diff base/test/StressEventSeries.h @ 1622:172bd3374adf single-point

Add (disabled by default) stress test for EventSeries

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/base/test/StressEventSeries.h	Mon Mar 11 09:53:28 2019 +0000
@@ -0,0 +1,92 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef STRESS_EVENT_SERIES_H
+#define STRESS_EVENT_SERIES_H
+
+#include "../EventSeries.h"
+
+#include <QObject>
+#include <QtTest>
+
+#include <iostream>
+
+using namespace std;
+
+class StressEventSeries : public QObject
+{
+    Q_OBJECT
+
+private:
+    void report(int n, QString sort, clock_t start, clock_t end) {
+        QString message = QString("Time for %1 %2 events = ").arg(n).arg(sort);
+        cerr << "                 " << message;
+        for (int i = 0; i < 34 - message.size(); ++i) cerr << " ";
+        cerr << double(end - start) * 1000.0 / double(CLOCKS_PER_SEC)
+             << "ms" << endl;
+    }        
+    
+    void short_n(int n) {
+        clock_t start = clock();
+        EventSeries s;
+        for (int i = 0; i < n; ++i) {
+            float value = float(rand()) / float(RAND_MAX);
+            Event e(rand(), value, 1000, QString("event %1").arg(i));
+            s.add(e);
+        }
+        QCOMPARE(s.count(), n);
+        clock_t end = clock();
+        report(n, "short", start, end);
+    }
+
+    void longish_n(int n) {
+        clock_t start = clock();
+        EventSeries s;
+        for (int i = 0; i < n; ++i) {
+            float value = float(rand()) / float(RAND_MAX);
+            Event e(rand(), value, rand() / 1000, QString("event %1").arg(i));
+            s.add(e);
+        }
+        QCOMPARE(s.count(), n);
+        clock_t end = clock();
+        report(n, "longish", start, end);
+    }
+
+private slots:
+    void short_3() { short_n(1000); }
+    void short_4() { short_n(10000); }
+    void short_5() { short_n(100000); }
+    void short_6() { short_n(1000000); }
+    void longish_3() { longish_n(1000); }
+    void longish_4() { longish_n(10000); }
+    void longish_5() { longish_n(100000); }
+
+    /* cf5196881e3e+
+
+                 Time for 1000 short events =      1.169ms
+                 Time for 10000 short events =     20.566ms
+                 Time for 100000 short events =    279.242ms
+                 Time for 1000000 short events =   3925.06ms
+                 Time for 1000 longish events =    1.938ms
+                 Time for 10000 longish events =   72.209ms
+                 Time for 100000 longish events =  6469.26ms
+
+Totals: 9 passed, 0 failed, 0 skipped, 0 blacklisted, 12785ms
+
+13.40user 0.37system 0:13.84elapsed 99%CPU (0avgtext+0avgdata 1052000maxresident)k
+0inputs+40outputs (0major+260249minor)pagefaults 0swaps
+    */
+};
+
+#endif