Merge branch 'dockwa-commercial_date_strptime'

* dockwa-commercial_date_strptime:
  support iso 8601 week dates
  add basic support for week date parsing

lib/timecop/time_extensions.rb

@@ -58,6 +58,12 @@ def strptime_with_mock_date(str = '-4712-01-01', fmt = '%F', start = Date::ITALY
         Date.new(year, mon, now.mday) + (d[:wday] - now.wday)
       elsif d[:yday]
         Date.new(year).next_day(d[:yday] - 1)
+      elsif d[:cwyear] && d[:cweek]
+        if d[:cwday]
+          Date.commercial(d[:cwyear], d[:cweek], d[:cwday])
+        else
+          Date.commercial(d[:cwyear], d[:cweek])
+        end
       else
         Date.new(year, mon)
       end

test/date_strptime_scenarios.rb

@@ -22,6 +22,14 @@ def test_date_strptime_with_day_of_week
     assert_equal Date.strptime('Monday', '%A'), Date.new(1984, 2, 27)
   end
 
+  def test_date_strptime_with_commercial_week_date
+    assert_equal Date.strptime('1984-09', '%G-%V'), Date.new(1984, 2, 27)
+  end
+
+  def test_date_strptime_with_iso_8601_week_date
+    assert_equal Date.strptime('1984-W09-1', '%G-W%V-%u'), Date.new(1984, 2, 27)
+  end
+
   def test_date_strptime_with_invalid_date
     assert_raises(ArgumentError) { Date.strptime('', '%Y-%m-%d') }
   end