Add tests for SpringApplicationRuntimeHints

Author: mhalbritter

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/SpringApplicationTests.java

@@ -41,6 +41,9 @@
 import org.mockito.Mockito;
 import reactor.core.publisher.Mono;
 
+import org.springframework.aot.hint.MemberCategory;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.predicate.RuntimeHintsPredicates;
 import org.springframework.beans.CachedIntrospectionResults;
 import org.springframework.beans.factory.BeanCreationException;
 import org.springframework.beans.factory.BeanCurrentlyInCreationException;
@@ -53,6 +56,7 @@
 import org.springframework.beans.factory.support.BeanNameGenerator;
 import org.springframework.beans.factory.support.DefaultBeanNameGenerator;
 import org.springframework.boot.BootstrapRegistry.InstanceSupplier;
+import org.springframework.boot.SpringApplication.SpringApplicationRuntimeHints;
 import org.springframework.boot.SpringApplicationHooks.Hook;
 import org.springframework.boot.availability.AvailabilityChangeEvent;
 import org.springframework.boot.availability.AvailabilityState;
@@ -1301,6 +1305,15 @@ void hookIsCalledAndCanPreventRefreshWhenApplicationIsRun() throws Exception {
 		assertThat(this.context.isRunning()).isFalse();
 	}
 
+	@Test
+	void shouldRegisterHints() {
+		RuntimeHints hints = new RuntimeHints();
+		new SpringApplicationRuntimeHints().registerHints(hints, getClass().getClassLoader());
+		assertThat(RuntimeHintsPredicates.reflection().onType(SpringApplication.class)
+				.withMemberCategories(MemberCategory.INVOKE_DECLARED_METHODS, MemberCategory.INVOKE_PUBLIC_METHODS))
+						.accepts(hints);
+	}
+
 	private <S extends AvailabilityState> ArgumentMatcher<ApplicationEvent> isAvailabilityChangeEventWithState(
 			S state) {
 		return (argument) -> (argument instanceof AvailabilityChangeEvent<?>)