public void TestSingletonRange()
{
var set = new CharacterSet(new[] { 'y' });
Assert.False(set.Contains('x'));
Assert.True(set.Contains('y'));
Assert.False(set.Contains('z'));
}
public void TestProperRange()
{
var set = new CharacterSet(Enumerable.Range(0, 20).Select(x => (char)('b' + x)));
Assert.False(set.Contains('a'));
Assert.True(set.Contains('b'));
Assert.True(set.Contains((char)('b' + 19)));
Assert.False(set.Contains((char)('b' + 20)));
}
public void TestEmpty()
{
var set = new CharacterSet(new char[0]);
Assert.False(set.Contains(' '));
Assert.False(set.Contains('\x0'));
Assert.False(set.Contains('\x9f93'));
Assert.False(set.Contains('ä'));
}
public void TestTwoProperRanges()
{
var set = new CharacterSet(Enumerable.Range(0, 3).Select(x => (char)('b' + x)).Union(
Enumerable.Range(0, 5).Select(x => (char)('2' + x))));
Assert.False(set.Contains('a'));
Assert.True(set.Contains('b'));
Assert.True(set.Contains('c'));
Assert.True(set.Contains('d'));
Assert.False(set.Contains('e'));
Assert.False(set.Contains('1'));
Assert.True(set.Contains('2'));
Assert.True(set.Contains('6'));
Assert.False(set.Contains('7'));
}
public void TestProperAndSingletonRanges()
{
var set = new CharacterSet(Enumerable.Range(0, 3).Select(x => (char)('b' + x)).Union(
new[] { '5' }));
Assert.False(set.Contains('a'));
Assert.True(set.Contains('b'));
Assert.True(set.Contains('c'));
Assert.True(set.Contains('d'));
Assert.False(set.Contains('e'));
Assert.False(set.Contains('4'));
Assert.True(set.Contains('5'));
Assert.False(set.Contains('6'));
}