Port r63054,r63055,r63056 for Kiritimati tzdata fix

Author: sorah

test/ruby/test_time_tz.rb

@@ -91,6 +91,9 @@ def group_by(e, &block)
       end
     end
   }
+  CORRECT_KIRITIMATI_SKIP_1994 = with_tz("Pacific/Kiritimati") {
+    Time.local(1994, 12, 31, 0, 0, 0).year == 1995
+  }
 
   def time_to_s(t)
     t.to_s
@@ -180,9 +183,17 @@ def test_europe_lisbon
 
   def test_pacific_kiritimati
     with_tz(tz="Pacific/Kiritimati") {
-      assert_time_constructor(tz, "1994-12-31 23:59:59 -1000", :local, [1994,12,31,23,59,59])
-      assert_time_constructor(tz, "1995-01-02 00:00:00 +1400", :local, [1995,1,1,0,0,0])
-      assert_time_constructor(tz, "1995-01-02 23:59:59 +1400", :local, [1995,1,1,23,59,59])
+      assert_time_constructor(tz, "1994-12-30 00:00:00 -1000", :local, [1994,12,30,0,0,0])
+      assert_time_constructor(tz, "1994-12-30 23:59:59 -1000", :local, [1994,12,30,23,59,59])
+      if CORRECT_KIRITIMATI_SKIP_1994
+        assert_time_constructor(tz, "1995-01-01 00:00:00 +1400", :local, [1994,12,31,0,0,0])
+        assert_time_constructor(tz, "1995-01-01 23:59:59 +1400", :local, [1994,12,31,23,59,59])
+        assert_time_constructor(tz, "1995-01-01 00:00:00 +1400", :local, [1995,1,1,0,0,0])
+      else
+        assert_time_constructor(tz, "1994-12-31 23:59:59 -1000", :local, [1994,12,31,23,59,59])
+        assert_time_constructor(tz, "1995-01-02 00:00:00 +1400", :local, [1995,1,1,0,0,0])
+        assert_time_constructor(tz, "1995-01-02 23:59:59 +1400", :local, [1995,1,1,23,59,59])
+      end
       assert_time_constructor(tz, "1995-01-02 00:00:00 +1400", :local, [1995,1,2,0,0,0])
     }
   end
@@ -370,9 +381,18 @@ def self.gen_zdump_test(data)
 Europe/London  Sun Aug 10 01:00:00 1947 UTC = Sun Aug 10 02:00:00 1947 BST isdst=1 gmtoff=3600
 Europe/London  Sun Nov  2 01:59:59 1947 UTC = Sun Nov  2 02:59:59 1947 BST isdst=1 gmtoff=3600
 Europe/London  Sun Nov  2 02:00:00 1947 UTC = Sun Nov  2 02:00:00 1947 GMT isdst=0 gmtoff=0
+End
+  if CORRECT_KIRITIMATI_SKIP_1994
+    gen_zdump_test <<'End'
+Pacific/Kiritimati  Sat Dec 31 09:59:59 1994 UTC = Fri Dec 30 23:59:59 1994 LINT isdst=0 gmtoff=-36000
+Pacific/Kiritimati  Sat Dec 31 10:00:00 1994 UTC = Sun Jan  1 00:00:00 1995 LINT isdst=0 gmtoff=50400
+End
+  else
+    gen_zdump_test <<'End'
 Pacific/Kiritimati  Sun Jan  1 09:59:59 1995 UTC = Sat Dec 31 23:59:59 1994 LINT isdst=0 gmtoff=-36000
 Pacific/Kiritimati  Sun Jan  1 10:00:00 1995 UTC = Mon Jan  2 00:00:00 1995 LINT isdst=0 gmtoff=50400
 End
+  end
   gen_zdump_test <<'End' if has_right_tz
 right/America/Los_Angeles  Fri Jun 30 23:59:60 1972 UTC = Fri Jun 30 16:59:60 1972 PDT isdst=1 gmtoff=-25200
 right/America/Los_Angeles  Wed Dec 31 23:59:60 2008 UTC = Wed Dec 31 15:59:60 2008 PST isdst=0 gmtoff=-28800
@@ -420,5 +440,6 @@ def self.gen_variational_zdump_test(hint, data)
   gen_variational_zdump_test "lisbon", <<'End' if has_lisbon_tz
 Europe/Lisbon  Mon Jan  1 00:36:31 1912 UTC = Sun Dec 31 23:59:59 1911 LMT isdst=0 gmtoff=-2192
 Europe/Lisbon  Mon Jan  1 00:36:44 1912 UT = Sun Dec 31 23:59:59 1911 LMT isdst=0 gmtoff=-2205
+Europe/Lisbon  Sun Dec 31 23:59:59 1911 UT = Sun Dec 31 23:23:14 1911 LMT isdst=0 gmtoff=-2205
 End
 end