diff --git a/tests/auto/corelib/tools/qspan/tst_qspan.cpp b/tests/auto/corelib/tools/qspan/tst_qspan.cpp
index 95c60ee9532..3c496b00a8d 100644
--- a/tests/auto/corelib/tools/qspan/tst_qspan.cpp
+++ b/tests/auto/corelib/tools/qspan/tst_qspan.cpp
@@ -129,6 +129,8 @@ private Q_SLOTS:
     void fromQList() const;
     void fromInitList() const;
 
+    void constQSpansDontDetachQtContainers() const;
+
 private:
     template <typename T, std::size_t N>
     void check_nonempty_span(QSpan<T, N>, qsizetype expectedSize) const;
@@ -440,6 +442,32 @@ void tst_QSpan::fromQList() const
     from_variable_size_container_impl(li);
 }
 
+void tst_QSpan::constQSpansDontDetachQtContainers() const
+{
+    QList<int> li = {42, 84, 168, 336};
+
+    {
+        [[maybe_unused]] const QList copy = li;
+        QVERIFY(!li.isDetached());
+        [[maybe_unused]] QSpan<const int> cvspan = li; // should not detach (QTBUG-132133)
+        QEXPECT_FAIL("", "QTBUG-132133", Continue);
+        QVERIFY(!li.isDetached());
+        [[maybe_unused]] QSpan<int> mvspan = li; // this _has_ to detach, though
+        QVERIFY(li.isDetached());
+    }
+
+    // same check for fixed-size spans
+    {
+        [[maybe_unused]] const QList copy = li;
+        QVERIFY(!li.isDetached());
+        [[maybe_unused]] QSpan<const int, 4> cfspan = li; // should not detach (QTBUG-132133)
+        QEXPECT_FAIL("", "QTBUG-132133", Continue);
+        QVERIFY(!li.isDetached());
+        [[maybe_unused]] QSpan<int, 4> mfspan = li; // this _has_ to detach, though
+        QVERIFY(li.isDetached());
+    }
+}
+
 void tst_QSpan::fromInitList() const
 {
     from_variable_size_container_impl(std::initializer_list<int>{42, 84, 168, 336});