ngoto	2016-07-01 19:43:07 +0900 (Fri, 01 Jul 2016)

  New Revision: 55554

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=55554

  Log:
    * test/fiddle/test_pointer.rb (test_to_str, test_to_s, test_aref_aset):
      Attempt to use independent strings for destructive tests that
      directly modify values on memory by using Fiddle::Pointer.
      [Bug #12537] [ruby-dev:49700]

  Modified files:
    trunk/ChangeLog
    trunk/test/fiddle/test_pointer.rb
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 55553)
+++ ChangeLog	(revision 55554)
@@ -1,3 +1,10 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Fri Jul  1 19:38:57 2016  Naohisa Goto  <ngotogenome@g...>
+
+	* test/fiddle/test_pointer.rb (test_to_str, test_to_s, test_aref_aset):
+	  Attempt to use independent strings for destructive tests that
+	  directly modify values on memory by using Fiddle::Pointer.
+	  [Bug #12537] [ruby-dev:49700]
+
 Fri Jul  1 18:20:00 2016  NARUSE, Yui  <naruse@r...>
 
 	* .gdbinit (rb_ps_thread): show the detail of cfunc in ruby level
Index: test/fiddle/test_pointer.rb
===================================================================
--- test/fiddle/test_pointer.rb	(revision 55553)
+++ test/fiddle/test_pointer.rb	(revision 55554)
@@ -35,7 +35,7 @@ module Fiddle https://github.com/ruby/ruby/blob/trunk/test/fiddle/test_pointer.rb#L35
     end
 
     def test_to_str
-      str = "hello world"
+      str = Marshal.load(Marshal.dump("hello world"))
       ptr = Pointer[str]
 
       assert_equal 3, ptr.to_str(3).length
@@ -46,7 +46,7 @@ module Fiddle https://github.com/ruby/ruby/blob/trunk/test/fiddle/test_pointer.rb#L46
     end
 
     def test_to_s
-      str = "hello world"
+      str = Marshal.load(Marshal.dump("hello world"))
       ptr = Pointer[str]
 
       assert_equal 3, ptr.to_s(3).length
@@ -202,7 +202,7 @@ module Fiddle https://github.com/ruby/ruby/blob/trunk/test/fiddle/test_pointer.rb#L202
         assert_equal(str[0].ord, ptr[0])
         assert_equal(str[1].ord, ptr[1])
       }
-      str = 'abc'
+      str = Marshal.load(Marshal.dump('abc'))
       ptr = Pointer[str]
       check.call(str, ptr)
 

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