knu	2013-07-29 21:20:19 +0900 (Mon, 29 Jul 2013)

  New Revision: 42236

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=42236

  Log:
    Add a frozenness check test for Enumerator::Lazy#initialize.
    
    * test/ruby/test_lazy_enumerator.rb
      (TestLazyEnumerator#test_initialize): Make sure
      Enumerator::Lazy#initialize raises error if the object is
      frozen.  The check was performed by rb_ivar_set() before
      rb_check_frozen() was added to enumerator_init().

  Modified files:
    trunk/ChangeLog
    trunk/test/ruby/test_lazy_enumerator.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 42235)
+++ ChangeLog	(revision 42236)
@@ -1,3 +1,11 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Mon Jul 29 21:15:30 2013  Akinori MUSHA  <knu@i...>
+
+	* test/ruby/test_lazy_enumerator.rb
+	  (TestLazyEnumerator#test_initialize): Make sure
+	  Enumerator::Lazy#initialize raises error if the object is
+	  frozen.  The check was performed by rb_ivar_set() before
+	  rb_check_frozen() was added to enumerator_init().
+
 Mon Jul 29 21:06:42 2013  Akinori MUSHA  <knu@i...>
 
 	* enumerator.c (enumerator_init): Add a frozenness check to
Index: test/ruby/test_lazy_enumerator.rb
===================================================================
--- test/ruby/test_lazy_enumerator.rb	(revision 42235)
+++ test/ruby/test_lazy_enumerator.rb	(revision 42236)
@@ -22,6 +22,12 @@ class TestLazyEnumerator < Test::Unit::T https://github.com/ruby/ruby/blob/trunk/test/ruby/test_lazy_enumerator.rb#L22
     assert_equal([1, 2, 3], [1, 2, 3].lazy.to_a)
     assert_equal([1, 2, 3], Enumerator::Lazy.new([1, 2, 3]){|y, v| y << v}.to_a)
     assert_raise(ArgumentError) { Enumerator::Lazy.new([1, 2, 3]) }
+
+    a = [1, 2, 3].lazy
+    a.freeze
+    assert_raise(RuntimeError) {
+      a.__send__ :initialize, [4, 5], &->(y, *v) { y << yield(*v) }
+    }
   end
 
   def test_each_args

--
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