# This file is part of NIT ( http://www.nitlanguage.org ).
#
# Copyright 2009 Jean Privat <jean@pryen.org>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import kernel

class A
	fun foo do 1.output
end

class B
	super A
	fun bar do 2.output
end

fun test1(a: A)
do
	assert a isa B else
		false.output
		a.foo
		#alt1#a.bar
	end
	true.output
	a.foo
	a.bar
	'\n'.output
end

fun test2(a: A)
do
	assert not a isa B else
		false.output
		a.foo
		a.bar
	end
	true.output
	a.foo
	#alt2#a.bar
	'\n'.output
end

#alt3#test1(new A)
test2(new A)
test1(new B)
#alt4#test2(new B)
1.output