test/test_zip_tuples.rb in tracksperanto-3.5.4 vs test/test_zip_tuples.rb in tracksperanto-3.5.5

@@ -7,19 +7,26 @@
   def test_zip_with_empty
     assert_equal [], zip_curve_tuples([])
   end
   
   def test_zip_with_standard_dataset
-    assert_equal [[1, 123, 234]], zip_curve_tuples([[1, 123], [1,234]])
+    assert_equal [[1, 123, 234]], zip_curve_tuples([[1, 123]], [[1, 234]])
   end
 
   def test_zip_with_missing_step
-    assert_equal [[1, 123, 345], [2, 234]], zip_curve_tuples([[1, 123], [1, 345], [2,234]])
+    assert_equal [[1, 123, 234]], zip_curve_tuples([[1, 123], [2, 456]], [[1, 234]])
   end
-  
+
   def test_zip_with_two_curves
     curve_a = [[1, 123], [2, 345]]
     curve_b = [[1, 23.4], [2, 14.5]]
     result = [[1, 123, 23.4], [2, 345, 14.5]]
+    assert_equal result, zip_curve_tuples(curve_a, curve_b)
+  end
+  
+  def test_zip_with_negative_frame_indices
+    curve_a = [[-100, 123], [24, 345]]
+    curve_b = [[-100, 23.4], [24, 14.5]]
+    result = [[-100, 123, 23.4], [24, 345, 14.5]]
     assert_equal result, zip_curve_tuples(curve_a, curve_b)
   end
 end