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
|
<!doctype html>
<link rel="stylesheet" href="../support/base.css" />
<aside style="position:absolute"><!-- THIS IS WHERE WE RUN THE EXPERIMENTS --></aside>
<main><textarea style="display: none; width: 100%"></textarea><script>
var textarea = document.querySelector('textarea');
var testingBorderAttributes = true;
var seed = 0;
// This is not meant to be a good random number generator; I literally don't care
function XorshiftMath(seed) {
var x = 1;
var y = 2;
var z = 3;
var w = seed|0;
this.random = function random() {
var t = x;
t ^= t << 11;
t ^= t >> 8;
x = y; y = z; z = w;
w ^= w >> 19;
w ^= t;
return (w%1024)/1024;
}
}
var rndGen = new XorshiftMath(seed);
function rnd(x) {
return x > rndGen.random();
}
function pickInList(list) {
var i = list.length; while(i>1 && rnd(1/i)) { i--; }
return list[i-1];
}
function generateMarkup(root) {
if(rnd(0.99)) {
//
// the table has a <table> element
//
var table = document.createElement('table');
//
if(testingBorderAttributes) {
if(rnd(0.3)) { table.setAttribute('border',pickInList(['0','10','yes'])); }
if(rnd(0.3)) { table.setAttribute('frame',pickInList(['box','vsides','none'])); }
if(rnd(0.3)) { table.setAttribute('rules',pickInList(['all','rows','groups'])); }
table.setAttribute("cellspacing","0");
}
generateRowGroups(table);
root.appendChild(table);
} else {
//
// the table has no <table> element
//
generateRowGroup(root);
}
}
function generateRowGroups(root) {
if(rnd(0.5)) {
generateRowGroup(root);
while(rnd(0.25)) {
generateRowGroup(root);
}
} else {
generateRows(root);
}
}
function generateRowGroup(root) {
var tbody; if(rnd(0.7)) {
tbody = document.createElement('tbody');
} else if (rnd(0.5)) {
tbody = document.createElement('thead');
} else {
tbody = document.createElement('tfoot');
}
generateRows(tbody);
root.appendChild(tbody);
}
function generateRows(root) {
while(rnd(0.9)) {
if(rnd(0.9)) {
generateRow(root);
} else {
generateCells(root);
}
}
}
function generateRow(root) {
var tr = document.createElement('tr');
generateCells(tr);
root.appendChild(tr);
}
function generateCells(root) {
while(rnd(0.9)) {
if(rnd(0.9)) {
generateCell(root);
} else {
generateCellContent(root);
}
}
}
function generateCell(root) {
var td = document.createElement( rnd(0.9) ? 'td' : 'th' );
generateCellContent(td);
root.appendChild(td);
}
function generateCellContent() {
// for now, do nothing
}
for(var i = 10; i--;) {
//document.write("<textarea style='width: 100%; display: none'>");
var div = document.createElement('div');
generateMarkup(div);
appendReportFor(div);
//document.write(div.innerHTML);
//document.write("</textarea>");
}
if(navigator.userAgent.indexOf("Edge") == -1) {
var downloadLink = document.createElement('a');
downloadLink.setAttribute("download","report.txt");
downloadLink.href = "data:," + escape(textarea.value);
downloadLink.textContent = "download";
document.body.appendChild(downloadLink);
}
function appendReportFor(markup) {
var report = markup.innerHTML + '\r\n\r\n';
//
// append markup to the dom
//
var root = document.querySelector('aside');
root.innerHTML = '';
root.appendChild(markup);
//
// output box stats
//
var boxes = markup.getElementsByTagName("*");
for(var i = 0; i<boxes.length; i++) {
var box = boxes[i];
report += '' + i + ': ' + box.tagName + '\r\n';
report += 'offsetWidth: ' + box.offsetWidth + '\r\n';
report += 'offsetHeight: ' + box.offsetHeight + '\r\n';
report += 'offsetLeft: ' + box.offsetLeft + '\r\n';
report += 'offsetTop: ' + box.offsetTop + '\r\n';
report += 'borderTopWidth: ' + getComputedStyle(box).borderTopWidth + '\r\n';
report += 'borderTopStyle: ' + getComputedStyle(box).borderTopStyle + '\r\n';
report += 'borderTopColor: ' + getComputedStyle(box).borderTopColor + '\r\n';
report += 'borderLeftWidth: ' + getComputedStyle(box).borderLeftWidth + '\r\n';
report += 'borderLeftStyle: ' + getComputedStyle(box).borderLeftStyle + '\r\n';
report += 'borderLeftColor: ' + getComputedStyle(box).borderLeftColor + '\r\n';
report += '\r\n';
}
report += '\r\n';
report += '=====================================================================\r\n';
report += '\r\n';
textarea.value += report;
root.innerHTML = '';
}
</script></main>
|
