assertEquals( calculatePositiveMask(list("s"), sp), rtNode2.getDeclaredMask() );
assertEquals( calculatePositiveMask(list("a", "s"), sp), rtNode2.getInferredMask() );
assertEquals( calculateNegativeMask(list("!i"), sp), rtNode2.getNegativeMask() );
// test rule removal
kbase.removeRule( "org.drools.compiler.integrationtests", "r0" );
assertEquals( calculatePositiveMask(list("a"), sp), alphaNode1.getDeclaredMask( ) );
assertEquals( calculatePositiveMask(list("a", "i", "s"), sp), alphaNode1.getInferredMask() );
assertEquals( calculatePositiveMask(list("i"), sp), alphaNode1_2.getDeclaredMask( ) );
assertEquals( calculatePositiveMask(list("a", "i", "s"), sp), alphaNode1_2.getInferredMask() );