1 /*

     2  * @test /nodynamiccopyright/

     3  * @bug 6840638

     4  *

     5  * @summary  Project Coin: Improved Type Inference for Generic Instance Creation (aka 'diamond')

     6  * @author mcimadamore

     7  * @compile/fail/ref=Neg05.out Neg05.java -source 1.7 -XDrawDiagnostics

     8  *

     9  */

    10 

    11 class Neg05<U> {

    12 

    13     class Foo<V> {

    14         Foo(V x) {}

    15         <Z> Foo(V x, Z z) {}

    16     }

    17 

    18     void testRare_1() {

    19         Neg05<?>.Foo<String> f1 = new Neg05.Foo<>(""); //new Foo<Integer> created

    20         Neg05<?>.Foo<? extends String> f2 = new Neg05.Foo<>(""); //new Foo<Integer> created

    21         Neg05<?>.Foo<?> f3 = new Neg05.Foo<>(""); //new Foo<Object> created

    22         Neg05<?>.Foo<? super String> f4 = new Neg05.Foo<>(""); //new Foo<Object> created

    23 

    24         Neg05<?>.Foo<String> f5 = new Neg05.Foo<>(""){}; //new Foo<Integer> created

    25         Neg05<?>.Foo<? extends String> f6 = new Neg05.Foo<>(""){}; //new Foo<Integer> created

    26         Neg05<?>.Foo<?> f7 = new Neg05.Foo<>(""){}; //new Foo<Object> created

    27         Neg05<?>.Foo<? super String> f8 = new Neg05.Foo<>(""){}; //new Foo<Object> created

    28 

    29         Neg05<?>.Foo<String> f9 = new Neg05.Foo<>("", ""); //new Foo<Integer> created

    30         Neg05<?>.Foo<? extends String> f10 = new Neg05.Foo<>("", ""); //new Foo<Integer> created

    31         Neg05<?>.Foo<?> f11 = new Neg05.Foo<>("", ""); //new Foo<Object> created

    32         Neg05<?>.Foo<? super String> f12 = new Neg05.Foo<>("", ""); //new Foo<Object> created

    33 

    34         Neg05<?>.Foo<String> f13 = new Neg05.Foo<>("", ""){}; //new Foo<Integer> created

    35         Neg05<?>.Foo<? extends String> f14 = new Neg05.Foo<>("", ""){}; //new Foo<Integer> created

    36         Neg05<?>.Foo<?> f15 = new Neg05.Foo<>("", ""){}; //new Foo<Object> created

    37         Neg05<?>.Foo<? super String> f16 = new Neg05.Foo<>("", ""){}; //new Foo<Object> created

    38     }

    39 

    40     void testRare_2(Neg05 n) {

    41         Neg05<?>.Foo<String> f1 = n.new Foo<>(""); //new Foo<Integer> created

    42         Neg05<?>.Foo<? extends String> f2 = n.new Foo<>(""); //new Foo<Integer> created

    43         Neg05<?>.Foo<?> f3 = n.new Foo<>(""); //new Foo<Integer> created

    44         Neg05<?>.Foo<? super String> f4 = n.new Foo<>(""); //new Foo<Integer> created

    45 

    46         Neg05<?>.Foo<String> f5 = n.new Foo<>(""){}; //new Foo<Integer> created

    47         Neg05<?>.Foo<? extends String> f6 = n.new Foo<>(""){}; //new Foo<Integer> created

    48         Neg05<?>.Foo<?> f7 = n.new Foo<>(""){}; //new Foo<Integer> created

    49         Neg05<?>.Foo<? super String> f8 = n.new Foo<>(""){}; //new Foo<Integer> created

    50 

    51         Neg05<?>.Foo<String> f9 = n.new Foo<>("", ""); //new Foo<Integer> created

    52         Neg05<?>.Foo<? extends String> f10 = n.new Foo<>("", ""); //new Foo<Integer> created

    53         Neg05<?>.Foo<?> f11 = n.new Foo<>("", ""); //new Foo<Integer> created

    54         Neg05<?>.Foo<? super String> f12 = n.new Foo<>("", ""); //new Foo<Integer> created

    55 

    56         Neg05<?>.Foo<String> f13 = n.new Foo<>("", ""){}; //new Foo<Integer> created

    57         Neg05<?>.Foo<? extends String> f14 = n.new Foo<>("", ""){}; //new Foo<Integer> created

    58         Neg05<?>.Foo<?> f15 = n.new Foo<>("", ""){}; //new Foo<Integer> created

    59         Neg05<?>.Foo<? super String> f16 = n.new Foo<>("", ""){}; //new Foo<Integer> created

    60     }

    61 }