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Enforce exact match for bounds of nested type variable

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Closes gh-34300
This commit is contained in:
Juergen Hoeller
2025-01-30 15:34:55 +01:00
parent cfe2db0581
commit 4c3b435d23
2 changed files with 28 additions and 5 deletions
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9
spring-core/src/test/java/org/springframework/core/ResolvableTypeTests.java
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@@ -1230,6 +1230,8 @@ class ResolvableTypeTests {
ResolvableType consumerUnresolved = ResolvableType.forClass(Consumer.class);
ResolvableType consumerObject = ResolvableType.forClassWithGenerics(Consumer.class, Object.class);
ResolvableType consumerNestedUnresolved = ResolvableType.forClassWithGenerics(Consumer.class, ResolvableType.forClass(Consumer.class));
ResolvableType consumerNumber = ResolvableType.forClassWithGenerics(Consumer.class, Number.class);
ResolvableType consumerExtendsNumber = ResolvableType.forClass(SubConsumer.class);
assertThat(consumerUnresolved.isAssignableFrom(consumerObject)).isTrue();
assertThat(consumerUnresolved.isAssignableFromResolvedPart(consumerObject)).isTrue();
@@ -1239,6 +1241,10 @@ class ResolvableTypeTests {
assertThat(consumerUnresolved.isAssignableFromResolvedPart(consumerNestedUnresolved)).isTrue();
assertThat(consumerObject.isAssignableFrom(consumerNestedUnresolved)).isFalse();
assertThat(consumerObject.isAssignableFromResolvedPart(consumerNestedUnresolved)).isFalse();
assertThat(consumerObject.isAssignableFrom(consumerNumber)).isFalse();
assertThat(consumerObject.isAssignableFromResolvedPart(consumerNumber)).isFalse();
assertThat(consumerObject.isAssignableFrom(consumerExtendsNumber)).isFalse();
assertThat(consumerObject.isAssignableFromResolvedPart(consumerExtendsNumber)).isTrue();
}
@Test
@@ -1788,6 +1794,9 @@ class ResolvableTypeTests {
public interface Consumer<T> {
}
private static class SubConsumer<N extends Number> implements Consumer<N> {
}
public class Wildcard<T extends CharSequence> {
}