--- /dev/null
+# 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 base_arg_default
+
+var a = new A
+a.foo(a=1,b=2,3,4,e=5,f=6)
+a.foo(f=6,3,e=5,b=2,4,a=1)
+a.foo(3,e=5,b=2,4)
+
+a.bar
+
+a.bar(a=1)
+a.bar(2,a=1)
+a.bar(2,a=1,3)
+a.bar(b=2)
+a.bar(1,b=2)
+a.bar(1,b=2,3)
+a.bar(c=3)
+a.bar(1,c=3)
+a.bar(1,c=3,2)
+
+a.bar(a=1,b=2)
+a.bar(a=1,3,b=2)
+a.bar(a=1,c=3)
+a.bar(a=1,2,c=3)
+a.bar(b=2,c=3)
+a.bar(b=2,1,c=3)
+
+a.bar(b=2,a=1,c=3)
+
+#alt1#a.bar(2,a=1,3, 4)
+#alt1#a.bar(fail=1)
+#alt1#a.bar(a=1,a=1)
+#alt1#a.foo(c=1,d=1)
--- /dev/null
+# 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 base_arg_default
+import standard::collection::array
+
+fun order(i: Int): Int do
+ '>'.output
+ i.output
+ return i
+end
+
+fun bar(a: Int, bs: Int..., c: Int)
+do
+ a.output
+ for b in bs do
+ ' '.output
+ b.output
+ end
+ c.output
+end
+
+var a = new A
+a.foo(order(1),order(2),order(3),order(4),order(5),order(6))
+a.foo(a=order(1),b=order(2),order(3),order(4),e=order(5),f=order(6))
+a.foo(f=order(6),order(3),e=order(5),b=order(2),order(4),a=order(1))
+a.foo(order(3),e=order(5),b=order(2),order(4))
+a.foo(order(3),order(4))
+
+bar(order(1),order(2),order(3))
+bar(order(1),order(2),order(3),order(4))
--- /dev/null
+alt/base_arg_named_alt1.nit:43,3--5: Error: expected at most 3 argument(s) for `bar(a: nullable Int, b: nullable Int, c: nullable Int)`; got 4. See introduction at `base_arg_default::A::bar`.
+alt/base_arg_named_alt1.nit:44,7--10: Error: no parameter `fail` for `bar(a: nullable Int, b: nullable Int, c: nullable Int)`.
+alt/base_arg_named_alt1.nit:45,11--13: Error: parameter `a` already associated with argument #0 for `bar(a: nullable Int, b: nullable Int, c: nullable Int)`.
+alt/base_arg_named_alt1.nit:46,7--9: Error: parameter `c` is not optional for `foo(a: nullable Int, b: nullable Int, c: Int, d: Int, e: nullable Int, f: nullable Int)`.