From c357d6caf3eb64d3fc2604868b696c1e34e8d16e Mon Sep 17 00:00:00 2001
From: John Glover <j@johnglover.net>
Date: Sat, 15 Jun 2013 23:38:39 +0200
Subject: Add basic tests for SndObjPartialTracking. Fix reading invalid memory
 address when looping over partials.

---
 tests/test_partial_tracking.cpp | 129 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)

(limited to 'tests/test_partial_tracking.cpp')

diff --git a/tests/test_partial_tracking.cpp b/tests/test_partial_tracking.cpp
index 31e0473..0c835fd 100644
--- a/tests/test_partial_tracking.cpp
+++ b/tests/test_partial_tracking.cpp
@@ -203,6 +203,135 @@ void TestSMSPartialTracking::test_streaming() {
 }
 
 
+// ---------------------------------------------------------------------------
+//	TestSndObjPartialTracking
+// ---------------------------------------------------------------------------
+void TestSndObjPartialTracking::setUp() {
+    _sf = SndfileHandle(TEST_AUDIO_FILE);
+
+    if(_sf.error() > 0) {
+        throw Exception(std::string("Could not open audio file: ") +
+                        std::string(TEST_AUDIO_FILE));
+    }
+
+    _pt.max_partials(5);
+}
+
+void TestSndObjPartialTracking::test_basic() {
+    int hop_size = 256;
+    int frame_size = 2048;
+    int num_samples = 4096;
+
+    _pd.clear();
+    _pt.reset();
+
+    _pd.hop_size(hop_size);
+    _pd.frame_size(frame_size);
+
+    std::vector<sample> audio(_sf.frames(), 0.0);
+    _sf.read(&audio[0], (int)_sf.frames());
+
+    Frames frames = _pd.find_peaks(num_samples,
+                                   &(audio[(int)_sf.frames() / 2]));
+    frames = _pt.find_partials(frames);
+
+    for(int i = 0; i < frames.size(); i++) {
+        CPPUNIT_ASSERT(frames[i]->num_peaks() > 0);
+        CPPUNIT_ASSERT(frames[i]->num_partials() > 0);
+    }
+}
+
+void TestSndObjPartialTracking::test_change_num_partials() {
+    int hop_size = 256;
+    int frame_size = 2048;
+    int num_samples = 4096;
+    int max_partials = 10;
+
+    _pd.clear();
+    _pt.reset();
+
+    _pd.hop_size(hop_size);
+    _pd.frame_size(frame_size);
+
+    _pd.max_peaks(max_partials);
+    _pt.max_partials(max_partials);
+
+    std::vector<sample> audio(_sf.frames(), 0.0);
+    _sf.read(&audio[0], (int)_sf.frames());
+
+    Frames frames = _pd.find_peaks(num_samples,
+                                   &(audio[(int)_sf.frames() / 2]));
+    frames = _pt.find_partials(frames);
+
+    for(int i = 0; i < frames.size(); i++) {
+        CPPUNIT_ASSERT(frames[i]->num_peaks() == max_partials);
+        CPPUNIT_ASSERT(frames[i]->num_partials() == max_partials);
+    }
+}
+
+void TestSndObjPartialTracking::test_peaks() {
+    int num_frames = 8;
+    Frames frames;
+
+    _pd.clear();
+    _pt.reset();
+
+    for(int i = 0; i < num_frames; i++) {
+        Frame* f = new Frame();
+        f->add_peak(0.4, 220, 0, 0);
+        f->add_peak(0.2, 440, 0, 0);
+        frames.push_back(f);
+    }
+
+    _pt.find_partials(frames);
+    for(int i = 1; i < num_frames; i++) {
+        CPPUNIT_ASSERT(frames[i]->num_peaks() > 0);
+        CPPUNIT_ASSERT(frames[i]->num_partials() > 0);
+        CPPUNIT_ASSERT_DOUBLES_EQUAL(0.4, frames[i]->partial(0)->amplitude,
+                                     PRECISION);
+        CPPUNIT_ASSERT_DOUBLES_EQUAL(220, frames[i]->partial(0)->frequency,
+                                     PRECISION);
+        CPPUNIT_ASSERT_DOUBLES_EQUAL(0.2, frames[i]->partial(1)->amplitude,
+                                     PRECISION);
+        CPPUNIT_ASSERT_DOUBLES_EQUAL(440, frames[i]->partial(1)->frequency,
+                                     PRECISION);
+    }
+
+    for(int i = 0; i < num_frames; i++) {
+        delete frames[i];
+    }
+}
+
+void TestSndObjPartialTracking::test_streaming() {
+    int hop_size = 256;
+    int frame_size = 2048;
+    int num_frames = 10;
+    int max_partials = 10;
+
+    _pd.clear();
+    _pt.reset();
+
+    _pd.hop_size(hop_size);
+    _pd.frame_size(frame_size);
+
+    _pd.max_peaks(max_partials);
+    _pt.max_partials(max_partials);
+
+    std::vector<sample> audio(_sf.frames(), 0.0);
+    _sf.read(&audio[0], (int)_sf.frames());
+
+    for(int i = 0, n = (int)_sf.frames() / 2; i < num_frames; i++, n += hop_size) {
+        Frame f(frame_size, true);
+        f.audio(&(audio[n]), frame_size);
+
+        _pd.find_peaks_in_frame(&f);
+        _pt.update_partials(&f);
+
+        CPPUNIT_ASSERT(f.num_partials() > 0);
+    }
+}
+
+
 // ---------------------------------------------------------------------------
 //	TestLorisPartialTracking
 // ---------------------------------------------------------------------------
-- 
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