--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/3rdparty/vmime/tests/utility/encoder/qpEncoderTest.cpp	Tue Aug 17 11:19:54 2021 +0200
@@ -0,0 +1,248 @@
+//
+// 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"
+
+#include "encoderTestUtils.hpp"
+
+
+VMIME_TEST_SUITE_BEGIN(qpEncoderTest)
+
+	VMIME_TEST_LIST_BEGIN
+		VMIME_TEST(testQuotedPrintable)
+		VMIME_TEST(testQuotedPrintable_SoftLineBreaks)
+		VMIME_TEST(testQuotedPrintable_HardLineBreakEncode)
+		VMIME_TEST(testQuotedPrintable_HardLineBreakDecode)
+		VMIME_TEST(testQuotedPrintable_CRLF)
+		VMIME_TEST(testQuotedPrintable_RFC2047)
+	VMIME_TEST_LIST_END
+
+
+	void testQuotedPrintable()
+	{
+		static const vmime::string testSuites[] =
+		{
+			// Test 1
+			"",
+
+			"",
+
+			// Test 2
+			"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
+
+			"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
+
+			// Test 3
+			"0123456789012345678901234567890123456789012345678901234567890123456789012"
+			"3456789012345678901234567890123456789012345678901234567890123456789012345"
+			"6789",
+
+			"0123456789012345678901234567890123456789012345678901234567890123456789012=\r\n"
+			"3456789012345678901234567890123456789012345678901234567890123456789012345=\r\n"
+			"6789",
+
+			// Test 4
+			vmime::string(
+			"\x89\xe8\x24\x04\x2f\xe8\xff\xfb\xeb\xff\x90\xd7\x74\x8d\x00\x26\x89\x55"
+			"\x83\xe5\x08\xec\x04\xc7\xa0\x24\x05\xa2\xe8\x08\x43\xee\x00\x00\xc0\x85"
+			"\x0a\x74\xec\x89\xc3\x5d\xb6\x8d\x00\x00\x00\x00\x04\xc7\xa8\x24\x05\xa2"
+			"\xe8\x08\x43\xd4\x00\x00\xe8\xeb\xf6\x89\x89\x55\x81\xe5\xa8\xec\x00\x00"
+			"\x89\x00\xfc\x75\x75\x8b\x89\x08\xf8\x5d\xb9\xe8\xff\xff\x83\xff\x14\xfe"
+			"\x47\x74\xc0\x31\x9d\x8d\xff\x68\xff\xff\x85\x89\xff\x68\xff\xff\x85\x8d"
+			"\xff\x6c\xff\xff\x04\x89\xe8\x24\xfa\x50\xff\xff\x45\xc7\x00\xec\x00\x00"
+			"\x31\x00\x89\xc0\x24\x44\x89\x08\x24\x5c\x89\x04\x24\x34\x87\xe8\xff\xf6"
+			"\x89\xff\x24\x34\x2f\xe8\xff\xf9\x8b\xff\xf8\x5d\x75\x8b\x89\xfc\x5d\xec"
+			"\xbe\xc3\x00\x13\x00\x00\xe7\xeb\xb6\x8d\x00\x00\x00\x00\x89\x55\x57\xe5"
+			"\x53\x56\xec\x81\x01\xdc\x00\x00\x45\xbb\x05\x5c\x8b\x08\x0c\x55\xe4\x83"
+			"\x8b\xf0\x89\x02\x24\x5c\xc7\x04\x24\x04\x00\x06\x00\x00\xec\xa3\x05\xa9"
+			"\xe8\x08\xf7\x2a\xff\xff\x04\xc7\x46\x24\x05\x5c\xb9\x08\x5c\x50\x08\x05"
+			"\x4c\x89\x04\x24\xf5\xe8\xff\xf7\xc7\xff\x24\x04\x5c\x46\x08\x05\xe9\xe8"
+			"\xff\xf8\xc7\xff\x24\x04\x1d\x70\x08\x05\x55\xe8\x00\xbb\xb8\x00\x00\x01"
+			"\x00\x00\xd2\x31\x08\xa3\x05\xa7\xb8\x08\x00\x01\x00\x00\x0c\xa3\x05\xa7",
+			18 * 16),
+
+			"=89=E8$=04/=E8=FF=FB=EB=FF=90=D7t=8D=00&=89U=83=E5=08=EC=04=C7=A0$=05=A2=E8=\r\n"
+			"=08C=EE=00=00=C0=85=0At=EC=89=C3]=B6=8D=00=00=00=00=04=C7=A8$=05=A2=E8=08=\r\n"
+			"C=D4=00=00=E8=EB=F6=89=89U=81=E5=A8=EC=00=00=89=00=FCuu=8B=89=08=F8]=B9=E8=\r\n"
+			"=FF=FF=83=FF=14=FEGt=C01=9D=8D=FFh=FF=FF=85=89=FFh=FF=FF=85=8D=FFl=FF=FF=04=\r\n"
+			"=89=E8$=FAP=FF=FFE=C7=00=EC=00=001=00=89=C0$D=89=08$\\=89=04$4=87=E8=FF=F6=\r\n"
+			"=89=FF$4/=E8=FF=F9=8B=FF=F8]u=8B=89=FC]=EC=BE=C3=00=13=00=00=E7=EB=B6=8D=00=\r\n"
+			"=00=00=00=89UW=E5SV=EC=81=01=DC=00=00E=BB=05\\=8B=08=0CU=E4=83=8B=F0=89=02=\r\n"
+			"$\\=C7=04$=04=00=06=00=00=EC=A3=05=A9=E8=08=F7*=FF=FF=04=C7F$=05\\=B9=08\\P=08=\r\n"
+			"=05L=89=04$=F5=E8=FF=F7=C7=FF$=04\\F=08=05=E9=E8=FF=F8=C7=FF$=04=1Dp=08=05=\r\n"
+			"U=E8=00=BB=B8=00=00=01=00=00=D21=08=A3=05=A7=B8=08=00=01=00=00=0C=A3=05=A7=\r\n"
+		};
+
+
+		for (unsigned int i = 0 ; i < sizeof(testSuites) / sizeof(testSuites[0]) / 2 ; ++i)
+		{
+			const vmime::string decoded = testSuites[i * 2];
+			const vmime::string encoded = testSuites[i * 2 + 1];
+
+			std::ostringstream oss;
+			oss << "[QP] Test " << (i + 1) << ": ";
+
+			// Encoding
+			VASSERT_EQ(oss.str() + "encoding", encoded, encode("quoted-printable", decoded, 74));
+
+			// Decoding
+			VASSERT_EQ(oss.str() + "decoding", decoded, decode("quoted-printable", encoded, 74));
+
+			// Multiple and successive encoding/decoding
+			VASSERT_EQ(oss.str() + "multiple1", decoded,
+				decode("quoted-printable",
+					encode("quoted-printable", decoded)));
+
+			VASSERT_EQ(oss.str() + "multiple2", decoded,
+				decode("quoted-printable",
+					decode("quoted-printable",
+						encode("quoted-printable",
+							encode("quoted-printable", decoded)))));
+
+			VASSERT_EQ(oss.str() + "multiple3", decoded,
+				decode("quoted-printable",
+					decode("quoted-printable",
+						decode("quoted-printable",
+							encode("quoted-printable",
+								encode("quoted-printable",
+									encode("quoted-printable", decoded)))))));
+
+			VASSERT_EQ(oss.str() + "multiple4", decoded,
+				decode("quoted-printable",
+					decode("quoted-printable",
+						decode("quoted-printable",
+							decode("quoted-printable",
+								encode("quoted-printable",
+									encode("quoted-printable",
+										encode("quoted-printable",
+											encode("quoted-printable", decoded)))))))));
+
+			VASSERT(oss.str() + "encoded size",
+				getEncoder("quoted-printable")->getEncodedSize(decoded.length())
+				>= encode("quoted-printable", decoded).length());
+
+			VASSERT(oss.str() + "decoded size",
+				getEncoder("quoted-printable")->getDecodedSize(encoded.length())
+				>= decode("quoted-printable", encoded).length());
+		}
+	}
+
+	/** Tests Soft Line Breaks (RFC-2047/6.7(5). */
+	void testQuotedPrintable_SoftLineBreaks()
+	{
+		VASSERT_EQ("1", "Now's the time=\r\n"
+		                " for all folk =\r\n"
+		                "to come to the=\r\n"
+		                " aid of their =\r\n"
+		                "country.",
+		                encode("quoted-printable", "Now's the time for all folk "
+		                                           "to come to the aid of their country.", 15));
+	}
+
+	void testQuotedPrintable_HardLineBreakEncode()
+	{
+		const std::string data =
+			"If you believe that truth=beauty,"
+			" then surely mathematics\r\nis the most"
+			" beautiful branch of philosophy.";
+
+		const std::string expected = 
+			"If you believe that truth=3Dbeauty=\r\n"
+			", then surely mathematics\r\n"
+			"is the most beautiful branch of ph=\r\n"
+			"ilosophy.";
+
+		vmime::propertySet encProps;
+		encProps["text"] = true;
+
+		VASSERT_EQ("1", expected, encode("quoted-printable", data, 35, encProps));
+	}
+
+	void testQuotedPrintable_HardLineBreakDecode()
+	{
+		const std::string expected =
+			"If you believe that truth=beauty,"
+			" then surely mathematics\r\nis the most"
+			" beautiful branch of philosophy.";
+
+		const std::string data = 
+			"If you believe that truth=3Dbeauty=\r\n"
+			", then surely mathematics\r\n"
+			"is the most beautiful branch of ph=\r\n"
+			"ilosophy.";
+
+		VASSERT_EQ("1", expected, decode("quoted-printable", data, 35));
+	}
+
+
+	/** In text mode, ensure line breaks in QP-encoded text are represented
+	  * by a CRLF sequence, as per RFC-2047/6.7(4). */
+	void testQuotedPrintable_CRLF()
+	{
+		vmime::propertySet encProps;
+
+		// in "text" mode
+		encProps["text"] = true;
+		VASSERT_EQ("text", "line1\r\nline2",
+		           encode("quoted-printable", "line1\r\nline2", 80, encProps));
+
+		// in "binary" mode
+		encProps["text"] = false;
+		VASSERT_EQ("binary", "line1=0D=0Aline2",
+		           encode("quoted-printable", "line1\r\nline2", 80, encProps));
+	}
+
+	void testQuotedPrintable_RFC2047()
+	{
+		/*
+		 * The RFC (http://tools.ietf.org/html/rfc2047#section-5) says:
+		 *
+		 *    In this case the set of characters that may be used in a "Q"-encoded
+		 *    'encoded-word' is restricted to: <upper and lower case ASCII
+		 *    letters, decimal digits, "!", "*", "+", "-", "/", "=", and "_"
+		 *    (underscore, ASCII 95.)>.  An 'encoded-word' that appears within a
+		 *    'phrase' MUST be separated from any adjacent 'word', 'text' or
+		 *    'special' by 'linear-white-space'.
+		 */
+
+		vmime::propertySet encProps;
+		encProps["rfc2047"] = true;
+
+		// Ensure 'especials' are encoded
+		VASSERT_EQ("especials.1",  "=2C", encode("quoted-printable", ",", 10, encProps));
+		VASSERT_EQ("especials.2",  "=3B", encode("quoted-printable", ";", 10, encProps));
+		VASSERT_EQ("especials.3",  "=3A", encode("quoted-printable", ":", 10, encProps));
+		VASSERT_EQ("especials.4",  "=5F", encode("quoted-printable", "_", 10, encProps));
+		VASSERT_EQ("especials.5",  "=40", encode("quoted-printable", "@", 10, encProps));
+		VASSERT_EQ("especials.6",  "=28", encode("quoted-printable", "(", 10, encProps));
+		VASSERT_EQ("especials.7",  "=29", encode("quoted-printable", ")", 10, encProps));
+		VASSERT_EQ("especials.8",  "=3C", encode("quoted-printable", "<", 10, encProps));
+		VASSERT_EQ("especials.9",  "=3E", encode("quoted-printable", ">", 10, encProps));
+		VASSERT_EQ("especials.10", "=5B", encode("quoted-printable", "[", 10, encProps));
+		VASSERT_EQ("especials.11", "=5D", encode("quoted-printable", "]", 10, encProps));
+		VASSERT_EQ("especials.12", "=22", encode("quoted-printable", "\"", 10, encProps));
+	}
+
+	// TODO: UUEncode
+
+VMIME_TEST_SUITE_END