def testMultipleSizeConstraints(self):
"""Test several constraints that influence each other.
"""
a1 = _core.IntArraySlot(1)
a1.resize(4)
lsc = LinearSizeConstraint(a1,1,1)
a2 = _core.IntArraySlot(1, lsc)
usc = UserSizeConstraint(5)
a3 = _core.IntArraySlot(1, usc)
a4 = _core.IntArraySlot(1)
self.assertEqual(0, a3[1])
a2.connect(a4)
a2.connect(a3)
self.assertEqual(5, a4.size())
a2[1] = 12;
self.assertEqual(12, a2[1])
self.assertEqual(12, a3[1])
self.assertEqual(12, a4[1])
# Resizing the first slot must fail because of the other, size
# constraint slots...
self.assertRaises(ValueError, lambda: a1.resize(2))
# Check that the slots still have the original size...
self.assertEqual(4, a1.size())
self.assertEqual(5, a2.size())
self.assertEqual(5, a3.size())
self.assertEqual(5, a4.size())
def testLinearSizeConstraints(self):
"""Test the LinearSizeConstraint class.
"""
a1 = _core.IntArraySlot(1)
a1.resize(4)
lsc = LinearSizeConstraint(a1, 2, 1)
self.assertEqual(lsc.getSize(), 9)
# Create a slot that depends on the size of a1
a2 = _core.IntArraySlot(1, lsc)
self.assertEqual(a2.size(), 9)
a1.resize(6)
self.assertEqual(a2.size(), 13)
def testGetSetMultn(self):
# Multiplicity 3
asl = _core.IntArraySlot(3)
asl.resize(10)
for i in range(10):
asl.setValue(i, (i, i+1, i+2))
for i in range(10):
self.assertEqual(asl.getValue(i), (i,i+1,i+2))
for i in range(10):
self.assertEqual(asl[i], (i,i+1,i+2))