1 files changed, 10 insertions, 0 deletions
diff --git a/mrbgems/mruby-numeric-ext/test/numeric.rb b/mrbgems/mruby-numeric-ext/test/numeric.rb
new file mode 100644
index 000000000..6c1cf0fce
--- /dev/null
+++ b/mrbgems/mruby-numeric-ext/test/numeric.rb
@@ -0,0 +1,10 @@
+##
+# Numeric(Ext) Test
+
+assert('Integer#chr') do
+  assert_equal(65.chr, "A")
+  assert_equal(0x42.chr, "B")
+
+  # multibyte encoding (not support yet)
+  assert_raise(RangeError) { 12345.chr }
+end