Add workaround for Firefox PNG rounding bug

This commit is contained in:
Pierre Ossman 2020-09-28 12:24:56 +02:00 committed by Lauri Kasanen
parent 8b8201fd73
commit c6c2661121

View File

@ -128,8 +128,15 @@ describe('TightPng Decoder', function () {
0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255, 0xff, 0x00, 0x00, 255, 0xff, 0x00, 0x00, 255
]);
// Firefox currently has some very odd rounding bug:
// https://bugzilla.mozilla.org/show_bug.cgi?id=1667747
function almost(a, b) {
let diff = Math.abs(a - b);
return diff < 30;
}
display.onflush = () => {
expect(display).to.have.displayed(targetData);
expect(display).to.have.displayed(targetData, almost);
done();
};
display.flush();