apply UTC offset during timestamp conversion

[libi2ncommon] / test / test_timefunc.cpp

diff --git a/test/test_timefunc.cpp b/test/test_timefunc.cpp
index 1ee6e47..5fc58e5 100644 (file)
--- a/test/test_timefunc.cpp
+++ b/test/test_timefunc.cpp
@@ -1229,6 +1229,43 @@ BOOST_AUTO_TEST_SUITE(Clock)
         BOOST_CHECK_EQUAL(*t2->format_iso8601 (true,  true, false, false), in2);
     }
 
+    BOOST_AUTO_TEST_CASE(FromString_iso8601_offset)
+    {
+        const std::string in1 ("2019-04-25T13:41:47Z");
+        const std::string in2 ("2019-04-25T13:41:47+0200"); /* = UTC(in1 + 2h) */
+        const std::string in3 ("2019-04-25T15:41:47+0000"); /* = UTC(in2) */
+
+        this->set_utc ();
+        boost::optional<I2n::clock::Time> t1 = I2n::clock::time_of_iso8601 (in1, true, true, true);
+        boost::optional<I2n::clock::Time> t2 = I2n::clock::time_of_iso8601 (in2, true, true, true);
+        boost::optional<I2n::clock::Time> t3 = I2n::clock::time_of_iso8601 (in3, true, true, true);
+
+        BOOST_CHECK(t1);
+        BOOST_CHECK(t2);
+        BOOST_CHECK(t3);
+
+        BOOST_CHECK_EQUAL(*t1->format_iso8601 (), "2019-04-25T13:41:47+0000");
+        BOOST_CHECK_EQUAL(t1->get_sec (), 1556199707);
+        BOOST_CHECK_EQUAL(*t2->format_iso8601 (), "2019-04-25T15:41:47+0000");
+        BOOST_CHECK_EQUAL(t2->get_sec (), t1->get_sec () + 2 * 60 * 60);
+        BOOST_CHECK_EQUAL(*t2, *t3);
+        BOOST_CHECK_EQUAL(*t3->format_iso8601 (), "2019-04-25T15:41:47+0000");
+    }
+
+    BOOST_AUTO_TEST_CASE(FromString_iso8601_tzdiff)
+    {
+        const std::string in ("2019-04-26T13:45:02+0000");
+
+        this->set_tz ("UTC");
+        boost::optional<I2n::clock::Time> t1 = I2n::clock::time_of_iso8601 (in, true, true, false);
+
+        this->set_tz ("CET");
+        boost::optional<I2n::clock::Time> t2 = I2n::clock::time_of_iso8601 (in, true, true, false);
+
+        BOOST_CHECK_EQUAL(*t1->format_iso8601 (true, true, true, true), in);
+        BOOST_CHECK_EQUAL(*t2->format_iso8601 (true, true, true, true), "2019-04-26T13:45:02+0000");
+    }
+
     BOOST_AUTO_TEST_CASE(FromString_iso8601_32bit_time_t_err)
     {
         const std::string timeless ("11:11:11");