diff --git a/lib/src/core/request_context.dart b/lib/src/core/request_context.dart
index 1afe206b..0d9c072b 100644
--- a/lib/src/core/request_context.dart
+++ b/lib/src/core/request_context.dart
@@ -221,14 +221,14 @@ abstract class RequestContext<RawRequest> {
   /// Returns as `true` if the client's `Accept` header indicates that it will accept any response content type.
   bool get acceptsAll => _acceptsAllCache ??= accepts('*/*');
 
-  /// Shorthand for deserializing a body.
+  /// Shorthand for deserializing [bodyAsMap], using some transformer function [f].
   Future<T> deserializeBody<T>(FutureOr<T> Function(Map) f,
       {Encoding encoding = utf8}) async {
     await parseBody(encoding: encoding);
     return await f(bodyAsMap);
   }
 
-  /// Shorthand for decoding a body.
+  /// Shorthand for decoding [bodyAsMap], using some [codec].
   Future<T> decodeBody<T>(Codec<T, Map> codec, {Encoding encoding = utf8}) =>
       deserializeBody(codec.decode, encoding: encoding);
 
diff --git a/test/body_test.dart b/test/body_test.dart
index 2f69b541..43051770 100644
--- a/test/body_test.dart
+++ b/test/body_test.dart
@@ -61,6 +61,14 @@ void main() {
     expect(req.bodyAsList, ['foo', 'bar']);
   });
 
+  test('deserializeBody', () async {
+    var req = await request(
+        asJson: true, bodyFields: {'text': 'Hey', 'complete': false});
+    var todo = await req.deserializeBody(Todo.fromMap);
+    expect(todo.text, 'Hey');
+    expect(todo.completed, false);
+  });
+
   test('throws when body has not been parsed', () async {
     var req = await request(parse: false);
     expect(() => req.bodyAsObject, throwsStateError);
@@ -97,3 +105,13 @@ void main() {
         throwsStateError);
   });
 }
+
+class Todo {
+  String text;
+  bool completed;
+
+  Todo({this.text, this.completed});
+
+  static Todo fromMap(Map m) =>
+      Todo(text: m['text'] as String, completed: m['complete'] as bool);
+}