Test that a response that is an array of primitives can be documented

Closes gh-96

spring-restdocs/src/test/java/org/springframework/restdocs/payload/PayloadDocumentationTests.java

@@ -120,6 +120,18 @@ public class PayloadDocumentationTests {
 				fieldWithPath("[]a").description("three")).handle(result(response));
 	}
 
+	@Test
+	public void arrayResponse() throws IOException {
+		this.snippet.expectResponseFields("array-response").withContents( //
+				tableWithHeader("Path", "Type", "Description") //
+						.row("[]", "String", "one"));
+
+		MockHttpServletResponse response = new MockHttpServletResponse();
+		response.getWriter().append("[\"a\", \"b\", \"c\"]");
+		documentResponseFields("array-response", fieldWithPath("[]").description("one"))
+				.handle(result(response));
+	}
+
 	@Test
 	public void undocumentedRequestField() throws IOException {
 		this.thrown.expect(SnippetGenerationException.class);