Fix failures in PrintingResultHandlerTests

spring-test-mvc/src/main/java/org/springframework/test/web/servlet/request/MockHttpServletRequestBuilder.java

@@ -73,6 +73,8 @@ import org.springframework.web.util.UriUtils;
 */
 public class MockHttpServletRequestBuilder implements RequestBuilder, Mergeable {
 
+	static final boolean servlet3Present = ClassUtils.hasMethod(ServletRequest.class, "startAsync");
+
 	private final UriComponents uriComponents;
 
 	private final HttpMethod method;
@@ -647,8 +649,7 @@ public class MockHttpServletRequestBuilder implements RequestBuilder, Mergeable
 	 * {@link ServletContext}. Can be overridden in sub-classes.
 	 */
 	protected MockHttpServletRequest createServletRequest(ServletContext servletContext) {
-		return ClassUtils.hasMethod(ServletRequest.class, "startAsync") ?
-				createServlet3Request(servletContext) : new MockHttpServletRequest(servletContext);
+		return servlet3Present ? createServlet3Request(servletContext) : new MockHttpServletRequest(servletContext);
 	}
 
 	private MockHttpServletRequest createServlet3Request(ServletContext servletContext) {

spring-test-mvc/src/main/java/org/springframework/test/web/servlet/request/MockMultipartHttpServletRequestBuilder.java

@@ -21,7 +21,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 import javax.servlet.ServletContext;
-import javax.servlet.ServletRequest;
 
 import org.springframework.beans.BeanUtils;
 import org.springframework.http.HttpMethod;
@@ -99,9 +98,8 @@ public class MockMultipartHttpServletRequestBuilder extends MockHttpServletReque
 
 	@Override
 	protected final MockHttpServletRequest createServletRequest(ServletContext servletContext) {
-		MockMultipartHttpServletRequest request = ClassUtils.hasMethod(ServletRequest.class, "startAsync") ?
+		MockMultipartHttpServletRequest request = servlet3Present ?
 				createServlet3Request() : new MockMultipartHttpServletRequest();
-
 		for (MockMultipartFile file : this.files) {
 			request.addFile(file);
 		}

spring-test-mvc/src/main/java/org/springframework/test/web/servlet/result/PrintingResultHandler.java

@@ -48,6 +48,8 @@ import org.springframework.web.servlet.support.RequestContextUtils;
  */
 public class PrintingResultHandler implements ResultHandler {
 
+	private static final boolean servlet3Present = ClassUtils.hasMethod(ServletRequest.class, "startAsync");
+
 	private final ResultValuePrinter printer;
 
 
@@ -77,7 +79,7 @@ public class PrintingResultHandler implements ResultHandler {
 		this.printer.printHeading("Handler");
 		printHandler(result.getHandler(), result.getInterceptors());
 
-		if (ClassUtils.hasMethod(ServletRequest.class, "startAsync")) {
+		if (servlet3Present) {
 			this.printer.printHeading("Async");
 			printAsyncResult(result);
 		}
@@ -130,9 +132,11 @@ public class PrintingResultHandler implements ResultHandler {
 	}
 
 	protected void printAsyncResult(MvcResult result) throws Exception {
-		HttpServletRequest request = result.getRequest();
-		this.printer.printValue("Was async started", request.isAsyncStarted());
-		this.printer.printValue("Async result", result.getAsyncResult(0));
+		if (servlet3Present) {
+			HttpServletRequest request = result.getRequest();
+			this.printer.printValue("Was async started", request.isAsyncStarted());
+			this.printer.printValue("Async result", result.getAsyncResult(0));
+		}
 	}
 
 	/** Print the handler */

spring-test-mvc/src/test/java/org/springframework/test/web/servlet/result/PrintingResultHandlerTests.java

@@ -34,6 +34,8 @@ import org.springframework.mock.web.MockHttpServletResponse;
 import org.springframework.test.web.servlet.StubMvcResult;
 import org.springframework.test.web.servlet.result.PrintingResultHandler;
 import org.springframework.util.Assert;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
 import org.springframework.validation.BindException;
 import org.springframework.validation.BindingResult;
 import org.springframework.web.method.HandlerMethod;
@@ -60,7 +62,11 @@ public class PrintingResultHandlerTests {
 	@Before
 	public void setup() {
 		this.handler = new TestPrintingResultHandler();
-		this.request = new MockHttpServletRequest("GET", "/");
+		this.request = new MockHttpServletRequest("GET", "/") {
+			public boolean isAsyncStarted() {
+				return false;
+			}
+		};
 		this.response = new MockHttpServletResponse();
 		this.mvcResult = new StubMvcResult(this.request, null, null, null, null, null, this.response);
 	}
@@ -75,9 +81,12 @@ public class PrintingResultHandlerTests {
 		HttpHeaders headers = new HttpHeaders();
 		headers.set("header", "headerValue");
 
+		MultiValueMap<String, String> params = new LinkedMultiValueMap<String, String>();
+		params.add("param", "paramValue");
+
 		assertValue("MockHttpServletRequest", "HTTP Method", this.request.getMethod());
 		assertValue("MockHttpServletRequest", "Request URI", this.request.getRequestURI());
-		assertValue("MockHttpServletRequest", "Parameters", this.request.getParameterMap());
+		assertValue("MockHttpServletRequest", "Parameters", params);
 		assertValue("MockHttpServletRequest", "Headers", headers);
 	}