diff --git a/src/test/java/org/apache/commons/math/analysis/function/StepFunctionTest.java b/src/test/java/org/apache/commons/math/analysis/function/StepFunctionTest.java
index e236dbd0b..6d63a2c84 100644
--- a/src/test/java/org/apache/commons/math/analysis/function/StepFunctionTest.java
+++ b/src/test/java/org/apache/commons/math/analysis/function/StepFunctionTest.java
@@ -78,4 +78,18 @@ public class StepFunctionTest {
         Assert.assertEquals(51.2, f.value(30), EPS);
         Assert.assertEquals(51.2, f.value(Double.POSITIVE_INFINITY), EPS);
     }
+
+    @Test
+    public void testHeaviside() {   
+        final UnivariateRealFunction h = new StepFunction(new double[] {-1, 0},
+                                                          new double[] {0, 1});
+
+        Assert.assertEquals(0, h.value(Double.NEGATIVE_INFINITY), 0);
+        Assert.assertEquals(0, h.value(-Double.MAX_VALUE), 0);
+        Assert.assertEquals(0, h.value(-2), 0);
+        Assert.assertEquals(0, h.value(-Double.MIN_VALUE), 0);
+        Assert.assertEquals(1, h.value(0), 0);
+        Assert.assertEquals(1, h.value(2), 0);
+        Assert.assertEquals(1, h.value(Double.POSITIVE_INFINITY), 0);
+    }
 }