dom/canvas/test/test_ImageData_ctor.html

   1 <!DOCTYPE HTML><meta charset=utf-8>
   2 <title>Canvas test: ImageData</title>
   3 <script type="text/javascript" src="/resources/testharness.js"></script>
   4 <script type="text/javascript" src="/resources/testharnessreport.js"></script>
   5 <body>
   6 <div id="log"></div>
   7 <script>
   8
   9 test(function() {
  10   assert_throws(new TypeError(), function(){ new ImageData(); });
  11   assert_throws(new TypeError(), function(){ new ImageData(1); });
  12   assert_throws(new TypeError(), function(){ new ImageData(new Uint8ClampedArray([1,2,3,4])); });
  13   assert_throws("IndexSizeError", function(){ new ImageData(0,0); });
  14   assert_throws("IndexSizeError", function(){ new ImageData(0,1); });
  15   assert_throws("IndexSizeError", function(){ new ImageData(1,0); });
  16   new ImageData(1,1);
  17   new ImageData(1,2);
  18   new ImageData(1,3);
  19   assert_throws("IndexSizeError", function(){ new ImageData(2,0); });
  20   new ImageData(2,1);
  21   new ImageData(2,2);
  22   assert_throws("IndexSizeError", function(){ new ImageData(32768,32768); });
  23   assert_throws("IndexSizeError", function(){ new ImageData(32768,32769); });
  24   assert_throws("IndexSizeError", function(){ new ImageData(32769,32768); });
  25   assert_throws("IndexSizeError", function(){ new ImageData(2,536870912); });
  26   assert_throws("IndexSizeError", function(){ new ImageData(2,536870913); });
  27   assert_throws("IndexSizeError", function(){ new ImageData(536870912,2); });
  28   assert_throws("IndexSizeError", function(){ new ImageData(536870913,2); });
  29   assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([]),0); });
  30   assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([]),0,0); });
  31   assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([]),1); });
  32   assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1]),1); });
  33   assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1,2]),1); });
  34   assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1,2,3]),1); });
  35   assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5]),1); });
  36   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),0); });
  37   new ImageData(new Uint8ClampedArray([1,2,3,4]),1);
  38   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),2); });
  39   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),0); });
  40   new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),1);
  41   new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),2);
  42   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),3); });
  43   assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([]),1,1); });
  44   assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1]),1,1); });
  45   assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1,2]),1,1); });
  46   assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1,2,3]),1,1); });
  47   assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5]),1,1); });
  48   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),0,0); });
  49   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),0,1); });
  50   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),0,2); });
  51   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),1,0); });
  52   new ImageData(new Uint8ClampedArray([1,2,3,4]),1,1);
  53   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),1,2); });
  54   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),2,0); });
  55   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),2,1); });
  56   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),2,2); });
  57   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),1,1); });
  58   new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),1,2);
  59   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),1,3); });
  60   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),2,0); });
  61   new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),2,1);
  62   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),2,2); });
  63   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),2,536870912); });
  64   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),2,536870913); });
  65   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),536870912,2); });
  66   assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),536870913,2); });
  67 }, "Test constructor arguments");
  68
  69 test(function() {
  70   var data = new Uint8ClampedArray([1,2,3,4,5,6,7,8]);
  71   var imgData = new ImageData(data,1);
  72   assert_equals(imgData.width, 1);
  73   assert_equals(imgData.height, 2);
  74   assert_array_equals(imgData.data, [1,2,3,4,5,6,7,8]);
  75   data.set([8,7,6,5,4,3,2,1]);
  76   assert_array_equals(imgData.data, [8,7,6,5,4,3,2,1]);
  77 }, "The data argument is not copied");
  78
  79 </script>
  80