From 10bb7ad693e7c7443de924a39c1fedb4461108ba Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Sun, 11 Dec 2016 01:45:38 +0900
Subject: Implement Object#freeze

---
 test/t/array.rb | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'test/t/array.rb')

diff --git a/test/t/array.rb b/test/t/array.rb
index 9cc2f64ad..cf7ed4704 100644
--- a/test/t/array.rb
+++ b/test/t/array.rb
@@ -373,3 +373,10 @@ assert("Array#rindex") do
   $a = [2, 3, 4, 5, 6, 7, 8, 9, 10, Sneaky.new]
   assert_equal 0, $a.rindex(1)
 end
+
+assert('Array#freeze') do
+  a = [].freeze
+  assert_raise(RuntimeError) do
+    a[0] = 1
+  end
+end
-- 
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