1/*
2 * @test  /nodynamiccopyright/
3 * @bug 6227617
4 * @summary Lint option for redundant casts
5 * @compile -Werror T6227617.java
6 * @compile/ref=T6227617.out -XDrawDiagnostics -Xlint:cast T6227617.java
7 */
8import java.util.HashMap;
9import java.util.Map;
10
11class T6227617 {
12    void m() {
13        int i1 = 2;
14        int i2 = (int) i1;  // warn
15
16        float f1 = 1f;
17        int i3 = (int) f1;
18
19        String s = (String) ""; // warn
20        Object o = (Object) "";
21
22        Map<String, Integer> m = new HashMap<String, Integer>();
23        Integer I1 = (Integer) m.get(""); // warn
24    }
25
26    // The following cause NPE in Attr with an Attr-based solution for -Xlint:cast
27    static final int i1 = Foo.i1;
28    static final String s = Foo.s;
29}
30
31class Foo
32{
33    static final int i1 = (int) 1;
34    static final int i2 = (int) 1L;
35
36    static final String s = (String) "abc";
37}
38