zynaddsubfx

ZynAddSubFX open source synthesizer
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MicrotonalTest.cpp (4622B)

      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 }