# Setup
c-->from imp import reload
c-->import pcollections,inspect
c-->reload(pcollections)
c-->from pcollections import pnamedtuple as pnt
# Test pnamedtuple (as pnt)
c-->Quad1    = pnt('Quad1', 'x y z f')
c-->print(Quad1.source_code)
c-->Quad2    = pnt('Quad2', 'x,  y, z,    f')
c-->Quad3    = pnt('Quad3', ['x','y','z','f'])
^-->Quad_Bad = pnt(1, 'x y z f')-->SyntaxError
^-->Quad_Bad = pnt('Quad_Bad', {'x','y','z','f'})-->SyntaxError
^-->Quad_Bad = pnt('3', 'x y z f')-->SyntaxError
^-->Quad_Bad = pnt('Quad_Bad', 'x 3 z f')-->SyntaxError
^-->Quad_Bad = pnt('Quad_Bad', 'x y z if')-->SyntaxError
^-->Quad_Bad = pnt('Quad_Bad', '_x _y _z _f')-->SyntaxError
c-->Quad_OK  = pnt('Quad_OK', 'x17 y__1 z__2 f2')
# Test init/repr
c-->t1 = Quad1(1,2,3,4)
e-->repr(t1)-->Quad1(x=1,y=2,z=3,f=4)
c-->t2 = Quad2(1,2,3,4)
e-->repr(t2)-->Quad2(x=1,y=2,z=3,f=4)
c-->t3 = Quad3(1,2,3,4)
e-->repr(t3)-->Quad3(x=1,y=2,z=3,f=4)
c-->t3 = Quad3(f=4,z=3,y=2,x=1)
e-->repr(t3)-->Quad3(x=1,y=2,z=3,f=4)
c-->tok= Quad_OK(z__2=3,f2=4,y__1=2,x17=1)
e-->repr(tok)-->Quad_OK(x17=1,y__1=2,z__2=3,f2=4)
e-->t1.x-->1
e-->t1.y-->2
e-->t1.z-->3
e-->t1.f-->4
^-->t1.d-->AttributeError
# Test get_ methods
e-->t1.get_x()-->1
e-->t1.get_y()-->2
e-->t1.get_z()-->3
e-->t1.get_f()-->4
^-->t1.get_d()-->AttributeError
c-->l = [Quad1(x=1,y=2,z=3,f=4),Quad1(y=1,f=4,z=2,x=3),Quad1(f=4,z=1,x=2,y=3)]
c-->l.sort(key=Quad1.get_x)
e-->l-->[Quad1(x=1,y=2,z=3,f=4), Quad1(x=2,y=3,z=1,f=4), Quad1(x=3,y=1,z=2,f=4)]
# Test __getitem__ functions
e-->t1[0]-->1
e-->t1[1]-->2
e-->t1[2]-->3
e-->t1[3]-->4
e-->t1['x']-->1
e-->t1['y']-->2
e-->t1['z']-->3
e-->t1['f']-->4
^-->t1[5]-->IndexError
^-->t1['d']-->IndexError
^-->t1[3.2]-->IndexError
# Test ==
e-->t1 == t1-->True
e-->t1 == t2-->False
e-->t1 == Quad1(x=1,y=2,z=3,f=4)-->True
e-->t1 == Quad1(x=1,y=2,z=3,f=3)-->False
# Test replace (not mutable)
==-->t1._replace(x=2)-->Quad1(2,2,3,4)
==-->t1._replace(x=2,f=2)-->Quad1(2,2,3,2)
^-->t1._replace(x=2,z=2,d=2)-->TypeError
==-->t1-->Quad1(x=1,y=2,z=3,f=4)
# Test _replace (mutable)
c-->Quad1 = pnt('Quad1', 'x y z f',mutable=True)
c-->t1 = Quad1(1,2,3,4)
e-->t1._replace(x=2,f=2)-->None
==-->t1-->Quad1(x=2,y=2,z=3,f=2)
# Test Extra Credit (prohibit mutation if immutable)
c-->Quad1 = pnt('Quad1', 'x y z f',mutable=False)
c-->t1 = Quad1(1,2,3,4)
^-->t1.x = 2-->AttributeError
c-->Quad1 = pnt('Quad1', 'x y z f',mutable=True)
c-->t1 = Quad1(1,2,3,4)
c-->t1.x = 2
==-->t1-->Quad1(2,2,3,4)