third_party/WebKit/LayoutTests/fast/forms/textarea-rows-cols.html

   1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
   2 <html>
   3 <head>
   4 <script src="../../resources/js-test.js"></script>
   5 </head>
   6 <body>
   7 <p id="description"></p>
   8 <div id="console"></div>
   9 <script>
  10 description('Test for edge cases of &lt;textarea&gt; rows and cols attributes.');
  11
  12 var parent = document.createElement('div');
  13 document.body.appendChild(parent);
  14 parent.innerHTML = '<textarea>default</textarea>';
  15
  16 debug('Default values');
  17 var textarea = parent.firstChild;
  18 var defaultRows = textarea.rows;
  19 var defaultCols = textarea.cols;
  20 var defaultHeight = textarea.offsetHeight;
  21 var defaultWidth = textarea.offsetWidth;
  22 shouldBe('defaultRows', '2');
  23 shouldBe('defaultCols', '20');
  24 shouldBeTrue('defaultHeight > 0');
  25 shouldBeTrue('defaultWidth > 0');
  26
  27 debug('rows = 1');
  28 parent.innerHTML = '<textarea rows="1">rows = 1</textarea>';
  29 textarea = parent.firstChild;
  30 shouldBe('textarea.rows', '1');
  31 shouldBeTrue('textarea.offsetHeight > 0');
  32 shouldBeTrue('textarea.offsetHeight < defaultHeight');
  33 shouldBe('textarea.offsetWidth', 'defaultWidth');
  34
  35 debug('rows = 2; should match default height');
  36 parent.innerHTML = '<textarea rows="2">rows = 2; should match default height</textarea>';
  37 textarea = parent.firstChild;
  38 shouldBe('textarea.rows', 'defaultRows');
  39 shouldBe('textarea.offsetHeight', 'defaultHeight');
  40 shouldBe('textarea.offsetWidth', 'defaultWidth');
  41
  42 debug('rows = 3');
  43 parent.innerHTML = '<textarea rows="3">rows = 3</textarea>';
  44 textarea = parent.firstChild;
  45 shouldBe('textarea.rows', '3');
  46 shouldBeTrue('textarea.offsetHeight > defaultHeight');
  47 shouldBe('textarea.offsetWidth', 'defaultWidth');
  48
  49 debug('rows; should be default height');
  50 parent.innerHTML = '<textarea rows>rows; should be default height</textarea>';
  51 textarea = parent.firstChild;
  52 shouldBe('textarea.rows', 'defaultRows');
  53 shouldBe('textarea.offsetHeight', 'defaultHeight');
  54 shouldBe('textarea.offsetWidth', 'defaultWidth');
  55
  56 debug('rows = 0; should be default height');
  57 parent.innerHTML = '<textarea rows="0">rows = 0; should be default height</textarea>';
  58 textarea = parent.firstChild;
  59 shouldBe('textarea.rows', 'defaultRows');
  60 shouldBe('textarea.offsetHeight', 'defaultHeight');
  61 shouldBe('textarea.offsetWidth', 'defaultWidth');
  62
  63 debug('rows = -1; should be default height');
  64 parent.innerHTML = '<textarea rows="-1">rows = -1; should be default height</textarea>';
  65 textarea = parent.firstChild;
  66 shouldBe('textarea.rows', 'defaultRows');
  67 shouldBe('textarea.offsetHeight', 'defaultHeight');
  68 shouldBe('textarea.offsetWidth', 'defaultWidth');
  69
  70 debug('rows = x; should be default height');
  71 parent.innerHTML = '<textarea rows="x">rows = x; should be default height</textarea>';
  72 textarea = parent.firstChild;
  73 shouldBe('textarea.rows', 'defaultRows');
  74 shouldBe('textarea.offsetHeight', 'defaultHeight');
  75 shouldBe('textarea.offsetWidth', 'defaultWidth');
  76
  77 debug('cols = 1');
  78 parent.innerHTML = '<textarea cols="1">cols = 1</textarea>';
  79 textarea = parent.firstChild;
  80 shouldBe('textarea.cols', '1');
  81 shouldBeTrue('textarea.offsetWidth > 0');
  82 shouldBeTrue('textarea.offsetWidth < defaultWidth');
  83 shouldBe('textarea.offsetHeight', 'defaultHeight');
  84
  85 debug('cols = 20; should match default width');
  86 parent.innerHTML = '<textarea cols="20">cols = 20; should match default width</textarea>';
  87 textarea = parent.firstChild;
  88 shouldBe('textarea.cols', 'defaultCols');
  89 shouldBe('textarea.offsetWidth', 'defaultWidth');
  90 shouldBe('textarea.offsetHeight', 'defaultHeight');
  91
  92 debug('cols = 40');
  93 parent.innerHTML = '<textarea cols="40">cols = 40</textarea>';
  94 textarea = parent.firstChild;
  95 shouldBe('textarea.cols', '40');
  96 shouldBeTrue('textarea.offsetWidth > defaultWidth');
  97 shouldBe('textarea.offsetHeight', 'defaultHeight');
  98
  99 debug('cols; should be default width');
 100 parent.innerHTML = '<textarea cols>cols; should be default width</textarea>';
 101 textarea = parent.firstChild;
 102 shouldBe('textarea.cols', 'defaultCols');
 103 shouldBe('textarea.offsetWidth', 'defaultWidth');
 104 shouldBe('textarea.offsetHeight', 'defaultHeight');
 105
 106 debug('cols = 0; should be default width');
 107 parent.innerHTML = '<textarea cols="0">cols = 0; should be default width</textarea>';
 108 textarea = parent.firstChild;
 109 shouldBe('textarea.cols', 'defaultCols');
 110 shouldBe('textarea.offsetWidth', 'defaultWidth');
 111 shouldBe('textarea.offsetHeight', 'defaultHeight');
 112
 113 debug('cols = -1; should be default width');
 114 parent.innerHTML = '<textarea cols="-1">cols = -1; should be default width</textarea>';
 115 textarea = parent.firstChild;
 116 shouldBe('textarea.cols', 'defaultCols');
 117 shouldBe('textarea.offsetWidth', 'defaultWidth');
 118 shouldBe('textarea.offsetHeight', 'defaultHeight');
 119
 120 debug('cols = x; should be default width');
 121 parent.innerHTML = '<textarea cols="x">cols = x; should be default width</textarea>';
 122 textarea = parent.firstChild;
 123 shouldBe('textarea.cols', 'defaultCols');
 124 shouldBe('textarea.offsetWidth', 'defaultWidth');
 125 shouldBe('textarea.offsetHeight', 'defaultHeight');
 126 </script>
 127 </body>
 128 </html>