diff options
Diffstat (limited to 'tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp')
| -rw-r--r-- | tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp b/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp index 3d90644aa3..a1d0100f96 100644 --- a/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp +++ b/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp @@ -44,6 +44,7 @@ private slots: void realloc(); void reverseIterators(); void count(); + void cpp17ctad(); void first(); void last(); void squeeze(); @@ -717,6 +718,34 @@ void tst_QVarLengthArray::count() } } +void tst_QVarLengthArray::cpp17ctad() +{ +#ifdef __cpp_deduction_guides +#define QVERIFY_IS_VLA_OF(obj, Type) \ + QVERIFY2((std::is_same<decltype(obj), QVarLengthArray<Type>>::value), \ + QMetaType::typeName(qMetaTypeId<decltype(obj)::value_type>())) +#define CHECK(Type, One, Two, Three) \ + do { \ + const Type v[] = {One, Two, Three}; \ + QVarLengthArray v1 = {One, Two, Three}; \ + QVERIFY_IS_VLA_OF(v1, Type); \ + QVarLengthArray v2(v1.begin(), v1.end()); \ + QVERIFY_IS_VLA_OF(v2, Type); \ + QVarLengthArray v3(std::begin(v), std::end(v)); \ + QVERIFY_IS_VLA_OF(v3, Type); \ + } while (false) \ + /*end*/ + CHECK(int, 1, 2, 3); + CHECK(double, 1.0, 2.0, 3.0); + CHECK(QString, QStringLiteral("one"), QStringLiteral("two"), QStringLiteral("three")); +#undef QVERIFY_IS_VLA_OF +#undef CHECK +#else + QSKIP("This test requires C++17 Constructor Template Argument Deduction support enabled in the compiler."); +#endif + +} + void tst_QVarLengthArray::first() { // append some items, make sure it stays sane |