2 files changed, 20 insertions, 0 deletions
diff --git a/mrbgems/mruby-object-ext/test/nil.rb b/mrbgems/mruby-object-ext/test/nil.rb
new file mode 100644
index 000000000..e385dec6a
--- /dev/null
+++ b/mrbgems/mruby-object-ext/test/nil.rb
@@ -0,0 +1,11 @@
+assert('NilClass#to_a') do
+  assert_equal nil.to_a, []
+end
+
+assert('NilClass#to_f') do
+  assert_equal nil.to_f, 0.0
+end
+
+assert('NilClass#to_i') do
+  assert_equal nil.to_i, 0
+end
diff --git a/mrbgems/mruby-object-ext/test/object.rb b/mrbgems/mruby-object-ext/test/object.rb
new file mode 100644
index 000000000..1a75622f6
--- /dev/null
+++ b/mrbgems/mruby-object-ext/test/object.rb
@@ -0,0 +1,9 @@
+assert('Object#instance_exec') do
+  class KlassWithSecret
+    def initialize
+      @secret = 99
+    end
+  end
+  k = KlassWithSecret.new
+  assert_equal k.instance_exec(5) {|x| @secret+x }, 104
+end