@Test
public void mustBeAbleToAccessParameter() {

    // Augment stub method before testing
    methodNode.desc = Type.getMethodDescriptor(Type.VOID_TYPE, Type.LONG_TYPE);
    
    VariableTable fixture = new VariableTable(classNode, methodNode);
    Variable var = fixture.getArgument(1);
    
    assertEquals(var.getType(), Type.LONG_TYPE);
    assertEquals(var.getIndex(), 1);
    assertTrue(var.isUsed());
}