X-Git-Url: https://scm.cri.ensmp.fr/git/linpy.git/blobdiff_plain/bf0ba2bac20a5c3f288001a78275e83a0106a02a..d06ab92943ec2e10a2bd798ca7c1b5cea395bf34:/pypol/tests/test_domains.py diff --git a/pypol/tests/test_domains.py b/pypol/tests/test_domains.py index 17e20fd..e9dd1cd 100644 --- a/pypol/tests/test_domains.py +++ b/pypol/tests/test_domains.py @@ -1,9 +1,8 @@ import unittest -from pypol import * -#from ..domains import * -#from ..linexprs import symbols -#from ..polyhedra import * +from ..domains import * +from ..linexprs import Symbol, symbols +from ..polyhedra import * class TestDomain(unittest.TestCase): @@ -13,15 +12,16 @@ class TestDomain(unittest.TestCase): self.square1 = Polyhedron(inequalities=[x, 2 - x, y, 2 - y]) self.square2 = Polyhedron(inequalities=[x - 1, 3 - x , y - 1, 3 - y]) #correct representation self.square3 = Polyhedron(inequalities=[x, 3 - x, y, 3 - y]) - self.square4 = Polyhedron(inequalities=[x - 1, 2 - x, y - 1, 2 - y]) + self.square4 = Polyhedron(inequalities=[x - 1, 2 - x, y - 1, 2 - y]) self.square5 = Polyhedron(inequalities=[x - 3, 6 - x, y - 3, 6 -y]) self.square6 = Polyhedron(equalities=[3 - y], inequalities=[x - 1, 3 - x, y - 1]) self.unbound_poly = Polyhedron(inequalities=[x, 3 - x, y]) self.universe = Polyhedron([]) self.empty = Empty self.disjoint = And(Ge(x, 0), Ge(-x + 2, 0), Ge(y, 0), Ge(-y + 2, 0)) - self.compliment = Or(Ge(-x - 1, 0), Ge(x - 3, 0), And(Ge(x, 0), Ge(-x + 2, 0), Ge(-y - 1, 0)), And(Ge(x, 0), Ge(-x + 2, 0), Ge(y - 3, 0))) + self.complement = Or(Ge(-x - 1, 0), Ge(x - 3, 0), And(Ge(x, 0), Ge(-x + 2, 0), Ge(-y - 1, 0)), And(Ge(x, 0), Ge(-x + 2, 0), Ge(y - 3, 0))) self.hull = And(Ge(x, 0), Ge(-x + 2, 0), Ge(y, 0), Ge(-y + 2, 0)) + self.dropped = And(Ge(y, 0), Ge(-y + 2, 0)) self.sample = And(Eq(y - 3, 0), Eq(x - 1, 0)) self.intersection = And(Ge(x - 1, 0), Ge(-x + 2, 0), Ge(y - 1, 0), Ge(-y + 2, 0)) self.union = Or(And(Ge(x, 0), Ge(-x + 2, 0), Ge(y, 0), Ge(-y + 2, 0)), And(Ge(x - 1, 0), Ge(-x + 3, 0), Ge(y - 1, 0), Ge(-y + 3, 0))) @@ -31,14 +31,14 @@ class TestDomain(unittest.TestCase): self.difference2 = And(Ge(x + y - 4, 0), Ge(-x + 3, 0), Ge(-y + 3, 0)) self.lexmin = And(Eq(y, 0), Eq(x, 0)) self.lexmax = And(Eq(y - 2, 0), Eq(x - 2, 0)) - + def test_new(self): with self.assertRaises(TypeError): - Polyhedron(1) + Polyhedron(1) def test_disjoint(self): self.assertEqual(self.square1.disjoint(), self.disjoint) - + def test_isempty(self): self.assertFalse(self.square1.isempty()) self.assertTrue(self.empty.isempty()) @@ -52,65 +52,70 @@ class TestDomain(unittest.TestCase): self.assertFalse(self.unbound_poly.isbounded()) def test_eq(self): - self.assertTrue(self.square1.__eq__(self.square1)) - self.assertFalse(self.square1.__eq__(self.square2)) - + self.assertTrue(self.square1 == self.square1) + self.assertFalse(self.square1 == self.square2) + def test_isdisjoint(self): self.assertFalse(self.square1.isdisjoint(self.square2)) self.assertTrue(self.square1.isdisjoint(self.square5)) - + def test_issubset(self): self.assertTrue(self.square4.issubset(self.unbound_poly)) self.assertFalse(self.square1.issubset(self.square2)) - + def test_le(self): - self.assertTrue(self.square4.__le__(self.square3)) - self.assertFalse(self.square3.__le__(self.square4)) - + self.assertTrue(self.square4 <= self.square3) + self.assertFalse(self.square3 <= self.square4) + def test_lt(self): - self.assertTrue(self.square4.__lt__(self.square3)) - self.assertFalse(self.square3.__lt__(self.square4)) - - def test_compliment(self): - self.assertEqual(~self.square1, self.compliment) - + self.assertTrue(self.square4 < self.square3) + self.assertFalse(self.square3 < self.square4) + + def test_complement(self): + self.assertEqual(~self.square1, self.complement) + def test_polyhedral_hull(self): self.assertEqual(self.square1.polyhedral_hull(), self.hull) - + + def test_project_out(self): + self.assertEqual(self.square1.project_out(symbols('x')), self.dropped) + self.assertEqual(self.square1.project_out(symbols('x y')), self.universe) + self.assertEqual(self.universe.project_out([]), self.universe) + self.assertEqual(self.empty.project_out([]), Empty) + def test_simplify(self): self.assertEqual(self.universe.simplify(), self.universe) self.assertEqual(self.empty.simplify(), Empty) - + def test_sample(self): self.assertEqual(self.empty.sample(), Empty) self.assertEqual(self.universe.sample(), self.universe) self.assertEqual(self.square6.sample(), self.sample) - + def test_intersection(self): self.assertEqual(self.square1.intersection(self.square2), self.intersection) - + def test_and(self): - self.assertEqual(self.square2 & self.square1, self.intersection) - + self.assertEqual(self.square2 & self.square1, self.intersection) + def test_union(self): self.assertEqual(self.square1.union(self.square2), self.union) - + def test_or(self): - self.assertEqual(self.square1.__or__(self.square2), self.union) - + self.assertEqual(self.square1 | self.square2, self.union) + def test_add(self): - self.assertEqual(self.square2.__add__(self.square1), self.sum1) + self.assertEqual(self.square2 + self.square1, self.sum1) self.assertEqual(Polyhedron(self.square1 + self.square2), self.sum2) - + def test_difference(self): self.assertEqual(self.square2 - self.square1, self.difference1) self.assertEqual(Polyhedron(self.square2 - self.square1), self.difference2) self.assertEqual(self.square2 - self.square2, Empty) self.assertEqual(self.universe - self.universe, Empty) - + def test_lexmin(self): self.assertEqual(self.square1.lexmin(), self.lexmin) def test_lexmax(self): self.assertEqual(self.square1.lexmax(), self.lexmax) -