1 files changed, 17 insertions, 0 deletions
diff --git a/mrbgems/mruby-array-ext/test/array.rb b/mrbgems/mruby-array-ext/test/array.rb
index 8c919f7e0..f17cb80e1 100644
--- a/mrbgems/mruby-array-ext/test/array.rb
+++ b/mrbgems/mruby-array-ext/test/array.rb
@@ -1,6 +1,13 @@
 ##
 # Array(Ext) Test
 
+assert("Array.try_convert") do
+  assert_nil Array.try_convert(0)
+  assert_nil Array.try_convert(nil)
+  assert_equal [], Array.try_convert([])
+  assert_equal [1,2,3], Array.try_convert([1,2,3])
+end
+
 assert("Array#assoc") do
   s1 = [ "colors", "red", "blue", "green" ]
   s2 = [ "letters", "a", "b", "c" ]
@@ -293,3 +300,13 @@ assert('Array#to_h') do
   assert_raise(TypeError)     { [1].to_h }
   assert_raise(ArgumentError) { [[1]].to_h }
 end
+
+assert("Array#index (block)") do
+  assert_nil (1..10).to_a.index { |i| i % 5 == 0 and i % 7 == 0 }
+  assert_equal 34, (1..100).to_a.index { |i| i % 5 == 0 and i % 7 == 0 }
+end
+
+assert("Array#to_ary") do
+  assert_equal [], [].to_ary
+  assert_equal [1,2,3], [1,2,3].to_ary
+end