qt 6.5.1 original

tests/auto/corelib/tools/qmakearray/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_qmakearray Test:
+#####################################################################
+
+qt_internal_add_test(tst_qmakearray
+    SOURCES
+        tst_qmakearray.cpp
+    LIBRARIES
+        Qt::CorePrivate
+)

tests/auto/corelib/tools/qmakearray/tst_qmakearray.cpp

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+// Copyright (C) 2018 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QTest>
+
+#include <private/qmakearray_p.h>
+
+
+class tst_QMakeArray : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void quicksort();
+};
+
+struct Pair {
+    unsigned int key;
+    unsigned int val;
+
+    constexpr bool operator <=(const Pair &that) const noexcept
+    {
+        return key <= that.key;
+    }
+
+    constexpr bool operator<(const Pair &that) const noexcept
+    {
+        return key < that.key;
+    }
+
+    constexpr bool operator==(const Pair &that) const noexcept
+    {
+        return key == that.key;
+    }
+};
+
+template<std::size_t Key, std::size_t Val>
+struct PairQuickSortElem
+{
+    using Type = Pair;
+    static constexpr Type data() noexcept { return Type{Key, Val}; }
+};
+
+void tst_QMakeArray::quicksort()
+{
+    constexpr const auto sorted_array = qMakeArray(
+        QSortedData<
+            PairQuickSortElem<10, 0>,
+            PairQuickSortElem<5, 0>,
+            PairQuickSortElem<7, 0>,
+            PairQuickSortElem<1, 0>,
+            PairQuickSortElem<8, 0>,
+            PairQuickSortElem<6, 0>,
+            PairQuickSortElem<4, 0>,
+            PairQuickSortElem<3, 0>,
+            PairQuickSortElem<1, 0>,
+            PairQuickSortElem<2, 0>,
+            PairQuickSortElem<10, 0>,
+            PairQuickSortElem<5, 0>
+        >::Data{});
+    static_assert(sorted_array.size() == 12, "sorted_array.size() != 12");
+    QCOMPARE(sorted_array[0].key, 1u);
+    QCOMPARE(sorted_array[1].key, 1u);
+    QCOMPARE(sorted_array[2].key, 2u);
+    QCOMPARE(sorted_array[3].key, 3u);
+    QCOMPARE(sorted_array[4].key, 4u);
+    QCOMPARE(sorted_array[5].key, 5u);
+    QCOMPARE(sorted_array[6].key, 5u);
+    QCOMPARE(sorted_array[7].key, 6u);
+    QCOMPARE(sorted_array[8].key, 7u);
+    QCOMPARE(sorted_array[9].key, 8u);
+    QCOMPARE(sorted_array[10].key, 10u);
+    QCOMPARE(sorted_array[11].key, 10u);
+}
+
+
+QTEST_APPLESS_MAIN(tst_QMakeArray)
+#include "tst_qmakearray.moc"