/**************************************************************************** ** ** Copyright (C) 2018 The Qt Company Ltd. ** Copyright (C) 2018 Intel Corporation. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the test suite of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3 as published by the Free Software ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include void loadInvalidUtf8Rows() { // Wrong continuations QTest::newRow("bad-continuation-1char") << QByteArray("\x80"); QTest::newRow("bad-continuation-2chars-1") << QByteArray("\xC2\xC0"); QTest::newRow("bad-continuation-2chars-2") << QByteArray("\xC3\xDF"); QTest::newRow("bad-continuation-2chars-3") << QByteArray("\xC7\xF0"); QTest::newRow("bad-continuation-3chars-1") << QByteArray("\xE0\xA0\xC0"); QTest::newRow("bad-continuation-3chars-2") << QByteArray("\xE0\xC0\xA0"); QTest::newRow("bad-continuation-4chars-1") << QByteArray("\xF0\x90\x80\xC0"); QTest::newRow("bad-continuation-4chars-2") << QByteArray("\xF0\x90\xC0\x80"); QTest::newRow("bad-continuation-4chars-3") << QByteArray("\xF0\xC0\x80\x80"); // Too short QTest::newRow("too-short-2chars") << QByteArray("\xC2"); QTest::newRow("too-short-3chars-1") << QByteArray("\xE0"); QTest::newRow("too-short-3chars-2") << QByteArray("\xE0\xA0"); QTest::newRow("too-short-4chars-1") << QByteArray("\xF0"); QTest::newRow("too-short-4chars-2") << QByteArray("\xF0\x90"); QTest::newRow("too-short-4chars-3") << QByteArray("\xF0\x90\x80"); // Surrogate pairs must now be present either // U+D800: 1101 10 0000 00 0000 // encoding: xxxz:1101 xz10:0000 xz00:0000 QTest::newRow("hi-surrogate") << QByteArray("\xED\xA0\x80"); // U+DC00: 1101 11 0000 00 0000 // encoding: xxxz:1101 xz11:0000 xz00:0000 QTest::newRow("lo-surrogate") << QByteArray("\xED\xB0\x80"); // not even in pair: QTest::newRow("surrogate-pair") << QByteArray("\xED\xA0\x80\xED\xB0\x80"); // Characters outside the Unicode range: // 0x110000: 00 0100 01 0000 00 0000 00 0000 // encoding: xxxx:z100 xz01:0000 xz00:0000 xz00:0000 QTest::newRow("non-unicode-1") << QByteArray("\xF4\x90\x80\x80"); // 0x200000: 00 1000 00 0000 00 0000 00 0000 // encoding: xxxx:xz00 xz00:1000 xz00:0000 xz00:0000 xz00:0000 QTest::newRow("non-unicode-2") << QByteArray("\xF8\x88\x80\x80\x80"); // 0x04000000: 0100 00 0000 00 0000 00 0000 00 0000 // encoding: xxxx:xxz0 xz00:0100 xz00:0000 xz00:0000 xz00:0001 xz00:0001 QTest::newRow("non-unicode-3") << QByteArray("\xFC\x84\x80\x80\x80\x80"); // 0x7fffffff: 1 11 1111 11 1111 11 1111 11 1111 11 1111 // encoding: xxxx:xxz0 xz00:0100 xz00:0000 xz00:0000 xz00:0001 xz00:0001 QTest::newRow("non-unicode-4") << QByteArray("\xFD\xBF\xBF\xBF\xBF\xBF"); // As seen above, 0xFE and 0xFF never appear: QTest::newRow("fe") << QByteArray("\xFE"); QTest::newRow("fe-bis") << QByteArray("\xFE\xBF\xBF\xBF\xBF\xBF\xBF"); QTest::newRow("ff") << QByteArray("\xFF"); QTest::newRow("ff-bis") << QByteArray("\xFF\xBF\xBF\xBF\xBF\xBF\xBF\xBF"); // some combinations in UTF-8 are invalid even though they have the proper bits set // these are known as overlong sequences // "A": U+0041: 01 00 0001 // overlong 2: xxz0:0001 xz00:0001 QTest::newRow("overlong-1-2") << QByteArray("\xC1\x81"); // overlong 3: xxxz:0000 xz00:0001 xz00:0001 QTest::newRow("overlong-1-3") << QByteArray("\xE0\x81\x81"); // overlong 4: xxxx:z000 xz00:0000 xz00:0001 xz00:0001 QTest::newRow("overlong-1-4") << QByteArray("\xF0\x80\x81\x81"); // overlong 5: xxxx:xz00 xz00:0000 xz00:0000 xz00:0001 xz00:0001 QTest::newRow("overlong-1-5") << QByteArray("\xF8\x80\x80\x81\x81"); // overlong 6: xxxx:xxz0 xz00:0000 xz00:0000 xz00:0000 xz00:0001 xz00:0001 QTest::newRow("overlong-1-6") << QByteArray("\xFC\x80\x80\x80\x81\x81"); // U+0080: 10 00 0000 // proper encoding: xxz0:0010 xz00:0000 // overlong 3: xxxz:0000 xz00:0010 xz00:0000 QTest::newRow("overlong-2-3") << QByteArray("\xE0\x82\x80"); // overlong 4: xxxx:z000 xz00:0000 xz00:0010 xz00:0000 QTest::newRow("overlong-2-4") << QByteArray("\xF0\x80\x82\x80"); // overlong 5: xxxx:xz00 xz00:0000 xz00:0000 xz00:0010 xz00:0000 QTest::newRow("overlong-2-5") << QByteArray("\xF8\x80\x80\x82\x80"); // overlong 6: xxxx:xxz0 xz00:0000 xz00:0000 xz00:0000 xz00:0010 xz00:0000 QTest::newRow("overlong-2-6") << QByteArray("\xFC\x80\x80\x80\x82\x80"); // U+0800: 10 0000 00 0000 // proper encoding: xxxz:0000 xz10:0000 xz00:0000 // overlong 4: xxxx:z000 xz00:0000 xz10:0000 xz00:0000 QTest::newRow("overlong-3-4") << QByteArray("\xF0\x80\xA0\x80"); // overlong 5: xxxx:xz00 xz00:0000 xz00:0000 xz10:0000 xz00:0000 QTest::newRow("overlong-3-5") << QByteArray("\xF8\x80\x80\xA0\x80"); // overlong 6: xxxx:xxz0 xz00:0000 xz00:0000 xz00:0000 xz10:0000 xz00:0000 QTest::newRow("overlong-3-6") << QByteArray("\xFC\x80\x80\x80\xA0\x80"); // U+010000: 00 0100 00 0000 00 0000 // proper encoding: xxxx:z000 xz00:0100 xz00:0000 xz00:0000 // overlong 5: xxxx:xz00 xz00:0000 xz00:0100 xz00:0000 xz00:0000 QTest::newRow("overlong-4-5") << QByteArray("\xF8\x80\x84\x80\x80"); // overlong 6: xxxx:xxz0 xz00:0000 xz00:0000 xz00:0100 xz00:0000 xz00:0000 QTest::newRow("overlong-4-6") << QByteArray("\xFC\x80\x80\x84\x80\x80"); } void loadNonCharactersRows() { // Unicode has a couple of "non-characters" that one can use internally // These characters are allowed for text-interchange (see http://www.unicode.org/versions/corrigendum9.html) // // Those are the last two entries each Unicode Plane (U+FFFE, U+FFFF, // U+1FFFE, U+1FFFF, etc.) as well as the entries between U+FDD0 and // U+FDEF (inclusive) // U+FDD0 through U+FDEF for (int i = 0; i < 16; ++i) { char utf8[] = { char(0357), char(0267), char(0220 + i), 0 }; QString utf16 = QChar(0xfdd0 + i); QTest::newRow(qPrintable(QString::number(0xfdd0 + i, 16))) << QByteArray(utf8) << utf16; } // the last two in Planes 1 through 16 for (uint plane = 1; plane <= 16; ++plane) { for (uint lower = 0xfffe; lower < 0x10000; ++lower) { uint ucs4 = (plane << 16) | lower; char utf8[] = { char(0xf0 | uchar(ucs4 >> 18)), char(0x80 | (uchar(ucs4 >> 12) & 0x3f)), char(0x80 | (uchar(ucs4 >> 6) & 0x3f)), char(0x80 | (uchar(ucs4) & 0x3f)), 0 }; const auto utf16 = QChar::fromUcs4(ucs4); QTest::newRow(qPrintable(QString::number(ucs4, 16))) << QByteArray(utf8) << QStringView{utf16}.toString(); } } QTest::newRow("fffe") << QByteArray("\xEF\xBF\xBE") << QString(QChar(0xfffe)); QTest::newRow("ffff") << QByteArray("\xEF\xBF\xBF") << QString(QChar(0xffff)); }