Maurizio Cimadamore 409b9b8d25 7020044: Project Coin: diamond erroneous allowed on some anonymous inner classes
Disallow diamond on anonymous innner class creation expression (as per JSR 334's EDR)

Reviewed-by: jjg
2011-03-07 14:31:50 +00:00

55 lines
1.7 KiB
Java

/*
* @test /nodynamiccopyright/
* @bug 6939620 7020044
*
* @summary Check that diamond fails when inference violates declared bounds
* (test with inner class, qualified/simple type expressions)
* @author mcimadamore
* @compile/fail/ref=Neg03.out Neg03.java -XDrawDiagnostics
*
*/
class Neg03<U> {
class Foo<V extends Number> {
Foo(V x) {}
<Z> Foo(V x, Z z) {}
}
void testSimple() {
Foo<String> f1 = new Foo<>("");
Foo<? extends String> f2 = new Foo<>("");
Foo<?> f3 = new Foo<>("");
Foo<? super String> f4 = new Foo<>("");
Foo<String> f5 = new Foo<>("", "");
Foo<? extends String> f6 = new Foo<>("", "");
Foo<?> f7 = new Foo<>("", "");
Foo<? super String> f8 = new Foo<>("", "");
}
void testQualified_1() {
Foo<String> f1 = new Neg03<U>.Foo<>("");
Foo<? extends String> f2 = new Neg03<U>.Foo<>("");
Foo<?> f3 = new Neg03<U>.Foo<>("");
Foo<? super String> f4 = new Neg03<U>.Foo<>("");
Foo<String> f5 = new Neg03<U>.Foo<>("", "");
Foo<? extends String> f6 = new Neg03<U>.Foo<>("", "");
Foo<?> f7 = new Neg03<U>.Foo<>("", "");
Foo<? super String> f8 = new Neg03<U>.Foo<>("", "");
}
void testQualified_2(Neg03<U> n) {
Foo<String> f1 = n.new Foo<>("");
Foo<? extends String> f2 = n.new Foo<>("");
Foo<?> f3 = n.new Foo<>("");
Foo<? super String> f4 = n.new Foo<>("");
Foo<String> f5 = n.new Foo<>("", "");
Foo<? extends String> f6 = n.new Foo<>("", "");
Foo<?> f7 = n.new Foo<>("", "");
Foo<? super String> f8 = n.new Foo<>("", "");
}
}