langtools/test/tools/javac/lambda/LambdaConv16.java
author mcimadamore
Wed, 26 Oct 2016 15:41:25 +0100
changeset 41856 13a056e8f16e
parent 14547 86d8d242b0c4
permissions -rw-r--r--
8168774: Polymorhic signature method check crashes javac Summary: Check for polysig method assumes arity is greater than zero Reviewed-by: vromero

/*
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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
 *  SAM conversion and raw types in argument/return types
 * @author  Maurizio Cimadamore
 * @run main LambdaConv16
 */

import java.util.*;

public class LambdaConv16 {

    static int assertionCount = 0;

    static void assertTrue(boolean cond) {
        assertionCount++;
        if (!cond)
            throw new AssertionError();
    }

    interface A {
        Iterable m(List<String> ls);
    }

    interface B {
        Iterable<String> m(List l);
    }

    interface AB extends A, B {} //SAM type ([List], Iterable<String>, {})

    static void test(AB ab, List l) { ab.m(l); }

    public static void main(String[] args) {
        AB ab = (List list) -> { assertTrue(true); return new ArrayList<String>(); };
        ab.m(null);
        test((List list) -> { assertTrue(true); return new ArrayList<String>(); }, null);
        assertTrue(assertionCount == 2);
    }
}