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unchecked cast to captured wildcards (IDEA-21547)

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Anna Kozlova
2012-11-04 14:26:18 +01:00
parent c3961104fb
commit e2d4d30081
2 changed files with 40 additions and 0 deletions
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java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/UncheckedCasts.java
+36
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@@ -70,3 +70,39 @@ class UncheckedCastFalsePositive {
}
}
class IDEA21547 {
class O {}
class A<<warning descr="Type parameter 'T' is never used">T</warning>> {}
class B<K extends O> extends A<K>{}
public void bar(A<? extends O> a, B<O> b) {
b = <warning descr="Unchecked cast: 'IDEA21547.A<capture<? extends IDEA21547.O>>' to 'IDEA21547.B<IDEA21547.O>'">(B<O>)a</warning>;
System.out.println(b);
}
public void bar1(A<?> a, B<O> b) {
b = <warning descr="Unchecked cast: 'IDEA21547.A<capture<?>>' to 'IDEA21547.B<IDEA21547.O>'">(B<O>)a</warning>;
System.out.println(b);
}
public void bar2(A<?> a, B<?> b) {
b = <warning descr="Unchecked cast: 'IDEA21547.A<capture<?>>' to 'IDEA21547.B<IDEA21547.O>'">(B<O>)a</warning>;
System.out.println(b);
}
public void bar4(A<? extends O> a, B<?> b) {
b = <warning descr="Unchecked cast: 'IDEA21547.A<capture<? extends IDEA21547.O>>' to 'IDEA21547.B<IDEA21547.O>'">(B<O>)a</warning>;
System.out.println(b);
}
public void bar5(A<? super O> a, B<?> b) {
b = <warning descr="Unchecked cast: 'IDEA21547.A<capture<? super IDEA21547.O>>' to 'IDEA21547.B<IDEA21547.O>'">(B<O>)a</warning>;
System.out.println(b);
}
public void bar6(A a, B<?> b) {
b = <warning descr="Unchecked cast: 'IDEA21547.A' to 'IDEA21547.B<IDEA21547.O>'">(B<O>)a</warning>;
System.out.println(b);
}
}