test/tools/javac/lambda/TargetType24.java

Tue, 12 Mar 2013 16:02:43 +0000

author
mcimadamore
date
Tue, 12 Mar 2013 16:02:43 +0000
changeset 1628
5ddecb91d843
parent 1415
01c9d4161882
child 2000
4a6acc42c3a1
permissions
-rw-r--r--

8009545: Graph inference: dependencies between inference variables should be set during incorporation
Summary: Move all transitivity checks into the incorporation round
Reviewed-by: jjg

     1 /*
     2  * @test /nodynamiccopyright/
     3  * @bug 8003280
     4  * @summary Add lambda tests
     5  *  check case of nested method calls with lambda expression
     6  * @compile/fail/ref=TargetType24.out -XDrawDiagnostics TargetType24.java
     7  */
     9 class TargetType24 {
    11     interface F<A, B> {
    12         B f(A a);
    13     }
    15     interface FSub<A, B> extends F<A,B> { }
    17     static class Array<A> {
    18         boolean forAll(final F<A, Boolean> f) {
    19             return false;
    20         }
    22         String forAll(final FSub<A, String> f) {
    23             return "";
    24         }
    26         String forAll2(final FSub<A, String> f) {
    27             return "";
    28         }
    29     }
    31     void test(Array<String> as, final Array<Character> ac) {
    32         final boolean b1 = as.forAll(s -> ac.forAll(c -> false)); //ok
    33         final String s1 = as.forAll2(s -> ac.forAll2(c -> "")); //ok
    34         final boolean b2 = as.forAll(s -> ac.forAll(c -> "" )); //fail
    35         final String s2 = as.forAll2(s -> ac.forAll2(c -> false)); //fail
    36         final boolean b3 = as.forAll((F<String, Boolean>)s -> ac.forAll((F<Character, Boolean>)c -> "")); //fail
    37         final String s3 = as.forAll((FSub<String, String>)s -> ac.forAll((FSub<Character, String>)c -> false)); //fail
    38     }
    39 }

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