1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Copyright 2012 Alexandre Terrasa <alexandre@moz-code.org>
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
9 # http://www.apache.org/licenses/LICENSE-2.0
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
37 var d
= new D
[Object, Object]
39 assert a
isa A
[Object] # true
40 assert not a
isa B
[Object] # false
41 assert b
isa A
[Object] # true
42 assert b
isa B
[Object] # true
43 assert not b
isa C
[Object] # false
44 assert c
isa A
[Object] # true
45 assert not c
isa B
[Object] # false
46 assert c
isa C
[Object] # true
47 assert not c
isa D
[Object, Object] # false
48 assert d
isa A
[Object] # true
49 assert d
isa B
[Object] # true
50 assert d
isa C
[Object] # true
51 assert d
isa D
[Object, Object] # false