Experimental dynamic, position based, velocity range detection.

2 files changed, 177 insertions, 1 deletions

diff --git a/test/Makefile.am b/test/Makefile.am
index 15ceb7d..64b2462 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -8,7 +8,7 @@ TESTS = resource enginetest paintertest configfile audiocache \
 	randomtest atomictest syncedsettingstest imagecachetest \
 	semaphoretest drumkitcreatortest bytesizeparsertest notifiertest \
 	dgxmlparsertest domloadertest configparsertest midimapparsertest \
-	eventsdstest powermaptest midimappertest
+	eventsdstest powermaptest midimappertest positionpowertest
 
 if WITH_NLS
 TESTS += translationtest
@@ -354,6 +354,17 @@ midimappertest_SOURCES = \
 	midimappertest.cc \
 	uunit/uunit.cc
 
+positionpowertest_CXXFLAGS = \
+	-I$(top_srcdir)/test/uunit -DOUTPUT=\"positionpowertest\" \
+	$(DEBUG_FLAGS) \
+	-I$(top_srcdir)/src
+positionpowertest_LDFLAGS =
+positionpowertest_SOURCES = \
+	$(top_srcdir)/src/sample.cc \
+	$(top_srcdir)/src/position_power.cc \
+	position_power_test.cc \
+	uunit/uunit.cc
+
 RES = \
 	$(top_srcdir)/test/locale/da.mo
 
diff --git a/test/position_power_test.cc b/test/position_power_test.cc
new file mode 100644
index 0000000..bd8906d
--- /dev/null
+++ b/test/position_power_test.cc
@@ -0,0 +1,165 @@
+/* -*- Mode: c++ -*- */
+/***************************************************************************
+ *            position_power_test.cc
+ *
+ *  Wed Jul 24 15:24:53 CEST 2024
+ *  Copyright 2024 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include <uunit.h>
+
+#include "../src/position_power.h"
+
+class test_position_powertest
+	: public uUnit
+{
+public:
+	test_position_powertest()
+	{
+		uTEST(test_position_powertest::empty);
+		uTEST(test_position_powertest::boundary);
+	}
+
+	void empty()
+	{
+		std::vector<Sample*> samplelist;
+		auto res = positionPower(samplelist, 0);
+		uASSERT_EQUAL(0.0, res.min);
+		uASSERT_EQUAL(1.0, res.max);
+	}
+
+	void boundary()
+	{
+		// Sig:    nam, pwr, pos
+		Sample s1_1{{}, 1.1, 1.0};
+		Sample s2_1{{}, 2.1, 1.0};
+		Sample s3_1{{}, 3.1, 1.0};
+		Sample s4_1{{}, 4.1, 1.0};
+		Sample s5_1{{}, 5.1, 1.0};
+
+		Sample s1_2{{}, 1.2, 2.0};
+		Sample s2_2{{}, 2.2, 2.0};
+		Sample s3_2{{}, 3.2, 2.0};
+		Sample s4_2{{}, 4.2, 2.0};
+		Sample s5_2{{}, 5.2, 2.0};
+		Sample s6_2{{}, 6.2, 2.0};
+		Sample s7_2{{}, 7.2, 2.0};
+
+		Sample s1_3{{}, 1.3, 3.0};
+		Sample s2_3{{}, 2.3, 3.0};
+		Sample s3_3{{}, 3.3, 3.0};
+		Sample s4_3{{}, 4.3, 3.0};
+		Sample s5_3{{}, 5.3, 3.0};
+		Sample s6_3{{}, 6.3, 3.0};
+		Sample s7_3{{}, 7.3, 3.0};
+
+		{ // one [s1_1, s1_1]
+			std::vector<Sample*> samplelist{&s1_1};
+			auto res = positionPower(samplelist, 1.0);
+			uASSERT_EQUAL(1.1, res.min);
+			uASSERT_EQUAL(1.1, res.max);
+		}
+
+		{ // two with same position [s1_1, s2_1]
+			std::vector<Sample*> samplelist{&s1_1, &s2_1};
+			auto res = positionPower(samplelist, 1.0);
+			uASSERT_EQUAL(1.1, res.min);
+			uASSERT_EQUAL(2.1, res.max);
+		}
+
+		{ // two with different position [s1_1, s2_2]
+			std::vector<Sample*> samplelist{&s1_1, &s2_2};
+			auto res = positionPower(samplelist, 1.0);
+			uASSERT_EQUAL(1.1, res.min);
+			uASSERT_EQUAL(1.1, res.max);
+		}
+
+		{ // three [s1, (s2), s3] - one "hidden" inside range
+			std::vector<Sample*> samplelist{&s1_1, &s2_1, &s3_1};
+			auto res = positionPower(samplelist, 1.0);
+			uASSERT_EQUAL(1.1, res.min);
+			uASSERT_EQUAL(3.1, res.max);
+		}
+
+		{ // six [s1, (s2), s3] - one "hidden" inside range and three ouside boundary
+			std::vector<Sample*> samplelist{&s1_1, &s2_1, &s3_1, &s1_2, &s2_2, &s3_2};
+			auto res = positionPower(samplelist, 1.0);
+			uASSERT_EQUAL(1.1, res.min);
+			uASSERT_EQUAL(3.1, res.max);
+		}
+
+		{ // six [s1, (s2), s3] - one "hidden" inside range and three ouside boundary
+			std::vector<Sample*> samplelist{&s1_1, &s2_1, &s3_1, &s1_2, &s2_2, &s3_2};
+			auto res = positionPower(samplelist, 2.0);
+			uASSERT_EQUAL(1.2, res.min);
+			uASSERT_EQUAL(3.2, res.max);
+		}
+
+		{ // again, six in two position groups (1 and 2), lower three is the closest to 1.49
+			std::vector<Sample*> samplelist{&s1_1, &s2_1, &s3_1, &s1_2, &s2_2, &s3_2};
+			auto res = positionPower(samplelist, 1.49);
+			uASSERT_EQUAL(1.1, res.min);
+			uASSERT_EQUAL(3.1, res.max);
+		}
+
+		{ // again, six in two position groups (1 and 2), upper three is the closest to 1.51
+			std::vector<Sample*> samplelist{&s1_1, &s2_1, &s3_1, &s1_2, &s2_2, &s3_2};
+			auto res = positionPower(samplelist, 1.51);
+			uASSERT_EQUAL(1.2, res.min);
+			uASSERT_EQUAL(3.2, res.max);
+		}
+
+		{ // 8, first one at position the remaining at other position
+			// 1/4th of the samples are 2, and the second one belongs to group 2, which
+			// will drag in the rest of group 2 with it
+			std::vector<Sample*> samplelist{&s1_1, &s1_2, &s2_2, &s3_2,
+			                                &s4_2, &s5_2, &s6_2, &s7_2};
+			auto res = positionPower(samplelist, 1);
+			uASSERT_EQUAL(1.1, res.min);
+			uASSERT_EQUAL(7.2, res.max);
+		}
+
+		{ // 9, first one at position the remaining at other position + one from group 3
+			// at the end which is ignored
+			// 1/4th of the samples are 2, and the second one belongs to group 2, which
+			// will drag in the rest of group 2 with it
+			std::vector<Sample*> samplelist{&s1_1, &s1_2, &s2_2, &s3_2,
+			                                &s4_2, &s5_2, &s6_2, &s7_2, &s7_3};
+			auto res = positionPower(samplelist, 1);
+			uASSERT_EQUAL(1.1, res.min);
+			uASSERT_EQUAL(7.2, res.max);
+		}
+
+		{ // 8, first one from group 1, then 6 from group 2 and finally one from group 3
+			// first and last should be ignored - input pos is closest to group 2
+			std::vector<Sample*> samplelist{&s1_1,
+			                                &s1_2, &s2_2, &s3_2, &s4_2,
+			                                &s7_3};
+			auto res = positionPower(samplelist, 2.1);
+			uASSERT_EQUAL(1.2, res.min);
+			uASSERT_EQUAL(4.2, res.max);
+		}
+
+	}
+};
+
+// Registers the fixture into the 'registry'
+static test_position_powertest test;