33 lines
987 B
Java
33 lines
987 B
Java
/*
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* @test /nodynamiccopyright/
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* @bug 4897892
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* @summary cast to parameterized type is accepted although it should be rejected
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* @author gafter
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*
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* @compile/ref=AmbiguousCast.out -XDrawDiagnostics -Xlint:unchecked AmbiguousCast.java
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*/
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class Test {
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private static class GenericWrapper<Elem> {
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private Elem theObject;
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public GenericWrapper(Elem arg) {
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theObject = arg;
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}
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public <T extends Elem> GenericWrapper (GenericWrapper<T> other) {
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this.theObject = other.theObject;
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}
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public String toString() {
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return theObject.toString();
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}
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}
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private static GenericWrapper<String> method (Object wrappedString) {
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return (GenericWrapper<String>) wrappedString;
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}
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public static void main(String[] args) {
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System.out.println(method(new GenericWrapper<String>("abc")));
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System.out.println(method(new GenericWrapper<Exception>(new Exception())));
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}
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}
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