1 files changed, 52 insertions, 0 deletions
diff --git a/tests/auto/corelib/tools/containerapisymmetry/tst_containerapisymmetry.cpp b/tests/auto/corelib/tools/containerapisymmetry/tst_containerapisymmetry.cpp
index 2c7c8f6514..11f181a955 100644
--- a/tests/auto/corelib/tools/containerapisymmetry/tst_containerapisymmetry.cpp
+++ b/tests/auto/corelib/tools/containerapisymmetry/tst_containerapisymmetry.cpp
@@ -40,8 +40,10 @@
 #include <algorithm>
 #include <functional>
 #include <vector> // for reference
+#include <iostream>
 #include <list>
 #include <set>
+#include <sstream>
 #include <map>
 
 // MSVC has these containers from the Standard Library, but it lacks
@@ -64,6 +66,28 @@
 #include <unordered_map>
 #endif
 
+QT_BEGIN_NAMESPACE
+std::ostream &operator<<(std::ostream &os, const QChar &c)
+{
+    Q_ASSERT(c == QLatin1Char{c.toLatin1()});
+    return os << c.toLatin1();
+}
+std::istream &operator>>(std::istream &os, QChar &c)
+{
+    char cL1;
+    os >> cL1;
+    c = QLatin1Char{cL1};
+    return os;
+}
+QT_END_NAMESPACE
+
+namespace {
+template <typename T>
+struct is_qlist : std::false_type {};
+template <typename T>
+struct is_qlist<QList<T>> : std::true_type {};
+}
+
 struct Movable
 {
     explicit Movable(int i = 0) Q_DECL_NOTHROW
@@ -85,6 +109,11 @@ struct Movable
 
     int i;
     static int instanceCount;
+
+    friend std::ostream &operator<<(std::ostream &os, const Movable &m)
+    { return os << m.i; }
+    friend std::istream &operator>>(std::istream &os, Movable &m)
+    { return os >> m.i; }
 };
 
 int Movable::instanceCount = 0;
@@ -124,6 +153,11 @@ struct Complex
 
     int i;
     static int instanceCount;
+
+    friend std::ostream &operator<<(std::ostream &os, const Complex &c)
+    { return os << c.i; }
+    friend std::istream &operator>>(std::istream &os, Complex &c)
+    { return os >> c.i; }
 };
 
 int Complex::instanceCount = 0;
@@ -550,12 +584,30 @@ void tst_ContainerApiSymmetry::ranged_ctor_non_associative_impl() const
     // from itself
     const Container c4(reference.begin(), reference.end());
 
+    // from stringsteam (= pure input_iterator)
+    const Container c5 = [&] {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) // QTBUG-99036
+        if constexpr (is_qlist<Container>::value) {
+            return c4;
+        } else
+#endif
+        {
+            std::stringstream ss;
+            for (auto &v : values1)
+                ss << v << ' ';
+            ss.seekg(0);
+            return Container(std::istream_iterator<V>{ss},
+                             std::istream_iterator<V>{});
+        }
+    }();
+
     QCOMPARE(c1,  reference);
     QCOMPARE(c2a, reference);
     QCOMPARE(c2b, reference);
     QCOMPARE(c3a, reference);
     QCOMPARE(c3b, reference);
     QCOMPARE(c4,  reference);
+    QCOMPARE(c5,  reference);
 }