Add Size() method for MathmematicalSeries.

1 files changed, 16 insertions, 0 deletions

diff --git a/ms/ms_test.go b/ms/ms_test.go
index 3eb3b4f..86a5488 100644
--- a/ms/ms_test.go
+++ b/ms/ms_test.go
@@ -99,3 +99,19 @@ func Test_RotatingValues(test *testing.T) {
 		test.Fatalf("Adding values does not properly erase earlier values.")
 	}
 }
+func Test_Size(test *testing.T) {
+	series := NewMathematicalSeries[int](5)
+
+	series.AddElement(1)
+	series.AddElement(2)
+	series.AddElement(3)
+	series.AddElement(4)
+	series.AddElement(5)
+
+	series.AddElement(6)
+	series.AddElement(7)
+
+	if series.Size() != 5 {
+		test.Fatalf("Series size calculations failed.")
+	}
+}