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test/langtools/tools/javac/lambda/MethodReference52.java
39 строк
895 B
Erik Joelsson
8187443: Forest Consolidation: Move files to unified layout
12 сен 2017, 20:03
12 сен 2017, 20:03
3789983
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/* * @test /nodynamiccopyright/ * @bug 8003280 * @summary Add lambda tests * special cases of method references (getClass()/Array.clone()) not handled properly * @compile/fail/ref=MethodReference52.out -XDrawDiagnostics MethodReference52.java */ import java.util.*; class MethodReference52 { interface Clone1 { int[] m(); } interface Clone2 { Object m(); } interface WrongClone { long[] m(); } interface GetClass { Class<? extends List> m(); } interface WrongGetClass { Class<List<String>> m(); } void test(int[] iarr, List<String> ls) { Clone1 c1 = iarr::clone; //ok Clone2 c2 = iarr::clone; //ok - type more generic WrongClone c3 = iarr::clone; //bad return type GetClass c4 = ls::getClass; //ok WrongGetClass c5 = ls::getClass; //bad return type } }