public void ProcessOperatorCircleCircumference() { var a = 1.5f; var value_a = new VFXValue <float>(a); var expressionA = VFXOperatorUtility.CircleCircumference(value_a); var context = new VFXExpression.Context(VFXExpressionContextOption.CPUEvaluation); var resultExpressionA = context.Compile(expressionA); Assert.AreEqual(a * 2.0f * Mathf.PI, resultExpressionA.Get <float>(), 0.001f); }