public void ParsingAndPrinting()
{
IntSet empty = IntSet.Empty, all = IntSet.All;
PrintAndParse(empty, "()");
empty.IsCharSet = true;
PrintAndParse(empty, "[]");
empty.IsCharSet = false; // design flaw here - mutable property on readonly static field
PrintAndParse(all, "~()");
all.IsCharSet = true;
PrintAndParse(all, "[^]");
all.IsCharSet = false; // design flaw here - mutable property on readonly static field
AreEqual(IntSet.WithCharRanges('a', 'd'), IntSet.Parse("[dacb]"));
AreEqual(IntSet.With(1234), IntSet.Parse("(1234)"));
AreEqual(IntSet.With(0x1234, '!'), IntSet.Parse("[\u1234!]"));
AreEqual(IntSet.With(0x12, '!'), IntSet.Parse("[\x12!]"));
IsNull(IntSet.TryParse("(12345678901)"));
PrintAndParse(IntSet.WithCharRanges('a', 'd'), "[a-d]");
PrintAndParse(IntSet.WithChars('$', '-', '[', ']'), @"[$\-[\]]");
PrintAndParse(IntSet.WithoutCharRanges(-1, -1, '\n', '\n', '0', '9', '^', '^'), @"[^\$\n0-9^]");
PrintAndParse(IntSet.With(2, 3, 5, 7, 11), "(2..3, 5, 7, 11)");
PrintAndParse(IntSet.WithRanges(int.MinValue, 0), string.Format("({0}..0)", int.MinValue));
PrintAndParse(IntSet.WithoutRanges(1, int.MaxValue), string.Format("~(1..{0})", int.MaxValue));
// See the error? That's really a single backslash; to add backslash to
// the set we need another backslash.
int errorIndex;
var set = IntSet.TryParse("[^\n\\]", out errorIndex);
AreEqual(errorIndex, 4);
AreEqual(IntSet.WithoutChars('\n', '\\'), IntSet.Parse("[^\n\\\\]"));
}
public void BasicTests()
{
var ac = IntSet.WithCharRanges('A', 'C', '$', '$');
AreEqual(ac, IntSet.With('$', '$', 'A', 'B', 'C'));
var ad = IntSet.WithCharRanges('A', 'D');
AreNotEqual(ad, IntSet.WithChars('A', 'B', 'C'));
IsTrue(ac.Contains('$') && !ad.Contains('$'));
IsTrue(ac.Contains('A') && ad.Contains('A'));
IsTrue(ac.Contains('C') && ad.Contains('C'));
IsTrue(!ac.Contains('D') && ad.Contains('D'));
var ad2 = ac.Union(ad);
IsTrue(ad2.Contains('$') && ad2.Contains('D'));
CheckRanges(ad2, new IntRange('$'), new IntRange('A', 'D'));
var ac2 = ac.Intersection(ad);
CheckRanges(ac2, new IntRange('A', 'C'));
CheckRanges(ac.Union(IntSet.With('@')), new IntRange('$'), new IntRange('@', 'C'));
}
