test_ImageData_ctor.html (5593B)
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>