typing: do not crash on inherited invalid signature

[nit.git] / tests / error_signature.nit

diff --git a/tests/error_signature.nit b/tests/error_signature.nit
new file mode 100644 (file)
index 0000000..7da246a
--- /dev/null
+++ b/tests/error_signature.nit
@@ -0,0 +1,29 @@
+# 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
+       fun foo: Fail do return 1
+end
+
+class B
+       super A
+       redef fun foo do return 2
+end
+
+class C
+       super A
+       redef fun foo: Int do return 3
+end