src/Tests/MicrotonalTest.cpp

   1 /*
   2   ZynAddSubFX - a software synthesizer
   3
   4   MicrotonalTest.h - CxxTest for Misc/Microtonal
   5   Copyright (C) 2009-2012 Mark McCurry
   6   Author: Mark McCurry
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12 */
  13 #include "test-suite.h"
  14 #include <iostream>
  15 #include "../Misc/Microtonal.h"
  16 #include "../Misc/XMLwrapper.h"
  17 #include <cstring>
  18 #include <string>
  19 #include <cstdio>
  20 #include "../globals.h"
  21 using namespace std;
  22 using namespace zyn;
  23
  24 SYNTH_T *synth;
  25
  26 class MicrotonalTest
  27 {
  28     public:
  29         int compression;
  30         void setUp() {
  31             compression = 0;
  32             synth       = new SYNTH_T;
  33             testMicro   = new Microtonal(compression);
  34         }
  35
  36         void tearDown() {
  37             delete testMicro;
  38             delete synth;
  39         }
  40
  41         //Verifies that the object is initialized correctly
  42         void testinit() {
  43             TS_ASSERT_EQUAL_INT(testMicro->Pinvertupdown, 0);
  44             TS_ASSERT_EQUAL_INT(testMicro->Pinvertupdowncenter, 60);
  45             TS_ASSERT_EQUAL_INT(testMicro->getoctavesize(), 12);
  46             TS_ASSERT_EQUAL_INT(testMicro->Penabled, 0);
  47             TS_ASSERT_EQUAL_INT(testMicro->PAnote, 69);
  48             TS_ASSERT_EQUAL_INT(testMicro->PAfreq, 440.0f);
  49             TS_ASSERT_EQUAL_INT(testMicro->Pscaleshift, 64);
  50             TS_ASSERT_EQUAL_INT(testMicro->Pfirstkey, 0);
  51             TS_ASSERT_EQUAL_INT(testMicro->Plastkey, 127);
  52             TS_ASSERT_EQUAL_INT(testMicro->Pmiddlenote, 60);
  53             TS_ASSERT_EQUAL_INT(testMicro->Pmapsize, 12);
  54             TS_ASSERT_EQUAL_INT(testMicro->Pmappingenabled, 0);
  55             TS_ASSERT_EQUAL_INT(testMicro->Pglobalfinedetune, 64);
  56
  57             TS_ASSERT_EQUAL_STR("12tET", (const char *)testMicro->Pname);
  58             TS_ASSERT_EQUAL_STR("Equal Temperament 12 notes per octave",
  59                     testMicro->Pcomment);
  60
  61             for(int i = 0; i < 128; ++i)
  62                 TS_ASSERT_EQUAL_INT(i, testMicro->Pmapping[i]);
  63
  64             TS_ASSERT_DELTA(testMicro->getnotefreq(19 / 12.0f, 0), 24.4997f, 0.0001f);
  65         }
  66
  67         //Tests saving/loading to XML
  68         void testXML() {
  69             //Gah, the XMLwrapper is a twisted maze
  70             testMicro->Penabled = 1;
  71             XMLwrapper xml;
  72             xml.beginbranch("Dummy"); //this should not be needed, but odd behavior
  73                                       //seems to exist from MICROTONAL being on the
  74                                       //top of the stack
  75             xml.beginbranch("MICROTONAL");
  76             testMicro->add2XML(xml);
  77             xml.endbranch();
  78             xml.endbranch();
  79
  80             char *tmp = xml.getXMLdata();
  81             Microtonal other(compression);
  82
  83             other.Penabled = 1;
  84             strcpy((char *)other.Pname, "Myname"); //will be nicer with strings
  85
  86             TS_ASSERT(*testMicro != other); //sanity check
  87
  88             TS_ASSERT(xml.enterbranch("Dummy"));
  89             TS_ASSERT(xml.enterbranch("MICROTONAL"));
  90
  91             other.getfromXML(xml);
  92             xml.exitbranch();
  93             xml.exitbranch();
  94             char *tmpo = xml.getXMLdata();
  95
  96             TS_ASSERT(!strcmp(tmp, tmpo));
  97             free(tmp);
  98             free(tmpo);
  99         }
 100
 101 #if 0
 102         /**\todo Test Saving/loading from file*/
 103
 104         //Test texttomapping TODO finish
 105         void _testTextToMapping() {
 106             //the mapping is from old documentation for "Intense Diatonic" scale
 107             const char *mapping[12] =
 108             {"0", "x", "1", "x", "2", "3", "x", "4", "x", "5", "x", "6"};
 109             //for(int i=0;i<20;++i)
 110             //    cout << i << ':' << testMicro->getnotefreq(i,0) << endl;
 111             //
 112             //    octave size == 7
 113             //    find dead notes
 114         }
 115         //Test texttotunings TODO finish
 116         void _testTextToTunings() {
 117             //the tuning is from old documentation for "Intense Diatonic" scale
 118             const char *tuning[7] =
 119             {"9/8", "5/4", "4/3", "3/2", "5/3", "15/8", "2/1"};
 120             const int numTunings = 7;
 121             //for(int i=0;i<20;++i)
 122             //    cout << i << ':' << testMicro->getnotefreq(i,0) << endl;
 123             //    go to middle key and verify the proportions
 124         }
 125         /**\TODO test loading from scl and kbm files*/
 126 #endif
 127
 128     private:
 129         Microtonal *testMicro;
 130 };
 131
 132 int main()
 133 {
 134     MicrotonalTest test;
 135     RUN_TEST(testinit);
 136     RUN_TEST(testXML);
 137     return test_summary();
 138 }