32 lines
1023 B
Java
32 lines
1023 B
Java
/*
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* @test /nodynamiccopyright/
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* @bug 8222035
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* @summary minimal inference context optimization is forcing resolution with incomplete constraints
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* @compile/fail/ref=MinContextOpTest_A.out -XDrawDiagnostics -source 15 MinContextOpTest.java
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* @compile/fail/ref=MinContextOpTest_B.out -XDrawDiagnostics MinContextOpTest.java
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*/
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import java.util.Map;
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import java.util.function.Function;
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import java.util.stream.Collector;
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import java.util.stream.Stream;
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public class MinContextOpTest {
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abstract class A {
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abstract static class T<K> {
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abstract String f();
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}
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abstract <E> Function<E, E> id();
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abstract static class ImmutableMap<K, V> implements Map<K, V> {}
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abstract <T, K, V> Collector<T, ?, ImmutableMap<K, V>> toImmutableMap(
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Function<? super T, ? extends K> k, Function<? super T, ? extends V> v);
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ImmutableMap<String, T<?>> test(Stream<T> stream) {
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return stream.collect(toImmutableMap(T::f, id()));
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}
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}
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}
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