Add test for nested properties

spring-boot/src/test/java/org/springframework/boot/context/properties/EnableConfigurationPropertiesTests.java

@@ -52,6 +52,16 @@ public class EnableConfigurationPropertiesTests {
 		assertEquals("foo", this.context.getBean(TestProperties.class).name);
 	}
 
+	@Test
+	public void testNestedPropertiesBinding() {
+		this.context.register(NestedConfiguration.class);
+		TestUtils.addEnviroment(this.context, "name:foo", "nested.name:bar");
+		this.context.refresh();
+		assertEquals(1, this.context.getBeanNamesForType(NestedProperties.class).length);
+		assertEquals("foo", this.context.getBean(NestedProperties.class).name);
+		assertEquals("bar", this.context.getBean(NestedProperties.class).nested.name);
+	}
+
 	@Test
 	public void testBasicPropertiesBindingWithAnnotationOnBaseClass() {
 		this.context.register(DerivedConfiguration.class);
@@ -190,6 +200,11 @@ public class EnableConfigurationPropertiesTests {
 	protected static class DerivedConfiguration {
 	}
 
+	@Configuration
+	@EnableConfigurationProperties(NestedProperties.class)
+	protected static class NestedConfiguration {
+	}
+
 	@Configuration
 	protected static class DefaultConfiguration {
 		@Bean
@@ -225,6 +240,29 @@ public class EnableConfigurationPropertiesTests {
 	protected static class MoreConfiguration {
 	}
 
+	@ConfigurationProperties
+	protected static class NestedProperties {
+		private String name;
+		private Nested nested = new Nested();
+
+		public void setName(String name) {
+			this.name = name;
+		}
+
+		public Nested getNested() {
+			return this.nested;
+		}
+
+		protected static class Nested {
+			private String name;
+
+			public void setName(String name) {
+				this.name = name;
+			}
+
+		}
+	}
+
 	@ConfigurationProperties
 	protected static class BaseProperties {
 		private String name;