test_ImageData_ctor.html

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<title>Canvas test: ImageData</title>

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test(function() {

  assert_throws(new TypeError(), function(){ new ImageData(); });

  assert_throws(new TypeError(), function(){ new ImageData(1); });

  assert_throws(new TypeError(), function(){ new ImageData(new Uint8ClampedArray([1,2,3,4])); });

  assert_throws("IndexSizeError", function(){ new ImageData(0,0); });

  assert_throws("IndexSizeError", function(){ new ImageData(0,1); });

  assert_throws("IndexSizeError", function(){ new ImageData(1,0); });

  new ImageData(1,1);

  new ImageData(1,2);

  new ImageData(1,3);

  assert_throws("IndexSizeError", function(){ new ImageData(2,0); });

  new ImageData(2,1);

  new ImageData(2,2);

  assert_throws("IndexSizeError", function(){ new ImageData(32768,32768); });

  assert_throws("IndexSizeError", function(){ new ImageData(32768,32769); });

  assert_throws("IndexSizeError", function(){ new ImageData(32769,32768); });

  assert_throws("IndexSizeError", function(){ new ImageData(2,536870912); });

  assert_throws("IndexSizeError", function(){ new ImageData(2,536870913); });

  assert_throws("IndexSizeError", function(){ new ImageData(536870912,2); });

  assert_throws("IndexSizeError", function(){ new ImageData(536870913,2); });

  assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([]),0); });

  assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([]),0,0); });

  assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([]),1); });

  assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1]),1); });

  assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1,2]),1); });

  assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1,2,3]),1); });

  assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5]),1); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),0); });

  new ImageData(new Uint8ClampedArray([1,2,3,4]),1);

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),2); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),0); });

  new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),1);

  new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),2);

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),3); });

  assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([]),1,1); });

  assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1]),1,1); });

  assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1,2]),1,1); });

  assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1,2,3]),1,1); });

  assert_throws("InvalidStateError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5]),1,1); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),0,0); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),0,1); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),0,2); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),1,0); });

  new ImageData(new Uint8ClampedArray([1,2,3,4]),1,1);

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),1,2); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),2,0); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),2,1); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4]),2,2); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),1,1); });

  new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),1,2);

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),1,3); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),2,0); });

  new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),2,1);

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),2,2); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),2,536870912); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),2,536870913); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),536870912,2); });

  assert_throws("IndexSizeError", function(){ new ImageData(new Uint8ClampedArray([1,2,3,4,5,6,7,8]),536870913,2); });

}, "Test constructor arguments");

test(function() {

  var data = new Uint8ClampedArray([1,2,3,4,5,6,7,8]);

  var imgData = new ImageData(data,1);

  assert_equals(imgData.width, 1);

  assert_equals(imgData.height, 2);

  assert_array_equals(imgData.data, [1,2,3,4,5,6,7,8]);

  data.set([8,7,6,5,4,3,2,1]);

  assert_array_equals(imgData.data, [8,7,6,5,4,3,2,1]);

}, "The data argument is not copied");

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