add tests for [ruby-dev:31189] and [ruby-dev:31190].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12746 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/test/ruby/test_fixnum.rb b/test/ruby/test_fixnum.rb
index 57999d4b03..4cf73fb4c8 100644
--- a/test/ruby/test_fixnum.rb
+++ b/test/ruby/test_fixnum.rb
@@ -23,4 +23,14 @@ class TestFixnum < Test::Unit::TestCase
       end
     end
   end
+
+  def test_succ
+    assert_equal(0x40000000, 0x3fffffff.succ, "[ruby-dev:31189]")
+    assert_equal(0x4000000000000000, 0x3fffffffffffffff.succ, "[ruby-dev:31190]")
+  end
+
+  def test_plus
+    assert_equal(0x4000000000000000, 0x3fffffffffffffff+1)
+  end
+
 end