tc_timezone_london.rb in tzinfo-0.2.0

- old
+ new
@@ -48,7 +48,67 @@
     assert_equal(3600, tz.period_for_local(DateTime.new(2004,3,28,2,0,0)).utc_total_offset)
     assert_equal(3600, tz.period_for_local(DateTime.new(2004,10,31,1,59,59), true).utc_total_offset)
     assert_equal(0, tz.period_for_local(DateTime.new(2004,10,31,1,59,59), false).utc_total_offset)
     assert_equal(3600, tz.period_for_local(DateTime.new(2004,10,31,1,0,0), true).utc_total_offset)
     assert_equal(0, tz.period_for_local(DateTime.new(2004,10,31,1,0,0), false).utc_total_offset)
-  end    
+  end 
+  
+  def test_1961
+    #Europe/London  Sun Mar 26 01:59:59 1961 UTC = Sun Mar 26 01:59:59 1961 GMT isdst=0 gmtoff=0
+    #Europe/London  Sun Mar 26 02:00:00 1961 UTC = Sun Mar 26 03:00:00 1961 BST isdst=1 gmtoff=3600
+    #Europe/London  Sun Oct 29 01:59:59 1961 UTC = Sun Oct 29 02:59:59 1961 BST isdst=1 gmtoff=3600
+    #Europe/London  Sun Oct 29 02:00:00 1961 UTC = Sun Oct 29 02:00:00 1961 GMT isdst=0 gmtoff=0
+    
+    tz = Timezone.get('Europe/London')
+    assert_equal(DateTime.new(1961,3,26,1,59,59), tz.utc_to_local(DateTime.new(1961,3,26,1,59,59)))
+    assert_equal(DateTime.new(1961,3,26,3,0,0), tz.utc_to_local(DateTime.new(1961,3,26,2,0,0)))    
+    assert_equal(DateTime.new(1961,10,29,2,59,59), tz.utc_to_local(DateTime.new(1961,10,29,1,59,59)))
+    assert_equal(DateTime.new(1961,10,29,2,0,0), tz.utc_to_local(DateTime.new(1961,10,29,2,0,0)))
+    
+    assert_equal(DateTime.new(1961,3,26,1,59,59), tz.local_to_utc(DateTime.new(1961,3,26,1,59,59)))
+    assert_equal(DateTime.new(1961,3,26,2,0,0), tz.local_to_utc(DateTime.new(1961,3,26,3,0,0)))
+    assert_equal(DateTime.new(1961,10,29,1,59,59), tz.local_to_utc(DateTime.new(1961,10,29,2,59,59), true))
+    assert_equal(DateTime.new(1961,10,29,2,59,59), tz.local_to_utc(DateTime.new(1961,10,29,2,59,59), false))
+    assert_equal(DateTime.new(1961,10,29,1,0,0), tz.local_to_utc(DateTime.new(1961,10,29,2,0,0), true))
+    assert_equal(DateTime.new(1961,10,29,2,0,0), tz.local_to_utc(DateTime.new(1961,10,29,2,0,0), false))
+    
+    assert_raise(PeriodNotFound) { tz.local_to_utc(DateTime.new(1961,3,26,2,0,0)) }
+    assert_raise(AmbiguousTime) { tz.local_to_utc(DateTime.new(1961,10,29,2,0,0)) }
+    
+    assert_equal(:GMT, tz.period_for_utc(DateTime.new(1961,3,26,1,59,59)).zone_identifier)
+    assert_equal(:BST, tz.period_for_utc(DateTime.new(1961,3,26,2,0,0)).zone_identifier)
+    assert_equal(:BST, tz.period_for_utc(DateTime.new(1961,10,29,1,59,59)).zone_identifier)
+    assert_equal(:GMT, tz.period_for_utc(DateTime.new(1961,10,29,2,0,0)).zone_identifier)
+    
+    assert_equal(:GMT, tz.period_for_local(DateTime.new(1961,3,26,1,59,59)).zone_identifier)
+    assert_equal(:BST, tz.period_for_local(DateTime.new(1961,3,26,3,0,0)).zone_identifier)
+    assert_equal(:BST, tz.period_for_local(DateTime.new(1961,10,29,2,59,59), true).zone_identifier)
+    assert_equal(:GMT, tz.period_for_local(DateTime.new(1961,10,29,2,59,59), false).zone_identifier)
+    assert_equal(:BST, tz.period_for_local(DateTime.new(1961,10,29,2,0,0), true).zone_identifier)
+    assert_equal(:GMT, tz.period_for_local(DateTime.new(1961,10,29,2,0,0), false).zone_identifier)
+    
+    assert_equal(0, tz.period_for_utc(DateTime.new(1961,3,26,1,59,59)).utc_total_offset)
+    assert_equal(3600, tz.period_for_utc(DateTime.new(1961,3,26,2,0,0)).utc_total_offset)
+    assert_equal(3600, tz.period_for_utc(DateTime.new(1961,10,29,1,59,59)).utc_total_offset)
+    assert_equal(0, tz.period_for_utc(DateTime.new(1961,10,29,2,0,0)).utc_total_offset)
+    
+    assert_equal(0, tz.period_for_local(DateTime.new(1961,3,26,1,59,59)).utc_total_offset)
+    assert_equal(3600, tz.period_for_local(DateTime.new(1961,3,26,3,0,0)).utc_total_offset)
+    assert_equal(3600, tz.period_for_local(DateTime.new(1961,10,29,2,59,59), true).utc_total_offset)
+    assert_equal(0, tz.period_for_local(DateTime.new(1961,10,29,2,59,59), false).utc_total_offset)
+    assert_equal(3600, tz.period_for_local(DateTime.new(1961,10,29,2,0,0), true).utc_total_offset)
+    assert_equal(0, tz.period_for_local(DateTime.new(1961,10,29,2,0,0), false).utc_total_offset)
+  end 
+  
+  def test_time_boundary
+    #Europe/London  Sat Oct 26 23:00:00 1968 UTC = Sun Oct 27 00:00:00 1968 GMT isdst=0 gmtoff=3600
+    #Europe/London  Sun Oct 31 01:59:59 1971 UTC = Sun Oct 31 02:59:59 1971 GMT isdst=0 gmtoff=3600
+    
+    tz = Timezone.get('Europe/London')    
+    assert_equal(DateTime.new(1970,1,1,1,0,0), tz.utc_to_local(DateTime.new(1970,1,1,0,0,0)))
+    assert_equal(DateTime.new(1970,1,1,0,0,0), tz.local_to_utc(DateTime.new(1970,1,1,1,0,0)))
+    assert_equal(Time.utc(1970,1,1,1,0,0), tz.utc_to_local(Time.utc(1970,1,1,0,0,0)))
+    assert_equal(Time.utc(1970,1,1,0,0,0), tz.local_to_utc(Time.utc(1970,1,1,1,0,0)))
+    assert_equal(3600, tz.utc_to_local(0))
+    assert_equal(0, tz.local_to_utc(3600))
+  end
 end
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