third_party/WebKit/LayoutTests/fast/canvas/canvas-createImageBitmap-invalid-args.html

   1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
   2 <html>
   3 <head>
   4 <script src="../../resources/js-test.js"></script>
   5 </head>
   6 <body>
   7 <script>
   8 description("Ensure correct behavior of createImageBitmap for invalid inputs.");
   9 window.jsTestIsAsync = true;
  10
  11 var reason;
  12
  13 function shouldBeRejected(promise, message) {
  14     return promise.then(function() {
  15         testFailed('Resolved unexpectedly: ' + message);
  16     }, function(e) {
  17         reason = e;
  18         testPassed('Rejected as expected: ' + message);
  19         shouldBeTrue('reason instanceof Error');
  20         debug(e);
  21     });
  22 }
  23
  24 function checkInvalidRange(source, message) {
  25     return Promise.resolve().then(function() {
  26         return shouldBeRejected(createImageBitmap(source, 0, 0, 10, 0), message + ' / invalid range');
  27     }).then(function() {
  28         return shouldBeRejected(createImageBitmap(source, 0, 0, 0, 10), message + ' / invalid range');
  29     });
  30 }
  31
  32 function createCanvas() {
  33     return new Promise(function(resolve, reject) {
  34         var canvas = document.createElement('canvas');
  35         canvas.setAttribute('width', '200');
  36         canvas.setAttribute('height', '200');
  37         resolve(canvas);
  38     });
  39 }
  40
  41 function createInvalidCanvas() {
  42     // Create a terapixel canvas to generate an invalid canvas through
  43     // allocation failure
  44     return new Promise(function(resolve, reject) {
  45         var canvas = document.createElement('canvas');
  46         canvas.setAttribute('width', '100000000');
  47         canvas.setAttribute('height', '100000000');
  48         resolve(canvas);
  49     });
  50 }
  51
  52 function createVideo() {
  53     return new Promise(function(resolve, reject) {
  54         var video = document.createElement('video');
  55         video.addEventListener('canplaythrough', resolve.bind(undefined, video), false);
  56         video.src = '../../compositing/resources/video.ogv';
  57     });
  58 }
  59
  60 function createImage() {
  61     return createCanvas().then(function(canvas) {
  62         var image = new Image();
  63         var promise = new Promise(function(resolve, reject) {
  64             image.onload = resolve.bind(undefined, image);
  65         });
  66         image.src = canvas.toDataURL();
  67         return promise;
  68     });
  69 }
  70
  71 function createBlob(url) {
  72     return new Promise(function(resolve, reject) {
  73         var xhr = new XMLHttpRequest();
  74         xhr.open('GET', url);
  75         xhr.responseType = 'blob';
  76         xhr.onload = function() {
  77             resolve(xhr.response);
  78         };
  79         xhr.onerror = reject;
  80         xhr.send();
  81     });
  82 }
  83
  84 Promise.resolve().then(function() {
  85     return shouldBeRejected(createImageBitmap(undefined), 'undefined');
  86 }).then(function() {
  87     return shouldBeRejected(createImageBitmap(null), 'null');
  88 }).then(function() {
  89     return shouldBeRejected(createImageBitmap(new Image), 'empty image');
  90 }).then(function() {
  91     return shouldBeRejected(createImageBitmap(document.createElement('video')), 'empty video');
  92 }).then(function() {
  93     return createImage().then(function(image) {
  94         return checkInvalidRange(image, 'image');
  95     });
  96 }).then(function() {
  97     return createVideo().then(function(video) {
  98         return checkInvalidRange(video, 'video');
  99     });
 100 }).then(function() {
 101     return createCanvas().then(function(canvas) {
 102         return checkInvalidRange(canvas, 'canvas');
 103     });
 104 }).then(function() {
 105     return createCanvas().then(function(canvas) {
 106         return checkInvalidRange(canvas.getContext('2d'), 'canvas context');
 107     });
 108 }).then(function() {
 109     return createCanvas().then(function(canvas) {
 110         var imagedata = canvas.getContext('2d').getImageData(0, 0, canvas.width, canvas.height);
 111         return checkInvalidRange(imagedata, 'canvas imagedata')
 112     });
 113 }).then(function() {
 114     return createImage().then(function(image) {
 115         return createImageBitmap(image);
 116     }).then(function(bitmap) {
 117         return checkInvalidRange(bitmap, 'image bitmap');
 118     });
 119 }).then(function() {
 120     return createBlob('resources/pattern.png').then(function(blob) {
 121         return checkInvalidRange(blob, 'blob');
 122     });
 123 }).then(function() {
 124     return createBlob('resources/shadow-offset.js').then(function(blob) {
 125         return shouldBeRejected(createImageBitmap(blob), 'invalid blob');
 126     });
 127 }).then(function() {
 128     return createInvalidCanvas().then(function(invalidCanvas) {
 129         return shouldBeRejected(createImageBitmap(invalidCanvas), 'invalid canvas');
 130     });
 131 }).catch(function(e) {
 132     testFailed('Unexpected rejection: ' + e);
 133 }).then(finishJSTest, finishJSTest);
 134
 135 </script>
 136 </body>
 137 </html>