From bb4ebaa858c3c73888ffb4639f6854b78955f9ed Mon Sep 17 00:00:00 2001
From: Jeremy Kemper <jeremy@bitsweat.net>
Date: Mon, 15 Oct 2007 07:11:25 +0000
Subject: object.duplicable? returns true if object.dup is safe. False for nil,
 true, false, symbols, and numbers; true otherwise. References #9333.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7906 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 activesupport/test/core_ext/duplicable_test.rb | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 activesupport/test/core_ext/duplicable_test.rb

(limited to 'activesupport/test/core_ext/duplicable_test.rb')

diff --git a/activesupport/test/core_ext/duplicable_test.rb b/activesupport/test/core_ext/duplicable_test.rb
new file mode 100644
index 0000000000..7f8c0f7d3b
--- /dev/null
+++ b/activesupport/test/core_ext/duplicable_test.rb
@@ -0,0 +1,22 @@
+require File.dirname(__FILE__) + '/../abstract_unit'
+
+class DuplicableTest < Test::Unit::TestCase
+  NO  = [nil, false, true, :symbol, 1, 2.3, BigDecimal.new('4.56')]
+  YES = ['1', Object.new, /foo/, [], {}]
+
+  def test_duplicable
+    NO.each do |v|
+      assert !v.duplicable?
+      begin
+        v.dup
+        fail
+      rescue Exception
+      end
+    end
+
+    YES.each do |v|
+      assert v.duplicable?
+      assert_nothing_raised { v.dup }
+    end
+  end
+end
-- 
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