# This file is part of NIT ( http://www.nitlanguage.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.

# Check if the adding expects contract in a redefinition on an existing method return a warning

class MyClass
	fun foo(x: Int)
	do
		print "Good"
	end
end

class SubClass
	super MyClass

	redef fun foo(x: Int)
	is
		expect(x == 0)
	do
		if x != 0 then print "Good"
	end
end

class SubSubClass
	super SubClass

	redef fun foo(x: Int)
	do
		if x != 0 then print "Good"
	end
end

var first = new MyClass
first.foo(1) # OK
var sub = new SubClass
sub.foo(0) # OK
var subsub = new SubSubClass
subsub.foo(1) # Ok