e202a05c38
Rules for unchecked cast conversion do not take into account type-containment Reviewed-by: jjg
22 lines
696 B
Java
22 lines
696 B
Java
/*
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* @test /nodynamiccopyright/
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* @author mcimadamore
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* @bug 6714835
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* @summary Safe cast is rejected (with warning) by javac
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* @compile/fail/ref=T6714835.out -Xlint:unchecked -Werror -XDrawDiagnostics T6714835.java
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*/
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import java.util.*;
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class T6714835 {
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void cast1(Iterable<? extends Integer> x) {
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Collection<? extends Number> x1 = (Collection<? extends Number>)x; //ok
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Collection<? super Integer> x2 = (Collection<? super Integer>)x; //warn
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}
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void cast2(Iterable<? super Number> x) {
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Collection<? super Integer> x1 = (Collection<? super Integer>)x; //ok
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Collection<? extends Number> x2 = (Collection<? extends Number>)x; //warn
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}
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}
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