third_party/WebKit/LayoutTests/fast/html/set-text-direction.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 <script language="javascript" type="text/javascript">
   8 description('Test that WebKit changes the dir attribute and sends an input event when we change the text direction.');
   9
  10 // The string used for storing the expected text direction when we receive an input event.
  11 var expected = '';
  12 var sentInputEvent = false;
  13
  14 function removeChildAndForceGC(child) {
  15     document.body.removeChild(child);
  16     gc();
  17 }
  18
  19 // Create a textarea element and an input element. These elements are used for
  20 // changing their text direction with Editor::setBaseWritingDirection() calls.
  21 var textarea = document.createElement('textarea');
  22 textarea.rows = 10;
  23 textarea.cols = 10;
  24 textarea.oninput = function() {
  25     shouldBe('expected', 'textarea.dir');
  26     sentInputEvent = true;
  27
  28     // When we change the direction to ltr, we remove this element to verify WebKit
  29     // continue running without crashes.
  30     if (expected == 'ltr')
  31         removeChildAndForceGC(textarea);
  32 }
  33 document.body.appendChild(textarea);
  34
  35 var input = document.createElement('input');
  36 input.type = 'text';
  37 input.oninput = function() {
  38     shouldBe('expected', 'input.dir');
  39     sentInputEvent = true;
  40
  41     // When we change the direction to ltr, we remove this element to verify WebKit
  42     // continue running without crashes.
  43     if (expected == 'ltr')
  44         removeChildAndForceGC(input);
  45 }
  46 document.body.appendChild(input);
  47
  48 // Change the text direction of the textarea element to RTL.
  49 expected = 'rtl';
  50 sentInputEvent = false;
  51 textarea.focus();
  52 testRunner.setTextDirection('rtl');
  53 shouldBeTrue('sentInputEvent');
  54
  55 // Change the text direction of the textarea element to LTR.
  56 // This also removes the element to verify WebKit works without crashes.
  57 expected = 'ltr';
  58 sentInputEvent = false;
  59 textarea.focus();
  60 testRunner.setTextDirection('ltr');
  61 shouldBeTrue('sentInputEvent');
  62
  63 // Change the text direction of the input element to RTL.
  64 expected = 'rtl';
  65 sentInputEvent = false;
  66 input.focus();
  67 testRunner.setTextDirection('rtl');
  68 shouldBeTrue('sentInputEvent');
  69
  70 // Change the text direction of the input element to LTR.
  71 // This also removes the element to verify WebKit works without crashes.
  72 expected = 'ltr';
  73 sentInputEvent = false;
  74 input.focus();
  75 testRunner.setTextDirection('ltr');
  76 shouldBeTrue('sentInputEvent');
  77 </script>
  78 </body>
  79 </html>