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# Licensed under the Apache License, Version 2.0 (the "License");
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#
#     http://www.apache.org/licenses/LICENSE-2.0
#
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# Verification if it's possible to define a simple expects contract.

class MyClass
	fun foo(x: Int)
	is
		expect(x > 0)
	do
		if x <= 0 then print "FAIL"
	end
end

class MyClass2
	fun foo(bool: Bool)
	is
		expect(not bool)
	do
		if bool then print "FAIL"
	end
end

var first = new MyClass
first.foo(1) # OK
var second = new MyClass2
second.foo(false) # OK