duke@1: /*
duke@1:  * @test  /nodynamiccopyright/
duke@1:  * @bug 6227617
duke@1:  * @summary Lint option for redundant casts
duke@1:  * @compile -Werror T6227617.java
jjg@611:  * @compile/ref=T6227617.out -XDrawDiagnostics -Xlint:cast T6227617.java
duke@1:  */
duke@1: import java.util.HashMap;
duke@1: import java.util.Map;
duke@1: 
duke@1: class T6227617 {
duke@1:     void m() {
duke@1:         int i1 = 2;
duke@1:         int i2 = (int) i1;  // warn
duke@1: 
duke@1:         float f1 = 1f;
duke@1:         int i3 = (int) f1;
duke@1: 
duke@1:         String s = (String) ""; // warn
duke@1:         Object o = (Object) "";
duke@1: 
duke@1:         Map<String, Integer> m = new HashMap<String, Integer>();
duke@1:         Integer I1 = (Integer) m.get(""); // warn
duke@1:     }
duke@1: 
duke@1:     // The following cause NPE in Attr with an Attr-based solution for -Xlint:cast
duke@1:     static final int i1 = Foo.i1;
duke@1:     static final String s = Foo.s;
duke@1: }
duke@1: 
duke@1: class Foo
duke@1: {
duke@1:     static final int i1 = (int) 1;
duke@1:     static final int i2 = (int) 1L;
duke@1: 
duke@1:     static final String s = (String) "abc";
duke@1: }