qt 6.5.1 original

tests/auto/corelib/text/qstringbuilder/qstringbuilder1/CMakeLists.txt

@@ -0,0 +1,11 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_qstringbuilder1 Test:
+#####################################################################
+
+qt_internal_add_test(tst_qstringbuilder1
+    SOURCES
+        tst_qstringbuilder1.cpp
+)

tests/auto/corelib/text/qstringbuilder/qstringbuilder1/stringbuilder.cpp

@@ -0,0 +1,363 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+// Do not include anything in this file. We are being #included with
+// a bunch of defines that may break other legitimate code.
+
+#define LITERAL "some literal"
+#define LITERAL_LEN (sizeof(LITERAL)-1)
+#define LITERAL_EXTRA "some literal" "EXTRA"
+
+// "some literal", but replacing all vowels by their umlauted UTF-8 string :)
+#define UTF8_LITERAL "s\xc3\xb6m\xc3\xab l\xc3\xaft\xc3\xabr\xc3\xa4l"
+#define UTF8_LITERAL_LEN (sizeof(UTF8_LITERAL)-1)
+#define UTF8_LITERAL_EXTRA "s\xc3\xb6m\xc3\xab l\xc3\xaft\xc3\xabr\xc3\xa4l" "EXTRA"
+
+// "some literal", but replacing all vocals by their umlauted UTF-8 string :)
+#define UNICODE_LITERAL u"s\u00f6m\u00eb l\u00eft\u00ebr\u00e4l"
+#define UNICODE_LITERAL_LEN ((sizeof(UNICODE_LITERAL) - 1) / 2)
+#define UNICODE_LITERAL_EXTRA u"s\u00f6m\u00eb l\u00eft\u00ebr\u00e4l" "EXTRA"
+
+#ifndef P
+# error You need to define P
+#endif
+
+//fix for gcc4.0: if the operator+ does not exist without QT_USE_FAST_OPERATOR_PLUS
+#ifndef QT_USE_FAST_CONCATENATION
+#define Q %
+#else
+#define Q P
+#endif
+
+template <typename T> QString toQString(const T &t);
+
+template <> QString toQString(const QString &s) { return s; }
+template <> QString toQString(const QStringView &v) { return v.toString(); }
+template <> QString toQString(const QLatin1String &l) { return l; }
+template <> QString toQString(const QLatin1Char &l) { return QChar(l); }
+template <> QString toQString(const QChar &c) { return c; }
+template <> QString toQString(const QChar::SpecialCharacter &c) { return QChar(c); }
+template <> QString toQString(char16_t * const &p) { return QStringView(p).toString(); }
+template <size_t N> QString toQString(const char16_t (&a)[N]) { return QStringView(a).toString(); }
+template <> QString toQString(const char16_t &c) { return QChar(c); }
+
+template <typename T> QByteArray toQByteArray(const T &t);
+
+template <> QByteArray toQByteArray(const QByteArray &b) { return b; }
+template <> QByteArray toQByteArray(char * const &p) { return p; }
+template <size_t N> QByteArray toQByteArray(const char (&a)[N]) { return a; }
+template <> QByteArray toQByteArray(const char &c) { return QByteArray(&c, 1); }
+
+template <typename String, typename Separator>
+void checkItWorksWithFreeSpaceAtBegin(const String &chunk, const Separator &separator)
+{
+    // GIVEN: a String with freeSpaceAtBegin() and less than chunk.size() freeSpaceAtEnd()
+    String str;
+
+    int prepends = 0;
+    const int max_prepends = 10;
+    while (str.data_ptr().freeSpaceAtBegin() < chunk.size() && prepends++ < max_prepends)
+        str.prepend(chunk);
+    QVERIFY(prepends < max_prepends);
+
+    int appends = 0;
+    const int max_appends = 100;
+    while (str.data_ptr().freeSpaceAtEnd() >= chunk.size() && appends++ < max_appends)
+        str.append(chunk);
+    QVERIFY(appends < max_appends);
+
+    QVERIFY(str.capacity() - str.size() >= chunk.size());
+    QVERIFY(str.data_ptr().freeSpaceAtEnd() < chunk.size());
+
+    // WHEN: adding a QStringBuilder expression which exceeds freeSpaceAtEnd()
+    str += separator P chunk;
+
+    // THEN: it doesn't crash (QTBUG-99330)
+    const String expected = chunk.repeated(prepends + appends) + separator + chunk;
+    QCOMPARE(str, expected);
+}
+
+
+void runScenario()
+{
+    // this code is latin1. TODO: replace it with the utf8 block below, once
+    // strings default to utf8.
+    QLatin1String l1string(LITERAL);
+    QString string(l1string);
+    QStringView stringview = QStringView{ string }.mid(2, 10);
+    QLatin1Char lchar('c');
+    QChar qchar(lchar);
+    QChar::SpecialCharacter special(QChar::Nbsp);
+    char16_t u16char = UNICODE_LITERAL[0];
+    char16_t u16chararray[] = { u's', 0xF6, u'm', 0xEB, u' ', u'l', 0xEF, u't', 0xEB, u'r', 0xE4, u'l', 0x00 };
+    QCOMPARE(QStringView(u16chararray), QStringView(UNICODE_LITERAL));
+    char16_t *u16charstar = u16chararray;
+
+#define CHECK(QorP, a1, a2) \
+    do { \
+        DO(QorP, a1, a2); \
+        DO(QorP, a2, a1); \
+    } while (0)
+
+#define DO(QorP, a1, a2) \
+    QCOMPARE(QString(a1 QorP a2), \
+             toQString(a1).append(toQString(a2))) \
+    /* end */
+
+    CHECK(P, l1string, l1string);
+    CHECK(P, l1string, string);
+    CHECK(Q, l1string, stringview);
+    CHECK(P, l1string, lchar);
+    CHECK(P, l1string, qchar);
+    CHECK(P, l1string, special);
+    CHECK(P, l1string, QStringLiteral(LITERAL));
+    CHECK(Q, l1string, u16char);
+    CHECK(Q, l1string, u16chararray);
+    CHECK(Q, l1string, u16charstar);
+
+    CHECK(P, string, string);
+    CHECK(Q, string, stringview);
+    CHECK(P, string, lchar);
+    CHECK(P, string, qchar);
+    CHECK(P, string, special);
+    CHECK(P, string, QStringLiteral(LITERAL));
+    CHECK(Q, string, u16char);
+    CHECK(Q, string, u16chararray);
+    CHECK(Q, string, u16charstar);
+
+    CHECK(Q, stringview, stringview);
+    CHECK(Q, stringview, lchar);
+    CHECK(Q, stringview, qchar);
+    CHECK(Q, stringview, special);
+    CHECK(P, stringview, QStringLiteral(LITERAL));
+    CHECK(Q, stringview, u16char);
+    CHECK(Q, stringview, u16chararray);
+    CHECK(Q, stringview, u16charstar);
+
+    CHECK(P, lchar, lchar);
+    CHECK(P, lchar, qchar);
+    CHECK(P, lchar, special);
+    CHECK(P, lchar, QStringLiteral(LITERAL));
+    CHECK(Q, lchar, u16char);
+    CHECK(Q, lchar, u16chararray);
+    CHECK(Q, lchar, u16charstar);
+
+    CHECK(P, qchar, qchar);
+    CHECK(P, qchar, special);
+    CHECK(P, qchar, QStringLiteral(LITERAL));
+    CHECK(Q, qchar, u16char);
+    CHECK(Q, qchar, u16chararray);
+    CHECK(Q, qchar, u16charstar);
+
+    CHECK(P, special, special);
+    CHECK(P, special, QStringLiteral(LITERAL));
+    CHECK(Q, special, u16char);
+    CHECK(Q, special, u16chararray);
+    CHECK(Q, special, u16charstar);
+
+    CHECK(P, QStringLiteral(LITERAL), QStringLiteral(LITERAL));
+    CHECK(Q, QStringLiteral(LITERAL), u16char);
+    CHECK(Q, QStringLiteral(LITERAL), u16chararray);
+    CHECK(Q, QStringLiteral(LITERAL), u16charstar);
+
+    // CHECK(Q, u16char, u16char);             // BUILTIN <-> BUILTIN cat't be overloaded
+    // CHECK(Q, u16char, u16chararray);
+    // CHECK(Q, u16char, u16charstar);
+
+    // CHECK(Q, u16chararray, u16chararray);   // BUILTIN <-> BUILTIN cat't be overloaded
+    // CHECK(Q, u16chararray, u16charstar);
+
+    // CHECK(Q, u16charstar, u16charstar);     // BUILTIN <-> BUILTIN cat't be overloaded
+
+#undef DO
+
+#define DO(QorP, a1, a2) \
+    QCOMPARE(QByteArray(a1 QorP a2), \
+             toQByteArray(a1).append(toQByteArray(a2))) \
+    /* end */
+
+    QByteArray bytearray = stringview.toUtf8();
+    char *charstar = bytearray.data();
+    char chararray[3] = { 'H', 'i', '\0' };
+    const char constchararray[3] = { 'H', 'i', '\0' };
+    char achar = 'a';
+
+    CHECK(P, bytearray, bytearray);
+    CHECK(P, bytearray, charstar);
+#ifndef Q_CC_MSVC // see QTBUG-65359
+    CHECK(P, bytearray, chararray);
+#else
+    Q_UNUSED(chararray);
+#endif
+    CHECK(P, bytearray, constchararray);
+    CHECK(P, bytearray, achar);
+
+    //CHECK(Q, charstar, charstar);     // BUILTIN <-> BUILTIN cat't be overloaded
+    //CHECK(Q, charstar, chararray);
+    //CHECK(Q, charstar, achar);
+
+    //CHECK(Q, chararray, chararray);   // BUILTIN <-> BUILTIN cat't be overloaded
+    //CHECK(Q, chararray, achar);
+
+    //CHECK(Q, achar, achar);           // BUILTIN <-> BUILTIN cat't be overloaded
+
+#undef DO
+#undef CHECK
+
+    QString r2(QLatin1String(LITERAL LITERAL));
+    QString r3 = QString::fromUtf8(UTF8_LITERAL UTF8_LITERAL);
+    QString r;
+
+    // self-assignment:
+    r = stringview.toString();
+    r = lchar + r;
+    QCOMPARE(r, QString(lchar P stringview));
+
+    r = QStringLiteral(UNICODE_LITERAL);
+    r = r Q QStringLiteral(UNICODE_LITERAL);
+    QCOMPARE(r, r3);
+
+#ifndef QT_NO_CAST_FROM_ASCII
+    r = string P LITERAL;
+    QCOMPARE(r, r2);
+    r = LITERAL P string;
+    QCOMPARE(r, r2);
+
+    QByteArray ba = QByteArray(LITERAL);
+    r = ba P string;
+    QCOMPARE(r, r2);
+    r = string P ba;
+    QCOMPARE(r, r2);
+
+    r = string P QByteArrayLiteral(LITERAL);
+    QCOMPARE(r, r2);
+    r = QByteArrayLiteral(LITERAL) P string;
+    QCOMPARE(r, r2);
+
+    static const char badata[] = LITERAL_EXTRA;
+    ba = QByteArray::fromRawData(badata, LITERAL_LEN);
+    r = ba P string;
+    QCOMPARE(r, r2);
+    r = string P ba;
+    QCOMPARE(r, r2);
+
+    string = QString::fromUtf8(UTF8_LITERAL);
+    ba = UTF8_LITERAL;
+
+    r = string P UTF8_LITERAL;
+    QCOMPARE(r.size(), r3.size());
+    QCOMPARE(r, r3);
+    r = UTF8_LITERAL P string;
+    QCOMPARE(r, r3);
+    r = ba P string;
+    QCOMPARE(r, r3);
+    r = string P ba;
+    QCOMPARE(r, r3);
+
+    ba = QByteArray::fromRawData(UTF8_LITERAL_EXTRA, UTF8_LITERAL_LEN);
+    r = ba P string;
+    QCOMPARE(r, r3);
+    r = string P ba;
+    QCOMPARE(r, r3);
+
+    ba = QByteArray(); // empty
+    r = ba P string;
+    QCOMPARE(r, string);
+    r = string P ba;
+    QCOMPARE(r, string);
+
+    const char *zero = nullptr;
+    r = string P zero;
+    QCOMPARE(r, string);
+    r = zero P string;
+    QCOMPARE(r, string);
+#endif
+
+    string = QString::fromLatin1(LITERAL);
+    QCOMPARE(QByteArray(qPrintable(string P string)), QByteArray(string.toLatin1() + string.toLatin1()));
+
+
+
+    //QByteArray
+    {
+        QByteArray ba = LITERAL;
+        QByteArray superba = ba P ba P LITERAL;
+        QCOMPARE(superba, QByteArray(LITERAL LITERAL LITERAL));
+
+        ba = QByteArrayLiteral(LITERAL);
+        QCOMPARE(ba, QByteArray(LITERAL));
+        superba = ba P QByteArrayLiteral(LITERAL) P LITERAL;
+        QCOMPARE(superba, QByteArray(LITERAL LITERAL LITERAL));
+
+        QByteArray testWith0 = ba P "test\0with\0zero" P ba;
+        QCOMPARE(testWith0, QByteArray(LITERAL "test" LITERAL));
+
+        QByteArray ba2 = ba P '\0' + LITERAL;
+        QCOMPARE(ba2, QByteArray(LITERAL "\0" LITERAL, ba.size()*2+1));
+
+        const char *mmh = "test\0foo";
+        QCOMPARE(QByteArray(ba P mmh P ba), testWith0);
+
+        QByteArray raw = QByteArray::fromRawData(UTF8_LITERAL_EXTRA, UTF8_LITERAL_LEN);
+        QByteArray r = "hello" P raw;
+        QByteArray r2 = "hello" UTF8_LITERAL;
+        QCOMPARE(r, r2);
+        r2 = QByteArray("hello\0") P UTF8_LITERAL;
+        QCOMPARE(r, r2);
+
+        const char *zero = nullptr;
+        r = ba P zero;
+        QCOMPARE(r, ba);
+        r = zero P ba;
+        QCOMPARE(r, ba);
+
+        QByteArrayView qbav = LITERAL;
+        superba = qbav P qbav P LITERAL;
+        QCOMPARE(superba, QByteArray(LITERAL LITERAL LITERAL));
+    }
+
+    //operator QString  +=
+    {
+        QString str = QString::fromUtf8(UTF8_LITERAL);
+        str +=  QLatin1String(LITERAL) P str;
+        QCOMPARE(str, QString::fromUtf8(UTF8_LITERAL LITERAL UTF8_LITERAL));
+#ifndef QT_NO_CAST_FROM_ASCII
+        str = (QString::fromUtf8(UTF8_LITERAL) += QLatin1String(LITERAL) P UTF8_LITERAL);
+        QCOMPARE(str, QString::fromUtf8(UTF8_LITERAL LITERAL UTF8_LITERAL));
+#endif
+
+        QString str2 = QString::fromUtf8(UTF8_LITERAL);
+        QString str2_e = QString::fromUtf8(UTF8_LITERAL);
+        const char * nullData = 0;
+        str2 += QLatin1String(nullData) P str2;
+        str2_e += QLatin1String("") P str2_e;
+        QCOMPARE(str2, str2_e);
+    }
+
+    checkItWorksWithFreeSpaceAtBegin(QString::fromUtf8(UTF8_LITERAL),
+                                 #ifdef QT_NO_CAST_FROM_ASCII
+                                     QLatin1String("1234")
+                                 #else
+                                     "1234"
+                                 #endif
+                                     );
+    if (QTest::currentTestFailed())
+        return;
+
+    //operator QByteArray  +=
+    {
+        QByteArray ba = UTF8_LITERAL;
+        ba +=  QByteArray(LITERAL) P UTF8_LITERAL;
+        QCOMPARE(ba, QByteArray(UTF8_LITERAL LITERAL UTF8_LITERAL));
+        ba += LITERAL P QByteArray::fromRawData(UTF8_LITERAL_EXTRA, UTF8_LITERAL_LEN);
+        QCOMPARE(ba, QByteArray(UTF8_LITERAL LITERAL UTF8_LITERAL LITERAL UTF8_LITERAL));
+        QByteArray withZero = QByteArray(LITERAL "\0" LITERAL, LITERAL_LEN*2+1);
+        QByteArray ba2 = withZero;
+        ba2 += ba2 P withZero;
+        QCOMPARE(ba2, QByteArray(withZero + withZero + withZero));
+    }
+
+    checkItWorksWithFreeSpaceAtBegin(QByteArray(UTF8_LITERAL), "1234");
+    if (QTest::currentTestFailed())
+        return;
+}

tests/auto/corelib/text/qstringbuilder/qstringbuilder1/tst_qstringbuilder1.cpp

@@ -0,0 +1,36 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QtCore/qglobal.h>
+
+// SCENARIO 1
+// this is the "no harm done" version. Only operator% is active,
+// with NO_CAST * defined
+#undef QT_USE_QSTRINGBUILDER
+#define QT_NO_CAST_FROM_ASCII
+#define QT_NO_CAST_TO_ASCII
+
+#include <QtCore/QObject>
+#include <QtCore/QString>
+#include <QtCore/QStringBuilder>
+#include <QtTest/QTest>
+
+#define LITERAL "some literal"
+
+void runScenario(); // Defined in stringbuilder.cpp #included below.
+
+class tst_QStringBuilder1 : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void scenario() { runScenario(); }
+};
+
+#define P %
+#include "stringbuilder.cpp"
+#undef P
+
+#include "tst_qstringbuilder1.moc"
+
+QTEST_APPLESS_MAIN(tst_QStringBuilder1)