test/tools/javac/lambda/MostSpecific13.java

Sat, 04 Aug 2018 12:55:17 +0100

author
aefimov
date
Sat, 04 Aug 2018 12:55:17 +0100
changeset 3736
7b508cdd33ae
parent 0
959103a6100f
permissions
-rw-r--r--

Merge

aoqi@0 1 /*
aoqi@0 2 * @test /nodynamiccopyright/
aoqi@0 3 * @bug 8034223
aoqi@0 4 * @summary Most-specific testing with inference variables in function parameter types
aoqi@0 5 * @compile/fail/ref=MostSpecific13.out -XDrawDiagnostics MostSpecific13.java
aoqi@0 6 */
aoqi@0 7 class MostSpecific13 {
aoqi@0 8
aoqi@0 9 interface UnaryOp<T> { T apply(T arg); }
aoqi@0 10 interface IntegerToNumber { Number apply(Integer arg); }
aoqi@0 11
aoqi@0 12 <T> void m(UnaryOp<T> f) {}
aoqi@0 13 void m(IntegerToNumber f) {}
aoqi@0 14
aoqi@0 15 void test() {
aoqi@0 16 m((Integer i) -> i); // error
aoqi@0 17 m(this::id); // error
aoqi@0 18 }
aoqi@0 19
aoqi@0 20 Integer id(Integer arg) { return arg; }
aoqi@0 21 }

mercurial