public void ChooseTest()
{
for (int i = 0; i < 10; i++)
{
CharSetSolver solver = new CharSetSolver(BitWidth.BV16);
BDD set1 = solver.MkRangeConstraint('a', 'c', true);
string set1str = solver.PrettyPrint(set1);
BDD set2 = solver.MkRangeConstraint('a', 'c');
string set2str = solver.PrettyPrint(set2);
BDD set3 = solver.MkRangeConstraint('A', 'C');
string set3str = solver.PrettyPrint(set3);
BDD set1a = solver.MkOr(set2, set3);
Assert.AreEqual <string>("[A-Ca-c]", set1str);
Assert.AreEqual <string>("[a-c]", set2str);
Assert.AreEqual <string>("[A-C]", set3str);
int h1 = set1.GetHashCode();
int h2 = set1a.GetHashCode();
bool same = (h1 == h2);
Assert.AreSame(set1, set1a);
Assert.IsTrue(same);
Assert.IsTrue(solver.AreEquivalent(set1, set1a));
//int seed = solver.Chooser.RandomSeed;
char choice1 = (char)solver.Choose(set1);
char choice2 = (char)solver.Choose(set1);
char choice3 = (char)solver.Choose(set1);
char choice4 = (char)solver.Choose(set1);
//solver.Chooser.RandomSeed = seed;
//char choice1a = solver.Choose(set1a);
//char choice2a = solver.Choose(set1a);
//char choice3a = solver.Choose(set1a);
//char choice4a = solver.Choose(set1a);
//string s = new String(new char[] { choice1, choice2, choice3, choice4 });
//string sa = new String(new char[] { choice1a, choice2a, choice3a, choice4a });
//Assert.AreEqual<string>(s, sa);
}
}