| import org.checkerframework.checker.nullness.qual.NonNull; |
| import org.checkerframework.checker.nullness.qual.Nullable; |
| |
| public class WhileTest { |
| @Nullable Integer z; |
| @NonNull Integer nnz = Integer.valueOf(22); |
| |
| public static void main(String[] args) { |
| new WhileTest().testwhile1(); |
| } |
| |
| public void testwhile1() { |
| z = null; |
| // :: error: (assignment) |
| nnz = z; |
| |
| while (z == null) { |
| break; |
| } |
| // :: error: (assignment) |
| nnz = z; |
| nnz.toString(); |
| } |
| |
| public void testwhile2() { |
| z = null; |
| while (z == null) {} |
| nnz = z; |
| } |
| |
| public void testdo1() { |
| z = null; |
| do { |
| break; |
| } while (z == null); |
| // :: error: (assignment) |
| nnz = z; |
| } |
| |
| public void testdo2() { |
| z = null; |
| do {} while (z == null); |
| nnz = z; |
| } |
| |
| public void testfor1() { |
| z = null; |
| for (; z == null; ) { |
| break; |
| } |
| // :: error: (assignment) |
| nnz = z; |
| } |
| |
| public void testfor2() { |
| z = null; |
| for (; z == null; ) {} |
| nnz = z; |
| } |
| } |