nobu	2016-06-18 13:40:15 +0900 (Sat, 18 Jun 2016)

  New Revision: 55439

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=55439

  Log:
    Refine test of r55432
    
    * test/stringio/test_stringio.rb (test_overflow): refine the
      conditinon, try to allocate strings until the buffer is located
      in higher half address.

  Modified files:
    trunk/test/stringio/test_stringio.rb
Index: test/stringio/test_stringio.rb
===================================================================
--- test/stringio/test_stringio.rb	(revision 55438)
+++ test/stringio/test_stringio.rb	(revision 55439)
@@ -686,7 +686,13 @@ class TestStringIO < Test::Unit::TestCas https://github.com/ruby/ruby/blob/trunk/test/stringio/test_stringio.rb#L686
     assert_separately(%w[-rstringio], "#{<<-"begin;"}\n#{<<-"end;"}")
     begin;
       limit = #{limit}
-      x = ("a"*0x100000)
+      ary = []
+      while true
+        x = "a"*0x100000
+        break if [x].pack("p").unpack("i!")[0] < 0
+        ary << x
+        skip if ary.size > 1000
+      end
       s = StringIO.new(x)
       s.gets("xxx", limit)
       assert_equal(0x100000, s.pos)

--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/