From 601dc66d7d9a3fe3a97d7292764639c410a381ed Mon Sep 17 00:00:00 2001
From: Palash Tyagi <23239946+Magnus167@users.noreply.github.com>
Date: Sun, 6 Jul 2025 10:47:21 +0100
Subject: [PATCH] Add panic test for frame_zip method with incompatible
 dimensions

---
 src/frame/base.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/frame/base.rs b/src/frame/base.rs
index 8399125..97552cc 100644
--- a/src/frame/base.rs
+++ b/src/frame/base.rs
@@ -1721,6 +1721,16 @@ mod tests {
         assert!((zipped_frame["B"][2] - 6.6).abs() < FLOAT_TOLERANCE);
     }
 
+    #[test]
+    #[should_panic(expected = "Frame::frame_zip: incompatible dimensions (self: 3x1, other: 3x2)")]
+    fn test_frame_zip_panic() {
+        let mut f1 = create_test_frame_f64();
+        let f2 = create_test_frame_f64_alt();
+        f1.delete_column("B");
+
+        f1.frame_zip(&f2, |x, y| x + y); // Should panic due to different column counts
+    }
+
     // --- Element-wise Arithmetic Ops Tests ---
     #[test]
     fn test_frame_arithmetic_ops_f64() {