class Test

	def main is shared
		c = c'A'
		assert c.isUpper
		assert not c.isLower
		c = c'a'
		assert not c.isUpper
		assert c.isLower
		c = c.toUpper
		assert c.isUpper
		assert not c.isLower

		assert char.isLetter('aoeu', 2)

		d = 5.24
		assert d.negate == -5.24
		assert d.round == 5.0
		assert d.round(1) == 5.2

		d = decimal.parse('5.0', System.Globalization.CultureInfo.invariantCulture)
		assert d == 5.0
		d = 3.0
		assert d.pow(4.5).round(3) == 140.296
		d = 4.5
		assert d.sqrt.round(3) == 2.121

		f = 3.5f
		assert f.sin.round(2) == -0.35f

		assert 5.getType.name.toLower.startsWith('int')

		assert 3.compareTo(5) < 0