* time.c (time_add): propagate fixed time offset.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26670 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/test/ruby/test_time.rb b/test/ruby/test_time.rb
index 73afed3902..c583b4e873 100644
--- a/test/ruby/test_time.rb
+++ b/test/ruby/test_time.rb
@@ -27,6 +27,16 @@ class TestTime < Test::Unit::TestCase
     assert_equal(Time.utc(2000, 3, 21, 3, 30) + (-3 * 3600),
                  Time.utc(2000, 3, 21, 0, 30))
     assert_equal(0, (Time.at(1.1) + 0.9).usec)
+
+    assert((Time.utc(2000, 4, 1) + 24).utc?)
+    assert(!(Time.local(2000, 4, 1) + 24).utc?)
+
+    t = Time.new(2000, 4, 1, 0, 0, 0, "+01:00") + 24
+    assert(!t.utc?)
+    assert_equal(3600, t.utc_offset)
+    t = Time.new(2000, 4, 1, 0, 0, 0, "+02:00") + 24
+    assert(!t.utc?)
+    assert_equal(7200, t.utc_offset)
   end
 
   def test_time_subt()