nobu	2017-06-18 13:29:05 +0900 (Sun, 18 Jun 2017)

  New Revision: 59111

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=59111

  Log:
    test_string.rb: chomp! frozen string
    
    * test/ruby/test_string.rb (TestString#test_chomp): should raise
      if frozen.

  Modified files:
    trunk/test/ruby/test_string.rb
Index: test/ruby/test_string.rb
===================================================================
--- test/ruby/test_string.rb	(revision 59110)
+++ test/ruby/test_string.rb	(revision 59111)
@@ -441,6 +441,9 @@ CODE https://github.com/ruby/ruby/blob/trunk/test/ruby/test_string.rb#L441
     assert_equal("foo\r", s)
 
     assert_equal(S("a").hash, S("a\u0101").chomp!(S("\u0101")).hash, '[ruby-core:22414]')
+
+    s = S("").freeze
+    assert_raise_with_message(RuntimeError, /frozen/) {s.chomp!}
   ensure
     $/ = save
   end

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