Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/6563143/EqualsHashCodeWarningTest.java
test/tools/javac/6563143/EqualsHashCodeWarningTest.java
- changeset 1620
- 3806171b52d8
- parent 1607
- bd49e0304281
- child 2525
- 2eb010b6cb22
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| 1619:c98b3e96c726 | 1620:3806171b52d8 |
|---|---|
| 1 /* | |
| 2 * @test /nodynamiccopyright/ | |
| 3 * @bug 6563143 8008436 8009138 | |
| 4 * @summary javac should issue a warning for overriding equals without hashCode | |
| 5 * @summary javac should not issue a warning for overriding equals without hasCode | |
| 6 * @summary javac, equals-hashCode warning tuning | |
| 7 * if hashCode has been overriden by a superclass | |
| 8 * @compile/ref=EqualsHashCodeWarningTest.out -Xlint:overrides -XDrawDiagnostics EqualsHashCodeWarningTest.java | |
| 9 */ | |
| 10 | |
| 11 import java.util.Comparator; | |
| 12 | |
| 13 public class EqualsHashCodeWarningTest { | |
| 14 @Override | |
| 15 public boolean equals(Object o) { | |
| 16 return o == this; | |
| 17 } | |
| 18 | |
| 19 @Override | |
| 20 public int hashCode() { | |
| 21 return 0; | |
| 22 } | |
| 23 | |
| 24 public Comparator m() { | |
| 25 return new Comparator() { | |
| 26 @Override | |
| 27 public boolean equals(Object o) {return true;} | |
| 28 | |
| 29 @Override | |
| 30 public int compare(Object o1, Object o2) { | |
| 31 return 0; | |
| 32 } | |
| 33 }; | |
| 34 } | |
| 35 } | |
| 36 | |
| 37 class SubClass extends EqualsHashCodeWarningTest { | |
| 38 @Override | |
| 39 public boolean equals(Object o) { | |
| 40 return true; | |
| 41 } | |
| 42 } | |
| 43 | |
| 44 @SuppressWarnings("overrides") | |
| 45 class DontWarnMe { | |
| 46 @Override | |
| 47 public boolean equals(Object o) { | |
| 48 return true; | |
| 49 } | |
| 50 } | |
| 51 | |
| 52 class DoWarnMe { | |
| 53 @Override | |
| 54 public boolean equals(Object o) { | |
| 55 return o == this; | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 abstract class IamAbstractGetMeOutOfHere { | |
| 60 public boolean equals(Object o){return true;} | |
| 61 } | |
| 62 | |
| 63 interface I { | |
| 64 public boolean equals(Object o); | |
| 65 } | |
| 66 | |
| 67 enum E { | |
| 68 A, B | |
| 69 } | |
| 70 | |
| 71 @interface anno {} |
