add test case for more complex compile time expression and add tree assertions to others
add test case for more complex compile time expression and add tree assertions to others

encukou/cython,hhsprings/cython,slonik-az/cython,fabianrost84/cython,mrGeen/cython,fperez/cython,encukou/cython,mcanthony/cython,andreasvc/cython,c-blake/cython,slonik-az/cython,mrGeen/cython,hickford/cython,dahebolangkuan/cython,marscher/cython,fabianrost84/cython,JelleZijlstra/cython,cython/cython,c-blake/cython,achernet/cython,dahebolangkuan/cython,madjar/cython,fabianrost84/cython,mrGeen/cython,hickford/cython,marscher/cython,fperez/cython,da-woods/cython,andreasvc/cython,slonik-az/cython,cython/cython,c-blake/cython,slonik-az/cython,ChristopherHogan/cython,hickford/cython,mrGeen/cython,hickford/cython,ABcDexter/cython,madjar/cython,roxyboy/cython,ChristopherHogan/cython,da-woods/cython,acrispin/cython,marscher/cython,da-woods/cython,ABcDexter/cython,JelleZijlstra/cython,JelleZijlstra/cython,hickford/cython,c-blake/cython,marscher/cython,madjar/cython,roxyboy/cython,scoder/cython,mcanthony/cython,hhsprings/cython,dahebolangkuan/cython,acrispin/cython,fperez/cython,da-woods/cython,encukou/cython,JelleZijlstra/cython,achernet/cython,achernet/cython,acrispin/cython,cython/cython,andreasvc/cython,achernet/cython,fabianrost84/cython,scoder/cython,roxyboy/cython,hhsprings/cython,mcanthony/cython,andreasvc/cython,mcanthony/cython,fperez/cython,roxyboy/cython,madjar/cython,ChristopherHogan/cython,mrGeen/cython,achernet/cython,dahebolangkuan/cython,fabianrost84/cython,fperez/cython,marscher/cython,scoder/cython,scoder/cython,c-blake/cython,acrispin/cython,acrispin/cython,encukou/cython,ABcDexter/cython,hhsprings/cython,JelleZijlstra/cython,ABcDexter/cython,mcanthony/cython,hhsprings/cython,madjar/cython,roxyboy/cython,slonik-az/cython,encukou/cython,dahebolangkuan/cython,cython/cython,andreasvc/cython,ABcDexter/cython