X-Git-Url: https://scm.cri.ensmp.fr/git/linpy.git/blobdiff_plain/08697512e84abaa87be93fa61ac30937d24d4364..7b93cea1daf2889e9ee10ca9c22a1b5124404937:/pypol/tests/test_domains.py diff --git a/pypol/tests/test_domains.py b/pypol/tests/test_domains.py deleted file mode 100644 index e4f996c..0000000 --- a/pypol/tests/test_domains.py +++ /dev/null @@ -1,162 +0,0 @@ -import unittest - -from ..domains import * -from ..linexprs import Symbol, symbols -from ..polyhedra import * - - -class TestDomain(unittest.TestCase): - - def setUp(self): - x, y = symbols('x y') - 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.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.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.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))) - self.sum1 = 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))) - self.sum2 =And(Ge(x, 0), Ge(y, 0), Ge(-y + 3, 0), Ge(-x + 3, 0), Ge(x - y + 2, 0), Ge(-x + y + 2, 0)) - self.difference1 = Or(And(Eq(x - 3, 0), Ge(y - 1, 0), Ge(-y + 3, 0)), And(Eq(y - 3, 0), Ge(x - 1, 0), Ge(-x + 2, 0))) - 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) - - def test_disjoint(self): - self.assertEqual(self.square1.disjoint(), self.disjoint) - self.assertEqual(self.empty.disjoint(), Empty) - self.assertEqual(self.universe.disjoint(), self.universe) - - def test_isempty(self): - self.assertFalse(self.square1.isempty()) - self.assertTrue(self.empty.isempty()) - self.assertFalse(self.universe.isempty()) - - def test_isuniverse(self): - self.assertFalse(self.square1.isuniverse()) - self.assertTrue(self.universe.isuniverse()) - - def test_isbounded(self): - self.assertTrue(self.square1.isbounded()) - self.assertFalse(self.unbound_poly.isbounded()) - - def test_eq(self): - self.assertTrue(self.square1 == self.square1) - self.assertFalse(self.square1 == self.square2) - self.assertFalse(self.empty == self.universe) - - def test_isdisjoint(self): - self.assertFalse(self.square1.isdisjoint(self.square2)) - self.assertFalse(self.universe.isdisjoint(self.square1)) - self.assertTrue(self.square1.isdisjoint(self.square5)) - self.assertTrue(self.empty.isdisjoint(self.square1)) - - def test_issubset(self): - self.assertTrue(self.square4.issubset(self.unbound_poly)) - self.assertFalse(self.square1.issubset(self.square2)) - self.assertTrue(self.square1.issubset(self.universe)) - self.assertTrue(self.empty.issubset(self.square1)) - - def test_le(self): - self.assertTrue(self.square4 <= self.square3) - self.assertFalse(self.square3 <= self.square4) - self.assertTrue(self.empty <= self.square1) - self.assertTrue(self.square1 <= self.universe) - - def test_lt(self): - self.assertTrue(self.square4 < self.square3) - self.assertFalse(self.square3 < self.square4) - self.assertTrue(self.empty < self.square1) - self.assertTrue(self.square1 < self.universe) - - def test_complement(self): - self.assertEqual(~self.square1, self.complement) - self.assertEqual(~self.universe, Empty) - self.assertEqual(~self.empty, self.universe) - - def test_aspolyhedron(self): - self.assertEqual(self.square1.aspolyhedron(), self.hull) - self.assertEqual(self.universe.aspolyhedron(), self.universe) - self.assertEqual(self.empty.aspolyhedron(), self.empty) - - def test_project(self): - self.assertEqual(self.square1.project(symbols('x')), self.dropped) - self.assertEqual(self.square1.project(symbols('x y')), self.universe) - self.assertEqual(self.universe.project([]), self.universe) - self.assertEqual(self.empty.project([]), 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.square6.sample(), {Symbol('x'): 1, Symbol('y'): 3}) - self.assertEqual(self.empty.sample(), None) - self.assertEqual(self.universe.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.square1 & self.universe, self.square1) - self.assertEqual(self.empty & self.square1, Empty) - self.assertEqual(self.universe & self.universe, self.universe) - self.assertEqual(self.universe & self.empty, Empty) - self.assertEqual(self.empty & self.empty, Empty) - - def test_union(self): - self.assertEqual(self.square1.union(self.square2), self.union) - self.assertEqual(self.square1.union(self.empty), self.square1) - self.assertEqual(self.square1.union(self.universe), self.universe) - self.assertEqual(self.universe.union(self.universe), self.universe) - self.assertEqual(self.empty.union(self.empty), self.empty) - - def test_or(self): - self.assertEqual(self.square1 | self.square2, self.union) - - def test_add(self): - self.assertEqual(self.square2 + self.square1, self.sum1) - self.assertEqual(Polyhedron(self.square1 + self.square2), self.sum2) - self.assertEqual(self.universe + self.square1, self.universe) - self.assertEqual(self.empty + self.square1, self.square1) - self.assertEqual(self.universe + self.universe, self.universe) - - 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) - self.assertEqual(self.universe.lexmin(), self.universe) - self.assertEqual(self.empty.lexmin(), Empty) - - def test_lexmax(self): - self.assertEqual(self.square1.lexmax(), self.lexmax) - self.assertEqual(self.universe.lexmax(), self.universe) - self.assertEqual(self.empty.lexmax(), Empty) - - def test_num_parameters(self): - self.assertEqual(self.square1.num_parameters(), 2) - self.assertEqual(self.empty.num_parameters(), 0) - self.assertEqual(self.universe.num_parameters(), 0) - - def test_involves_dims(self): - self.assertTrue(self.square1.involves_dims(symbols('x y'))) - self.assertFalse(self.empty.involves_dims(symbols('x'))) - self.assertFalse(self.universe.involves_dims(symbols('x')))