third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-drawImage-incomplete.js

   1 description("Test that drawImage() does nothing with an incomplete image or video");
   2
   3 if (window.testRunner)
   4     testRunner.dumpAsText();
   5
   6 var canvas = document.createElement("canvas");
   7 var ctx = canvas.getContext('2d');
   8 ctx.fillStyle = 'red';
   9 ctx.fillRect(0,0,150,150);
  10
  11 var img = new Image();
  12 img.src = '../../http/tests/misc/resources/image-slow.pl';
  13
  14 var video = document.createElement("video");
  15
  16 shouldBe("ctx.drawImage(img, 0, 0)", "undefined");
  17
  18 var imgdata = ctx.getImageData(0, 0, 1, 1).data;
  19 shouldBe("imgdata[0]", "255");
  20 shouldBe("imgdata[1]", "0");
  21 shouldBe("imgdata[2]", "0");
  22 shouldBe("imgdata[3]", "255");
  23
  24 shouldBe("ctx.drawImage(video, 0, 0)", "undefined");
  25
  26 imgdata = ctx.getImageData(0, 0, 1, 1).data;
  27 shouldBe("imgdata[0]", "255");
  28 shouldBe("imgdata[1]", "0");
  29 shouldBe("imgdata[2]", "0");
  30 shouldBe("imgdata[3]", "255");