1 files changed, 14 insertions, 0 deletions
diff --git a/mrbgems/mruby-random/test/random.rb b/mrbgems/mruby-random/test/random.rb
index 01d231d5c..b35acaafd 100644
--- a/mrbgems/mruby-random/test/random.rb
+++ b/mrbgems/mruby-random/test/random.rb
@@ -30,3 +30,17 @@ end
 assert("float") do
   rand.class == Float
 end
+
+assert("Array#shuffle") do 
+  ary = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+  shuffled = ary.shuffle
+  
+  ary == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] and shuffled != ary and 10.times { |x| ary.include? x }
+end
+
+assert('Array#shuffle!') do
+  ary = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+  ary.shuffle!
+  
+  ary != [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] and 10.times { |x| ary.include? x }
+end
+\ No newline at end of file