diff --git a/3party/opening_hours/opening_hours_tests/opening_hours_tests.cpp b/3party/opening_hours/opening_hours_tests/opening_hours_tests.cpp
index 6ef034e938..a1ac06ab5c 100644
--- a/3party/opening_hours/opening_hours_tests/opening_hours_tests.cpp
+++ b/3party/opening_hours/opening_hours_tests/opening_hours_tests.cpp
@@ -1449,6 +1449,26 @@ BOOST_AUTO_TEST_CASE(OpeningHours_TestIsActive)
     BOOST_CHECK(GetTimeTuple("2017-02-10 05:35", kDateTimeFmt, time));
     BOOST_CHECK(!IsActive(rules[0], time));
 
+    BOOST_CHECK(GetTimeTuple("2017-05-21 06:01", kDateTimeFmt, time));
+    BOOST_CHECK(!IsActive(rules[0], time));
+  }
+  {
+    TRuleSequences rules;
+    BOOST_CHECK(Parse("Mo-We 00:00-24:00 off", rules));
+
+    std::tm time{};
+    BOOST_CHECK(GetTimeTuple("2016-10-03 05:35", kDateTimeFmt, time));
+    BOOST_CHECK(IsActive(rules[0], time));
+
+    BOOST_CHECK(GetTimeTuple("2017-01-17 15:35", kDateTimeFmt, time));
+    BOOST_CHECK(IsActive(rules[0], time));
+
+    BOOST_CHECK(GetTimeTuple("2017-05-31 23:35", kDateTimeFmt, time));
+    BOOST_CHECK(IsActive(rules[0], time));
+
+    BOOST_CHECK(GetTimeTuple("2017-02-10 05:35", kDateTimeFmt, time));
+    BOOST_CHECK(!IsActive(rules[0], time));
+
     BOOST_CHECK(GetTimeTuple("2017-05-21 06:01", kDateTimeFmt, time));
     BOOST_CHECK(!IsActive(rules[0], time));
   }
@@ -1576,6 +1596,16 @@ BOOST_AUTO_TEST_CASE(OpeningHours_TestIsOpen)
     BOOST_CHECK(IsOpen(rules, "2017-05-31 23:35"));
     BOOST_CHECK(!IsOpen(rules, "2017-02-10 05:35"));
     BOOST_CHECK(!IsOpen(rules, "2017-05-21 06:01"));
+  } 
+  {
+    TRuleSequences rules;
+    BOOST_CHECK(Parse("Mo-Su 00:00-24:00; Mo-We 00:00-24:00 off", rules));
+
+    BOOST_CHECK(!IsOpen(rules, "2016-10-03 05:35"));
+    BOOST_CHECK(!IsOpen(rules, "2017-01-17 15:35"));
+    BOOST_CHECK(!IsOpen(rules, "2017-05-31 23:35"));
+    BOOST_CHECK(IsOpen(rules, "2017-02-10 05:35"));
+    BOOST_CHECK(IsOpen(rules, "2017-05-21 06:01"));
   }
 }