test/win32ole/test_win32ole_variant.rb

(test_conversion_time2date_with_msec): test by using only
assert_in_delta  to avoid to fail when converting Time object with
999999999 nanoseconds into VT_DATE Variant.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47686 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Mon Sep 22 20:00:29 2014  Masaki Suketa <masaki.suketa@nifty.ne.jp>
+
+	* test/win32ole/test_win32ole_variant.rb
+	  (test_conversion_time2date_with_msec): test by using only
+	  assert_in_delta  to avoid to fail when converting Time object with
+	  999999999 nanoseconds into VT_DATE Variant.
+
 Mon Sep 22 19:49:12 2014  Zachary Scott  <e@zzak.io>
 
 	* doc/syntax/methods.rdoc: [DOC] [] and []= methods by @process

test/win32ole/test_win32ole_variant.rb

@@ -400,13 +400,26 @@ if defined?(WIN32OLE_VARIANT)
       t0 = Time.new(2014, 8, 27, 12, 34, 56)
       t0 += 0.789
       t1 = WIN32OLE_VARIANT.new(t0).value
-      assert_equal("2014-08-27 12:34:56", t1.strftime('%Y-%m-%d %H:%M:%S'))
-      assert_in_delta(0.789, t1.nsec / 1000000000.0, 0.001)
+
+      # The t0.nsec is 789000000 and t1.nsec is 789000465
+      # because of error range by conversion Time between VT_DATE Variant.
+      # So check t1 and t0 are in error by less than one millisecond.
+      msg = "Expected:#{t0.strftime('%Y-%m-%dT%H:%M:%S.%N')} but was:#{t1.strftime('%Y-%m-%dT%H:%M:%S.%N')}"
+      assert_in_delta(t0, t1, 0.001, msg)
+
+      t0 = Time.new(2014, 8, 27, 12, 34, 56)
+      t0 += 0.999999999
+      t1 = WIN32OLE_VARIANT.new(t0).value
+      msg = "Expected:#{t0.strftime('%Y-%m-%dT%H:%M:%S.%N')} but was:#{t1.strftime('%Y-%m-%dT%H:%M:%S.%N')}"
+
+      # The t0 is "2014/08/27 12:34.56.999999999" and
+      # the t1 is "2014/08/27 12:34:57.000000628"
+      assert_in_delta(t0, t1, 0.001, msg)
 
       t0 = Time.now
       t1 = WIN32OLE_VARIANT.new(t0).value
-      assert_equal(t0.strftime('%Y-%m-%d %H:%M:%S'), t1.strftime('%Y-%m-%d %H:%M:%S'))
-      assert_in_delta(t0.nsec/1000000000.0, t1.nsec / 1000000000.0, 0.001)
+      msg = "Expected:#{t0.strftime('%Y-%m-%dT%H:%M:%S.%N')} but was:#{t1.strftime('%Y-%m-%dT%H:%M:%S.%N')}"
+      assert_in_delta(t0, t1, 0.001, msg)
     end
 
     # this test failed because of VariantTimeToSystemTime