diff unit-tests/BTrack Tests/tests/Test_BTrack.cpp @ 56:b6d440942ff6

Added some simple unit tests. Removed the destructor from the BTrack class as it was unnecessary.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/unit-tests/BTrack Tests/tests/Test_BTrack.cpp	Thu Jan 23 12:17:06 2014 +0000
@@ -0,0 +1,219 @@
+#ifndef BTRACK_TESTS
+#define BTRACK_TESTS
+
+#define BOOST_TEST_DYN_LINK
+#include <boost/test/unit_test.hpp>
+
+#include <iostream>
+#include "../../../src/BTrack.h"
+
+//======================================================================
+//=================== PROCESSING SIMPLE VALUES =========================
+//======================================================================
+BOOST_AUTO_TEST_SUITE(processingSimpleValues)
+
+//======================================================================
+BOOST_AUTO_TEST_CASE(processZeroValuedOnsetDetectionFunctionSamples)
+{
+    BTrack b(512);
+    
+    long numSamples = 20000;
+    
+    std::vector<double> odfSamples;
+    
+    int maxInterval = 0;
+    int currentInterval = 0;
+    int numBeats = 0;
+    
+    for (int i = 0;i < numSamples;i++)
+    {
+        b.processOnsetDetectionFunctionSample(0.0);
+        
+        currentInterval++;
+        
+        if (b.playbeat == 1)
+        {
+            numBeats++;
+            
+            if (currentInterval > maxInterval)
+            {
+                maxInterval = currentInterval;
+            }
+            
+            currentInterval = 0;
+        }
+    }
+    
+    // check that the maximum interval between beats does not
+    // exceed 100 onset detection function samples (~ 1.3 seconds)
+    BOOST_CHECK(maxInterval < 100);
+    
+    // check that we have at least a beat for every 100 samples
+    BOOST_CHECK(numBeats > (numSamples/100));
+    
+}
+
+//======================================================================
+BOOST_AUTO_TEST_CASE(processRandomOnsetDetectionFunctionSamples)
+{
+    BTrack b(512);
+    
+    long numSamples = 20000;
+    
+    std::vector<double> odfSamples;
+    
+    int maxInterval = 0;
+    int currentInterval = 0;
+    int numBeats = 0;
+    
+    for (int i = 0;i < numSamples;i++)
+    {
+        odfSamples.push_back(random() % 1000);
+    }
+    
+    for (int i = 0;i < numSamples;i++)
+    {
+        b.processOnsetDetectionFunctionSample(odfSamples[i]);
+        
+        currentInterval++;
+        
+        if (b.playbeat == 1)
+        {
+            numBeats++;
+            
+            if (currentInterval > maxInterval)
+            {
+                maxInterval = currentInterval;
+            }
+            
+            currentInterval = 0;
+        }
+    }
+    
+    // check that the maximum interval between beats does not
+    // exceed 100 onset detection function samples (~ 1.3 seconds)
+    BOOST_CHECK(maxInterval < 100);
+    
+    // check that we have at least a beat for every 100 samples
+    BOOST_CHECK(numBeats > (numSamples/100));
+    
+}
+
+//======================================================================
+BOOST_AUTO_TEST_CASE(processNegativeOnsetDetectionFunctionSamples)
+{
+    BTrack b(512);
+    
+    long numSamples = 20000;
+    
+    std::vector<double> odfSamples;
+    
+    int maxInterval = 0;
+    int currentInterval = 0;
+    int numBeats = 0;
+    
+    for (int i = 0;i < numSamples;i++)
+    {
+        odfSamples.push_back(-1.0*(random() % 1000));
+    }
+    
+    for (int i = 0;i < numSamples;i++)
+    {
+        b.processOnsetDetectionFunctionSample(odfSamples[i]);
+        
+        currentInterval++;
+        
+        if (b.playbeat == 1)
+        {
+            numBeats++;
+            
+            if (currentInterval > maxInterval)
+            {
+                maxInterval = currentInterval;
+            }
+            
+            currentInterval = 0;
+        }
+    }
+    
+    // check that the maximum interval between beats does not
+    // exceed 100 onset detection function samples (~ 1.3 seconds)
+    BOOST_CHECK(maxInterval < 100);
+    
+    // check that we have at least a beat for every 100 samples
+    BOOST_CHECK(numBeats > (numSamples/100));
+    
+}
+
+//======================================================================
+BOOST_AUTO_TEST_CASE(processSeriesOfDeltaFunctions)
+{
+    BTrack b(512);
+    
+    long numSamples = 20000;
+    int beatPeriod = 43;
+    
+    std::vector<double> odfSamples;
+    
+    int maxInterval = 0;
+    int currentInterval = 0;
+    int numBeats = 0;
+    int correct = 0;
+    
+    for (int i = 0;i < numSamples;i++)
+    {
+        if (i % beatPeriod == 0)
+        {
+            odfSamples.push_back(1000);
+        }
+        else
+        {
+            odfSamples.push_back(0.0);
+        }
+    }
+    
+    for (int i = 0;i < numSamples;i++)
+    {
+        b.processOnsetDetectionFunctionSample(odfSamples[i]);
+        
+        currentInterval++;
+        
+        if (b.playbeat == 1)
+        {
+            numBeats++;
+            
+            if (currentInterval > maxInterval)
+            {
+                maxInterval = currentInterval;
+            }
+            
+            if (currentInterval == beatPeriod)
+            {
+                correct++;
+            }
+            
+            currentInterval = 0;
+        }
+    }
+    
+    // check that the maximum interval between beats does not
+    // exceed 100 onset detection function samples (~ 1.3 seconds)
+    BOOST_CHECK(maxInterval < 100);
+    
+    // check that we have at least a beat for every 100 samples
+    BOOST_CHECK(numBeats > (numSamples/100));
+    
+    // check that the number of correct beats is larger than 99%
+    // of the total number of beats
+    BOOST_CHECK(((double)correct) > (((double)numBeats)*0.99));
+}
+
+
+BOOST_AUTO_TEST_SUITE_END()
+
+
+
+
+
+
+#endif