class Test

	def main
		.testA
		.testB(1, 2, 3)
		.testC('a', 'b')
	
	def testA
		assert 'foo' in 'foobar'
		assert 'foo' in 'barfoo'
		assert 'of' not in 'foobar'
		c as char = c'c'
		assert c in 'abc'

	def testB(values as vari int)
		assert 0 not in values
		assert 1 in values
		assert 2 in values
		assert 3 in values
		assert 4 not in values

	def testC(values as vari String)
		assert 'a' in values
		assert 'b' in values
		assert 'c' not in values
		print 'done'