X-Git-Url: https://scm.cri.ensmp.fr/git/linpy.git/blobdiff_plain/7941e9e70af9f90f2fce0fd3ea694fc0b422f583..90d7f21ee1486524f499f66ef546a24331b2009c:/pypol/tests/test_domains.py?ds=inline diff --git a/pypol/tests/test_domains.py b/pypol/tests/test_domains.py index 555c331..df7b01c 100644 --- a/pypol/tests/test_domains.py +++ b/pypol/tests/test_domains.py @@ -1,7 +1,7 @@ import unittest from ..domains import * -from ..linexprs import symbols +from ..linexprs import Symbol, symbols from ..polyhedra import * @@ -19,8 +19,9 @@ class TestDomain(unittest.TestCase): 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))) @@ -55,45 +56,71 @@ class TestDomain(unittest.TestCase): self.assertFalse(self.square1 == self.square2) def test_isdisjoint(self): - self.assertFalse(self.square1.isdisjoint(self.square2)) + 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_compliment(self): - self.assertEqual(~self.square1, self.compliment) + def test_complement(self): + self.assertEqual(~self.square1, self.complement) + self.assertEqual(~self.universe, Empty) + self.assertEqual(~self.empty, self.universe) def test_polyhedral_hull(self): self.assertEqual(self.square1.polyhedral_hull(), self.hull) + self.assertEqual(self.universe.polyhedral_hull(), self.universe) + self.assertEqual(self.empty.polyhedral_hull(), self.empty) + + 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) - @unittest.expectedFailure 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(), self.sample) 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.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) @@ -101,6 +128,9 @@ class TestDomain(unittest.TestCase): 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) @@ -110,6 +140,10 @@ class TestDomain(unittest.TestCase): 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)