# HG changeset patch
# User Chris Cannam
# Date 1416498425 0
# Node ID 216c4a06a4628e8fe34ff91b094a979e6c0ff976
# Parent  13f53ecc8bb598a2218d45f332e45341035dfa09# Parent  30afdc7c7b897d69479281f9ac63b6218163ca3d
Merge

diff -r 13f53ecc8bb5 -r 216c4a06a462 base/RealTime.cpp
--- a/base/RealTime.cpp	Thu Nov 20 15:46:19 2014 +0000
+++ b/base/RealTime.cpp	Thu Nov 20 15:47:05 2014 +0000
@@ -59,7 +59,11 @@
 RealTime
 RealTime::fromSeconds(double sec)
 {
-    return RealTime(int(sec), int((sec - int(sec)) * ONE_BILLION + 0.5));
+    if (sec >= 0) {
+        return RealTime(int(sec), int((sec - int(sec)) * ONE_BILLION + 0.5));
+    } else {
+        return -fromSeconds(-sec);
+    }
 }
 
 RealTime
diff -r 13f53ecc8bb5 -r 216c4a06a462 base/test/TestRealTime.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/base/test/TestRealTime.h	Thu Nov 20 15:47:05 2014 +0000
@@ -0,0 +1,276 @@
+/* -*- 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 TEST_REALTIME_H
+#define TEST_REALTIME_H
+
+#include "../RealTime.h"
+
+#include <QObject>
+#include <QtTest>
+#include <QDir>
+
+#include <iostream>
+
+using namespace std;
+
+class TestRealTime : public QObject
+{
+    Q_OBJECT
+
+private slots:
+
+#define ONE_MILLION 1000000
+#define ONE_BILLION 1000000000
+    
+    void zero()
+    {
+	QCOMPARE(RealTime(0, 0), RealTime::zeroTime);
+	QCOMPARE(RealTime(0, 0).sec, 0);
+	QCOMPARE(RealTime(0, 0).nsec, 0);
+	QCOMPARE(RealTime(0, 0).msec(), 0);
+	QCOMPARE(RealTime(0, 0).usec(), 0);
+    }
+
+    void ctor()
+    {
+	QCOMPARE(RealTime(0, 0), RealTime(0, 0));
+
+	// wraparounds
+	QCOMPARE(RealTime(0, ONE_BILLION/2), RealTime(1, -ONE_BILLION/2));
+	QCOMPARE(RealTime(0, -ONE_BILLION/2), RealTime(-1, ONE_BILLION/2));
+
+	QCOMPARE(RealTime(1, ONE_BILLION), RealTime(2, 0));
+	QCOMPARE(RealTime(1, -ONE_BILLION), RealTime(0, 0));
+	QCOMPARE(RealTime(-1, ONE_BILLION), RealTime(0, 0));
+	QCOMPARE(RealTime(-1, -ONE_BILLION), RealTime(-2, 0));
+
+	QCOMPARE(RealTime(2, -ONE_BILLION*2), RealTime(0, 0));
+	QCOMPARE(RealTime(2, -ONE_BILLION/2), RealTime(1, ONE_BILLION/2));
+
+	QCOMPARE(RealTime(-2, ONE_BILLION*2), RealTime(0, 0));
+	QCOMPARE(RealTime(-2, ONE_BILLION/2), RealTime(-1, -ONE_BILLION/2));
+	
+	QCOMPARE(RealTime(0, 1).sec, 0);
+	QCOMPARE(RealTime(0, 1).nsec, 1);
+	QCOMPARE(RealTime(0, -1).sec, 0);
+	QCOMPARE(RealTime(0, -1).nsec, -1);
+	QCOMPARE(RealTime(1, -1).sec, 0);
+	QCOMPARE(RealTime(1, -1).nsec, ONE_BILLION-1);
+	QCOMPARE(RealTime(-1, 1).sec, 0);
+	QCOMPARE(RealTime(-1, 1).nsec, -ONE_BILLION+1);
+	QCOMPARE(RealTime(-1, -1).sec, -1);
+	QCOMPARE(RealTime(-1, -1).nsec, -1);
+	
+	QCOMPARE(RealTime(2, -ONE_BILLION*2).sec, 0);
+	QCOMPARE(RealTime(2, -ONE_BILLION*2).nsec, 0);
+	QCOMPARE(RealTime(2, -ONE_BILLION/2).sec, 1);
+	QCOMPARE(RealTime(2, -ONE_BILLION/2).nsec, ONE_BILLION/2);
+
+	QCOMPARE(RealTime(-2, ONE_BILLION*2).sec, 0);
+	QCOMPARE(RealTime(-2, ONE_BILLION*2).nsec, 0);
+	QCOMPARE(RealTime(-2, ONE_BILLION/2).sec, -1);
+	QCOMPARE(RealTime(-2, ONE_BILLION/2).nsec, -ONE_BILLION/2);
+    }
+    
+    void fromSeconds()
+    {
+	QCOMPARE(RealTime::fromSeconds(0), RealTime(0, 0));
+
+	QCOMPARE(RealTime::fromSeconds(0.5).sec, 0);
+	QCOMPARE(RealTime::fromSeconds(0.5).nsec, ONE_BILLION/2);
+	QCOMPARE(RealTime::fromSeconds(0.5).usec(), ONE_MILLION/2);
+	QCOMPARE(RealTime::fromSeconds(0.5).msec(), 500);
+	
+	QCOMPARE(RealTime::fromSeconds(0.5), RealTime(0, ONE_BILLION/2));
+	QCOMPARE(RealTime::fromSeconds(1), RealTime(1, 0));
+	QCOMPARE(RealTime::fromSeconds(1.5), RealTime(1, ONE_BILLION/2));
+
+	QCOMPARE(RealTime::fromSeconds(-0.5).sec, 0);
+	QCOMPARE(RealTime::fromSeconds(-0.5).nsec, -ONE_BILLION/2);
+	QCOMPARE(RealTime::fromSeconds(-0.5).usec(), -ONE_MILLION/2);
+	QCOMPARE(RealTime::fromSeconds(-0.5).msec(), -500);
+	
+	QCOMPARE(RealTime::fromSeconds(-1.5).sec, -1);
+	QCOMPARE(RealTime::fromSeconds(-1.5).nsec, -ONE_BILLION/2);
+	QCOMPARE(RealTime::fromSeconds(-1.5).usec(), -ONE_MILLION/2);
+	QCOMPARE(RealTime::fromSeconds(-1.5).msec(), -500);
+	
+	QCOMPARE(RealTime::fromSeconds(-0.5), RealTime(0, -ONE_BILLION/2));
+	QCOMPARE(RealTime::fromSeconds(-1), RealTime(-1, 0));
+	QCOMPARE(RealTime::fromSeconds(-1.5), RealTime(-1, -ONE_BILLION/2));
+    }
+
+    void fromMilliseconds()
+    {
+	QCOMPARE(RealTime::fromMilliseconds(0), RealTime(0, 0));
+	QCOMPARE(RealTime::fromMilliseconds(500), RealTime(0, ONE_BILLION/2));
+	QCOMPARE(RealTime::fromMilliseconds(1000), RealTime(1, 0));
+	QCOMPARE(RealTime::fromMilliseconds(1500), RealTime(1, ONE_BILLION/2));
+
+    	QCOMPARE(RealTime::fromMilliseconds(-0), RealTime(0, 0));
+	QCOMPARE(RealTime::fromMilliseconds(-500), RealTime(0, -ONE_BILLION/2));
+	QCOMPARE(RealTime::fromMilliseconds(-1000), RealTime(-1, 0));
+	QCOMPARE(RealTime::fromMilliseconds(-1500), RealTime(-1, -ONE_BILLION/2));
+    }
+    
+    void fromTimeval()
+    {
+	struct timeval tv;
+
+	tv.tv_sec = 0; tv.tv_usec = 0;
+	QCOMPARE(RealTime::fromTimeval(tv), RealTime(0, 0));
+	tv.tv_sec = 0; tv.tv_usec = ONE_MILLION/2;
+	QCOMPARE(RealTime::fromTimeval(tv), RealTime(0, ONE_BILLION/2));
+	tv.tv_sec = 1; tv.tv_usec = 0;
+	QCOMPARE(RealTime::fromTimeval(tv), RealTime(1, 0));
+	tv.tv_sec = 1; tv.tv_usec = ONE_MILLION/2;
+	QCOMPARE(RealTime::fromTimeval(tv), RealTime(1, ONE_BILLION/2));
+
+	tv.tv_sec = 0; tv.tv_usec = -ONE_MILLION/2;
+	QCOMPARE(RealTime::fromTimeval(tv), RealTime(0, -ONE_BILLION/2));
+	tv.tv_sec = -1; tv.tv_usec = 0;
+	QCOMPARE(RealTime::fromTimeval(tv), RealTime(-1, 0));
+	tv.tv_sec = -1; tv.tv_usec = -ONE_MILLION/2;
+	QCOMPARE(RealTime::fromTimeval(tv), RealTime(-1, -ONE_BILLION/2));
+    }
+
+    void fromXsdDuration()
+    {
+	QCOMPARE(RealTime::fromXsdDuration("PT0"), RealTime::zeroTime);
+	QCOMPARE(RealTime::fromXsdDuration("PT0S"), RealTime::zeroTime);
+	QCOMPARE(RealTime::fromXsdDuration("PT10S"), RealTime(10, 0));
+	QCOMPARE(RealTime::fromXsdDuration("PT10.5S"), RealTime(10, ONE_BILLION/2));
+	QCOMPARE(RealTime::fromXsdDuration("PT1.5S").sec, 1);
+	QCOMPARE(RealTime::fromXsdDuration("PT1.5S").msec(), 500);
+	QCOMPARE(RealTime::fromXsdDuration("-PT1.5S").sec, -1);
+	QCOMPARE(RealTime::fromXsdDuration("-PT1.5S").msec(), -500);
+	QCOMPARE(RealTime::fromXsdDuration("PT1M30.5S"), RealTime(90, ONE_BILLION/2));
+	QCOMPARE(RealTime::fromXsdDuration("PT1H2M30.5S"), RealTime(3750, ONE_BILLION/2));
+    }
+
+    void toDouble()
+    {
+	QCOMPARE(RealTime(0, 0).toDouble(), 0.0);
+	QCOMPARE(RealTime(0, ONE_BILLION/2).toDouble(), 0.5);
+	QCOMPARE(RealTime(1, 0).toDouble(), 1.0);
+	QCOMPARE(RealTime(1, ONE_BILLION/2).toDouble(), 1.5);
+
+	QCOMPARE(RealTime(0, -ONE_BILLION/2).toDouble(), -0.5);
+	QCOMPARE(RealTime(-1, 0).toDouble(), -1.0);
+	QCOMPARE(RealTime(-1, -ONE_BILLION/2).toDouble(), -1.5);
+    }
+
+    void assign()
+    {
+	RealTime r;
+	r = RealTime(0, 0);
+	QCOMPARE(r, RealTime::zeroTime);
+	r = RealTime(0, ONE_BILLION/2);
+	QCOMPARE(r.toDouble(), 0.5);
+	r = RealTime(-1, -ONE_BILLION/2);
+	QCOMPARE(r.toDouble(), -1.5);
+    }
+
+    void plus()
+    {
+	QCOMPARE(RealTime(0, 0) + RealTime(0, 0), RealTime(0, 0));
+
+	QCOMPARE(RealTime(0, 0) + RealTime(0, ONE_BILLION/2), RealTime(0, ONE_BILLION/2));
+	QCOMPARE(RealTime(0, ONE_BILLION/2) + RealTime(0, ONE_BILLION/2), RealTime(1, 0));
+	QCOMPARE(RealTime(1, 0) + RealTime(0, ONE_BILLION/2), RealTime(1, ONE_BILLION/2));
+
+	QCOMPARE(RealTime(0, 0) + RealTime(0, -ONE_BILLION/2), RealTime(0, -ONE_BILLION/2));
+	QCOMPARE(RealTime(0, -ONE_BILLION/2) + RealTime(0, -ONE_BILLION/2), RealTime(-1, 0));
+	QCOMPARE(RealTime(-1, 0) + RealTime(0, -ONE_BILLION/2), RealTime(-1, -ONE_BILLION/2));
+
+    	QCOMPARE(RealTime(1, 0) + RealTime(0, -ONE_BILLION/2), RealTime(0, ONE_BILLION/2));
+	QCOMPARE(RealTime(1, 0) + RealTime(0, -ONE_BILLION/2) + RealTime(0, -ONE_BILLION/2), RealTime(0, 0));
+	QCOMPARE(RealTime(1, 0) + RealTime(0, -ONE_BILLION/2) + RealTime(0, -ONE_BILLION/2) + RealTime(0, -ONE_BILLION/2), RealTime(0, -ONE_BILLION/2));
+
+	QCOMPARE(RealTime(0, ONE_BILLION/2) + RealTime(-1, 0), RealTime(0, -ONE_BILLION/2));
+	QCOMPARE(RealTime(0, -ONE_BILLION/2) + RealTime(1, 0), RealTime(0, ONE_BILLION/2));
+    }
+    
+    void minus()
+    {
+	QCOMPARE(RealTime(0, 0) - RealTime(0, 0), RealTime(0, 0));
+
+	QCOMPARE(RealTime(0, 0) - RealTime(0, ONE_BILLION/2), RealTime(0, -ONE_BILLION/2));
+	QCOMPARE(RealTime(0, ONE_BILLION/2) - RealTime(0, ONE_BILLION/2), RealTime(0, 0));
+	QCOMPARE(RealTime(1, 0) - RealTime(0, ONE_BILLION/2), RealTime(0, ONE_BILLION/2));
+
+	QCOMPARE(RealTime(0, 0) - RealTime(0, -ONE_BILLION/2), RealTime(0, ONE_BILLION/2));
+	QCOMPARE(RealTime(0, -ONE_BILLION/2) - RealTime(0, -ONE_BILLION/2), RealTime(0, 0));
+	QCOMPARE(RealTime(-1, 0) - RealTime(0, -ONE_BILLION/2), RealTime(0, -ONE_BILLION/2));
+
+    	QCOMPARE(RealTime(1, 0) - RealTime(0, -ONE_BILLION/2), RealTime(1, ONE_BILLION/2));
+	QCOMPARE(RealTime(1, 0) - RealTime(0, -ONE_BILLION/2) - RealTime(0, -ONE_BILLION/2), RealTime(2, 0));
+	QCOMPARE(RealTime(1, 0) - RealTime(0, -ONE_BILLION/2) - RealTime(0, -ONE_BILLION/2) - RealTime(0, -ONE_BILLION/2), RealTime(2, ONE_BILLION/2));
+
+	QCOMPARE(RealTime(0, ONE_BILLION/2) - RealTime(-1, 0), RealTime(1, ONE_BILLION/2));
+	QCOMPARE(RealTime(0, -ONE_BILLION/2) - RealTime(1, 0), RealTime(-1, -ONE_BILLION/2));
+    }
+
+    void negate()
+    {
+	QCOMPARE(-RealTime(0, 0), RealTime(0, 0));
+	QCOMPARE(-RealTime(1, 0), RealTime(-1, 0));
+	QCOMPARE(-RealTime(1, ONE_BILLION/2), RealTime(-1, -ONE_BILLION/2));
+	QCOMPARE(-RealTime(-1, -ONE_BILLION/2), RealTime(1, ONE_BILLION/2));
+    }
+
+    void compare()
+    {
+	int sec, nsec;
+	for (sec = -2; sec <= 2; sec += 2) {
+	    for (nsec = -1; nsec <= 1; nsec += 1) {
+		QCOMPARE(RealTime(sec, nsec) < RealTime(sec, nsec), false);
+		QCOMPARE(RealTime(sec, nsec) > RealTime(sec, nsec), false);
+		QCOMPARE(RealTime(sec, nsec) == RealTime(sec, nsec), true);
+		QCOMPARE(RealTime(sec, nsec) != RealTime(sec, nsec), false);
+		QCOMPARE(RealTime(sec, nsec) <= RealTime(sec, nsec), true);
+		QCOMPARE(RealTime(sec, nsec) >= RealTime(sec, nsec), true);
+	    }
+	}
+	RealTime prev(-3, 0);
+	for (sec = -2; sec <= 2; sec += 2) {
+	    for (nsec = -1; nsec <= 1; nsec += 1) {
+
+		RealTime curr(sec, nsec);
+
+		QCOMPARE(prev < curr, true);
+		QCOMPARE(prev > curr, false);
+		QCOMPARE(prev == curr, false);
+		QCOMPARE(prev != curr, true);
+		QCOMPARE(prev <= curr, true);
+		QCOMPARE(prev >= curr, false);
+
+		QCOMPARE(curr < prev, false);
+		QCOMPARE(curr > prev, true);
+		QCOMPARE(curr == prev, false);
+		QCOMPARE(curr != prev, true);
+		QCOMPARE(curr <= prev, false);
+		QCOMPARE(curr >= prev, true);
+
+		prev = curr;
+	    }
+	}
+    }
+
+	
+	
+};
+
+#endif
diff -r 13f53ecc8bb5 -r 216c4a06a462 base/test/main.cpp
--- a/base/test/main.cpp	Thu Nov 20 15:46:19 2014 +0000
+++ b/base/test/main.cpp	Thu Nov 20 15:47:05 2014 +0000
@@ -13,6 +13,7 @@
 
 #include "TestRangeMapper.h"
 #include "TestPitch.h"
+#include "TestRealTime.h"
 
 #include <QtTest>
 
@@ -36,6 +37,11 @@
 	if (QTest::qExec(&t, argc, argv) == 0) ++good;
 	else ++bad;
     }
+    {
+	TestRealTime t;
+	if (QTest::qExec(&t, argc, argv) == 0) ++good;
+	else ++bad;
+    }
 
     if (bad > 0) {
 	cerr << "\n********* " << bad << " test suite(s) failed!\n" << endl;
diff -r 13f53ecc8bb5 -r 216c4a06a462 base/test/test.pro
--- a/base/test/test.pro	Thu Nov 20 15:46:19 2014 +0000
+++ b/base/test/test.pro	Thu Nov 20 15:47:05 2014 +0000
@@ -49,7 +49,7 @@
 OBJECTS_DIR = o
 MOC_DIR = o
 
-HEADERS += TestRangeMapper.h TestPitch.h
+HEADERS += TestRangeMapper.h TestPitch.h TestRealTime.h
 SOURCES += main.cpp
 
 win* {