| // Test case for issue #455: https://github.com/typetools/checker-framework/issues/455 |
| |
| import java.util.Objects; |
| |
| public final class ArraysMDE { |
| |
| public static int indexOf(Object[] a, Object[] sub) { |
| int a_index_max = a.length - sub.length + 1; |
| for (int i = 0; i <= a_index_max; i++) { |
| if (isSubarray(a, sub, i)) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| public static boolean isSubarray(Object[] a, Object[] sub, int a_offset) { |
| int a_len = a.length - a_offset; |
| int sub_len = sub.length; |
| if (a_len < sub_len) { |
| return false; |
| } |
| for (int i = 0; i < sub_len; i++) { |
| if (!Objects.equals(sub[i], a[a_offset + i])) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |
