third_party/WebKit/LayoutTests/fast/canvas/draw-focus-if-needed.html

   1 <!DOCTYPE HTML>
   2 <head>
   3 <title>Canvas test: drawFocusIfNeeded</title>
   4 <script src="../../resources/js-test.js"></script>
   5 </head>
   6 <body style="padding: 0; margin: 0">
   7 <canvas id="canvas" class="output" width="300" height="350">
   8     <button id="button1"></button>
   9     <button id="button2"></button>
  10 </canvas>
  11 <script>
  12 if (window.testRunner)
  13     testRunner.dumpAsText();
  14
  15 document.getElementById("button1").focus();
  16
  17 var canvas = document.getElementById("canvas").getContext("2d");
  18
  19 shouldThrow('canvas.drawFocusIfNeeded(null);');
  20 shouldThrow('canvas.drawFocusIfNeeded();');
  21
  22 canvas.beginPath();
  23 canvas.rect(50, 50, 200, 100);
  24 canvas.fillStyle = "#ccf";
  25 canvas.fill();
  26 // re-test null case after having defined a path (regression test for crbug.com/353248)
  27 shouldThrow('canvas.drawFocusIfNeeded(null);');
  28 canvas.drawFocusIfNeeded(document.getElementById("button1"));
  29
  30 canvas.beginPath();
  31 canvas.rect(50, 200, 200, 100);
  32 canvas.fillStyle = "#cfc";
  33 canvas.fill();
  34 canvas.drawFocusIfNeeded(document.getElementById("button2"));
  35
  36 // The top rect"s focus ring is tied to button1, which is focused.
  37 // It should have an outline in some color other than the background color.
  38 var imageData = canvas.getImageData(49, 50, 1, 1);
  39 var data = imageData.data;
  40 shouldBe("data[0] != 0 || data[1] != 0 || data[2] != 0", "true");
  41
  42 // The bottom rect"s focus ring is tied to button2, which is not focused.
  43 imageData = canvas.getImageData(49, 200, 1, 1);
  44 data = imageData.data;
  45 shouldBe("data[0] == 0 && data[1] == 0 && data[2] == 0", "true");
  46 </script>
  47 </body>