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-rw-r--r--tests/auto/corelib/tools/qstringapisymmetry/tst_qstringapisymmetry.cpp780
1 files changed, 779 insertions, 1 deletions
diff --git a/tests/auto/corelib/tools/qstringapisymmetry/tst_qstringapisymmetry.cpp b/tests/auto/corelib/tools/qstringapisymmetry/tst_qstringapisymmetry.cpp
index 9d9b47b61e..e482b409a5 100644
--- a/tests/auto/corelib/tools/qstringapisymmetry/tst_qstringapisymmetry.cpp
+++ b/tests/auto/corelib/tools/qstringapisymmetry/tst_qstringapisymmetry.cpp
@@ -31,6 +31,7 @@
#undef QT_ASCII_CAST_WARNINGS
#include <QString>
+#include <QStringView>
#include <QChar>
#include <QStringRef>
#include <QLatin1String>
@@ -44,6 +45,7 @@ Q_DECLARE_METATYPE(QStringRef)
template <typename T>
QString toQString(const T &t) { return QString(t); }
QString toQString(const QStringRef &ref) { return ref.toString(); }
+QString toQString(QStringView view) { return view.toString(); }
// FIXME: these are missing at the time of writing, add them, then remove the dummies here:
#define MAKE_RELOP(op, A1, A2) \
@@ -81,13 +83,15 @@ class tst_QStringApiSymmetry : public QObject
void compare_impl() const;
private Q_SLOTS:
- // test all combinations of {QChar, QStringRef, QString, QLatin1String, QByteArray, const char*}
+ // test all combinations of {QChar, QStringRef, QString, QStringView, QLatin1String, QByteArray, const char*}
void compare_QChar_QChar_data() { compare_data(false); }
void compare_QChar_QChar() { compare_impl<QChar, QChar>(); }
void compare_QChar_QStringRef_data() { compare_data(false); }
void compare_QChar_QStringRef() { compare_impl<QChar, QStringRef>(); }
void compare_QChar_QString_data() { compare_data(false); }
void compare_QChar_QString() { compare_impl<QChar, QString>(); }
+ void compare_QChar_QStringView_data() { compare_data(false); }
+ void compare_QChar_QStringView() { compare_impl<QChar, QStringView>(); }
void compare_QChar_QLatin1String_data() { compare_data(false); }
void compare_QChar_QLatin1String() { compare_impl<QChar, QLatin1String>(); }
void compare_QChar_QByteArray_data() { compare_data(false); }
@@ -101,6 +105,8 @@ private Q_SLOTS:
void compare_QStringRef_QStringRef() { compare_impl<QStringRef, QStringRef>(); }
void compare_QStringRef_QString_data() { compare_data(); }
void compare_QStringRef_QString() { compare_impl<QStringRef, QString>(); }
+ void compare_QStringRef_QStringView_data() { compare_data(); }
+ void compare_QStringRef_QStringView() { compare_impl<QStringRef, QStringView>(); }
void compare_QStringRef_QLatin1String_data() { compare_data(); }
void compare_QStringRef_QLatin1String() { compare_impl<QStringRef, QLatin1String>(); }
void compare_QStringRef_QByteArray_data() { compare_data(); }
@@ -114,6 +120,8 @@ private Q_SLOTS:
void compare_QString_QStringRef() { compare_impl<QString, QStringRef>(); }
void compare_QString_QString_data() { compare_data(); }
void compare_QString_QString() { compare_impl<QString, QString>(); }
+ void compare_QString_QStringView_data() { compare_data(); }
+ void compare_QString_QStringView() { compare_impl<QString, QStringView>(); }
void compare_QString_QLatin1String_data() { compare_data(); }
void compare_QString_QLatin1String() { compare_impl<QString, QLatin1String>(); }
void compare_QString_QByteArray_data() { compare_data(); }
@@ -121,12 +129,25 @@ private Q_SLOTS:
void compare_QString_const_char_star_data() { compare_data(); }
void compare_QString_const_char_star() { compare_impl<QString, const char *>(); }
+ void compare_QStringView_QChar_data() { compare_data(false); }
+ void compare_QStringView_QChar() { compare_impl<QStringView, QChar>(); }
+ void compare_QStringView_QStringRef_data() { compare_data(); }
+ void compare_QStringView_QStringRef() { compare_impl<QStringView, QStringRef>(); }
+ void compare_QStringView_QString_data() { compare_data(); }
+ void compare_QStringView_QString() { compare_impl<QStringView, QString>(); }
+ void compare_QStringView_QStringView_data() { compare_data(); }
+ void compare_QStringView_QStringView() { compare_impl<QStringView, QStringView>(); }
+ void compare_QStringView_QLatin1String_data() { compare_data(); }
+ void compare_QStringView_QLatin1String() { compare_impl<QStringView, QLatin1String>(); }
+
void compare_QLatin1String_QChar_data() { compare_data(false); }
void compare_QLatin1String_QChar() { compare_impl<QLatin1String, QChar>(); }
void compare_QLatin1String_QStringRef_data() { compare_data(); }
void compare_QLatin1String_QStringRef() { compare_impl<QLatin1String, QStringRef>(); }
void compare_QLatin1String_QString_data() { compare_data(); }
void compare_QLatin1String_QString() { compare_impl<QLatin1String, QString>(); }
+ void compare_QLatin1String_QStringView_data() { compare_data(); }
+ void compare_QLatin1String_QStringView() { compare_impl<QLatin1String, QStringView>(); }
void compare_QLatin1String_QLatin1String_data() { compare_data(); }
void compare_QLatin1String_QLatin1String() { compare_impl<QLatin1String, QLatin1String>(); }
void compare_QLatin1String_QByteArray_data() { compare_data(); }
@@ -160,6 +181,181 @@ private Q_SLOTS:
//void compare_const_char_star_const_char_star_data() { compare_data(); }
//void compare_const_char_star_const_char_star() { compare_impl<const char *, const char *>(); }
+private:
+ void startsWith_data(bool rhsIsQChar = false);
+ template <typename Haystack, typename Needle> void startsWith_impl() const;
+
+ void endsWith_data(bool rhsIsQChar = false);
+ template <typename Haystack, typename Needle> void endsWith_impl() const;
+
+private Q_SLOTS:
+ // test all combinations of {QString, QStringRef, QStringView, QLatin1String} x {QString, QStringRef, QStringView, QLatin1String, QChar}:
+ void startsWith_QString_QString_data() { startsWith_data(); }
+ void startsWith_QString_QString() { startsWith_impl<QString, QString>(); }
+ void startsWith_QString_QStringRef_data() { startsWith_data(); }
+ void startsWith_QString_QStringRef() { startsWith_impl<QString, QStringRef>(); }
+ void startsWith_QString_QStringView_data() { startsWith_data(); }
+ void startsWith_QString_QStringView() { startsWith_impl<QString, QStringView>(); }
+ void startsWith_QString_QLatin1String_data() { startsWith_data(); }
+ void startsWith_QString_QLatin1String() { startsWith_impl<QString, QLatin1String>(); }
+ void startsWith_QString_QChar_data() { startsWith_data(false); }
+ void startsWith_QString_QChar() { startsWith_impl<QString, QChar>(); }
+
+ void startsWith_QStringRef_QString_data() { startsWith_data(); }
+ void startsWith_QStringRef_QString() { startsWith_impl<QStringRef, QString>(); }
+ void startsWith_QStringRef_QStringRef_data() { startsWith_data(); }
+ void startsWith_QStringRef_QStringRef() { startsWith_impl<QStringRef, QStringRef>(); }
+ void startsWith_QStringRef_QStringView_data() { startsWith_data(); }
+ void startsWith_QStringRef_QStringView() { startsWith_impl<QStringRef, QStringView>(); }
+ void startsWith_QStringRef_QLatin1String_data() { startsWith_data(); }
+ void startsWith_QStringRef_QLatin1String() { startsWith_impl<QStringRef, QLatin1String>(); }
+ void startsWith_QStringRef_QChar_data() { startsWith_data(false); }
+ void startsWith_QStringRef_QChar() { startsWith_impl<QStringRef, QChar>(); }
+
+ void startsWith_QStringView_QString_data() { startsWith_data(); }
+ void startsWith_QStringView_QString() { startsWith_impl<QStringView, QString>(); }
+ void startsWith_QStringView_QStringRef_data() { startsWith_data(); }
+ void startsWith_QStringView_QStringRef() { startsWith_impl<QStringView, QStringRef>(); }
+ void startsWith_QStringView_QStringView_data() { startsWith_data(); }
+ void startsWith_QStringView_QStringView() { startsWith_impl<QStringView, QStringView>(); }
+ void startsWith_QStringView_QLatin1String_data() { startsWith_data(); }
+ void startsWith_QStringView_QLatin1String() { startsWith_impl<QStringView, QLatin1String>(); }
+ void startsWith_QStringView_QChar_data() { startsWith_data(false); }
+ void startsWith_QStringView_QChar() { startsWith_impl<QStringView, QChar>(); }
+
+ void startsWith_QLatin1String_QString_data() { startsWith_data(); }
+ void startsWith_QLatin1String_QString() { startsWith_impl<QLatin1String, QString>(); }
+ void startsWith_QLatin1String_QStringRef_data() { startsWith_data(); }
+ void startsWith_QLatin1String_QStringRef() { startsWith_impl<QLatin1String, QStringRef>(); }
+ void startsWith_QLatin1String_QStringView_data() { startsWith_data(); }
+ void startsWith_QLatin1String_QStringView() { startsWith_impl<QLatin1String, QStringView>(); }
+ void startsWith_QLatin1String_QLatin1String_data() { startsWith_data(); }
+ void startsWith_QLatin1String_QLatin1String() { startsWith_impl<QLatin1String, QLatin1String>(); }
+ void startsWith_QLatin1String_QChar_data() { startsWith_data(false); }
+ void startsWith_QLatin1String_QChar() { startsWith_impl<QLatin1String, QChar>(); }
+
+ void endsWith_QString_QString_data() { endsWith_data(); }
+ void endsWith_QString_QString() { endsWith_impl<QString, QString>(); }
+ void endsWith_QString_QStringRef_data() { endsWith_data(); }
+ void endsWith_QString_QStringRef() { endsWith_impl<QString, QStringRef>(); }
+ void endsWith_QString_QStringView_data() { endsWith_data(); }
+ void endsWith_QString_QStringView() { endsWith_impl<QString, QStringView>(); }
+ void endsWith_QString_QLatin1String_data() { endsWith_data(); }
+ void endsWith_QString_QLatin1String() { endsWith_impl<QString, QLatin1String>(); }
+ void endsWith_QString_QChar_data() { endsWith_data(false); }
+ void endsWith_QString_QChar() { endsWith_impl<QString, QChar>(); }
+
+ void endsWith_QStringRef_QString_data() { endsWith_data(); }
+ void endsWith_QStringRef_QString() { endsWith_impl<QStringRef, QString>(); }
+ void endsWith_QStringRef_QStringRef_data() { endsWith_data(); }
+ void endsWith_QStringRef_QStringRef() { endsWith_impl<QStringRef, QStringRef>(); }
+ void endsWith_QStringRef_QStringView_data() { endsWith_data(); }
+ void endsWith_QStringRef_QStringView() { endsWith_impl<QStringRef, QStringView>(); }
+ void endsWith_QStringRef_QLatin1String_data() { endsWith_data(); }
+ void endsWith_QStringRef_QLatin1String() { endsWith_impl<QStringRef, QLatin1String>(); }
+ void endsWith_QStringRef_QChar_data() { endsWith_data(false); }
+ void endsWith_QStringRef_QChar() { endsWith_impl<QStringRef, QChar>(); }
+
+ void endsWith_QStringView_QString_data() { endsWith_data(); }
+ void endsWith_QStringView_QString() { endsWith_impl<QStringView, QString>(); }
+ void endsWith_QStringView_QStringRef_data() { endsWith_data(); }
+ void endsWith_QStringView_QStringRef() { endsWith_impl<QStringView, QStringRef>(); }
+ void endsWith_QStringView_QStringView_data() { endsWith_data(); }
+ void endsWith_QStringView_QStringView() { endsWith_impl<QStringView, QStringView>(); }
+ void endsWith_QStringView_QLatin1String_data() { endsWith_data(); }
+ void endsWith_QStringView_QLatin1String() { endsWith_impl<QStringView, QLatin1String>(); }
+ void endsWith_QStringView_QChar_data() { endsWith_data(false); }
+ void endsWith_QStringView_QChar() { endsWith_impl<QStringView, QChar>(); }
+
+ void endsWith_QLatin1String_QString_data() { endsWith_data(); }
+ void endsWith_QLatin1String_QString() { endsWith_impl<QLatin1String, QString>(); }
+ void endsWith_QLatin1String_QStringRef_data() { endsWith_data(); }
+ void endsWith_QLatin1String_QStringRef() { endsWith_impl<QLatin1String, QStringRef>(); }
+ void endsWith_QLatin1String_QStringView_data() { endsWith_data(); }
+ void endsWith_QLatin1String_QStringView() { endsWith_impl<QLatin1String, QStringView>(); }
+ void endsWith_QLatin1String_QLatin1String_data() { endsWith_data(); }
+ void endsWith_QLatin1String_QLatin1String() { endsWith_impl<QLatin1String, QLatin1String>(); }
+ void endsWith_QLatin1String_QChar_data() { endsWith_data(false); }
+ void endsWith_QLatin1String_QChar() { endsWith_impl<QLatin1String, QChar>(); }
+
+private:
+ void mid_data();
+ template <typename String> void mid_impl();
+
+ void left_data();
+ template <typename String> void left_impl();
+
+ void right_data();
+ template <typename String> void right_impl();
+
+ void chop_data();
+ template <typename String> void chop_impl();
+
+ void truncate_data() { left_data(); }
+ template <typename String> void truncate_impl();
+
+private Q_SLOTS:
+
+ void mid_QString_data() { mid_data(); }
+ void mid_QString() { mid_impl<QString>(); }
+ void mid_QStringRef_data() { mid_data(); }
+ void mid_QStringRef() { mid_impl<QStringRef>(); }
+ void mid_QStringView_data() { mid_data(); }
+ void mid_QStringView() { mid_impl<QStringView>(); }
+ void mid_QLatin1String_data() { mid_data(); }
+ void mid_QLatin1String() { mid_impl<QLatin1String>(); }
+ void mid_QByteArray_data() { mid_data(); }
+ void mid_QByteArray() { mid_impl<QByteArray>(); }
+
+ void left_truncate_QString_data() { left_data(); }
+ void left_truncate_QString() { left_impl<QString>(); }
+ void left_truncate_QStringRef_data() { left_data(); }
+ void left_truncate_QStringRef() { left_impl<QStringRef>(); }
+ void left_truncate_QStringView_data() { left_data(); }
+ void left_truncate_QStringView() { left_impl<QStringView>(); }
+ void left_truncate_QLatin1String_data() { left_data(); }
+ void left_truncate_QLatin1String() { left_impl<QLatin1String>(); }
+ void left_truncate_QByteArray_data() { left_data(); }
+ void left_truncate_QByteArray() { left_impl<QByteArray>(); }
+
+ void right_QString_data() { right_data(); }
+ void right_QString() { right_impl<QString>(); }
+ void right_QStringRef_data() { right_data(); }
+ void right_QStringRef() { right_impl<QStringRef>(); }
+ void right_QStringView_data() { right_data(); }
+ void right_QStringView() { right_impl<QStringView>(); }
+ void right_QLatin1String_data() { right_data(); }
+ void right_QLatin1String() { right_impl<QLatin1String>(); }
+ void right_QByteArray_data() { right_data(); }
+ void right_QByteArray() { right_impl<QByteArray>(); }
+
+ void chop_QString_data() { chop_data(); }
+ void chop_QString() { chop_impl<QString>(); }
+ void chop_QStringRef_data() { chop_data(); }
+ void chop_QStringRef() { chop_impl<QStringRef>(); }
+ void chop_QStringView_data() { chop_data(); }
+ void chop_QStringView() { chop_impl<QStringView>(); }
+ void chop_QLatin1String_data() { chop_data(); }
+ void chop_QLatin1String() { chop_impl<QLatin1String>(); }
+ void chop_QByteArray_data() { chop_data(); }
+ void chop_QByteArray() { chop_impl<QByteArray>(); }
+
+private:
+ void trimmed_data();
+ template <typename String> void trimmed_impl();
+
+private Q_SLOTS:
+ void trim_trimmed_QString_data() { trimmed_data(); }
+ void trim_trimmed_QString() { trimmed_impl<QString>(); }
+ void trim_trimmed_QStringRef_data() { trimmed_data(); }
+ void trim_trimmed_QStringRef() { trimmed_impl<QStringRef>(); }
+ void trim_trimmed_QStringView_data() { trimmed_data(); }
+ void trim_trimmed_QStringView() { trimmed_impl<QStringView>(); }
+ void trim_trimmed_QLatin1String_data() { trimmed_data(); }
+ void trim_trimmed_QLatin1String() { trimmed_impl<QLatin1String>(); }
+ void trim_trimmed_QByteArray_data() { trimmed_data(); }
+ void trim_trimmed_QByteArray() { trimmed_impl<QByteArray>(); }
+
//
// UTF-16-only checks:
//
@@ -183,21 +379,29 @@ private Q_SLOTS:
void toLocal8Bit_QString() { toLocal8Bit_impl<QString>(); }
void toLocal8Bit_QStringRef_data() { toLocal8Bit_data(); }
void toLocal8Bit_QStringRef() { toLocal8Bit_impl<QStringRef>(); }
+ void toLocal8Bit_QStringView_data() { toLocal8Bit_data(); }
+ void toLocal8Bit_QStringView() { toLocal8Bit_impl<QStringView>(); }
void toLatin1_QString_data() { toLatin1_data(); }
void toLatin1_QString() { toLatin1_impl<QString>(); }
void toLatin1_QStringRef_data() { toLatin1_data(); }
void toLatin1_QStringRef() { toLatin1_impl<QStringRef>(); }
+ void toLatin1_QStringView_data() { toLatin1_data(); }
+ void toLatin1_QStringView() { toLatin1_impl<QStringView>(); }
void toUtf8_QString_data() { toUtf8_data(); }
void toUtf8_QString() { toUtf8_impl<QString>(); }
void toUtf8_QStringRef_data() { toUtf8_data(); }
void toUtf8_QStringRef() { toUtf8_impl<QStringRef>(); }
+ void toUtf8_QStringView_data() { toUtf8_data(); }
+ void toUtf8_QStringView() { toUtf8_impl<QStringView>(); }
void toUcs4_QString_data() { toUcs4_data(); }
void toUcs4_QString() { toUcs4_impl<QString>(); }
void toUcs4_QStringRef_data() { toUcs4_data(); }
void toUcs4_QStringRef() { toUcs4_impl<QStringRef>(); }
+ void toUcs4_QStringView_data() { toUcs4_data(); }
+ void toUcs4_QStringView() { toUcs4_impl<QStringView>(); }
};
void tst_QStringApiSymmetry::compare_data(bool hasConceptOfNullAndEmpty)
@@ -217,6 +421,9 @@ void tst_QStringApiSymmetry::compare_data(bool hasConceptOfNullAndEmpty)
QTest::newRow("null <> empty") << QStringRef() << QLatin1String()
<< QStringRef(&empty) << QLatin1String("")
<< 0 << 0;
+ QTest::newRow("empty <> null") << QStringRef(&empty) << QLatin1String("")
+ << QStringRef() << QLatin1String()
+ << 0 << 0;
}
#define ROW(lhs, rhs) \
@@ -239,10 +446,20 @@ void tst_QStringApiSymmetry::compare_data(bool hasConceptOfNullAndEmpty)
#undef ROW
}
+template <typename String> String detached(String s)
+{
+ if (!s.isNull()) { // detaching loses nullness, but we need to preserve it
+ auto d = s.data();
+ Q_UNUSED(d);
+ }
+ return s;
+}
+
template <class Str> Str make(const QStringRef &sf, QLatin1String l1, const QByteArray &u8);
template <> QChar make(const QStringRef &sf, QLatin1String, const QByteArray &) { return sf.isEmpty() ? QChar() : sf.at(0); }
template <> QStringRef make(const QStringRef &sf, QLatin1String, const QByteArray &) { return sf; }
template <> QString make(const QStringRef &sf, QLatin1String, const QByteArray &) { return sf.toString(); }
+template <> QStringView make(const QStringRef &sf, QLatin1String, const QByteArray &) { return sf; }
template <> QLatin1String make(const QStringRef &, QLatin1String l1, const QByteArray &) { return l1; }
template <> QByteArray make(const QStringRef &, QLatin1String, const QByteArray &u8) { return u8; }
template <> const char * make(const QStringRef &, QLatin1String, const QByteArray &u8) { return u8.data(); }
@@ -260,6 +477,38 @@ struct has_nothrow_compare {
};
template <typename LHS, typename RHS>
+struct has_qCompareStrings {
+ enum { value = !std::is_same<LHS, QChar>::value && !std::is_same<RHS, QChar>::value &&
+ !is_utf8_encoded<LHS>::value && !is_utf8_encoded<RHS>::value };
+};
+
+template <typename LHS, typename RHS>
+using if_has_qCompareStrings = typename std::enable_if<has_qCompareStrings<LHS, RHS>::value, bool>::type;
+
+template <typename LHS, typename RHS>
+using if_lacks_qCompareStrings = typename std::enable_if<!has_qCompareStrings<LHS, RHS>::value, bool>::type;
+
+static inline Q_DECL_CONSTEXPR int sign(int x) Q_DECL_NOTHROW
+{
+ return x < 0 ? -1 :
+ x > 0 ? +1 :
+ /*else*/ 0 ;
+}
+
+template <typename LHS, typename RHS, if_has_qCompareStrings<LHS, RHS> = true>
+int qCompareStringsWrapper(const LHS &lhs, const RHS &rhs, Qt::CaseSensitivity cs, int)
+ Q_DECL_NOEXCEPT_EXPR(noexcept(qCompareStrings(lhs, rhs, cs)))
+{
+ return qCompareStrings(lhs, rhs, cs);
+}
+
+template <typename LHS, typename RHS, if_lacks_qCompareStrings<LHS, RHS> = true>
+int qCompareStringsWrapper(const LHS &, const RHS &, Qt::CaseSensitivity, int result)
+{
+ return result;
+}
+
+template <typename LHS, typename RHS>
void tst_QStringApiSymmetry::compare_impl() const
{
QFETCH(QStringRef, lhsUnicode);
@@ -267,6 +516,7 @@ void tst_QStringApiSymmetry::compare_impl() const
QFETCH(QStringRef, rhsUnicode);
QFETCH(QLatin1String, rhsLatin1);
QFETCH(int, caseSensitiveCompareResult);
+ QFETCH(const int, caseInsensitiveCompareResult);
const auto lhsU8 = lhsUnicode.toUtf8();
const auto rhsU8 = rhsUnicode.toUtf8();
@@ -283,6 +533,10 @@ void tst_QStringApiSymmetry::compare_impl() const
# define QVERIFY_NOEXCEPT(expr)
#endif
+ QCOMPARE(sign(qCompareStringsWrapper(lhs, rhs, Qt::CaseSensitive, caseSensitiveCompareResult)),
+ sign(caseSensitiveCompareResult));
+ QCOMPARE(sign(qCompareStringsWrapper(lhs, rhs, Qt::CaseInsensitive, caseInsensitiveCompareResult)),
+ sign(caseInsensitiveCompareResult));
#define CHECK(op) \
QVERIFY_NOEXCEPT(lhs op rhs); \
do { if (caseSensitiveCompareResult op 0) { \
@@ -300,6 +554,529 @@ void tst_QStringApiSymmetry::compare_impl() const
#undef CHECK
}
+static QString empty = QLatin1String("");
+// the tests below rely on the fact that these objects' names match their contents:
+static QString a = QStringLiteral("a");
+static QString A = QStringLiteral("A");
+static QString b = QStringLiteral("b");
+static QString B = QStringLiteral("B");
+static QString c = QStringLiteral("c");
+static QString C = QStringLiteral("C");
+static QString ab = QStringLiteral("ab");
+static QString aB = QStringLiteral("aB");
+static QString Ab = QStringLiteral("Ab");
+static QString AB = QStringLiteral("AB");
+static QString bc = QStringLiteral("bc");
+static QString bC = QStringLiteral("bC");
+static QString Bc = QStringLiteral("Bc");
+static QString BC = QStringLiteral("BC");
+static QString abc = QStringLiteral("abc");
+static QString abC = QStringLiteral("abC");
+static QString aBc = QStringLiteral("aBc");
+static QString aBC = QStringLiteral("aBC");
+static QString Abc = QStringLiteral("Abc");
+static QString AbC = QStringLiteral("AbC");
+static QString ABc = QStringLiteral("ABc");
+static QString ABC = QStringLiteral("ABC");
+
+void tst_QStringApiSymmetry::startsWith_data(bool rhsHasVariableLength)
+{
+ QTest::addColumn<QStringRef>("haystackU16");
+ QTest::addColumn<QLatin1String>("haystackL1");
+ QTest::addColumn<QStringRef>("needleU16");
+ QTest::addColumn<QLatin1String>("needleL1");
+ QTest::addColumn<bool>("resultCS");
+ QTest::addColumn<bool>("resultCIS");
+
+ if (rhsHasVariableLength) {
+ QTest::addRow("null ~= ^null") << QStringRef() << QLatin1String()
+ << QStringRef() << QLatin1String() << true << true;
+ QTest::addRow("empty ~= ^null") << QStringRef(&empty) << QLatin1String("")
+ << QStringRef() << QLatin1String() << true << true;
+ QTest::addRow("a ~= ^null") << QStringRef(&a) << QLatin1String("a")
+ << QStringRef() << QLatin1String() << true << true;
+ QTest::addRow("null ~= ^empty") << QStringRef() << QLatin1String()
+ << QStringRef(&empty) << QLatin1String("") << false << false;
+ QTest::addRow("a ~= ^empty") << QStringRef(&a) << QLatin1String("a")
+ << QStringRef(&empty) << QLatin1String("") << true << true;
+ QTest::addRow("empty ~= ^empty") << QStringRef(&empty) << QLatin1String("")
+ << QStringRef(&empty) << QLatin1String("") << true << true;
+ }
+ QTest::addRow("null ~= ^a") << QStringRef() << QLatin1String()
+ << QStringRef(&a) << QLatin1String("a") << false << false;
+ QTest::addRow("empty ~= ^a") << QStringRef(&empty) << QLatin1String("")
+ << QStringRef(&a) << QLatin1String("a") << false << false;
+
+#define ROW(h, n, cs, cis) \
+ QTest::addRow("%s ~= ^%s", #h, #n) << QStringRef(&h) << QLatin1String(#h) \
+ << QStringRef(&n) << QLatin1String(#n) \
+ << bool(cs) << bool(cis)
+ ROW(a, a, 1, 1);
+ ROW(a, A, 0, 1);
+ ROW(a, b, 0, 0);
+
+ if (rhsHasVariableLength)
+ ROW(a, aB, 0, 0);
+
+ ROW(ab, a, 1, 1);
+ if (rhsHasVariableLength) {
+ ROW(ab, ab, 1, 1);
+ ROW(ab, aB, 0, 1);
+ ROW(ab, Ab, 0, 1);
+ }
+ ROW(ab, c, 0, 0);
+
+ if (rhsHasVariableLength)
+ ROW(ab, abc, 0, 0);
+
+ ROW(Abc, c, 0, 0);
+ if (rhsHasVariableLength) {
+ ROW(Abc, ab, 0, 1);
+ ROW(Abc, aB, 0, 1);
+ ROW(Abc, Ab, 1, 1);
+ ROW(Abc, AB, 0, 1);
+ ROW(aBC, ab, 0, 1);
+ ROW(aBC, aB, 1, 1);
+ ROW(aBC, Ab, 0, 1);
+ ROW(aBC, AB, 0, 1);
+ }
+ ROW(ABC, b, 0, 0);
+ ROW(ABC, a, 0, 1);
+#undef ROW
+}
+
+template <typename Haystack, typename Needle>
+void tst_QStringApiSymmetry::startsWith_impl() const
+{
+ QFETCH(const QStringRef, haystackU16);
+ QFETCH(const QLatin1String, haystackL1);
+ QFETCH(const QStringRef, needleU16);
+ QFETCH(const QLatin1String, needleL1);
+ QFETCH(const bool, resultCS);
+ QFETCH(const bool, resultCIS);
+
+ const auto haystackU8 = haystackU16.toUtf8();
+ const auto needleU8 = needleU16.toUtf8();
+
+ const auto haystack = make<Haystack>(haystackU16, haystackL1, haystackU8);
+ const auto needle = make<Needle>(needleU16, needleL1, needleU8);
+
+ QCOMPARE(haystack.startsWith(needle), resultCS);
+ QCOMPARE(haystack.startsWith(needle, Qt::CaseSensitive), resultCS);
+ QCOMPARE(haystack.startsWith(needle, Qt::CaseInsensitive), resultCIS);
+}
+
+void tst_QStringApiSymmetry::endsWith_data(bool rhsHasVariableLength)
+{
+ QTest::addColumn<QStringRef>("haystackU16");
+ QTest::addColumn<QLatin1String>("haystackL1");
+ QTest::addColumn<QStringRef>("needleU16");
+ QTest::addColumn<QLatin1String>("needleL1");
+ QTest::addColumn<bool>("resultCS");
+ QTest::addColumn<bool>("resultCIS");
+
+ if (rhsHasVariableLength) {
+ QTest::addRow("null ~= null$") << QStringRef() << QLatin1String()
+ << QStringRef() << QLatin1String() << true << true;
+ QTest::addRow("empty ~= null$") << QStringRef(&empty) << QLatin1String("")
+ << QStringRef() << QLatin1String() << true << true;
+ QTest::addRow("a ~= null$") << QStringRef(&a) << QLatin1String("a")
+ << QStringRef() << QLatin1String() << true << true;
+ QTest::addRow("null ~= empty$") << QStringRef() << QLatin1String()
+ << QStringRef(&empty) << QLatin1String("") << false << false;
+ QTest::addRow("a ~= empty$") << QStringRef(&a) << QLatin1String("a")
+ << QStringRef(&empty) << QLatin1String("") << true << true;
+ QTest::addRow("empty ~= empty$") << QStringRef(&empty) << QLatin1String("")
+ << QStringRef(&empty) << QLatin1String("") << true << true;
+ }
+ QTest::addRow("null ~= a$") << QStringRef() << QLatin1String()
+ << QStringRef(&a) << QLatin1String("a") << false << false;
+ QTest::addRow("empty ~= a$") << QStringRef(&empty) << QLatin1String("")
+ << QStringRef(&a) << QLatin1String("a") << false << false;
+
+#define ROW(h, n, cs, cis) \
+ QTest::addRow("%s ~= %s$", #h, #n) << QStringRef(&h) << QLatin1String(#h) \
+ << QStringRef(&n) << QLatin1String(#n) \
+ << bool(cs) << bool(cis)
+ ROW(a, a, 1, 1);
+ ROW(a, A, 0, 1);
+ ROW(a, b, 0, 0);
+
+ if (rhsHasVariableLength)
+ ROW(b, ab, 0, 0);
+
+ ROW(ab, b, 1, 1);
+ if (rhsHasVariableLength) {
+ ROW(ab, ab, 1, 1);
+ ROW(ab, aB, 0, 1);
+ ROW(ab, Ab, 0, 1);
+ }
+ ROW(ab, c, 0, 0);
+
+ if (rhsHasVariableLength)
+ ROW(bc, abc, 0, 0);
+
+ ROW(Abc, c, 1, 1);
+ if (rhsHasVariableLength) {
+ ROW(Abc, bc, 1, 1);
+ ROW(Abc, bC, 0, 1);
+ ROW(Abc, Bc, 0, 1);
+ ROW(Abc, BC, 0, 1);
+ ROW(aBC, bc, 0, 1);
+ ROW(aBC, bC, 0, 1);
+ ROW(aBC, Bc, 0, 1);
+ ROW(aBC, BC, 1, 1);
+ }
+ ROW(ABC, b, 0, 0);
+ ROW(ABC, a, 0, 0);
+#undef ROW
+}
+
+template <typename Haystack, typename Needle>
+void tst_QStringApiSymmetry::endsWith_impl() const
+{
+ QFETCH(const QStringRef, haystackU16);
+ QFETCH(const QLatin1String, haystackL1);
+ QFETCH(const QStringRef, needleU16);
+ QFETCH(const QLatin1String, needleL1);
+ QFETCH(const bool, resultCS);
+ QFETCH(const bool, resultCIS);
+
+ const auto haystackU8 = haystackU16.toUtf8();
+ const auto needleU8 = needleU16.toUtf8();
+
+ const auto haystack = make<Haystack>(haystackU16, haystackL1, haystackU8);
+ const auto needle = make<Needle>(needleU16, needleL1, needleU8);
+
+ QCOMPARE(haystack.endsWith(needle), resultCS);
+ QCOMPARE(haystack.endsWith(needle, Qt::CaseSensitive), resultCS);
+ QCOMPARE(haystack.endsWith(needle, Qt::CaseInsensitive), resultCIS);
+}
+
+void tst_QStringApiSymmetry::mid_data()
+{
+ QTest::addColumn<QStringRef>("unicode");
+ QTest::addColumn<QLatin1String>("latin1");
+ QTest::addColumn<int>("pos");
+ QTest::addColumn<int>("n");
+ QTest::addColumn<QStringRef>("result");
+ QTest::addColumn<QStringRef>("result2");
+
+ QTest::addRow("null") << QStringRef() << QLatin1String() << 0 << 0 << QStringRef() << QStringRef();
+ QTest::addRow("empty") << QStringRef(&empty) << QLatin1String("") << 0 << 0 << QStringRef(&empty) << QStringRef(&empty);
+
+ // Some classes' mid() implementations have a wide contract, others a narrow one
+ // so only test valid arguents here:
+#define ROW(base, p, n, r1, r2) \
+ QTest::addRow("%s%d%d", #base, p, n) << QStringRef(&base) << QLatin1String(#base) << p << n << QStringRef(&r1) << QStringRef(&r2)
+
+ ROW(a, 0, 0, a, empty);
+ ROW(a, 0, 1, a, a);
+ ROW(a, 1, 0, empty, empty);
+
+ ROW(ab, 0, 0, ab, empty);
+ ROW(ab, 0, 1, ab, a);
+ ROW(ab, 0, 2, ab, ab);
+ ROW(ab, 1, 0, b, empty);
+ ROW(ab, 1, 1, b, b);
+ ROW(ab, 2, 0, empty, empty);
+
+ ROW(abc, 0, 0, abc, empty);
+ ROW(abc, 0, 1, abc, a);
+ ROW(abc, 0, 2, abc, ab);
+ ROW(abc, 0, 3, abc, abc);
+ ROW(abc, 1, 0, bc, empty);
+ ROW(abc, 1, 1, bc, b);
+ ROW(abc, 1, 2, bc, bc);
+ ROW(abc, 2, 0, c, empty);
+ ROW(abc, 2, 1, c, c);
+ ROW(abc, 3, 0, empty, empty);
+#undef ROW
+}
+
+template <typename String>
+void tst_QStringApiSymmetry::mid_impl()
+{
+ QFETCH(const QStringRef, unicode);
+ QFETCH(const QLatin1String, latin1);
+ QFETCH(const int, pos);
+ QFETCH(const int, n);
+ QFETCH(const QStringRef, result);
+ QFETCH(const QStringRef, result2);
+
+ const auto utf8 = unicode.toUtf8();
+
+ const auto s = make<String>(unicode, latin1, utf8);
+
+ {
+ const auto mid = s.mid(pos);
+ const auto mid2 = s.mid(pos, n);
+
+ QCOMPARE(mid, result);
+ QCOMPARE(mid.isNull(), result.isNull());
+ QCOMPARE(mid.isEmpty(), result.isEmpty());
+
+ QCOMPARE(mid2, result2);
+ QCOMPARE(mid2.isNull(), result2.isNull());
+ QCOMPARE(mid2.isEmpty(), result2.isEmpty());
+ }
+ {
+ const auto mid = detached(s).mid(pos);
+ const auto mid2 = detached(s).mid(pos, n);
+
+ QCOMPARE(mid, result);
+ QCOMPARE(mid.isNull(), result.isNull());
+ QCOMPARE(mid.isEmpty(), result.isEmpty());
+
+ QCOMPARE(mid2, result2);
+ QCOMPARE(mid2.isNull(), result2.isNull());
+ QCOMPARE(mid2.isEmpty(), result2.isEmpty());
+ }
+}
+
+void tst_QStringApiSymmetry::left_data()
+{
+ QTest::addColumn<QStringRef>("unicode");
+ QTest::addColumn<QLatin1String>("latin1");
+ QTest::addColumn<int>("n");
+ QTest::addColumn<QStringRef>("result");
+
+ QTest::addRow("null") << QStringRef() << QLatin1String() << 0 << QStringRef();
+ QTest::addRow("empty") << QStringRef(&empty) << QLatin1String("") << 0 << QStringRef(&empty);
+
+ // Some classes' left() implementations have a wide contract, others a narrow one
+ // so only test valid arguents here:
+#define ROW(base, n, res) \
+ QTest::addRow("%s%d", #base, n) << QStringRef(&base) << QLatin1String(#base) << n << QStringRef(&res);
+
+ ROW(a, 0, empty);
+ ROW(a, 1, a);
+
+ ROW(ab, 0, empty);
+ ROW(ab, 1, a);
+ ROW(ab, 2, ab);
+
+ ROW(abc, 0, empty);
+ ROW(abc, 1, a);
+ ROW(abc, 2, ab);
+ ROW(abc, 3, abc);
+#undef ROW
+}
+
+template <typename String>
+void tst_QStringApiSymmetry::left_impl()
+{
+ QFETCH(const QStringRef, unicode);
+ QFETCH(const QLatin1String, latin1);
+ QFETCH(const int, n);
+ QFETCH(const QStringRef, result);
+
+ const auto utf8 = unicode.toUtf8();
+
+ const auto s = make<String>(unicode, latin1, utf8);
+
+ {
+ const auto left = s.left(n);
+
+ QCOMPARE(left, result);
+ QCOMPARE(left.isNull(), result.isNull());
+ QCOMPARE(left.isEmpty(), result.isEmpty());
+ }
+ {
+ const auto left = detached(s).left(n);
+
+ QCOMPARE(left, result);
+ QCOMPARE(left.isNull(), result.isNull());
+ QCOMPARE(left.isEmpty(), result.isEmpty());
+ }
+ {
+ auto left = s;
+ left.truncate(n);
+
+ QCOMPARE(left, result);
+ QCOMPARE(left.isNull(), result.isNull());
+ QCOMPARE(left.isEmpty(), result.isEmpty());
+ }
+}
+
+void tst_QStringApiSymmetry::right_data()
+{
+ QTest::addColumn<QStringRef>("unicode");
+ QTest::addColumn<QLatin1String>("latin1");
+ QTest::addColumn<int>("n");
+ QTest::addColumn<QStringRef>("result");
+
+ QTest::addRow("null") << QStringRef() << QLatin1String() << 0 << QStringRef();
+ QTest::addRow("empty") << QStringRef(&empty) << QLatin1String("") << 0 << QStringRef(&empty);
+
+ // Some classes' right() implementations have a wide contract, others a narrow one
+ // so only test valid arguents here:
+#define ROW(base, n, res) \
+ QTest::addRow("%s%d", #base, n) << QStringRef(&base) << QLatin1String(#base) << n << QStringRef(&res);
+
+ ROW(a, 0, empty);
+ ROW(a, 1, a);
+
+ ROW(ab, 0, empty);
+ ROW(ab, 1, b);
+ ROW(ab, 2, ab);
+
+ ROW(abc, 0, empty);
+ ROW(abc, 1, c);
+ ROW(abc, 2, bc);
+ ROW(abc, 3, abc);
+#undef ROW
+}
+
+template <typename String>
+void tst_QStringApiSymmetry::right_impl()
+{
+ QFETCH(const QStringRef, unicode);
+ QFETCH(const QLatin1String, latin1);
+ QFETCH(const int, n);
+ QFETCH(const QStringRef, result);
+
+ const auto utf8 = unicode.toUtf8();
+
+ const auto s = make<String>(unicode, latin1, utf8);
+
+ {
+ const auto right = s.right(n);
+
+ QCOMPARE(right, result);
+ QCOMPARE(right.isNull(), result.isNull());
+ QCOMPARE(right.isEmpty(), result.isEmpty());
+ }
+ {
+ const auto right = detached(s).right(n);
+
+ QCOMPARE(right, result);
+ QCOMPARE(right.isNull(), result.isNull());
+ QCOMPARE(right.isEmpty(), result.isEmpty());
+ }
+}
+
+void tst_QStringApiSymmetry::chop_data()
+{
+ QTest::addColumn<QStringRef>("unicode");
+ QTest::addColumn<QLatin1String>("latin1");
+ QTest::addColumn<int>("n");
+ QTest::addColumn<QStringRef>("result");
+
+ QTest::addRow("null") << QStringRef() << QLatin1String() << 0 << QStringRef();
+ QTest::addRow("empty") << QStringRef(&empty) << QLatin1String("") << 0 << QStringRef(&empty);
+
+ // Some classes' truncate() implementations have a wide contract, others a narrow one
+ // so only test valid arguents here:
+#define ROW(base, n, res) \
+ QTest::addRow("%s%d", #base, n) << QStringRef(&base) << QLatin1String(#base) << n << QStringRef(&res);
+
+ ROW(a, 0, a);
+ ROW(a, 1, empty);
+
+ ROW(ab, 0, ab);
+ ROW(ab, 1, a);
+ ROW(ab, 2, empty);
+
+ ROW(abc, 0, abc);
+ ROW(abc, 1, ab);
+ ROW(abc, 2, a);
+ ROW(abc, 3, empty);
+#undef ROW
+}
+
+template <typename String>
+void tst_QStringApiSymmetry::chop_impl()
+{
+ QFETCH(const QStringRef, unicode);
+ QFETCH(const QLatin1String, latin1);
+ QFETCH(const int, n);
+ QFETCH(const QStringRef, result);
+
+ const auto utf8 = unicode.toUtf8();
+
+ const auto s = make<String>(unicode, latin1, utf8);
+
+ {
+ const auto chopped = s.chopped(n);
+
+ QCOMPARE(chopped, result);
+ QCOMPARE(chopped.isNull(), result.isNull());
+ QCOMPARE(chopped.isEmpty(), result.isEmpty());
+ }
+ {
+ const auto chopped = detached(s).chopped(n);
+
+ QCOMPARE(chopped, result);
+ QCOMPARE(chopped.isNull(), result.isNull());
+ QCOMPARE(chopped.isEmpty(), result.isEmpty());
+ }
+ {
+ auto chopped = s;
+ chopped.chop(n);
+
+ QCOMPARE(chopped, result);
+ QCOMPARE(chopped.isNull(), result.isNull());
+ QCOMPARE(chopped.isEmpty(), result.isEmpty());
+ }
+}
+
+void tst_QStringApiSymmetry::trimmed_data()
+{
+ QTest::addColumn<QString>("unicode");
+ QTest::addColumn<QStringRef>("result");
+
+ const auto latin1Whitespace = QLatin1String(" \r\n\t\f\v");
+
+ QTest::addRow("null") << QString() << QStringRef();
+
+ auto add = [latin1Whitespace](const QString &str) {
+ // run through all substrings of latin1Whitespace
+ for (int len = 0; len < latin1Whitespace.size(); ++len) {
+ for (int pos = 0; pos < latin1Whitespace.size() - len; ++pos) {
+ const QString unicode = latin1Whitespace.mid(pos, len) + str + latin1Whitespace.mid(pos, len);
+ const QScopedPointer<const char> escaped(QTest::toString(unicode));
+ QTest::addRow("%s", escaped.data()) << unicode << QStringRef(&str);
+ }
+ }
+ };
+
+ add(empty);
+ add(a);
+ add(ab);
+}
+
+template <typename String>
+void tst_QStringApiSymmetry::trimmed_impl()
+{
+ QFETCH(const QString, unicode);
+ QFETCH(const QStringRef, result);
+
+ const auto utf8 = unicode.toUtf8();
+ const auto l1s = unicode.toLatin1();
+ const auto l1 = l1s.isNull() ? QLatin1String() : QLatin1String(l1s);
+
+ const auto ref = unicode.isNull() ? QStringRef() : QStringRef(&unicode);
+ const auto s = make<String>(ref, l1, utf8);
+
+ QCOMPARE(s.isNull(), unicode.isNull());
+
+ {
+ const auto trimmed = s.trimmed();
+
+ QCOMPARE(trimmed, result);
+ QCOMPARE(trimmed.isNull(), result.isNull());
+ QCOMPARE(trimmed.isEmpty(), result.isEmpty());
+ }
+ {
+ const auto trimmed = detached(s).trimmed();
+
+ QCOMPARE(trimmed, result);
+ QCOMPARE(trimmed.isNull(), result.isNull());
+ QCOMPARE(trimmed.isEmpty(), result.isEmpty());
+ }
+}
+
//
//
// UTF-16-only checks:
@@ -309,6 +1086,7 @@ void tst_QStringApiSymmetry::compare_impl() const
template <class Str> Str make(const QString &s);
template <> QStringRef make(const QString &s) { return QStringRef(&s); }
template <> QString make(const QString &s) { return s; }
+template <> QStringView make(const QString &s) { return s; }
#define REPEAT_16X(X) X X X X X X X X X X X X X X X X
#define LONG_STRING_256 REPEAT_16X("0123456789abcdef")