Add test for missing expression in string interpolation

kntkymt · kntkymt · commit 16612b0760a6 · 2025-04-22T01:55:41.000+09:00
diff --git a/test/Parse/trailing-comma.swift b/test/Parse/trailing-comma.swift
@@ -60,6 +60,7 @@ struct S {
 // String Literal Interpolation
 
 "\(1,)"
+"\(1, f:)" // expected-error {{expected expression in list of expressions}}
 
 // Availability Spec List
 
