Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/6563143/OverridesEqualsButNotHashCodeTest.java
test/tools/javac/6563143/OverridesEqualsButNotHashCodeTest.java
- changeset 1607
- bd49e0304281
- parent 1588
- 2620c953e9fe
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| 1606:ccbe7ffdd867 | 1607:bd49e0304281 |
|---|---|
| 1 /* | 1 /* |
| 2 * @test /nodynamiccopyright/ | 2 * @test /nodynamiccopyright/ |
| 3 * @bug 6563143 | 3 * @bug 6563143 8008436 |
| 4 * @summary javac should issue a warning for overriding equals without hashCode | 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 | |
| 5 * @compile/ref=OverridesEqualsButNotHashCodeTest.out -Xlint:overrides -XDrawDiagnostics OverridesEqualsButNotHashCodeTest.java | 7 * @compile/ref=OverridesEqualsButNotHashCodeTest.out -Xlint:overrides -XDrawDiagnostics OverridesEqualsButNotHashCodeTest.java |
| 6 */ | 8 */ |
| 7 | 9 |
| 8 @SuppressWarnings("overrides") | |
| 9 public class OverridesEqualsButNotHashCodeTest { | 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 { | |
| 10 @Override | 23 @Override |
| 11 public boolean equals(Object o) { | 24 public boolean equals(Object o) { |
| 12 return o == this; | 25 return o == this; |
| 13 } | 26 } |
| 14 } | 27 } |
| 15 | 28 |
| 16 class Other { | 29 @SuppressWarnings("overrides") |
| 30 class NoWarning { | |
| 17 @Override | 31 @Override |
| 18 public boolean equals(Object o) { | 32 public boolean equals(Object o) { |
| 19 return o == this; | 33 return o == this; |
| 20 } | 34 } |
| 21 } | 35 } |
| 22 | 36 |
| 37 class DoWarnMe { | |
| 38 @Override | |
| 39 public boolean equals(Object o) { | |
| 40 return o == this; | |
| 41 } | |
| 42 } |
