42 lines
1.2 KiB
Java
42 lines
1.2 KiB
Java
/*
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* @test /nodynamiccopyright/
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* @bug 8008813
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* @summary Structural most specific fails when method reference is passed to overloaded method
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* @compile/fail/ref=MostSpecific08.out -XDrawDiagnostics MostSpecific08.java
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*/
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class MostSpecific08 {
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static class C {
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int getInt() { return -1; }
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Integer getInteger() { return -1; }
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}
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interface IntResult { }
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interface ReferenceResult<X> { }
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interface PrimitiveFunction {
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int f(C c);
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}
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interface ReferenceFunction<X> {
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X f(C c);
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}
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interface Tester {
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IntResult apply(PrimitiveFunction p);
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<Z> ReferenceResult<Z> apply(ReferenceFunction<Z> p);
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}
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void testMref(Tester t) {
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IntResult pr = t.apply(C::getInt); //ok - unoverloaded mref
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ReferenceResult<Integer> rr = t.apply(C::getInteger); //ok - unoverloaded mref
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}
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void testLambda(Tester t) {
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IntResult pr1 = t.apply(c->c.getInt()); //ambiguous - implicit
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IntResult pr2 = t.apply((C c)->c.getInt()); //ok
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ReferenceResult<Integer> rr1 = t.apply(c->c.getInteger()); //ambiguous - implicit
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ReferenceResult<Integer> rr2 = t.apply((C c)->c.getInteger()); //ok
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}
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}
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