Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/T6227617.java
test/tools/javac/T6227617.java
- changeset 1
- 9a66ca7c79fa
- child 611
- 4172cfff05f0
equal
deleted
inserted
replaced
| -1:000000000000 | 1:9a66ca7c79fa |
|---|---|
| 1 /* | |
| 2 * @test /nodynamiccopyright/ | |
| 3 * @bug 6227617 | |
| 4 * @summary Lint option for redundant casts | |
| 5 * @compile -Werror T6227617.java | |
| 6 * @compile/ref=T6227617.out -XDstdout -XDrawDiagnostics -Xlint:cast T6227617.java | |
| 7 */ | |
| 8 import java.util.HashMap; | |
| 9 import java.util.Map; | |
| 10 | |
| 11 class T6227617 { | |
| 12 void m() { | |
| 13 int i1 = 2; | |
| 14 int i2 = (int) i1; // warn | |
| 15 | |
| 16 float f1 = 1f; | |
| 17 int i3 = (int) f1; | |
| 18 | |
| 19 String s = (String) ""; // warn | |
| 20 Object o = (Object) ""; | |
| 21 | |
| 22 Map<String, Integer> m = new HashMap<String, Integer>(); | |
| 23 Integer I1 = (Integer) m.get(""); // warn | |
| 24 } | |
| 25 | |
| 26 // The following cause NPE in Attr with an Attr-based solution for -Xlint:cast | |
| 27 static final int i1 = Foo.i1; | |
| 28 static final String s = Foo.s; | |
| 29 } | |
| 30 | |
| 31 class Foo | |
| 32 { | |
| 33 static final int i1 = (int) 1; | |
| 34 static final int i2 = (int) 1L; | |
| 35 | |
| 36 static final String s = (String) "abc"; | |
| 37 } |
