time.c: check re-initialize

* time.c (GetTimeval): check if already initialized instance.
* time.c (GetNewTimeval): check if newly created instance.
* time.c (time_init_0, time_init_1, time_init_copy, time_mload): must
  be newly created instance.  [ruby-core:53436] [Bug #8099]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39766 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/test/ruby/test_time.rb b/test/ruby/test_time.rb
index ca2b638e2d..15b6ae5bef 100644
--- a/test/ruby/test_time.rb
+++ b/test/ruby/test_time.rb
@@ -408,6 +408,15 @@ class TestTime < Test::Unit::TestCase
     assert_kind_of(Integer, t2000.hash)
   end
 
+  def test_reinitialize
+    bug8099 = '[ruby-core:53436] [Bug #8099]'
+    t2000 = get_t2000
+    assert_raise(TypeError, bug8099) {
+      t2000.send(:initialize, 2013, 03, 14)
+    }
+    assert_equal(get_t2000, t2000, bug8099)
+  end
+
   def test_init_copy
     t2000 = get_t2000
     assert_equal(t2000, t2000.dup)