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Telegram/ThirdParty/kcoreaddons/tests/krandomsequencetest.cpp

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+/*
+    This file is part of the KDE libraries
+
+    SPDX-FileCopyrightText: 1999 Waldo Bastian <bastian@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.0-only
+*/
+
+#include <QList>
+#include <QString>
+
+#include "krandom.h"
+#include "krandomsequence.h"
+
+#include <stdio.h>
+
+int main(/*int argc, char *argv[]*/)
+{
+    long seed;
+    KRandomSequence seq;
+
+    seed = 2;
+    seq.setSeed(seed);
+    printf("Seed = %4ld :", seed);
+    for (int i = 0; i < 20; i++) {
+        printf("%3ld ", seq.getLong(100));
+    }
+    printf("\n");
+
+    seed = 0;
+    seq.setSeed(seed);
+    printf("Seed = %4ld :", seed);
+    for (int i = 0; i < 20; i++) {
+        printf("%3ld ", seq.getLong(100));
+    }
+    printf("\n");
+
+    seed = 0;
+    seq.setSeed(seed);
+    printf("Seed = %4ld :", seed);
+    for (int i = 0; i < 20; i++) {
+        printf("%3ld ", seq.getLong(100));
+    }
+    printf("\n");
+
+    seed = 2;
+    seq.setSeed(seed);
+    printf("Seed = %4ld :", seed);
+    for (int i = 0; i < 20; i++) {
+        printf("%3ld ", seq.getLong(100));
+    }
+    printf("\n");
+
+    seq.setSeed(KRandom::random());
+
+    QStringList list{
+        QLatin1String("A"),
+        QLatin1String("B"),
+        QLatin1String("C"),
+        QLatin1String("D"),
+        QLatin1String("E"),
+        QLatin1String("F"),
+        QLatin1String("G"),
+    };
+
+    auto printList = [&list]() {
+        for (const QString &str : std::as_const(list)) {
+            printf("%s", str.toLatin1().data());
+        }
+        printf("\n");
+    };
+
+    printList();
+
+    seq.randomize(list);
+    printList();
+
+    seq.randomize(list);
+    printList();
+
+    seq.randomize(list);
+    printList();
+}