third_party/WebKit/LayoutTests/fast/css/fontfaceset-set-operations.html

   1 <html>
   2 <head>
   3 <script src="../../resources/js-test.js"></script>
   4 <style>
   5 @font-face {
   6     font-family: Font1;
   7     src: local(Arial);
   8 }
   9
  10 @font-face {
  11     font-family: Font2;
  12     src: local(Arial);
  13 }
  14
  15 @font-face {
  16     font-family: Font3;
  17     src: local(Arial);
  18 }
  19 </style>
  20 <script>
  21 description('Tests Set operations of FontFaceSet.');
  22
  23 function runTests() {
  24     nonCssConnectedFace = new FontFace("MyFont", "local(Arial)", {});
  25
  26     shouldBe('document.fonts.size', '3');
  27
  28     thisArg = {};
  29     faces = [];
  30     document.fonts.forEach(function(face, faceAgain, set) {
  31         if (faces.length == 0) {
  32             callbackArgs = arguments;
  33             thisValue = this;
  34             shouldBeTrue('callbackArgs[0] === callbackArgs[1]');
  35             shouldBeTrue('callbackArgs[2] === document.fonts');
  36             shouldBeTrue('thisValue === thisArg');
  37         }
  38         faces.push(face);
  39     }, thisArg);
  40     shouldBe('faces.length', '3');
  41
  42     shouldBeEqualToString('faces[0].family', 'Font1');
  43     shouldBeEqualToString('faces[1].family', 'Font2');
  44     shouldBeEqualToString('faces[2].family', 'Font3');
  45
  46     shouldBeTrue('document.fonts.has(faces[0])');
  47     shouldBeTrue('document.fonts.has(faces[1])');
  48     shouldBeTrue('document.fonts.has(faces[2])');
  49     shouldBeFalse('document.fonts.has(nonCssConnectedFace)');
  50     shouldThrow('document.fonts.has("Font1")', '"TypeError: Failed to execute \'has\' on \'FontFaceSet\': The argument is not a FontFace."');
  51
  52     shouldThrow('document.fonts.add(faces[0])', '"InvalidModificationError: Failed to execute \'add\' on \'FontFaceSet\': Cannot add a CSS-connected FontFace."');
  53     shouldThrow('document.fonts.delete(faces[0])', '"InvalidModificationError: Failed to execute \'delete\' on \'FontFaceSet\': Cannot delete a CSS-connected FontFace."');
  54
  55     document.fonts.add(nonCssConnectedFace);
  56     shouldBe('document.fonts.size', '4');
  57     shouldBeTrue('document.fonts.has(nonCssConnectedFace)');
  58     document.fonts.add(nonCssConnectedFace);
  59     shouldBe('document.fonts.size', '4');
  60     document.fonts.delete(nonCssConnectedFace);
  61     shouldBe('document.fonts.size', '3');
  62     shouldBeFalse('document.fonts.has(nonCssConnectedFace)');
  63     document.fonts.delete(nonCssConnectedFace);
  64     shouldBe('document.fonts.size', '3');
  65
  66     document.fonts.add(nonCssConnectedFace);
  67     shouldBe('document.fonts.size', '4');
  68     document.fonts.clear();
  69     shouldBe('document.fonts.size', '3');
  70 }
  71
  72 if (document.fonts)
  73     runTests();
  74 else
  75     testFailed('document.fonts does not exist');
  76
  77 </script>
  78 </head>
  79 <body>
  80 </body>
  81 </html>