diff options
Diffstat (limited to 'tests/auto/corelib/text/qstringview/tst_qstringview.cpp')
-rw-r--r-- | tests/auto/corelib/text/qstringview/tst_qstringview.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/tests/auto/corelib/text/qstringview/tst_qstringview.cpp b/tests/auto/corelib/text/qstringview/tst_qstringview.cpp index 47ce9a6f63..631bcce508 100644 --- a/tests/auto/corelib/text/qstringview/tst_qstringview.cpp +++ b/tests/auto/corelib/text/qstringview/tst_qstringview.cpp @@ -221,6 +221,8 @@ private Q_SLOTS: void comparison(); + void overloadResolution(); + private: template <typename String> void conversion_tests(String arg) const; @@ -678,5 +680,61 @@ void tst_QStringView::comparison() QVERIFY(bb.compare(aa) > 0); } +namespace QStringViewOverloadResolution { +static void test(QString) = delete; +static void test(QStringView) {} +} + +// Compile-time only test: overload resolution prefers QStringView over QString +void tst_QStringView::overloadResolution() +{ + { + QChar qcharArray[42] = {}; + QStringViewOverloadResolution::test(qcharArray); + QChar *qcharPointer = qcharArray; + QStringViewOverloadResolution::test(qcharPointer); + } + + { + ushort ushortArray[42] = {}; + QStringViewOverloadResolution::test(ushortArray); + ushort *ushortPointer = ushortArray; + QStringViewOverloadResolution::test(ushortPointer); + } + + { + QStringRef stringRef; + QStringViewOverloadResolution::test(stringRef); + QStringViewOverloadResolution::test(qAsConst(stringRef)); + QStringViewOverloadResolution::test(std::move(stringRef)); + } + +#if defined(Q_OS_WIN) + { + wchar_t wchartArray[42] = {}; + QStringViewOverloadResolution::test(wchartArray); + QStringViewOverloadResolution::test(L"test"); + } +#endif + +#if defined(Q_COMPILER_UNICODE_STRINGS) + { + char16_t char16Array[] = u"test"; + QStringViewOverloadResolution::test(char16Array); + char16_t *char16Pointer = char16Array; + QStringViewOverloadResolution::test(char16Pointer); + } +#endif + +#if defined(Q_STDLIB_UNICODE_STRINGS) + { + std::u16string string; + QStringViewOverloadResolution::test(string); + QStringViewOverloadResolution::test(qAsConst(string)); + QStringViewOverloadResolution::test(std::move(string)); + } +#endif +} + QTEST_APPLESS_MAIN(tst_QStringView) #include "tst_qstringview.moc" |