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=Neg02.out Neg02.java -source 1.7 -XDrawDiagnostics

     8  *

     9  */

    10 

    11 class Neg02 {

    12 

    13     static class Foo<X extends Number> {

    14         Foo(X x) {}

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

    16     }

    17 

    18     void testSimple() {

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

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

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

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

    23 

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

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

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

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

    28 

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

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

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

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

    33 

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

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

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

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

    38     }

    39 

    40     void testQualified() {

    41         Foo<String> f1 = new Neg02.Foo<>(""); //new Foo<Integer> created

    42         Foo<? extends String> f2 = new Neg02.Foo<>(""); //new Foo<Integer> created

    43         Foo<?> f3 = new Neg02.Foo<>(""); //new Foo<Object> created

    44         Foo<? super String> f4 = new Neg02.Foo<>(""); //new Foo<Object> created

    45 

    46         Foo<String> f5 = new Neg02.Foo<>(""){}; //new Foo<Integer> created

    47         Foo<? extends String> f6 = new Neg02.Foo<>(""){}; //new Foo<Integer> created

    48         Foo<?> f7 = new Neg02.Foo<>(""){}; //new Foo<Object> created

    49         Foo<? super String> f8 = new Neg02.Foo<>(""){}; //new Foo<Object> created

    50 

    51         Foo<String> f9 = new Neg02.Foo<>("", ""); //new Foo<Integer> created

    52         Foo<? extends String> f10 = new Neg02.Foo<>("", ""); //new Foo<Integer> created

    53         Foo<?> f11 = new Neg02.Foo<>("", ""); //new Foo<Object> created

    54         Foo<? super String> f12 = new Neg02.Foo<>("", ""); //new Foo<Object> created

    55 

    56         Foo<String> f13 = new Neg02.Foo<>("", ""){}; //new Foo<Integer> created

    57         Foo<? extends String> f14 = new Neg02.Foo<>("", ""){}; //new Foo<Integer> created

    58         Foo<?> f15 = new Neg02.Foo<>("", ""){}; //new Foo<Object> created

    59         Foo<? super String> f16 = new Neg02.Foo<>("", ""){}; //new Foo<Object> created

    60     }

    61 }