Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/6563143/OverridesEqualsButNotHashCodeTest.java
test/tools/javac/6563143/OverridesEqualsButNotHashCodeTest.java
- changeset 1620
- 3806171b52d8
- parent 1607
- bd49e0304281
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| 1619:c98b3e96c726 | 1620:3806171b52d8 |
|---|---|
| 1 /* | |
| 2 * @test /nodynamiccopyright/ | |
| 3 * @bug 6563143 8008436 | |
| 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 * if hashCode has been overriden by a superclass | |
| 7 * @compile/ref=OverridesEqualsButNotHashCodeTest.out -Xlint:overrides -XDrawDiagnostics OverridesEqualsButNotHashCodeTest.java | |
| 8 */ | |
| 9 | |
| 10 public class OverridesEqualsButNotHashCodeTest { | |
| 11 @Override | |
| 12 public boolean equals(Object o) { | |
| 13 return o == this; | |
| 14 } | |
| 15 | |
| 16 @Override | |
| 17 public int hashCode() { | |
| 18 return 0; | |
| 19 } | |
| 20 } | |
| 21 | |
| 22 class SubClass extends OverridesEqualsButNotHashCodeTest { | |
| 23 @Override | |
| 24 public boolean equals(Object o) { | |
| 25 return o == this; | |
| 26 } | |
| 27 } | |
| 28 | |
| 29 @SuppressWarnings("overrides") | |
| 30 class NoWarning { | |
| 31 @Override | |
| 32 public boolean equals(Object o) { | |
| 33 return o == this; | |
| 34 } | |
| 35 } | |
| 36 | |
| 37 class DoWarnMe { | |
| 38 @Override | |
| 39 public boolean equals(Object o) { | |
| 40 return o == this; | |
| 41 } | |
| 42 } |
