diff --git a/corpus/no_argument_with_newline.txt b/corpus/no_argument_with_newline.txt
new file mode 100644
index 0000000..7d940ec
--- /dev/null
+++ b/corpus/no_argument_with_newline.txt
@@ -0,0 +1,14 @@
+===============================================
+Command invocation without argument with spaces
+===============================================
+
+message( )
+
+---
+
+(source_file
+  (command_invocation
+    (identifier)
+    (seperation (space))
+  )
+)
\ No newline at end of file
diff --git a/corpus/no_argument_with_space.txt b/corpus/no_argument_with_space.txt
new file mode 100644
index 0000000..69c28a1
--- /dev/null
+++ b/corpus/no_argument_with_space.txt
@@ -0,0 +1,18 @@
+================================================
+Command invocation without argument with newline
+================================================
+
+message(
+
+)
+
+---
+
+(source_file
+  (command_invocation
+    (identifier)
+    (seperation 
+      (line_ending (newline))
+    )
+  )
+)
\ No newline at end of file