Compute the size of a range, checking for overflow.
(long lo, long hi, int baseSize)
| 47 | * Compute the size of a range, checking for overflow. |
| 48 | */ |
| 49 | public static int checkedLoHiSize(long lo, long hi, int baseSize) { |
| 50 | final long additional = hi - lo; |
| 51 | if (additional < 0) { |
| 52 | throw new IllegalArgumentException("lo > hi"); |
| 53 | } |
| 54 | final long size = baseSize + additional; |
| 55 | |
| 56 | if (size > (long) Integer.MAX_VALUE) { |
| 57 | throw new IllegalArgumentException("size exceeds 2GiB limit"); |
| 58 | } |
| 59 | return (int) additional; |
| 60 | } |
| 61 | } |
no outgoing calls
no test coverage detected