diff options
| -rw-r--r-- | src/corelib/tools/qstring.cpp | 44 | ||||
| -rw-r--r-- | src/corelib/tools/qstring.h | 3 | ||||
| -rw-r--r-- | tests/auto/corelib/tools/qstring/tst_qstring.cpp | 42 |
3 files changed, 89 insertions, 0 deletions
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp index 4040d59b0a..1e676365b0 100644 --- a/src/corelib/tools/qstring.cpp +++ b/src/corelib/tools/qstring.cpp @@ -4896,6 +4896,50 @@ bool QString::endsWith(QChar c, Qt::CaseSensitivity cs) const return qt_ends_with(*this, c, cs); } +/*! + Returns \c true if the string only contains uppercase letters, + otherwise returns \c false. + \since 5.12 + + \sa QChar::isUpper(), isLower() +*/ +bool QString::isUpper() const +{ + if (isEmpty()) + return false; + + const QChar *d = data(); + + for (int i = 0, max = size(); i < max; ++i) { + if (!d[i].isUpper()) + return false; + } + + return true; +} + +/*! + Returns \c true if the string only contains lowercase letters, + otherwise returns \c false. + \since 5.12 + + \sa QChar::isLower(), isUpper() + */ +bool QString::isLower() const +{ + if (isEmpty()) + return false; + + const QChar *d = data(); + + for (int i = 0, max = size(); i < max; ++i) { + if (!d[i].isLower()) + return false; + } + + return true; +} + static QByteArray qt_convert_to_latin1(QStringView string); QByteArray QString::toLatin1_helper(const QString &string) diff --git a/src/corelib/tools/qstring.h b/src/corelib/tools/qstring.h index 0138ae4098..d93891248f 100644 --- a/src/corelib/tools/qstring.h +++ b/src/corelib/tools/qstring.h @@ -409,6 +409,9 @@ public: bool endsWith(QLatin1String s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const; bool endsWith(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const; + bool isUpper() const; + bool isLower() const; + Q_REQUIRED_RESULT QString leftJustified(int width, QChar fill = QLatin1Char(' '), bool trunc = false) const; Q_REQUIRED_RESULT QString rightJustified(int width, QChar fill = QLatin1Char(' '), bool trunc = false) const; diff --git a/tests/auto/corelib/tools/qstring/tst_qstring.cpp b/tests/auto/corelib/tools/qstring/tst_qstring.cpp index 90cd70f43e..c22998f804 100644 --- a/tests/auto/corelib/tools/qstring/tst_qstring.cpp +++ b/tests/auto/corelib/tools/qstring/tst_qstring.cpp @@ -452,6 +452,8 @@ private slots: void trimmed(); void toUpper(); void toLower(); + void isUpper(); + void isLower(); void toCaseFolded(); void rightJustified(); void leftJustified(); @@ -2316,6 +2318,46 @@ void tst_QString::toLower() #endif } +void tst_QString::isUpper() +{ + QVERIFY(!QString().isUpper()); + QVERIFY(!QString("").isUpper()); + QVERIFY(QString("TEXT").isUpper()); + QVERIFY(!QString("text").isUpper()); + QVERIFY(!QString("Text").isUpper()); + QVERIFY(!QString("tExt").isUpper()); + QVERIFY(!QString("teXt").isUpper()); + QVERIFY(!QString("texT").isUpper()); + QVERIFY(!QString("TExt").isUpper()); + QVERIFY(!QString("teXT").isUpper()); + QVERIFY(!QString("tEXt").isUpper()); + QVERIFY(!QString("tExT").isUpper()); + QVERIFY(!QString("@ABYZ[").isUpper()); + QVERIFY(!QString("@abyz[").isUpper()); + QVERIFY(!QString("`ABYZ{").isUpper()); + QVERIFY(!QString("`abyz{").isUpper()); +} + +void tst_QString::isLower() +{ + QVERIFY(!QString().isLower()); + QVERIFY(!QString("").isLower()); + QVERIFY(QString("text").isLower()); + QVERIFY(!QString("Text").isLower()); + QVERIFY(!QString("tExt").isLower()); + QVERIFY(!QString("teXt").isLower()); + QVERIFY(!QString("texT").isLower()); + QVERIFY(!QString("TExt").isLower()); + QVERIFY(!QString("teXT").isLower()); + QVERIFY(!QString("tEXt").isLower()); + QVERIFY(!QString("tExT").isLower()); + QVERIFY(!QString("TEXT").isLower()); + QVERIFY(!QString("@ABYZ[").isLower()); + QVERIFY(!QString("@abyz[").isLower()); + QVERIFY(!QString("`ABYZ{").isLower()); + QVERIFY(!QString("`abyz{").isLower()); +} + void tst_QString::toCaseFolded() { QCOMPARE( QString().toCaseFolded(), QString() ); |