vromero@1588: /*
vromero@1588:  * @test /nodynamiccopyright/
vromero@1620:  * @bug 6563143 8008436 8009138
vromero@1588:  * @summary javac should issue a warning for overriding equals without hashCode
vromero@1607:  * @summary javac should not issue a warning for overriding equals without hasCode
vromero@1620:  * @summary javac, equals-hashCode warning tuning
vromero@1607:  * if hashCode has been overriden by a superclass
vromero@1620:  * @compile/ref=EqualsHashCodeWarningTest.out -Xlint:overrides -XDrawDiagnostics EqualsHashCodeWarningTest.java
vromero@1588:  */
vromero@1588: 
vromero@1620: import java.util.Comparator;
vromero@1620: 
vromero@1620: public class EqualsHashCodeWarningTest {
vromero@1588:     @Override
vromero@1588:     public boolean equals(Object o) {
vromero@1588:         return o == this;
vromero@1588:     }
vromero@1607: 
vromero@1607:     @Override
vromero@1607:     public int hashCode() {
vromero@1607:         return 0;
vromero@1607:     }
vromero@1620: 
vromero@1620:     public Comparator m() {
vromero@1620:         return new Comparator() {
vromero@1620:             @Override
vromero@1620:             public boolean equals(Object o) {return true;}
vromero@1620: 
vromero@1620:             @Override
vromero@1620:             public int compare(Object o1, Object o2) {
vromero@1620:                 return 0;
vromero@1620:             }
vromero@1620:         };
vromero@1620:     }
vromero@1607: }
vromero@1607: 
vromero@1620: class SubClass extends EqualsHashCodeWarningTest {
vromero@1607:     @Override
vromero@1607:     public boolean equals(Object o) {
vromero@1620:         return true;
vromero@1607:     }
vromero@1588: }
vromero@1588: 
vromero@1607: @SuppressWarnings("overrides")
vromero@1620: class DontWarnMe {
vromero@1588:     @Override
vromero@1588:     public boolean equals(Object o) {
vromero@1620:         return true;
vromero@1588:     }
vromero@1588: }
vromero@1588: 
vromero@1607: class DoWarnMe {
vromero@1607:     @Override
vromero@1607:     public boolean equals(Object o) {
vromero@1607:         return o == this;
vromero@1607:     }
vromero@1607: }
vromero@1620: 
vromero@1620: abstract class IamAbstractGetMeOutOfHere {
vromero@1620:     public boolean equals(Object o){return true;}
vromero@1620: }
vromero@1620: 
vromero@1620: interface I {
vromero@1620:     public boolean equals(Object o);
vromero@1620: }
vromero@1620: 
vromero@1620: enum E {
vromero@1620:     A, B
vromero@1620: }
vromero@1620: 
vromero@1620: @interface anno {}