--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/3rdparty/vmime/tests/parser/datetimeTest.cpp	Tue Aug 17 11:19:54 2021 +0200
@@ -0,0 +1,125 @@
+//
+// VMime library (http://www.vmime.org)
+// Copyright (C) 2002-2013 Vincent Richard <vincent@vmime.org>
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 3 of
+// the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// Linking this library statically or dynamically with other modules is making
+// a combined work based on this library.  Thus, the terms and conditions of
+// the GNU General Public License cover the whole combination.
+//
+
+#include "tests/testUtils.hpp"
+
+
+VMIME_TEST_SUITE_BEGIN(datetimeTest)
+
+	VMIME_TEST_LIST_BEGIN
+		VMIME_TEST(testParse)
+		VMIME_TEST(testGenerate)
+		VMIME_TEST(testCompare)
+	VMIME_TEST_LIST_END
+
+
+	void testParse()
+	{
+		struct datetimePair
+		{
+			vmime::string parseBuffer;
+			vmime::datetime result;
+		};
+
+		// Here, we can't test all the possible structures for date/time,
+		// so we test some cases. Don't forget to add a new test case
+		// each time you encounter a bug in date/time parsing (after
+		// you have fixed it).
+		datetimePair pairs[] =
+		{
+			{ /* 1 */ "Mon, 8 Nov 2004 13:42:56 +0000 (GMT)",
+			  vmime::datetime(2004, 11, 8, 13, 42, 56, vmime::datetime::GMT) },
+
+			{ /* 2 */ "Sun,  7 Nov 2004 00:43:22 -0500 (EST)",
+			  vmime::datetime(2004, 11, 7, 0, 43, 22, vmime::datetime::GMT_5) },
+
+			{ /* 3 */ "Thu Nov 18 12:11:16 2004",
+			  vmime::datetime(vmime::datetime::now().getYear(), 11, 18, 12, 11, 16, vmime::datetime::GMT) },
+
+			{ /* 4 */ "Sat, 18, 2004 22:36:32 -0400",
+			  vmime::datetime(2004, 1, 18, 22, 36, 32, vmime::datetime::GMT_4) },
+
+			{ /* 5 */ "Mon Dec 13 21:57:18 2004",
+			  vmime::datetime(vmime::datetime::now().getYear(), 12, 13, 21, 57, 18, vmime::datetime::GMT) },
+
+			{ /* 6 */ "18 Nov 2004 21:44:54 +0300",
+			  vmime::datetime(2004, 11, 18, 21, 44, 54, vmime::datetime::GMT3) }
+		};
+
+		for (unsigned int i = 0 ; i < sizeof(pairs) / sizeof(pairs[0]) ; ++i)
+		{
+			vmime::datetime d;
+			d.parse(pairs[i].parseBuffer);
+
+			std::ostringstream oss;
+			oss << (i + 1);
+
+			VASSERT_EQ(oss.str(), pairs[i].result, d);
+		}
+	}
+
+	void testGenerate()
+	{
+		vmime::datetime d1(2005, 7, 8, 4, 5, 6, 1 * 60 + 23);
+
+		VASSERT_EQ("1", "Fri, 8 Jul 2005 04:05:06 +0123", d1.generate());
+	}
+
+	void testCompare()
+	{
+		// Date1 = Date2
+		vmime::datetime d1(2005, 4, 22, 14, 6, 0, vmime::datetime::GMT2);
+		vmime::datetime d2(2005, 4, 22, 10, 6, 0, vmime::datetime::GMT_2);
+
+		VASSERT_EQ("1.1", true,  d1 == d2);
+		VASSERT_EQ("1.2", false, d1 != d2);
+		VASSERT_EQ("1.3", true,  d1 <= d2);
+		VASSERT_EQ("1.4", false, d1 <  d2);
+		VASSERT_EQ("1.5", true,  d1 >= d2);
+		VASSERT_EQ("1.6", false, d1 >  d2);
+
+		// Date1 < Date2
+		vmime::datetime d3(2005, 4, 22, 14, 6, 0);
+		vmime::datetime d4(2005, 4, 22, 15, 6, 0);
+
+		VASSERT_EQ("2.1", false, d3 == d4);
+		VASSERT_EQ("2.2", true,  d3 != d4);
+		VASSERT_EQ("2.3", true,  d3 <= d4);
+		VASSERT_EQ("2.4", true,  d3 <  d4);
+		VASSERT_EQ("2.5", false, d3 >= d4);
+		VASSERT_EQ("2.6", false, d3 >  d4);
+
+		// Date1 > Date2
+		vmime::datetime d5(2005, 4, 22, 15, 6, 0);
+		vmime::datetime d6(2005, 4, 22, 14, 6, 0);
+
+		VASSERT_EQ("3.1", false, d5 == d6);
+		VASSERT_EQ("3.2", true,  d5 != d6);
+		VASSERT_EQ("3.3", false, d5 <= d6);
+		VASSERT_EQ("3.4", false, d5 <  d6);
+		VASSERT_EQ("3.5", true,  d5 >= d6);
+		VASSERT_EQ("3.6", true,  d5 >  d6);
+	}
+
+VMIME_TEST_SUITE_END
+