third_party/WebKit/LayoutTests/editing/selection/addRange-failures.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <title>addRange failures</title>
   5 <script src="../../resources/js-test.js"></script>
   6 </head>
   7 <body>
   8 <script>
   9 description('Test error handling of Selection.addRange().');
  10
  11 var selection = window.getSelection();
  12
  13 function testNull()
  14 {
  15     selection.addRange(null);
  16 }
  17
  18 function testDetachedRange()
  19 {
  20     var range = new Range();
  21     range.detach();
  22     selection.addRange(range);
  23 }
  24
  25 function testOtherDocument()
  26 {
  27     var iframe = document.createElement('iframe');
  28     document.body.appendChild(iframe);
  29
  30     var range = iframe.contentDocument.createRange();
  31     selection.addRange(range);
  32
  33     document.body.removeChild(iframe);
  34 }
  35
  36 function testOtherDocumentFragments()
  37 {
  38     var shadowHost = document.createElement('div');
  39     var shadowRoot = shadowHost.createShadowRoot();
  40     document.body.appendChild(shadowHost);
  41
  42     var range = new Range();
  43     range.selectNodeContents(shadowRoot);
  44     selection.addRange(range);
  45
  46     document.body.removeChild(shadowHost);
  47 }
  48
  49 function runSingleTest(testFunction)
  50 {
  51     selection.removeAllRanges();
  52     var range = new Range();
  53     range.setStart(document.body, 0);
  54     range.setEnd(document.body, 0);
  55     selection.addRange(range);
  56
  57     debug('Running: ' + testFunction.name);
  58     testFunction(selection);
  59
  60     // Selection should stay at the same position.
  61     shouldEvaluateTo('selection.rangeCount', 1);
  62     shouldBeTrue('selection.getRangeAt(0).startContainer === document.body');
  63     shouldEvaluateTo('selection.getRangeAt(0).startOffset', 0);
  64     shouldBeTrue('selection.getRangeAt(0).endContainer === document.body');
  65     shouldEvaluateTo('selection.getRangeAt(0).endOffset', 0);
  66 }
  67
  68 var testFunctions = [testNull, testDetachedRange, testOtherDocument, testOtherDocumentFragments];
  69 testFunctions.forEach(runSingleTest);
  70 </script>
  71 </body>
  72 </html>