nobu	2013-12-14 13:17:06 +0900 (Sat, 14 Dec 2013)

  New Revision: 44201

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=44201

  Log:
    Additional test coverage to Enumerator#peek.

  Modified files:
    trunk/test/ruby/test_enumerator.rb
Index: test/ruby/test_enumerator.rb
===================================================================
--- test/ruby/test_enumerator.rb	(revision 44200)
+++ test/ruby/test_enumerator.rb	(revision 44201)
@@ -616,5 +616,14 @@ class TestEnumerator < Test::Unit::TestC https://github.com/ruby/ruby/blob/trunk/test/ruby/test_enumerator.rb#L616
     assert_equal 5, 'hello'.each_char.size
     assert_equal 5, 'hello'.each_codepoint.size
   end
+
+  def test_peek_for_enumerator_objects
+    e = 2.times
+    assert_equal(0, e.peek)
+    e.next
+    assert_equal(1, e.peek)
+    e.next
+    assert_raise(StopIteration) { e.peek }
+  end
 end
 

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