Unit tests for unresolvable generics with partial mismatch

Issue: SPR-16179

spring-context/src/test/java/org/springframework/context/annotation/Spr16179Tests.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright 2002-2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.context.annotation;
+
+import org.junit.Test;
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+import static org.junit.Assert.*;
+
+/**
+ * @author Juergen Hoeller
+ * @author Oliver Gierke
+ */
+public class Spr16179Tests {
+
+	@Test
+	public void repro() {
+		AnnotationConfigApplicationContext bf =
+				new AnnotationConfigApplicationContext(AssemblerConfig.class, AssemblerInjection.class);
+
+		assertSame(bf.getBean("someAssembler"), bf.getBean(AssemblerInjection.class).assembler0);
+		// assertNull(bf.getBean(AssemblerInjection.class).assembler1);  TODO: accidental match
+		// assertNull(bf.getBean(AssemblerInjection.class).assembler2);
+		assertSame(bf.getBean("pageAssembler"), bf.getBean(AssemblerInjection.class).assembler3);
+		assertSame(bf.getBean("pageAssembler"), bf.getBean(AssemblerInjection.class).assembler4);
+		assertSame(bf.getBean("pageAssembler"), bf.getBean(AssemblerInjection.class).assembler5);
+		assertSame(bf.getBean("pageAssembler"), bf.getBean(AssemblerInjection.class).assembler6);
+	}
+
+
+	@Configuration
+	static class AssemblerConfig {
+
+		@Bean
+		PageAssemblerImpl<?> pageAssembler() {
+			return new PageAssemblerImpl<>();
+		}
+
+		@Bean
+		Assembler<SomeType> someAssembler() {
+			return new Assembler<SomeType>() {};
+		}
+	}
+
+
+	public static class AssemblerInjection {
+
+		@Autowired(required = false)
+		Assembler<SomeType> assembler0;
+
+		@Autowired(required = false)
+		Assembler<SomeOtherType> assembler1;
+
+		@Autowired(required = false)
+		Assembler<Page<String>> assembler2;
+
+		@Autowired(required = false)
+		Assembler<Page> assembler3;
+
+		@Autowired(required = false)
+		Assembler<Page<?>> assembler4;
+
+		@Autowired(required = false)
+		PageAssembler<?> assembler5;
+
+		@Autowired(required = false)
+		PageAssembler<String> assembler6;
+	}
+
+
+	interface Assembler<T> {}
+
+	interface PageAssembler<T> extends Assembler<Page<T>> {}
+
+	static class PageAssemblerImpl<T> implements PageAssembler<T> {}
+
+	interface Page<T> {}
+
+	interface SomeType {}
+
+	interface SomeOtherType {}
+
+}

spring-context/src/test/java/org/springframework/context/annotation/Spr8954Tests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2017 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,7 +39,7 @@ import static org.junit.Assert.*;
  * @author Oliver Gierke
  */
 @SuppressWarnings("resource")
-public class ConfigurationClassSpr8954Tests {
+public class Spr8954Tests {
 
 	@Test
 	public void repro() {