public static void TestRangeToString()
{
int?value1 = 1;
int?empty = null;
var key = "Hello!";
AreEqual(Range <int> .Empty.ToString(CultureInfo.InvariantCulture), "∅");
AreEqual(Range <int> .Infinite.ToString(CultureInfo.InvariantCulture), "(-∞..+∞)");
AreEqual(Range.Create(1, 1).ToString(CultureInfo.InvariantCulture), "[1..1]");
AreEqual(Range.TryCreate(1, 1).ToString(CultureInfo.InvariantCulture), "[1..1]");
AreEqual(Range.Create(1, 2).ToString(CultureInfo.InvariantCulture), "[1..2]");
AreEqual(Range.TryCreate(1, 2).ToString(CultureInfo.InvariantCulture), "[1..2]");
AreEqual(Range.CreateExclusive(1, 2).ToString(CultureInfo.InvariantCulture), "(1..2)");
AreEqual(Range.TryCreateExclusive(1, 2).ToString(CultureInfo.InvariantCulture), "(1..2)");
AreEqual(Range.CreateExclusiveFrom(1, 2).ToString(CultureInfo.InvariantCulture), "(1..2]");
AreEqual(Range.TryCreateExclusiveFrom(1, 2).ToString(CultureInfo.InvariantCulture), "(1..2]");
AreEqual(Range.CreateExclusiveTo(1, 2).ToString(CultureInfo.InvariantCulture), "[1..2)");
AreEqual(Range.TryCreateExclusiveTo(1, 2).ToString(CultureInfo.InvariantCulture), "[1..2)");
AreEqual(Range.CreateExclusive(value1, empty).ToString("000", CultureInfo.InvariantCulture), "(001..+∞)");
AreEqual(Range.TryCreateExclusive(value1, empty).ToString("000", CultureInfo.InvariantCulture), "(001..+∞)");
AreEqual(Range.Create(RangeBoundaryFrom <int?> .Empty, RangeBoundaryTo <int?> .Empty, key).ToString(CultureInfo.InvariantCulture), "'Hello!':∅");
AreEqual(Range.TryCreate(RangeBoundaryFrom <int?> .Empty, RangeBoundaryTo <int?> .Empty, key).ToString(CultureInfo.InvariantCulture), "'Hello!':∅");
AreEqual(Range.Create(empty, empty, key).ToString(CultureInfo.InvariantCulture), "'Hello!':(-∞..+∞)");
AreEqual(Range.TryCreate(empty, empty, key).ToString(CultureInfo.InvariantCulture), "'Hello!':(-∞..+∞)");
AreEqual(Range.Create(empty, empty, (string?)null).ToString(CultureInfo.InvariantCulture), "'':(-∞..+∞)");
AreEqual(Range.TryCreate(empty, empty, (string?)null).ToString(CultureInfo.InvariantCulture), "'':(-∞..+∞)");
AreEqual(Range.Create(1, 1, key).ToString(CultureInfo.InvariantCulture), "'Hello!':[1..1]");
AreEqual(Range.TryCreate(1, 1, key).ToString(CultureInfo.InvariantCulture), "'Hello!':[1..1]");
AreEqual(Range.Create(1, 2, key).ToString(CultureInfo.InvariantCulture), "'Hello!':[1..2]");
AreEqual(Range.TryCreate(1, 2, key).ToString(CultureInfo.InvariantCulture), "'Hello!':[1..2]");
AreEqual(Range.CreateExclusive(1, 2, key).ToString(CultureInfo.InvariantCulture), "'Hello!':(1..2)");
AreEqual(Range.TryCreateExclusive(1, 2, key).ToString(CultureInfo.InvariantCulture), "'Hello!':(1..2)");
AreEqual(Range.CreateExclusiveFrom(1, 2, key).ToString(CultureInfo.InvariantCulture), "'Hello!':(1..2]");
AreEqual(Range.TryCreateExclusiveFrom(1, 2, key).ToString(CultureInfo.InvariantCulture), "'Hello!':(1..2]");
AreEqual(Range.CreateExclusiveTo(1, 2, key).ToString(CultureInfo.InvariantCulture), "'Hello!':[1..2)");
AreEqual(Range.TryCreateExclusiveTo(1, 2, key).ToString(CultureInfo.InvariantCulture), "'Hello!':[1..2)");
AreEqual(Range.CreateExclusive(value1, empty, 3).ToString("000", CultureInfo.InvariantCulture), "'3':(001..+∞)");
AreEqual(Range.TryCreateExclusive(value1, empty, 3).ToString("000", CultureInfo.InvariantCulture), "'3':(001..+∞)");
AreEqual(Range.Create((int?)1, null, key).ToString(CultureInfo.InvariantCulture), "'Hello!':[1..+∞)");
AreEqual(Range.TryCreate((int?)1, null, key).ToString(CultureInfo.InvariantCulture), "'Hello!':[1..+∞)");
var cultureRu = new CultureInfo("ru-RU");
var cultureEn = new CultureInfo("en-US");
AreEqual(Range.Create(1.5, 2.5, 1.1).ToString("000.000", cultureRu), "'1,1':[001,500..002,500]");
AreEqual(Range.TryCreate(1.5, 2.5, 1.1).ToString("000.000", cultureRu), "'1,1':[001,500..002,500]");
AreEqual(Range.Create(1.5, 2.5, 1.1).ToString("000.000", cultureEn), "'1.1':[001.500..002.500]");
AreEqual(Range.TryCreate(1.5, 2.5, 1.1).ToString("000.000", cultureEn), "'1.1':[001.500..002.500]");
AreEqual(Range.Create(1.5, 2.5, (string?)null).ToString(null, cultureRu), "'':[1,5..2,5]");
AreEqual(Range.TryCreate(1.5, 2.5, (string?)null).ToString(null, cultureRu), "'':[1,5..2,5]");
AreEqual(Range.Create(1.5, 2.5, (string?)null).ToString(null, cultureEn), "'':[1.5..2.5]");
AreEqual(Range.TryCreate(1.5, 2.5, (string?)null).ToString(null, cultureEn), "'':[1.5..2.5]");
}
