import org.checkerframework.common.value.qual.*;

class MinLenEqTransfer {
    void eq_check(int[] a) {
        if (1 == a.length) {
            int @MinLen(1) [] b = a;
        }
        if (a.length == 1) {
            int @MinLen(1) [] b = a;
        }
    }

    void eq_bad_check(int[] a) {
        if (1 == a.length) {
            // :: error: (assignment.type.incompatible)
            int @MinLen(2) [] b = a;
        }
    }

    int @MinLen(2) [] test(int[] a) {
        if (a.length == 100 || a.length == 3) {
            int x = a.length;
            return a;
        } else if (a.length == 0 || a.length == 1) {
            int x = a.length;
            // :: error: (return.type.incompatible)
            return a;
        }
        return new int[] {1, 2};
    }
}