Mercurial > jdk8-mips64-public > langtools / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/lambda/BadReturn.java	Wed Apr 27 01:34:52 2016 +0800
     1.3 @@ -0,0 +1,38 @@
     1.4 +/*
     1.5 + * @test /nodynamiccopyright/
     1.6 + * @bug 8003280
     1.7 + * @summary Add lambda tests
     1.8 + *  check that incompatible return types in lambdas are flagged with error
     1.9 + * @author  Maurizio Cimadamore
    1.10 + * @compile/fail/ref=BadReturn.out -XDrawDiagnostics BadReturn.java
    1.11 + */
    1.12 +
    1.13 +class BadReturn {
    1.14 +
    1.15 +    interface SAM {
    1.16 +        Comparable<?> m();
    1.17 +    }
    1.18 +
    1.19 +    static void testNeg1() {
    1.20 +        SAM s = ()-> {
    1.21 +            if (true) {
    1.22 +                return "";
    1.23 +            } else {
    1.24 +                return System.out.println("");
    1.25 +            }};
    1.26 +    }
    1.27 +
    1.28 +    static void testNeg2() {
    1.29 +        SAM s = ()-> { return System.out.println(""); };
    1.30 +    }
    1.31 +
    1.32 +    static void testPos() {
    1.33 +        SAM s = ()-> {
    1.34 +            if (false) {
    1.35 +                return 10;
    1.36 +            }
    1.37 +            else {
    1.38 +                return true;
    1.39 +            }};
    1.40 +    }
    1.41 +}