test/tools/javac/generics/diamond/neg/Neg05.java

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1 /*
2 * @test /nodynamiccopyright/
3 * @bug 6939620 7020044
4 *
5 * @summary Check that usage of rare types doesn't cause spurious diamond diagnostics
6 * @author mcimadamore
7 * @compile/fail/ref=Neg05.out Neg05.java -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<>("");
20 Neg05<?>.Foo<? extends String> f2 = new Neg05.Foo<>("");
21 Neg05<?>.Foo<?> f3 = new Neg05.Foo<>("");
22 Neg05<?>.Foo<? super String> f4 = new Neg05.Foo<>("");
23
24 Neg05<?>.Foo<String> f5 = new Neg05.Foo<>("", "");
25 Neg05<?>.Foo<? extends String> f6 = new Neg05.Foo<>("", "");
26 Neg05<?>.Foo<?> f7 = new Neg05.Foo<>("", "");
27 Neg05<?>.Foo<? super String> f8 = new Neg05.Foo<>("", "");
28 }
29
30 void testRare_2(Neg05 n) {
31 Neg05<?>.Foo<String> f1 = n.new Foo<>("");
32 Neg05<?>.Foo<? extends String> f2 = n.new Foo<>("");
33 Neg05<?>.Foo<?> f3 = n.new Foo<>("");
34 Neg05<?>.Foo<? super String> f4 = n.new Foo<>("");
35
36 Neg05<?>.Foo<String> f5 = n.new Foo<>("", "");
37 Neg05<?>.Foo<? extends String> f6 = n.new Foo<>("", "");
38 Neg05<?>.Foo<?> f7 = n.new Foo<>("", "");
39 Neg05<?>.Foo<? super String> f8 = n.new Foo<>("", "");
40 }
41 }

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