third_party/WebKit/LayoutTests/editing/text-iterator/range-to-from-location-and-length.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="../../resources/js-test.js"></script>
   5 </head>
   6 <body>
   7 <div id="test" contenteditable>
   8 <p>  hello<br>
   9 world.</p>
  10 <blockquote><div>|<br></div></blockquote>
  11 <em>webkit</em>
  12 </div>
  13 <div id="console"></div>
  14 <script>
  15
  16 if (!window.internals)
  17     testFailed('This test requires internals object');
  18 else {
  19     var container = document.getElementById('test');
  20
  21     function range(startContainer, startOffset, endContainer, endOffset) {
  22         var range =  document.createRange();
  23         range.setStart(startContainer, startOffset);
  24         range.setEnd(endContainer, endOffset);
  25         return range;
  26     }
  27
  28     function locationAndLengthFromRange(range) {
  29         var location = internals.locationFromRange(container, range);
  30         var length = internals.lengthFromRange(container, range);
  31         return [location, length];
  32     }
  33
  34     Range.prototype.toArray = function () {
  35         return [this.startContainer, this.startOffset, this.endContainer, this.endOffset];
  36     }
  37
  38     var p = document.querySelector('#test p');
  39     var div = document.querySelector('#test div');
  40     var r = internals.rangeFromLocationAndLength(container, 0, 1);
  41     shouldBe('locationAndLengthFromRange(range(p.firstChild, 0, p.firstChild, 3))', '[0, 1]');
  42     shouldBe('locationAndLengthFromRange(range(p.firstChild, 1, p.firstChild, 4))', '[0, 2]');
  43     shouldBe('locationAndLengthFromRange(range(p.firstChild, 2, p.firstChild, 3))', '[0, 1]');
  44     shouldBe('internals.rangeFromLocationAndLength(container, 0, 1).toArray()', '[p.firstChild, 2, p.firstChild, 3]');
  45
  46     shouldBe('locationAndLengthFromRange(range(p.firstChild, 2, p.firstChild, 7))', '[0, 5]');
  47     shouldBe('locationAndLengthFromRange(range(p.firstChild, 2, p, 1))', '[0, 5]');
  48     shouldBe('locationAndLengthFromRange(range(p.firstChild, 2, p, 2))', '[0, 6]');
  49     shouldBe('locationAndLengthFromRange(range(p.firstChild, 2, p.childNodes[2], 1))', '[0, 6]');
  50     shouldBe('internals.rangeFromLocationAndLength(container, 1, 4).toArray()', '[p.firstChild, 3, p.firstChild, 7]');
  51     shouldBe('internals.rangeFromLocationAndLength(container, 0, 6).toArray()', '[p.firstChild, 2, p.childNodes[2], 1]');
  52
  53     shouldBe('locationAndLengthFromRange(range(p.childNodes[2], 6, p, 3))', '[11, 1]');
  54     shouldBe('internals.rangeFromLocationAndLength(container, 11, 2).toArray()', '[p.childNodes[2], 6, div, 0]');
  55
  56     container.style.display = 'none';
  57 }
  58
  59
  60 </script>
  61 </body>
  62 </html>