1 files changed, 36 insertions, 0 deletions
diff --git a/test/prism/snapshots/seattlerb/defn_opt_reg.txt b/test/prism/snapshots/seattlerb/defn_opt_reg.txt
new file mode 100644
index 0000000000..f86168513a
--- /dev/null
+++ b/test/prism/snapshots/seattlerb/defn_opt_reg.txt
@@ -0,0 +1,36 @@
+@ ProgramNode (location: (1,0)-(1,19))
+├── locals: []
+└── statements:
+    @ StatementsNode (location: (1,0)-(1,19))
+    └── body: (length: 1)
+        └── @ DefNode (location: (1,0)-(1,19))
+            ├── name: :f
+            ├── name_loc: (1,4)-(1,5) = "f"
+            ├── receiver: ∅
+            ├── parameters:
+            │   @ ParametersNode (location: (1,6)-(1,14))
+            │   ├── requireds: (length: 0)
+            │   ├── optionals: (length: 1)
+            │   │   └── @ OptionalParameterNode (location: (1,6)-(1,11))
+            │   │       ├── flags: ∅
+            │   │       ├── name: :a
+            │   │       ├── name_loc: (1,6)-(1,7) = "a"
+            │   │       ├── operator_loc: (1,7)-(1,8) = "="
+            │   │       └── value:
+            │   │           @ NilNode (location: (1,8)-(1,11))
+            │   ├── rest: ∅
+            │   ├── posts: (length: 1)
+            │   │   └── @ RequiredParameterNode (location: (1,13)-(1,14))
+            │   │       ├── flags: ∅
+            │   │       └── name: :b
+            │   ├── keywords: (length: 0)
+            │   ├── keyword_rest: ∅
+            │   └── block: ∅
+            ├── body: ∅
+            ├── locals: [:a, :b]
+            ├── def_keyword_loc: (1,0)-(1,3) = "def"
+            ├── operator_loc: ∅
+            ├── lparen_loc: (1,5)-(1,6) = "("
+            ├── rparen_loc: (1,14)-(1,15) = ")"
+            ├── equal_loc: ∅
+            └── end_keyword_loc: (1,16)-(1,19) = "end"