tests: add base_adaptive_loop*.nit

[nit.git] / tests / base_adaptive_loop3.nit

diff --git a/tests/base_adaptive_loop3.nit b/tests/base_adaptive_loop3.nit
new file mode 100644 (file)
index 0000000..33f4c8d
--- /dev/null
+++ b/tests/base_adaptive_loop3.nit
@@ -0,0 +1,30 @@
+# 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 standard::kernel
+
+redef class Int
+       fun next: nullable Int do if self < 20 then return self + 1 else return null
+end
+
+var t2: nullable Int = 10
+t2.output
+while t2 != null do
+       t2 = t2.next #alt1# t2 = null
+       while t2 != null do
+               t2.output
+               t2 = t2.next #alt2# t2 = null
+       end
+       #alt3#t2 = t2.next
+end