--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/3rdparty/vmime/tests/parser/messageIdTest.cpp	Tue Aug 17 11:19:54 2021 +0200
@@ -0,0 +1,78 @@
+//
+// 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(messageIdTest)
+
+	VMIME_TEST_LIST_BEGIN
+		VMIME_TEST(testParse)
+		VMIME_TEST(testParseInvalid)
+		VMIME_TEST(testGenerate)
+	VMIME_TEST_LIST_END
+
+
+	void testParse()
+	{
+		vmime::messageId m1;
+		m1.parse("<a@b>");
+
+		VASSERT_EQ("1.1", "a", m1.getLeft());
+		VASSERT_EQ("1.2", "b", m1.getRight());
+	}
+
+	void testParseInvalid()
+	{
+		vmime::messageId m1;
+		m1.parse("foo@bar");
+
+		VASSERT_EQ("1.1", "foo", m1.getLeft());
+		VASSERT_EQ("1.2", "bar", m1.getRight());
+	}
+
+	void testGenerate()
+	{
+		vmime::messageId m1;
+
+		VASSERT_EQ("1", "<>", m1.generate());
+
+		vmime::messageId m2;
+		m2.setLeft("a");
+
+		VASSERT_EQ("2", "<a>", m2.generate());
+
+		vmime::messageId m3;
+		m3.setRight("b");
+
+		VASSERT_EQ("3", "<@b>", m3.generate());
+
+		vmime::messageId m4;
+		m4.setLeft("a");
+		m4.setRight("b");
+
+		VASSERT_EQ("4", "<a@b>", m4.generate());
+	}
+
+VMIME_TEST_SUITE_END
+