From e1335a307c859f612d666245bf891436da8fdd86 Mon Sep 17 00:00:00 2001
From: eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 18 Jul 2013 11:38:01 +0000
Subject: * array.c (rb_ary_count): check length to avoid SEGV   while
 iterating. Remove other pointer loop when arg is given. *
 test/ruby/test_array.rb (test_count): add test for bug.   [ruby-core:56072]
 [Bug #8654]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42041 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_array.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index 93ef59a3f5..b158db0ec9 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -572,6 +572,16 @@ class TestArray < Test::Unit::TestCase
     assert_equal(3, a.count {|x| x % 2 == 1 })
     assert_equal(2, a.count(1) {|x| x % 2 == 1 })
     assert_raise(ArgumentError) { a.count(0, 1) }
+
+    bug8654 = '[ruby-core:56072]'
+    assert_in_out_err [], <<-EOS, ["0"], [], bug8654
+      a1 = []
+      a2 = Array.new(100) { |i| i }
+      r = a2.count do |i|
+        p i
+        a2.replace(a1) if i == 0
+      end
+    EOS
   end
 
   def test_delete
-- 
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