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.
20 type T
: nullable Object
22 fun foo
(o
: Object): Bool do
38 assert a
.foo
(new A
[Object])
41 assert not b
.foo
(new A
[Object])
42 assert b
.foo
(new B
[Object])
43 assert b
.foo
(new C
[Object])
46 assert not c
.foo
(new A
[Object])
47 assert not c
.foo
(new B
[Object])
48 assert c
.foo
(new C
[Object])
49 assert c
.foo
(new C
[B
[Object]])
50 assert c
.foo
(new C
[B
[Bool]])