test/langtools/tools/javac/lambda/methodReference/MethodRefQualifier1.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/**
 * @test
 * @bug 8048121
 * @summary javac complex method references: revamp and simplify
 */

public class MethodRefQualifier1 {

    interface SAM {
       void m();
    }

    static int count = 0;

    static void assertTrue(boolean cond, String msg) {
        if (!cond)
            throw new AssertionError(msg);
    }

    MethodRefQualifier1 check() {
        count++;
        return this;
    }

    void ido(Object... args) { }

    public static void main(String[] args) {
       new MethodRefQualifier1().test();
    }

    void test() {
       count = 0;
       SAM s = check()::ido;
       assertTrue(count == 1, "creation: unexpected: " + count);
       count = 0;
       s.m();
       assertTrue(count == 0, "evaluation: unexpected: " + count);
    }
}