tests: Added tests for char_at method on borderline cases

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>

diff --git a/tests/sav/test_unicode_4bytes.res b/tests/sav/test_unicode_4bytes.res
new file mode 100644 (file)
index 0000000..614d068
--- /dev/null
+++ b/tests/sav/test_unicode_4bytes.res
@@ -0,0 +1,2 @@
+103d3
+10ffff

diff --git a/tests/test_unicode_4bytes.nit b/tests/test_unicode_4bytes.nit
new file mode 100644 (file)
index 0000000..d069253
--- /dev/null
+++ b/tests/test_unicode_4bytes.nit
@@ -0,0 +1,20 @@
+# 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.
+
+intrude import standard::text::flat
+import standard
+
+var s = "𐏓􏿿".as(FlatString)
+print s.items.char_at(0).ascii.to_hex
+print s.items.char_at(4).ascii.to_hex