diff --git a/test/fixtures/java/corpus/wildcard.java b/test/fixtures/java/corpus/Wildcard.A.java
similarity index 100%
rename from test/fixtures/java/corpus/wildcard.java
rename to test/fixtures/java/corpus/Wildcard.A.java
diff --git a/test/fixtures/java/corpus/Wildcard.B.java b/test/fixtures/java/corpus/Wildcard.B.java
new file mode 100644
index 000000000..581d79c5f
--- /dev/null
+++ b/test/fixtures/java/corpus/Wildcard.B.java
@@ -0,0 +1,3 @@
+class Connectable {
+  void connect(C<? extends B> connection);
+}
diff --git a/test/fixtures/java/corpus/Wildcard.diffA-B.txt b/test/fixtures/java/corpus/Wildcard.diffA-B.txt
new file mode 100644
index 000000000..84fccc5d8
--- /dev/null
+++ b/test/fixtures/java/corpus/Wildcard.diffA-B.txt
@@ -0,0 +1,19 @@
+(Statements
+  (Class
+    (Identifier)
+    (Statements
+      (Method
+        (Void)
+        (Empty)
+        (Identifier)
+        (Annotation
+          (Identifier)
+          (GenericType
+          { (Identifier)
+          ->(Identifier) }
+            (Wildcard
+            { (WildcardBoundSuper
+              {-(Identifier)-})
+            ->(WildcardBoundExtends
+              {+(Identifier)+}) })))
+        (Empty)))))
diff --git a/test/fixtures/java/corpus/Wildcard.diffB-A.txt b/test/fixtures/java/corpus/Wildcard.diffB-A.txt
new file mode 100644
index 000000000..04ea9993f
--- /dev/null
+++ b/test/fixtures/java/corpus/Wildcard.diffB-A.txt
@@ -0,0 +1,19 @@
+(Statements
+  (Class
+    (Identifier)
+    (Statements
+      (Method
+        (Void)
+        (Empty)
+        (Identifier)
+        (Annotation
+          (Identifier)
+          (GenericType
+          { (Identifier)
+          ->(Identifier) }
+            (Wildcard
+            { (WildcardBoundExtends
+              {-(Identifier)-})
+            ->(WildcardBoundSuper
+              {+(Identifier)+}) })))
+        (Empty)))))
diff --git a/test/fixtures/java/corpus/Wildcard.parseA.txt b/test/fixtures/java/corpus/Wildcard.parseA.txt
new file mode 100644
index 000000000..e55a144cb
--- /dev/null
+++ b/test/fixtures/java/corpus/Wildcard.parseA.txt
@@ -0,0 +1,16 @@
+(Statements
+  (Class
+    (Identifier)
+    (Statements
+      (Method
+        (Void)
+        (Empty)
+        (Identifier)
+        (Annotation
+          (Identifier)
+          (GenericType
+            (Identifier)
+            (Wildcard
+              (WildcardBoundSuper
+                (Identifier)))))
+        (Empty)))))
diff --git a/test/fixtures/java/corpus/Wildcard.parseB.txt b/test/fixtures/java/corpus/Wildcard.parseB.txt
new file mode 100644
index 000000000..b1c84ce3d
--- /dev/null
+++ b/test/fixtures/java/corpus/Wildcard.parseB.txt
@@ -0,0 +1,16 @@
+(Statements
+  (Class
+    (Identifier)
+    (Statements
+      (Method
+        (Void)
+        (Empty)
+        (Identifier)
+        (Annotation
+          (Identifier)
+          (GenericType
+            (Identifier)
+            (Wildcard
+              (WildcardBoundExtends
+                (Identifier)))))
+        (Empty)))))