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# Utility functions that are used in more than just one test
from cgkit.geomobject import *
############### GeomObject tests: ##############
# createVars
def createVars(geom):
"""Create a variable for each storage class.
"""
geom.newVariable("constant", CONSTANT, INT)
geom.newVariable("uniform", UNIFORM, INT)
geom.newVariable("varying", VARYING, INT)
geom.newVariable("vertex", VERTEX, INT)
geom.newVariable("facevarying", FACEVARYING, INT)
geom.newVariable("facevertex", FACEVERTEX, INT)
geom.newVariable("user", USER, INT, user_n=12)
# checkVars
def checkVars(self, geom, uniform, var, vtx, facevar, facevtx):
"""Check the sizes of the variables.
"""
user_slot = geom.slot("user")
self.assertEqual(user_slot.size(), 12)
c_slot = geom.slot("constant")
self.assertEqual(c_slot.size(), 1)
u_slot = geom.slot("uniform")
self.assertEqual(u_slot.size(), uniform)
v_slot = geom.slot("varying")
self.assertEqual(v_slot.size(), var)
vx_slot = geom.slot("vertex")
self.assertEqual(vx_slot.size(), vtx)
fv_slot = geom.slot("facevarying")
self.assertEqual(fv_slot.size(), facevar)
fvx_slot = geom.slot("facevertex")
self.assertEqual(fvx_slot.size(), facevtx)
# checkVarResize
def checkVarResize(self, geom):
user_slot = geom.slot("user")
user_slot.resize(15)
self.assertEqual(user_slot.size(), 15)
user_slot.resize(12)
self.assertEqual(user_slot.size(), 12)
c_slot = geom.slot("constant")
self.assertRaises(ValueError, lambda: c_slot.resize(17))
u_slot = geom.slot("uniform")
self.assertRaises(ValueError, lambda: u_slot.resize(u_slot.size()+12))
v_slot = geom.slot("varying")
self.assertRaises(ValueError, lambda: v_slot.resize(v_slot.size()+12))
vx_slot = geom.slot("vertex")
self.assertRaises(ValueError, lambda: vx_slot.resize(vx_slot.size()+12))
fv_slot = geom.slot("facevarying")
self.assertRaises(ValueError, lambda: fv_slot.resize(fv_slot.size()+12))
fvx_slot = geom.slot("facevertex")
self.assertRaises(ValueError, lambda: fvx_slot.resize(fvx_slot.size()+12))
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