	@Test
	public void test() {		

		
		if(this.errorClass != null)
		{
			try {
				feature.extractFeature(this.proof, this.evidence);
		        Assert.fail("Excpected expection");
		    } catch (NullPointerException e) {
		        Assert.assertTrue(true);
		        return;
		    }
		}
		feature.extractFeature(this.proof, this.evidence);
		Assert.assertEquals(this.expectedScore, this.proof.getFeatures().value(AbstractFactFeatures.DEPENDENCY_SUBJECT_OBJECT),0.0);
		
	}