langtools/test/tools/javac/lambda/TargetType30.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 8003280
 * @summary Add lambda tests
 *  check that target type is propagated through parenthesized expressions
 * @compile TargetType30.java
 */

class TargetType30 {

    interface SAM {
        void m(int x);
    }

    void m(SAM s) { }

    void testAssignmentContext() {
        SAM s1 = (x-> { System.out.println("Hello!"); });
        SAM s2 = ((x-> { System.out.println("Hello!"); }));
        SAM s3 = (((x-> { System.out.println("Hello!"); })));
    }

    void testMethodContext() {
        m((x-> { System.out.println("Hello!"); }));
        m(((x-> { System.out.println("Hello!"); })));
        m((((x-> { System.out.println("Hello!"); }))));
    }
}