52 lines
1.4 KiB
Java
52 lines
1.4 KiB
Java
/*
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* @test /nodynamiccopyright/
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* @bug 6939780 7020044 8009459 8021338 8064365 8062373
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*
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* @summary add a warning to detect diamond sites (including anonymous class instance creation at source >= 9)
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* @author mcimadamore
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* @compile/ref=T6939780_7.out -Xlint:-options -source 7 T6939780.java -XDrawDiagnostics -XDfind=diamond
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* @compile/ref=T6939780_8.out -Xlint:-options -source 8 T6939780.java -XDrawDiagnostics -XDfind=diamond
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* @compile/ref=T6939780_9.out -Xlint:-options -source 9 T6939780.java -XDrawDiagnostics -XDfind=diamond
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*
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*/
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class T6939780 {
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static class Foo<X extends Number> {
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Foo() {}
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Foo(X x) {}
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}
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void testAssign() {
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Foo<Number> f1 = new Foo<Number>(1);
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Foo<?> f2 = new Foo<Number>();
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Foo<?> f3 = new Foo<Integer>();
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Foo<Number> f4 = new Foo<Number>(1) {};
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Foo<?> f5 = new Foo<Number>() {};
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Foo<?> f6 = new Foo<Integer>() {};
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}
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void testMethod() {
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gn(new Foo<Number>(1));
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gw(new Foo<Number>());
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gw(new Foo<Integer>());
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gn(new Foo<Number>(1) {});
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gw(new Foo<Number>() {});
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gw(new Foo<Integer>() {});
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}
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void gw(Foo<?> fw) { }
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void gn(Foo<Number> fn) { }
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static class Foo2<X> {
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X copy(X t) {
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return t;
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}
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}
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void testReciever() {
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Number s = new Foo2<Number>().copy(0);
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}
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}
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