Untainted canvas:
PASS: Calling getImageData() from an untainted canvas was allowed.
PASS: Calling toDataURL() on an untainted canvas was allowed.


Tainted canvas:
PASS: Calling getImageData() from a canvas tainted by a remote image was not allowed - Threw error: Error: SECURITY_ERR: DOM Exception 18.
PASS: Calling toDataURL() on a canvas tainted by a remote image was not allowed - Threw error: Error: SECURITY_ERR: DOM Exception 18.
PASS: Calling getImageData() from a canvas tainted by a tained canvas was not allowed - Threw error: Error: SECURITY_ERR: DOM Exception 18.
PASS: Calling toDataURL() on a canvas tainted by a tained canvas was not allowed - Threw error: Error: SECURITY_ERR: DOM Exception 18.
PASS: Calling getImageData() from a canvas tainted by a remote image tainted pattern was not allowed - Threw error: Error: SECURITY_ERR: DOM Exception 18.
PASS: Calling toDataURL() on a canvas tainted by a remote image tainted pattern was not allowed - Threw error: Error: SECURITY_ERR: DOM Exception 18.
PASS: Calling getImageData() from a canvas tainted by a tainted canvas pattern was not allowed - Threw error: Error: SECURITY_ERR: DOM Exception 18.
PASS: Calling toDataURL() on a canvas tainted by a tainted canvas pattern was not allowed - Threw error: Error: SECURITY_ERR: DOM Exception 18.