testing/web-platform/tests/html/canvas/element/filters/2d.filter.canvasFilterObject.tentative.html

   1 <!DOCTYPE html>
   2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
   3 <title>Canvas test: 2d.filter.canvasFilterObject.tentative</title>
   4 <script src="/resources/testharness.js"></script>
   5 <script src="/resources/testharnessreport.js"></script>
   6 <script src="/html/canvas/resources/canvas-tests.js"></script>
   7 <link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
   8 <body class="show_output">
   9
  10 <h1>2d.filter.canvasFilterObject.tentative</h1>
  11 <p class="desc">Test CanvasFilter() object</p>
  12
  13
  14 <p class="output">Actual output:</p>
  15 <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
  16
  17 <ul id="d"></ul>
  18 <script>
  19 var t = async_test("Test CanvasFilter() object");
  20 _addTest(function(canvas, ctx) {
  21
  22 _assert(ctx.filter == 'none', "ctx.filter == 'none'");
  23 ctx.filter = 'blur(5px)';
  24 _assert(ctx.filter == 'blur(5px)', "ctx.filter == 'blur(5px)'");
  25 ctx.filter = new CanvasFilter({filter: 'gaussianBlur', stdDeviation: 5});
  26 _assert(ctx.filter.toString() == '[object CanvasFilter]', "ctx.filter.toString() == '[object CanvasFilter]'");
  27 ctx.filter = new CanvasFilter([
  28     {filter: 'gaussianBlur', stdDeviation: 5},
  29     {filter: 'gaussianBlur', stdDeviation: 10}
  30 ]);
  31 _assert(ctx.filter.toString() == '[object CanvasFilter]', "ctx.filter.toString() == '[object CanvasFilter]'");
  32 var canvas2 = document.createElement('canvas');
  33 var ctx2 = canvas2.getContext('2d');
  34 ctx2.filter = ctx.filter;
  35 _assert(ctx.filter.toString() == '[object CanvasFilter]', "ctx.filter.toString() == '[object CanvasFilter]'");
  36 ctx.filter = 'blur(5px)';
  37 _assert(ctx.filter == 'blur(5px)', "ctx.filter == 'blur(5px)'");
  38 ctx.filter = 'none';
  39 _assert(ctx.filter == 'none', "ctx.filter == 'none'");
  40 ctx.filter = new CanvasFilter({filter: 'gaussianBlur', stdDeviation: 5});
  41 ctx.filter = 'this string is not a filter and should do nothing';
  42 _assert(ctx.filter.toString() == '[object CanvasFilter]', "ctx.filter.toString() == '[object CanvasFilter]'");
  43
  44
  45 });
  46 </script>
  47