tests: add base_attr_optional.nit

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/tests/base_attr_optional.nit b/tests/base_attr_optional.nit
new file mode 100644 (file)
index 0000000..4417afe
--- /dev/null
+++ b/tests/base_attr_optional.nit
@@ -0,0 +1,43 @@
+# 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.
+
+import kernel
+
+class A
+       var i: Int = 99 is optional
+
+       var o: Object = 999 is optional
+end
+
+var a = new A
+a.i.output
+a.o.output
+
+a.i = 1
+a.o = 10
+a.i.output
+a.o.output
+
+a.i = null
+a.o = null
+a.i.output
+a.o.output
+
+a = new A(2)
+a.i.output
+a.o.output
+
+a = new A(3, true)
+a.i.output
+a.o.output

diff --git a/tests/sav/base_attr_optional.res b/tests/sav/base_attr_optional.res
new file mode 100644 (file)
index 0000000..c879e94
--- /dev/null
+++ b/tests/sav/base_attr_optional.res
@@ -0,0 +1,10 @@
+99
+999
+1
+10
+99
+999
+2
+999
+3
+true