third_party/WebKit/LayoutTests/fast/css/round-trip-values.html

   1 <!DOCTYPE HTML>
   2
   3 <html>
   4 <head>
   5 <style>
   6   body {
   7       font-family: sans-serif;
   8       font-size: 0.8em;
   9   }
  10
  11   code {
  12       font-family: workaround, monospace;
  13   }
  14
  15   .heading {
  16       background: #eee;
  17       font-weight: bold;
  18   }
  19 </style>
  20 </head>
  21 <body>
  22   <p>For each input on the left, this table lists what happens when you
  23 pass it into a CSS property and retrieve its value back. The third column
  24 indicates whether the value was round-tripped faithfully.</p>
  25
  26 <div id='test'></div>
  27 <table id='table'>
  28 </table>
  29
  30 <script>
  31 if (window.testRunner)
  32   testRunner.dumpAsText();
  33
  34 var table = document.getElementById('table');
  35 var div = document.getElementById('test');
  36
  37 function heading(text) {
  38     var tr = document.createElement('tr');
  39     tr.className = 'heading';
  40     var td = document.createElement('td');
  41     td.colSpan = 3;
  42     td.align = 'center'
  43     td.appendChild(document.createTextNode(text));
  44     tr.appendChild(td);
  45
  46     table.appendChild(tr);
  47 }
  48
  49 function evaluate(code) {
  50     var result = eval(code);
  51     var tr = document.createElement('tr');
  52
  53     var td = document.createElement('td');
  54     var text = document.createElement('code');
  55     text.appendChild(document.createTextNode(code));
  56     td.appendChild(text);
  57     tr.appendChild(td);
  58
  59     div.style.opacity = eval(code);
  60
  61     var td = document.createElement('td');
  62     var text = document.createElement('code');
  63     text.appendChild(document.createTextNode(div.style.opacity));
  64     td.appendChild(text);
  65     tr.appendChild(td);
  66
  67     var outValue = div.style.opacity;
  68     // Test round-tripping
  69     div.style.opacity = 0;
  70     div.style.opacity = outValue;
  71
  72     var td = document.createElement('td');
  73     var text = document.createElement('span');
  74     text.appendChild(document.createTextNode(outValue == div.style.opacity ? "pass" : "fail"));
  75     td.appendChild(text);
  76     tr.appendChild(td);
  77
  78     table.appendChild(tr);
  79 }
  80
  81 heading("Basic floats");
  82 evaluate("'0.0001'");
  83 evaluate("0.0001");
  84 evaluate("'123456.123456'");
  85 evaluate("'1234567.1234567'");
  86 evaluate("'12345678.12345678'");
  87
  88 heading("Trailing zeros");
  89 evaluate("'0.00100000'");
  90 evaluate("'0.001000001'");
  91 evaluate("'0.12345000001'");
  92 evaluate("'0.12304567'");
  93 evaluate("'0.12340567'");
  94 evaluate("'0.12345067'");
  95 evaluate("'0.12345607'");
  96 evaluate("'0.12345670'");
  97
  98 heading("Repeating decimals");
  99 evaluate("1/3");
 100 evaluate("123 + 1/3");
 101 evaluate("13/99");
 102 evaluate("123 + 13/99");
 103 evaluate("100/999");
 104 evaluate("123 + 100/999");
 105
 106 heading("Large numbers");
 107 evaluate("12345678");
 108 evaluate("123456789");
 109 evaluate("1234567890");
 110 evaluate("12345678901");
 111 evaluate("123456789012");
 112 evaluate("1234567890123");
 113 evaluate("12345678901234");
 114 evaluate("123456789012345");
 115 evaluate("1234567890123456");
 116 evaluate("12345678901234567");
 117
 118 heading("Weird numbers");
 119 evaluate("Number.NaN");
 120 evaluate("1/0");
 121 evaluate("Math.sqrt(-1)");
 122 evaluate("1/0.9999");
 123 evaluate("1/0.99999");
 124 evaluate("1/0.999999");
 125 evaluate("1/0.9999999");
 126 evaluate("1/0.99999999");
 127
 128 </script>
 129 </body>
 130 </html>