element.");
}, "Touch." + name + " attribute is of type Element");
break;
default:
break;
}
});
}
// Check a TouchList object's attributes and methods for existence and proper type
// Also make sure all of the members of the list are Touch objects
// TA: 1.2.1, 1.2.2, 1.2.5
function check_TouchList_object (tl) {
test(function() {
assert_equals(Object.prototype.toString.call(tl), "[object TouchList]", name + " attribute of type TouchList");
}, "touch list is a TouchList object");
[
["unsigned long", "length"],
["function", "item"],
].forEach(function(attr) {
var type = attr[0];
var name = attr[1];
// existence check
test(function() {
assert_true(name in tl, name + " attribute in TouchList");
}, "TouchList." + name + " attribute exists");
// type check
switch(type) {
case "unsigned long":
test(function() {
assert_equals(typeof tl[name], "number", name + " attribute of type long");
}, "TouchList." + name + " attribute is of type number (unsigned long)");
break;
case "function":
test(function() {
assert_equals(typeof tl[name], "function", name + " attribute of type function");
}, "TouchList." + name + " attribute is of type function");
break;
default:
break;
}
});
// Each member of tl should be a proper Touch object
for (var i=0; i < tl.length; i++) {
check_Touch_object(tl.item(i));
}
}
// Check a TouchEvent event's attributes for existence and proper type
// Also check that each of the event's TouchList objects are valid
// TA: 1.{3,4,5}.1.1, 1.{3,4,5}.1.2
function check_TouchEvent(ev) {
test(function() {
assert_true(ev instanceof TouchEvent, "event is a TouchEvent event");
}, ev.type + " event is a TouchEvent event");
[
["TouchList", "touches"],
["TouchList", "targetTouches"],
["TouchList", "changedTouches"],
["boolean", "altKey"],
["boolean", "metaKey"],
["boolean", "ctrlKey"],
["boolean", "shiftKey"],
].forEach(function(attr) {
var type = attr[0];
var name = attr[1];
// existence check
test(function() {
assert_true(name in ev, name + " attribute in " + ev.type + " event");
}, ev.type + "." + name + " attribute exists");
// type check
switch(type) {
case "boolean":
test(function() {
assert_equals(typeof ev[name], "boolean", name + " attribute of type boolean");
}, ev.type + "." + name + " attribute is of type boolean");
break;
case "TouchList":
test(function() {
assert_equals(Object.prototype.toString.call(ev[name]), "[object TouchList]", name + " attribute of type TouchList");
}, ev.type + "." + name + " attribute is of type TouchList");
// Now check the validity of the TouchList
check_TouchList_object(ev[name]);
break;
default:
break;
}
});
}
function is_touch_over_element(touch, element) {
var bounds = element.getBoundingClientRect();
return touch.pageX >= bounds.left && touch.pageX <= bounds.right &&
touch.pageY >= bounds.top && touch.pageY <= bounds.bottom;
}
function check_touch_clientXY(touch) {
assert_equals(touch.clientX, touch.pageX - window.pageXOffset, "touch.clientX is touch.pageX - window.pageXOffset.");
assert_equals(touch.clientY, touch.pageY - window.pageYOffset, "touch.clientY is touch.pageY - window.pageYOffset.");
}
function check_screenXY_clientXY_pageXY(touch) {
assert_greater_than_equal(touch.screenX, 0, "touch.screenX is no less than 0");
assert_greater_than_equal(touch.screenY, 0, "touch.screenY is no less than 0");
assert_greater_than_equal(touch.clientX, 0, "touch.clientX is no less than 0");
assert_greater_than_equal(touch.clientY, 0, "touch.clientY is no less than 0");
assert_greater_than_equal(touch.pageX, 0, "touch.pageX is no less than 0");
assert_greater_than_equal(touch.pageY, 0, "touch.pageY is no less than 0");
}
function run() {
var target0 = document.getElementById("target0");
var target1 = document.getElementById("target1");
var test_touchstart = async_test("touchstart event received");
var test_touchmove = async_test("touchmove event received");
var test_touchend = async_test("touchend event received");
var test_mousedown = async_test("Interaction with mouse events");
var touchstart_received = false;
var touchmove_received = false;
var touchend_received = false;
var invalid_touchmove_received = false;
var touchstart_identifier;
on_event(target0, "touchstart", function onTouchStart(ev) {
ev.preventDefault();
// Check event ordering TA: 1.6.2
test_touchstart.step(function() {
assert_false(touchstart_received, "duplicate touchstart event");
assert_false(touchmove_received, "touchstart precedes touchmove");
assert_false(touchend_received, "touchstart precedes touchend");
});
test_touchstart.done();
if (touchstart_received)
return;
touchstart_received = true;
test_mousedown.done(); // If we got here, then the mouse event test is not needed.
check_TouchEvent(ev);
// TA: 1.3.2.1, 1.3.3.1, 1.3.4.1
test(function() {
assert_equals(ev.touches.length, 1, "One touch point.");
assert_equals(ev.changedTouches.length, 1, "One changed touch point.");
assert_equals(ev.targetTouches.length, 1, "One target touch point.");
}, "touchstart: all TouchList lengths are correct");
var t = ev.touches[0];
var ct = ev.changedTouches[0];
var tt = ev.targetTouches[0];
touchstart_identifier = t.identifier;
// TA: 1.3.3.3, 1.3.2.3, 1.3.3.4 (indirect (transitive))
test(function() {
assert_equals(ct.identifier, touchstart_identifier, "changedTouches identifier matches.");
assert_equals(tt.identifier, touchstart_identifier, "targetTouches identifier matches.");
}, "touchstart: all TouchList identifiers are consistent");
// TA: 1.3.3.9
test(function() {
assert_equals(tt.target, ev.target, "event target same as targetTouches target.");
}, "touchstart: event target same as targetTouches target");
test(function() {
assert_true(is_touch_over_element(t, target0), "touch.pageX/pageY is over target0.");
}, "touchstart: touch pageX/pageY inside of target element");
test(function() {
check_touch_clientXY(t);
}, "touchstart: touch clientX/clientY is consistent with pageX/pageY");
// Note we don't bother testing screenX/screenY values - there's no reliable way to
// verify they are consistent with clientX/clientY (due to unknown amount of window
// chrome), and also various forms of scaling mean they are in different units.
test(function() {
check_screenXY_clientXY_pageXY(t);
}, "touchstart: touch screenX/screenY pageX/pageY and clientX/clientY values are no less than 0");
});
target0.ontouchmove = function (ev) {
ev.preventDefault();
if (touchmove_received)
return;
touchmove_received = true;
test_touchmove.step(function() {
assert_true(touchstart_received, "touchmove follows touchstart");
assert_false(touchend_received, "touchmove precedes touchend");
});
test_touchmove.done();
check_TouchEvent(ev);
// TA: 1.4.2.1, 1.4.3.1
test(function() {
assert_equals(ev.touches.length, 1, "One touch point.");
assert_equals(ev.changedTouches.length, 1, "One changed touch point.");
assert_equals(ev.targetTouches.length, 1, "One target touch point.");
}, "touchmove: all TouchList lengths are correct");
// 1.4.2.3, 1.4.3.3, 1.4.3.5, 1.4.4.3
test(function() {
assert_equals(ev.touches[0].identifier, touchstart_identifier, "Touch identifier matches.");
assert_equals(ev.changedTouches[0].identifier, touchstart_identifier, "Changed touch identifier matches.");
assert_equals(ev.targetTouches[0].identifier, touchstart_identifier, "Target touch identifier matches.");
}, "touchmove: all TouchList identifiers matches touchstart identifier");
// TA: 1.4.3.8
var tt = ev.targetTouches[0];
test(function() {
assert_equals(tt.target, ev.target, "event target same as targetTouches target.");
}, "touchmove: event target same as targetTouches target");
test(function() {
assert_true(is_touch_over_element(tt, target0) || is_touch_over_element(tt, target1),
"touch.pageX/pageY is over one of the targets.");
}, "touchmove: touch pageX/pageY inside of one of the target elements");
test(function() {
check_touch_clientXY(tt);
}, "touchmove: touch clientX/clientY is consistent with pageX/pageY");
test(function() {
check_screenXY_clientXY_pageXY(tt);
}, "touchmove: touch screenX/screenY pageX/pageY and clientX/clientY values are no less than 0");
};
on_event(target1, "touchmove", function onTouchMove(ev) {
invalid_touchmove_received = true;
});
window.ontouchend = function(ev) {
touchend_received = true;
test_touchend.step(function() {
assert_equals(ev.target, target0, "touchend is dispatched to the original target");
assert_true(touchstart_received, "touchend follows touchstart");
assert_true(touchmove_received, "touchend follows touchmove");
assert_false(invalid_touchmove_received, "touchmove dispatched to correct target");
});
test_touchend.done();
check_TouchEvent(ev);
// TA: 1.5.1.2, 1.5.3.1, 1.5.4.1
test(function() {
assert_equals(ev.touches.length, 0, "Zero touch points.");
assert_equals(ev.changedTouches.length, 1, "One changed touch point.");
assert_equals(ev.targetTouches.length, 0, "Zero target touch points.");
}, "touchend: all TouchList lengths are correct");
var t = ev.changedTouches[0];
// TA: 1.5.2.6, 1.5.2.3
test(function() {
assert_equals(t.identifier, touchstart_identifier, "changedTouches identifier matches.");
}, "touchend: touches identifier matches changedTouches identifier");
test(function() {
assert_true(is_touch_over_element(t, target1),
"touch.pageX/pageY is over target1.");
}, "touchend: touch pageX/pageY inside expected element");
test(function() {
check_touch_clientXY(t);
}, "touchend: touch clientX/clientY is consistent with pageX/pageY");
test(function() {
check_screenXY_clientXY_pageXY(t);
}, "touchend: touch screenX/screenY pageX/pageY and clientX/clientY values are no less than 0");
done();
};
on_event(target0, "mousedown", function onMouseDown(ev) {
test_mousedown.step(function() {
assert_true(touchstart_received,
"The touchstart event must be dispatched before any mouse " +
"events. (If this fails, it might mean that the user agent does " +
"not implement W3C touch events at all.)"
);
});
test_mousedown.done();
if (!touchstart_received) {
// Abort the tests. If touch events are not supported, then most of
// the other event handlers will never be called, and the test will
// time out with misleading results.
done();
}
});
}
</script>
<style>
div {
margin: 0em;
padding: 2em;
}
#target0 {
background: yellow;
border: 1px solid orange;
}
#target1 {
background: lightblue;
border: 1px solid blue;
}
</style>
</head>
<body onload="run()">
<h1>Touch Events: single-touch tests</h1>
<div id="target0">
Touch this box with one finger (or other pointing device)...
</div>
<div id="target1">
...then drag to this box and lift your finger.
</div>
<div id="log"></div>
</body>
</html>
|
