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
|
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1345873
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 1345873</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/WindowSnapshot.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<style type="text/css">
div.ref {
display: none;
height: 30px;
}
refA, refB, refC {
display: block;
float: left;
}
div#a, refA {
background: lightgreen;
width: 20px;
height: 30px;
}
div#b, refB {
background: orange;
width: 30px;
height: 30px;
}
div#c, refC {
background: blue;
width: 50px;
height: 30px;
}
div#flexContainer {
display: flex;
width: 100px;
height: 30px;
}
div#flexContainerParent {
display: none;
}
.abs {
position: absolute !important;
width: 15px !important;
height: 15px !important;
}
</style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1345873">Mozilla Bug 1345873</a>
<div id="display">
<!-- Reference cases (display:none; only shown during initRefSnapshots) -->
<div id="references">
<div class="ref" id="abc"><refA></refA><refB></refB><refC></refC></div>
<div class="ref" id="Abc">
<refA class="abs"></refA><refB></refB><refC></refC></div>
<div class="ref" id="Bac">
<refB class="abs"></refB><refA></refA><refC></refC></div>
<div class="ref" id="Bca">
<refB class="abs"></refB><refC></refC><refA></refA></div>
<div class="ref" id="Cab">
<refC class="abs"></refC><refA></refA><refB></refB></div>
<div class="ref" id="ABc">
<refA class="abs"></refA><refB class="abs"></refB><refC></refC></div>
<div class="ref" id="ACb">
<refA class="abs"></refA><refC class="abs"></refC><refB></refB></div>
<div class="ref" id="BCa">
<refB class="abs"></refB><refC class="abs"></refC><refA></refA></div>
<div class="ref" id="ABC">
<refA class="abs"></refA><refB class="abs"></refB><refC class="abs"></refC></div>
</div>
<div id="flexContainerParent">
<!-- The flex container that we'll be testing
(its parent is display:none initially) -->
<div id="flexContainer">
<div id="a"></div>
<div id="b"></div>
<div id="c"></div>
</div>
</div>
</div>
<pre id="test">
<script type="application/javascript">
"use strict";
/** Test for Bug 1345873 **/
/* This testcase ensures that we honor the "order" property when ordering
* flex items within a flex container.
*
* Note: The items in this testcase don't overlap, so this testcase does _not_
* test paint ordering. It only tests horizontal ordering in a flex container.
*/
// DATA
// ----
// This will store snapshots of our reference divs
let gRefSnapshots = {};
// These are the sets of 'order' values that we'll test.
// * The first three values in each array are the 'order' values that we'll
// assign to elements a, b, and c (respectively).
// * The next value is a string containing the concatenated IDs of any
// elements that should be absolutely positioned.
// * The final value in each array is the ID of the expected reference
// rendering. (By convention, in those IDs, capital = abspos)
var gOrderTestcases = [
// Just one child is abspos:
[ 1, 2, 3, "a", "Abc"],
[ 1, 2, 3, "b", "Bac"],
[ 1, 2, 3, "c", "Cab"],
[ 2, 3, 1, "b", "Bca"],
[ 3, 1, 1, "b", "Bca"],
// Two children are abspos:
// (Note: "order" doesn't influence position or paint order for abspos
// children - only for (in-flow) flex items.)
[ 1, 2, 3, "ab", "ABc"],
[ 2, 1, 3, "ab", "ABc"],
[ 1, 2, 3, "ac", "ACb"],
[ 3, 2, 1, "ac", "ACb"],
[ 3, 2, 1, "bc", "BCa"],
// All three children are abspos:
// (Rendering always the same regardless of "order" values)
[ 1, 2, 3, "abc", "ABC"],
[ 3, 1, 2, "abc", "ABC"],
[ 3, 2, 1, "abc", "ABC"],
];
// FUNCTIONS
// ---------
function initRefSnapshots() {
let refIds = ["abc",
"Abc", "Bac", "Bca", "Cab",
"ABc", "ACb", "BCa",
"ABC"];
for (let id of refIds) {
let elem = document.getElementById(id);
elem.style.display = "block";
gRefSnapshots[id] = snapshotWindow(window, false);
elem.style.display = "";
}
}
function complainIfSnapshotsDiffer(aSnap1, aSnap2, aMsg) {
let compareResult = compareSnapshots(aSnap1, aSnap2, true);
ok(compareResult[0],
"flex container rendering should match expected (" + aMsg +")");
if (!compareResult[0]) {
todo(false, "TESTCASE: " + compareResult[1]);
todo(false, "REFERENCE: "+ compareResult[2]);
}
}
function runOrderTestcase(aOrderTestcase) {
// Sanity-check
ok(Array.isArray(aOrderTestcase), "expecting testcase to be an array");
is(aOrderTestcase.length, 5, "expecting testcase to have 5 elements");
document.getElementById("a").style.order = aOrderTestcase[0];
document.getElementById("b").style.order = aOrderTestcase[1];
document.getElementById("c").style.order = aOrderTestcase[2];
let idsToMakeAbspos = aOrderTestcase[3].split("");
for (let absPosId of idsToMakeAbspos) {
document.getElementById(absPosId).classList.add("abs");
}
let snapshot = snapshotWindow(window, false);
complainIfSnapshotsDiffer(snapshot, gRefSnapshots[aOrderTestcase[4]],
aOrderTestcase);
// Clean up
for (let id of ["a", "b", "c"]) {
document.getElementById(id).style.order = "";
document.getElementById(id).classList.remove("abs");
}
}
// Main Function
function main() {
initRefSnapshots();
// un-hide the flex container's parent
let flexContainerParent = document.getElementById("flexContainerParent");
flexContainerParent.style.display = "block";
// Initial sanity-check: should be in expected document order
let initialSnapshot = snapshotWindow(window, false);
complainIfSnapshotsDiffer(initialSnapshot, gRefSnapshots.abc,
"initial flex container rendering, " +
"no 'order' value yet");
// OK, now we run our tests
gOrderTestcases.forEach(runOrderTestcase);
// Re-hide the flex container at the end
flexContainerParent.style.display = "";
}
main();
</script>
</pre>
</body>
</html>
|
