diff --git a/tests/test_Histogram.py b/tests/test_Histogram.py
index ce8e528a..efc3640b 100644
--- a/tests/test_Histogram.py
+++ b/tests/test_Histogram.py
@@ -104,16 +104,29 @@ def test_add_value_single_number_to_multiple_histograms():
     )
     
 def test_add_value_out_of_range():
-    # Test adding values outside the histogram range
-    hist = Histogram((0, 10, 10))
-    histogram_original = hist.histograms_.copy() 
-    values_out = [12.5, 10, -1] 
+    # Test adding values inside and outside the histograms range 
+    hist = Histogram((0, 20, 20))
+    valid_values = [1, 2, 10, 18]
+    for value in valid_values:
+        hist.add_value(value)
+
+    histogram_after_valid = hist.histograms_.copy()
 
+    outlier_values = [-1, 21, 40, 20]
     with pytest.warns(UserWarning, match="Exceeding values are ignored"):
-        for value in values_out:
+        for value in outlier_values:
             hist.add_value(value)
-    # Ensure that the histogram has not changed after trying to add out-of-range values
-    assert np.array_equal(hist.histograms_, histogram_original), "Histogram should not be modified with out-of-range values"
+
+    # Check that the histogram did not change after adding outliers
+    assert np.allclose(hist.histograms_, histogram_after_valid), "Histogram changed after adding out-of-range values."
+
+    hist2 = Histogram((0, 10, 10))
+    values = [1, 4, 6.6, 12, 22, -1]
+    with pytest.warns(UserWarning, match="Exceeding values are ignored"):
+        for value in values:
+            hist2.add_value(value)
+        
+    assert np.allclose(hist2.histogram(), np.array([0, 1, 0, 0, 1, 0, 1, 0, 0, 0])), "Histogram changed after adding out-of-range values."
 
 def test_remove_bin_out_of_range():
     # Test removing a bin at an index out of range