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test/langtools/tools/javac/lambda/funcInterfaces/NonSAM3.java
24 строки
861 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 * This test is for identifying a non-SAM type: Having overloaded methods due to inheritance * @compile/fail/ref=NonSAM3.out -XDrawDiagnostics NonSAM3.java Helper.java */ import java.util.Collection; import java.util.List; public class NonSAM3 { void method() { //all of the following will have compile error: "the target type of a lambda conversion has multiple non-overriding abstract methods" FooBar fb = (Number n) -> 100; FooBar fb2 = (Integer i) -> 100; DE de = (List<Integer> list) -> 100; DE de2 = (List<?> list) -> 100; DE de3 = (List list) -> 100; DE de4 = (Collection<Integer> collection) -> 100; DE de5 = (Collection<?> collection) -> 100; DE de6 = (Collection collection) -> 100; } }