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diff --git a/js/scripting-lang/scratch_tests/test_pattern_part3.txt b/js/scripting-lang/scratch_tests/test_pattern_part3.txt
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+++ b/js/scripting-lang/scratch_tests/test_pattern_part3.txt
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+/* Integration Test: Pattern Matching */
+/* Combines: case expressions, functions, recursion, complex patterns */
+
+..out "=== Integration Test: Pattern Matching ===";
+
+/* Recursive factorial with case expressions */
+factorial : n -> 
+  when n is
+    0 then 1
+    _ then n * (factorial (n - 1));
+
+/* Pattern matching with multiple parameters */
+classify : x y -> 
+  when x y is
+    0 0 then "both zero"
+    0 _ then "x is zero"
+    _ 0 then "y is zero"
+    _ _ then when x is
+            0 then "x is zero (nested)"
+            _ then when y is
+                  0 then "y is zero (nested)"
+                  _ then "neither zero";
+
+/* Test factorial */
+fact5 : factorial 5;
+fact3 : factorial 3;
+
+..out "test calls created successfully"; 
\ No newline at end of file