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
|
// Copyright 2012 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
goog.provide('goog.style.bidiTest');
goog.setTestOnly('goog.style.bidiTest');
goog.require('goog.dom');
goog.require('goog.style');
goog.require('goog.style.bidi');
goog.require('goog.testing.jsunit');
goog.require('goog.userAgent');
// Updates the calculated metrics.
function updateInfo() {
var element = document.getElementById('scrolledElementRtl');
document.getElementById('elementScrollLeftRtl').innerHTML =
element.offsetParent.scrollLeft;
document.getElementById('bidiOffsetStartRtl').innerHTML =
goog.style.bidi.getOffsetStart(element);
document.getElementById('bidiScrollLeftRtl').innerHTML =
goog.style.bidi.getScrollLeft(element.offsetParent);
element = document.getElementById('scrolledElementLtr');
document.getElementById('elementScrollLeftLtr').innerHTML =
element.offsetParent.scrollLeft;
document.getElementById('bidiOffsetStartLtr').innerHTML =
goog.style.bidi.getOffsetStart(element);
document.getElementById('bidiScrollLeftLtr').innerHTML =
goog.style.bidi.getScrollLeft(element.offsetParent);
}
function setUpPage() {
updateInfo();
}
function tearDown() {
document.documentElement.dir = 'ltr';
document.body.dir = 'ltr';
}
function testGetOffsetStart() {
var elm = document.getElementById('scrolledElementRtl');
assertEquals(elm.style['right'], goog.style.bidi.getOffsetStart(elm) + 'px');
elm = document.getElementById('scrolledElementLtr');
assertEquals(elm.style['left'], goog.style.bidi.getOffsetStart(elm) + 'px');
}
function testSetScrollOffsetRtl() {
var scrollElm = document.getElementById('scrollDivRtl');
var scrolledElm = document.getElementById('scrolledElementRtl');
var originalDistance =
goog.style.getRelativePosition(scrolledElm, document.body).x;
var scrollAndAssert = function(pixels) {
goog.style.bidi.setScrollOffset(scrollElm, pixels);
assertEquals(
originalDistance + pixels,
goog.style.getRelativePosition(scrolledElm, document.body).x);
};
scrollAndAssert(0);
scrollAndAssert(50);
scrollAndAssert(100);
scrollAndAssert(150);
scrollAndAssert(155);
scrollAndAssert(0);
}
function testSetScrollOffsetLtr() {
var scrollElm = document.getElementById('scrollDivLtr');
var scrolledElm = document.getElementById('scrolledElementLtr');
var originalDistance =
goog.style.getRelativePosition(scrolledElm, document.body).x;
var scrollAndAssert = function(pixels) {
goog.style.bidi.setScrollOffset(scrollElm, pixels);
assertEquals(
originalDistance - pixels,
goog.style.getRelativePosition(scrolledElm, document.body).x);
};
scrollAndAssert(0);
scrollAndAssert(50);
scrollAndAssert(100);
scrollAndAssert(150);
scrollAndAssert(155);
scrollAndAssert(0);
}
function testFixedBodyChildLtr() {
var bodyChild = document.getElementById('bodyChild');
assertEquals(
goog.userAgent.GECKO ? document.body : null, bodyChild.offsetParent);
assertEquals(60, goog.style.bidi.getOffsetStart(bodyChild));
}
function testFixedBodyChildRtl() {
document.documentElement.dir = 'rtl';
document.body.dir = 'rtl';
var bodyChild = document.getElementById('bodyChild');
assertEquals(
goog.userAgent.GECKO ? document.body : null, bodyChild.offsetParent);
var expectedOffsetStart =
goog.dom.getViewportSize().width - 60 - bodyChild.offsetWidth;
// Gecko seems to also add in the marginbox for the body.
// It's not really clear to me if this is true in the general case,
// or just under certain conditions.
if (goog.userAgent.GECKO) {
var marginBox = goog.style.getMarginBox(document.body);
expectedOffsetStart -= (marginBox.left + marginBox.right);
}
assertEquals(expectedOffsetStart, goog.style.bidi.getOffsetStart(bodyChild));
}
function testGetScrollLeftRTL() {
var scrollLeftDiv = document.getElementById('scrollLeftRtl');
scrollLeftDiv.style.overflow = 'visible';
assertEquals(0, goog.style.bidi.getScrollLeft(scrollLeftDiv));
scrollLeftDiv.style.overflow = 'hidden';
assertEquals(0, goog.style.bidi.getScrollLeft(scrollLeftDiv));
// NOTE: 'auto' must go above the 'scroll' assertion. Chrome 47 has a bug
// with non-deterministic scroll positioning. Maybe it recalculates the
// layout on accessing those properties?
// TODO(joeltine): Remove this comment when
// https://code.google.com/p/chromium/issues/detail?id=568706 is resolved.
scrollLeftDiv.style.overflow = 'auto';
assertEquals(0, goog.style.bidi.getScrollLeft(scrollLeftDiv));
scrollLeftDiv.style.overflow = 'scroll';
assertEquals(0, goog.style.bidi.getScrollLeft(scrollLeftDiv));
}
|
