Added configuration test for spring.thymeleaf.reactive.max-chunk-size

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafReactiveAutoConfigurationTests.java

@@ -112,6 +112,14 @@ public class ThymeleafReactiveAutoConfigurationTests {
 		assertThat(views.getViewNames()).isEqualTo(new String[] { "foo", "bar" });
 	}
 
+	@Test
+	public void overrideMaxChunkSize() throws Exception {
+		load(BaseConfiguration.class, "spring.thymeleaf.reactive.maxChunkSize:8192");
+		ThymeleafReactiveViewResolver views = this.context
+				.getBean(ThymeleafReactiveViewResolver.class);
+		assertThat(views.getResponseMaxChunkSizeBytes()).isEqualTo(Integer.valueOf(8192));
+	}
+
 	@Test
 	public void overrideFullModeViewNames() throws Exception {
 		load(BaseConfiguration.class, "spring.thymeleaf.reactive.fullModeViewNames:foo,bar");