When running the API tests for WebKit2, CG spews to the terminal: Test: SpacebarScrolling -> Wed Nov 10 09:21:24 il0301a-dhcp72.apple.com TestWebKitAPI[44108] <Error>: CGContextTranslateCTM: invalid context 0x0 Wed Nov 10 09:21:24 il0301a-dhcp72.apple.com TestWebKitAPI[44108] <Error>: CGContextScaleCTM: invalid context 0x0 Wed Nov 10 09:21:24 il0301a-dhcp72.apple.com TestWebKitAPI[44108] <Error>: CGContextDrawImage: invalid context 0x0 Wed Nov 10 09:21:24 il0301a-dhcp72.apple.com TestWebKitAPI[44108] <Error>: CGContextTranslateCTM: invalid context 0x0 Wed Nov 10 09:21:24 il0301a-dhcp72.apple.com TestWebKitAPI[44108] <Error>: CGContextScaleCTM: invalid context 0x0 Wed Nov 10 09:21:24 il0301a-dhcp72.apple.com TestWebKitAPI[44108] <Error>: CGContextDrawImage: invalid context 0x0 Wed Nov 10 09:21:24 il0301a-dhcp72.apple.com TestWebKitAPI[44108] <Error>: CGContextTranslateCTM: invalid context 0x0 Wed Nov 10 09:21:24 il0301a-dhcp72.apple.com TestWebKitAPI[44108] <Error>: CGContextScaleCTM: invalid context 0x0 Wed Nov 10 09:21:24 il0301a-dhcp72.apple.com TestWebKitAPI[44108] <Error>: CGContextDrawImage: invalid context 0x0 Wed Nov 10 09:21:24 il0301a-dhcp72.apple.com TestWebKitAPI[44108] <Error>: CGContextTranslateCTM: invalid context 0x0 Wed Nov 10 09:21:24 il0301a-dhcp72.apple.com TestWebKitAPI[44108] <Error>: CGContextScaleCTM: invalid context 0x0 Wed Nov 10 09:21:24 il0301a-dhcp72.apple.com TestWebKitAPI[44108] <Error>: CGContextDrawImage: invalid context 0x0 Passed We should figure out why this is happening and fix it.
<rdar://problem/8652219>
This no longer happens.