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new inference: non wildcard parametrization against the spec

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This commit is contained in:
Anna Kozlova
2014-02-28 16:13:52 +01:00
parent 903d9cf08c
commit a047666d57
5 changed files with 178 additions and 17 deletions
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java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/wildcardParametrization/NonWildcardParametrization.java
+108
View File
@@ -0,0 +1,108 @@
import java.util.List;
class SimpleDependency {
interface I<R extends U, U> {
R m();
}
{
I<? extends String, ? extends String> k = () -> null;
I<? extends String, String> k1 = () -> null;
I<? extends List<String>, List<String>> k2 = () -> null;
I<? extends List<String>, ? extends List<String>> k3 = () -> null;
I<? extends List<? extends String>, ? extends List<String>> k4 = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? extends List<? extends String>, List<? extends String>> k5 = () -> null;
I<? extends List<? extends String>, ? extends List<? extends String>> k6 = () -> null;
I<? super String, String> s = () -> null;
I<? super List<String>, List<? extends String>> s1 = () -> null;
}
}
class NoDependency {
interface I<T, U> {
T m();
}
{
I<? extends String, ? extends String> k = () -> null;
}
}
class ExtendsList {
interface I<R extends List<T>, T> {
R m();
}
{
I<?, ? extends String> n = <error descr="Cannot infer functional interface type">() -> null</error>;
I<?, ?> n1 = <error descr="Cannot infer functional interface type">() -> null</error>;
I<?, String> n2 = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? extends List<?>, String> e1 = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? extends List<?>, ?> e2 = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? extends List<String>, ? extends String> e3 = () -> null;
I<? extends List<? extends String>, ? extends String> e4 = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? super List<String>, ? extends String> s1 = () -> null;
I<? super List<String>, String> s2 = () -> null;
}
}
class MultipleBounds {
interface I<R extends List<T> & Comparable<T>, T> {
R m();
}
interface LC<K> extends List<K>, Comparable<K> {}
{
I<?, String> n = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? extends List<String>, ? extends String> e1 = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? extends Comparable<String>, ? extends String> e2 = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? extends LC<String>, ? extends String> e3 = () -> null;
I<? extends LC<String>, String> e4 = () -> null;
I<? extends LC<? extends String>, String> e5 = <error descr="Cannot infer functional interface type">() -> null</error>;
}
}
class FirstIndependentBound {
interface I<R extends List<String> & Comparable<T>, T> {
R m();
}
interface LC<K> extends List<String>, Comparable<K> {}
{
I<?, String> n = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? extends List<String>, ? extends String> e1 = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? extends Comparable<String>, ? extends String> e2 = () -> null;
I<? extends LC<String>, ? extends String> e3 = () -> null;
I<? extends LC<String>, String> e4 = () -> null;
I<? extends LC<? extends String>, String> e5 = <error descr="Cannot infer functional interface type">() -> null</error>;
}
}
class SecondIndependentBound {
interface I<R extends List<T> & Comparable<String>, T> {
R m();
}
interface LC<K> extends List<String>, Comparable<K> {}
{
I<?, String> n = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? extends List<String>, ? extends String> e1 = () -> null;
I<? extends Comparable<String>, ? extends String> e2 = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? extends LC<String>, ? extends String> e3 = () -> null;
I<? extends LC<String>, String> e4 = () -> null;
I<? extends LC<? extends String>, String> e5 = <error descr="Cannot infer functional interface type">() -> null</error>;
I<? extends LC<? extends String>, ? extends String> e6 = <error descr="Cannot infer functional interface type">() -> null</error>;
}
}