| // Test case for Issue 296: |
| // https://github.com/typetools/checker-framework/issues/296 |
| |
| import java.util.Arrays; |
| import org.checkerframework.checker.nullness.qual.NonNull; |
| import org.checkerframework.checker.nullness.qual.Nullable; |
| |
| // Note that with -AinvariantArrays we would get additional errors. |
| public class Issue296 { |
| public static <T> void f1(T[] a) { |
| @Nullable T[] r1 = Arrays.copyOf(a, a.length + 1); |
| // :: error: (argument) |
| @Nullable T[] r2 = Arrays.<@NonNull T>copyOf(a, a.length + 1); |
| @Nullable T[] r3 = Arrays.<@Nullable T>copyOf(a, a.length + 1); |
| } |
| |
| public static <T> void f2(@NonNull T[] a) { |
| @Nullable T[] r1 = Arrays.copyOf(a, a.length + 1); |
| @Nullable T[] r2 = Arrays.<@NonNull T>copyOf(a, a.length + 1); |
| @Nullable T[] r3 = Arrays.<@Nullable T>copyOf(a, a.length + 1); |
| } |
| |
| public static <T> void f3(@Nullable T[] a) { |
| @Nullable T[] r1 = Arrays.copyOf(a, a.length + 1); |
| // :: error: (argument) |
| @Nullable T[] r2 = Arrays.<@NonNull T>copyOf(a, a.length + 1); |
| @Nullable T[] r3 = Arrays.<@Nullable T>copyOf(a, a.length + 1); |
| } |
| } |