diff --git a/src/test/rustdoc/manual_impl.rs b/src/test/rustdoc/manual_impl.rs
index 540cf58d38e..6675a0fd43b 100644
--- a/src/test/rustdoc/manual_impl.rs
+++ b/src/test/rustdoc/manual_impl.rs
@@ -8,19 +8,67 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+/// Docs associated with the trait definition.
 pub trait T {
+    /// Docs associated with the trait a_method definition.
     fn a_method(&self) -> usize;
+
+    /// Docs associated with the trait b_method definition.
+    fn b_method(&self) -> usize {
+        self.a_method()
+    }
 }
 
-// @has manual_impl/struct.S.html '//*[@class="trait"]' 'T'
-// @has - '//*[@class="docblock"]' 'Docs associated with the trait implementation.'
-// @has - '//*[@class="docblock"]' 'Docs associated with the trait method implementation.'
-pub struct S(usize);
+// @has manual_impl/struct.S1.html '//*[@class="trait"]' 'T'
+// @has  - '//*[@class="docblock"]' 'Docs associated with the S1 trait implementation.'
+// @has  - '//*[@class="docblock"]' 'Docs associated with the S1 trait a_method implementation.'
+// @!has - '//*[@class="docblock"]' 'Docs associated with the trait a_method definition.'
+// @!has - '//*[@class="docblock"]' 'Docs associated with the trait b_method definition.'
+pub struct S1(usize);
 
-/// Docs associated with the trait implementation.
-impl T for S {
-    /// Docs associated with the trait method implementation.
+/// Docs associated with the S1 trait implementation.
+impl T for S1 {
+    /// Docs associated with the S1 trait a_method implementation.
     fn a_method(&self) -> usize {
         self.0
     }
 }
+
+// @has manual_impl/struct.S2.html '//*[@class="trait"]' 'T'
+// @has  - '//*[@class="docblock"]' 'Docs associated with the S2 trait implementation.'
+// @has  - '//*[@class="docblock"]' 'Docs associated with the S2 trait a_method implementation.'
+// @has  - '//*[@class="docblock"]' 'Docs associated with the S2 trait b_method implementation.'
+// @!has - '//*[@class="docblock"]' 'Docs associated with the trait a_method definition.'
+// @!has - '//*[@class="docblock"]' 'Docs associated with the trait b_method definition.'
+pub struct S2(usize);
+
+/// Docs associated with the S2 trait implementation.
+impl T for S2 {
+    /// Docs associated with the S2 trait a_method implementation.
+    fn a_method(&self) -> usize {
+        self.0
+    }
+
+    /// Docs associated with the S2 trait b_method implementation.
+    fn b_method(&self) -> usize {
+        5
+    }
+}
+
+// @has manual_impl/struct.S3.html '//*[@class="trait"]' 'T'
+// @has  - '//*[@class="docblock"]' 'Docs associated with the S3 trait implementation.'
+// @has  - '//*[@class="docblock"]' 'Docs associated with the S3 trait b_method implementation.'
+// @!has - '//*[@class="docblock"]' 'Docs associated with the trait a_method definition.'
+pub struct S3(usize);
+
+/// Docs associated with the S3 trait implementation.
+impl T for S3 {
+    fn a_method(&self) -> usize {
+        self.0
+    }
+
+    /// Docs associated with the S3 trait b_method implementation.
+    fn b_method(&self) -> usize {
+        5
+    }
+}