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Update web-platform-tests to revision 0ed072539aa45d3a5a67c9164b243d27873f257c

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WPT Sync Bot 2019-12-13 08:23:34 +00:00
parent 0954871992
commit e613cfd108
76 changed files with 1109 additions and 703 deletions
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31
tests/wpt/web-platform-tests/loading/lazyload/common.js
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@ -12,3 +12,34 @@ class ElementLoadPromise {
return document.getElementById(this.element_id);
}
}
// Returns if the image is complete and the lazily loaded image matches the expected image.
function is_image_fully_loaded(image, expected_image) {
if (!image.complete || !expected_image.complete) {
return false;
}
if (image.width != expected_image.width ||
image.height != expected_image.height) {
return false;
}
let canvas = document.createElement('canvas');
canvas.width = image.width;
canvas.height = image.height;
let canvasContext = canvas.getContext("2d");
canvasContext.save();
canvasContext.drawImage(image, 0, 0);
let data = canvasContext.getImageData(0, 0, canvas.width, canvas.height).data;
canvasContext.restore();
canvasContext.drawImage(expected_image, 0, 0);
let expected_data = canvasContext.getImageData(0, 0, canvas.width, canvas.height).data;
for (var i = 0; i < data.length; i++) {
if (data[i] != expected_data[i]) {
return false;
}
}
return true;
}