diff --git a/Makefile b/Makefile
index 313a66a..539ab57 100644
--- a/Makefile
+++ b/Makefile
@@ -9,13 +9,11 @@ LIBS = `pkg-config --libs glib-2.0 gio-2.0 gtk+-2.0 alsa` -lexpat
 
 all: gdigi
 
-gdigi: knob.h gdigi.o tests.o gui.o effects.o preset.o gtkknob.o
-	$(CC) $(LIBS) $(OFLAG) gdigi gdigi.o tests.o gui.o effects.o preset.o gtkknob.o
+gdigi: knob.h gdigi.o gui.o effects.o preset.o gtkknob.o
+	$(CC) $(LIBS) $(OFLAG) gdigi gdigi.o gui.o effects.o preset.o gtkknob.o
 
 gdigi.o: gdigi.c
 
-tests.o: tests.c
-
 gui.o: gui.c
 
 effects.o: effects.c
diff --git a/tests.c b/tests.c
deleted file mode 100644
index a82adb5..0000000
--- a/tests.c
+++ /dev/null
@@ -1,644 +0,0 @@
-/*
- *  Copyright (c) 2009 Tomasz Moń <desowin@gmail.com>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; under version 3 of the License.
- *
- *  This program 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 General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses>.
- */
-
-#include "gdigi.h"
-
-void test_wah()
-{
-    int x;
-
-    set_option(WAH_TYPE, WAH_POSITION, WAH_TYPE_CRY);
-    for (x=0; x<=99; x++)
-        set_option(WAH_MIN, WAH_POSITION_MIN_MAX, x);
-
-    for (x=0; x<=99; x++)
-        set_option(WAH_MAX, WAH_POSITION_MIN_MAX, x);
-
-    for (x=0; x<=12; x++)
-        set_option(WAH_LEVEL, WAH_POSITION, x);
-
-    set_option(WAH_TYPE, WAH_POSITION, WAH_TYPE_FULLRANGE);
-    for (x=0; x<=99; x++)
-        set_option(WAH_MIN, WAH_POSITION_MIN_MAX, x);
-
-    for (x=0; x<=99; x++)
-        set_option(WAH_MAX, WAH_POSITION_MIN_MAX, x);
-
-    for (x=0; x<=12; x++)
-        set_option(WAH_LEVEL, WAH_POSITION, x);
-
-    set_option(WAH_TYPE, WAH_POSITION, WAH_TYPE_CLYDE);
-    for (x=0; x<=99; x++)
-        set_option(WAH_MIN, WAH_POSITION_MIN_MAX, x);
-
-    for (x=0; x<=99; x++)
-        set_option(WAH_MAX, WAH_POSITION_MIN_MAX, x);
-
-    for (x=0; x<=12; x++)
-        set_option(WAH_LEVEL, WAH_POSITION, x);
-
-    set_option(WAH_ON_OFF, WAH_POSITION, 1);
-    set_option(WAH_ON_OFF, WAH_POSITION, 0);
-}
-
-void test_compressor()
-{
-    int x;
-
-    set_option(COMP_TYPE, COMP_POSITION, COMP_TYPE_DIGI);
-    for (x=0; x<=99; x++)
-        set_option(COMP_SUSTAIN, COMP_POSITION, x);
-
-    for (x=0; x<=99; x++)
-        set_option(COMP_TONE, COMP_POSITION, x);
-
-    for (x=0; x<=99; x++)
-        set_option(COMP_ATTACK, COMP_POSITION, x);
-
-    for (x=0; x<=99; x++)
-        set_option(COMP_LEVEL, COMP_POSITION, x);
-
-    set_option(COMP_TYPE, COMP_POSITION, COMP_TYPE_CS);
-    for (x=0; x<=99; x++)
-        set_option(COMP_SUSTAIN, COMP_POSITION, x);
-
-    for (x=0; x<=99; x++)
-        set_option(COMP_ATTACK, COMP_POSITION, x);
-
-    for (x=0; x<=99; x++)
-        set_option(COMP_LEVEL, COMP_POSITION, x);
-
-    set_option(COMP_ON_OFF, COMP_POSITION, 1);
-    set_option(COMP_ON_OFF, COMP_POSITION, 0);
-}
-
-void test_dist()
-{
-    int x;
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_SCREAMER);
-    for (x=0; x<=99; x++)
-        set_option(DIST_SCREAMER_DRIVE, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_SCREAMER_TONE, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_SCREAMER_LVL, DIST_POSITION, x);
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_808);
-    for (x=0; x<=99; x++)
-        set_option(DIST_808_OVERDRIVE, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_808_TONE, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_808_LVL, DIST_POSITION, x);
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_GUYOD);
-    for (x=0; x<=99; x++)
-        set_option(DIST_GUYOD_DRIVE, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_GUYOD_LVL, DIST_POSITION, x);
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_DOD250);
-    for (x=0; x<=99; x++)
-        set_option(DIST_DOD250_GAIN, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_DOD250_LVL, DIST_POSITION, x);
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_RODENT);
-    for (x=0; x<=99; x++)
-        set_option(DIST_RODENT_DIST, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_RODENT_FILTER, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_RODENT_LVL, DIST_POSITION, x);
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_MX);
-    for (x=0; x<=99; x++)
-        set_option(DIST_MX_DIST, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_MX_OUTPUT, DIST_POSITION, x);
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_DS);
-    for (x=0; x<=99; x++)
-        set_option(DIST_DS_GAIN, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_DS_TONE, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_DS_LVL, DIST_POSITION, x);
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_GRUNGE);
-    for (x=0; x<=99; x++)
-        set_option(DIST_GRUNGE_GRUNGE, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_GRUNGE_FACE, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_GRUNGE_LOUD, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_GRUNGE_BUTT, DIST_POSITION, x);
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_ZONE);
-    for (x=0; x<=99; x++)
-        set_option(DIST_ZONE_GAIN, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_ZONE_LOW, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_ZONE_MID_LVL, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_ZONE_MID_FREQ, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_ZONE_HIGH, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_ZONE_LEVEL, DIST_POSITION, x);
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_DEATH);
-    for (x=0; x<=99; x++)
-        set_option(DIST_DEATH_LOW, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_DEATH_MID, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_DEATH_HIGH, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_DEATH_LVL, DIST_POSITION, x);
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_GONK);
-    for (x=0; x<=99; x++)
-        set_option(DIST_GONK_GONK, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_GONK_SMEAR, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_GONK_SUCK, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_GONK_HEAVE, DIST_POSITION, x);
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_FUZZY);
-    for (x=0; x<=99; x++)
-        set_option(DIST_FUZZY_FUZZ, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_FUZZY_VOLUME, DIST_POSITION, x);
-
-    set_option(DIST_TYPE, DIST_POSITION, DIST_TYPE_MP);
-    for (x=0; x<=99; x++)
-        set_option(DIST_MP_SUSTAIN, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_MP_TONE, DIST_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIST_MP_VOLUME, DIST_POSITION, x);
-
-    set_option(DIST_ON_OFF, DIST_POSITION, 1);
-    set_option(DIST_ON_OFF, DIST_POSITION, 0);
-}
-
-void test_presets()
-{
-    int x;
-
-    for (x=0; x<=60; x++)
-        switch_preset(PRESETS_USER, x);
-
-    for (x=0; x<=60; x++)
-        switch_preset(PRESETS_SYSTEM, x);
-}
-
-void test_pickups()
-{
-    set_option(PICKUP_TYPE, PICKUP_POSITION, PICKUP_TYPE_HB_SC);
-    set_option(PICKUP_TYPE, PICKUP_POSITION, PICKUP_TYPE_SC_HB);
-
-    set_option(PICKUP_ON_OFF, PICKUP_POSITION, 1);
-    set_option(PICKUP_ON_OFF, PICKUP_POSITION, 0);
-}
-
-void test_eq()
-{
-    int x;
-
-    set_option(EQ_TYPE, EQ_POSITION, EQ_TYPE_BRIGHT);
-    set_option(EQ_TYPE, EQ_POSITION, EQ_TYPE_MIDBOOST);
-    set_option(EQ_TYPE, EQ_POSITION, EQ_TYPE_SCOOP);
-    set_option(EQ_TYPE, EQ_POSITION, EQ_TYPE_WARM);
-
-    for (x=0; x<=99; x++)
-        set_option(AMP_GAIN, AMP_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(AMP_LEVEL, AMP_POSITION, x);
-
-    for (x=0; x<=0x18; x++)
-        set_option(EQ_BASS, EQ_POSITION, x);
-    for (x=0; x<=0x18; x++)
-        set_option(EQ_MID, EQ_POSITION, x);
-    for (x=0; x<=4700; x++)
-        set_option(EQ_MID_HZ, EQ_POSITION, x);
-    for (x=0; x<=0x18; x++)
-        set_option(EQ_TREBLE, EQ_POSITION, x);
-    for (x=0; x<=7500; x++)
-        set_option(EQ_TREBLE_HZ, EQ_POSITION, x);
-
-    set_option(EQ_ON_OFF, EQ_POSITION, 1);
-    set_option(EQ_ON_OFF, EQ_POSITION, 0);
-}
-
-void test_noisegate()
-{
-    int x;
-
-    set_option(NOISEGATE_TYPE, NOISEGATE_POSITION, NOISEGATE_GATE);
-    for (x=0; x<=99; x++)
-        set_option(NOISEGATE_GATE_TRESHOLD, NOISEGATE_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(NOISEGATE_ATTACK, NOISEGATE_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(NOISEGATE_RELEASE, NOISEGATE_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(NOISEGATE_ATTN, NOISEGATE_POSITION, x);
-
-    set_option(NOISEGATE_TYPE, NOISEGATE_POSITION, NOISEGATE_SWELL);
-    for (x=0; x<=99; x++)
-        set_option(NOISEGATE_SWELL_SENS, NOISEGATE_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(NOISEGATE_ATTACK, NOISEGATE_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(NOISEGATE_RELEASE, NOISEGATE_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(NOISEGATE_ATTN, NOISEGATE_POSITION, x);
-
-    set_option(NOISEGATE_ON_OFF, NOISEGATE_POSITION, 1);
-    set_option(NOISEGATE_ON_OFF, NOISEGATE_POSITION, 0);
-}
-
-void test_chorusfx()
-{
-    int x;
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_CE);
-    for (x=0; x<=99; x++)
-        set_option(CE_CHORUS_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(CE_CHORUS_DEPTH, CHORUSFX_POSITION, x);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_DUAL);
-    for (x=0; x<=99; x++)
-        set_option(DUAL_CHORUS_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DUAL_CHORUS_DEPTH, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DUAL_CHORUS_LEVEL, CHORUSFX_POSITION, x);
-    set_option(DUAL_CHORUS_WAVE, CHORUSFX_POSITION, WAVE_TRI);
-    set_option(DUAL_CHORUS_WAVE, CHORUSFX_POSITION, WAVE_SINE);
-    set_option(DUAL_CHORUS_WAVE, CHORUSFX_POSITION, WAVE_SQUARE);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_MULTI);
-    for (x=0; x<=99; x++)
-        set_option(MULTI_CHORUS_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(MULTI_CHORUS_DEPTH, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(MULTI_CHORUS_LEVEL, CHORUSFX_POSITION, x);
-    set_option(MULTI_CHORUS_WAVE, CHORUSFX_POSITION, WAVE_TRI);
-    set_option(MULTI_CHORUS_WAVE, CHORUSFX_POSITION, WAVE_SINE);
-    set_option(MULTI_CHORUS_WAVE, CHORUSFX_POSITION, WAVE_SQUARE);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_FLANGER);
-    for (x=0; x<=99; x++)
-        set_option(FLANGER_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(FLANGER_DEPTH, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(FLANGER_REGEN, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(FLANGER_LEVEL, CHORUSFX_POSITION, x);
-    set_option(FLANGER_WAVE, CHORUSFX_POSITION, WAVE_TRI);
-    set_option(FLANGER_WAVE, CHORUSFX_POSITION, WAVE_SINE);
-    set_option(FLANGER_WAVE, CHORUSFX_POSITION, WAVE_SQUARE);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_MXR_FLANGER);
-    for (x=0; x<=99; x++)
-        set_option(MXR_FLANGER_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(MXR_FLANGER_WIDTH, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(MXR_FLANGER_REGEN, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(MXR_FLANGER_MANUAL, CHORUSFX_POSITION, x);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_PHASER);
-    for (x=0; x<=99; x++)
-        set_option(PHASER_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(PHASER_DEPTH, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(PHASER_REGEN, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(PHASER_LEVEL, CHORUSFX_POSITION, x);
-    set_option(PHASER_WAVE, CHORUSFX_POSITION, WAVE_TRI);
-    set_option(PHASER_WAVE, CHORUSFX_POSITION, WAVE_SINE);
-    set_option(PHASER_WAVE, CHORUSFX_POSITION, WAVE_SQUARE);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_VIBRATO);
-    for (x=0; x<=99; x++)
-        set_option(VIBRATO_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(VIBRATO_DEPTH, CHORUSFX_POSITION, x);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_ROTARY);
-    for (x=0; x<=99; x++)
-        set_option(ROTARY_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(ROTARY_INTENSITY, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(ROTARY_DOPPLER, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(ROTARY_CROSSOVER, CHORUSFX_POSITION, x);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_VIBROPAN);
-    for (x=0; x<=99; x++)
-        set_option(VIBROPAN_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(VIBROPAN_DEPTH, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(VIBROPAN_VIBRA, CHORUSFX_POSITION, x);
-    set_option(VIBROPAN_WAVE, CHORUSFX_POSITION, WAVE_TRI);
-    set_option(VIBROPAN_WAVE, CHORUSFX_POSITION, WAVE_SINE);
-    set_option(VIBROPAN_WAVE, CHORUSFX_POSITION, WAVE_SQUARE);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_TREMOLO);
-    for (x=0; x<=99; x++)
-        set_option(TREMOLO_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(TREMOLO_DEPTH, CHORUSFX_POSITION, x);
-    set_option(TREMOLO_WAVE, CHORUSFX_POSITION, WAVE_TRI);
-    set_option(TREMOLO_WAVE, CHORUSFX_POSITION, WAVE_SINE);
-    set_option(TREMOLO_WAVE, CHORUSFX_POSITION, WAVE_SQUARE);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_PANNER);
-    for (x=0; x<=99; x++)
-        set_option(PANNER_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(PANNER_DEPTH, CHORUSFX_POSITION, x);
-    set_option(PANNER_WAVE, CHORUSFX_POSITION, WAVE_TRI);
-    set_option(PANNER_WAVE, CHORUSFX_POSITION, WAVE_SINE);
-    set_option(PANNER_WAVE, CHORUSFX_POSITION, WAVE_SQUARE);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_ENVELOPE);
-    for (x=0; x<=99; x++)
-        set_option(ENVELOPE_SENSITIVITY, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(ENVELOPE_RANGE, CHORUSFX_POSITION, x);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_AUTOYA);
-    for (x=0; x<=99; x++)
-        set_option(AUTOYA_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(AUTOYA_INTENSITY, CHORUSFX_POSITION, x);
-    for (x=0; x<=0x31; x++)
-        set_option(AUTOYA_RANGE, CHORUSFX_POSITION, x);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_YAYA);
-    for (x=0; x<=99; x++)
-        set_option(YAYA_PEDAL, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(YAYA_INTENSITY, CHORUSFX_POSITION, x);
-    for (x=0; x<=0x31; x++)
-        set_option(YAYA_RANGE, CHORUSFX_POSITION, x);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_STEP_FILTER);
-    for (x=0; x<=99; x++)
-        set_option(STEP_FILTER_SPEED, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(STEP_FILTER_INTENSITY, CHORUSFX_POSITION, x);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_WHAMMY);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_OCT_UP);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_2OCT_UP);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_2ND_DN);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_RV_2ND);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_4TH_DN);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_OCT_DN);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_2OCT_DN);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_DIV_BMB);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_M3_MA);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_2ND_MA3);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_3RD_4TH);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_4TH_5TH);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_5TH_OCT);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_HOCT_UP);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_HOCT_DN);
-    set_option(WHAMMY_AMOUNT, CHORUSFX_POSITION, WHAMMY_OCT_UD);
-    for (x=0; x<=99; x++)
-        set_option(WHAMMY_PEDAL, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(WHAMMY_MIX, CHORUSFX_POSITION, x);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_PITCH_SHIFT);
-    for (x=0; x<=0x30; x++)
-        set_option(PITCH_AMOUNT, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(PITCH_MIX, CHORUSFX_POSITION, x);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_DETUNE);
-    for (x=0; x<=0x30; x++)
-        set_option(DETUNE_AMOUNT, CHORUSFX_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DETUNE_LEVEL, CHORUSFX_POSITION, x);
-
-    set_option(CHORUSFX_TYPE, CHORUSFX_POSITION, CHORUS_TYPE_IPS);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_OCT_D);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_7TH_DN);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_6TH_DN);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_5TH_DN);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_4TH_DN);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_3RD_DN);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_2ND_DN);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_2ND_UP);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_3RD_UP);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_4TH_UP);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_5TH_UP);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_6TH_UP);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_7TH_UP);
-    set_option(IPS_SHIFT_AMOUNT, CHORUSFX_POSITION, IPS_OCT_U);
-    set_option(IPS_KEY, CHORUSFX_POSITION, IPS_E);
-    set_option(IPS_KEY, CHORUSFX_POSITION, IPS_F);
-    set_option(IPS_KEY, CHORUSFX_POSITION, IPS_GB);
-    set_option(IPS_KEY, CHORUSFX_POSITION, IPS_G);
-    set_option(IPS_KEY, CHORUSFX_POSITION, IPS_AB);
-    set_option(IPS_KEY, CHORUSFX_POSITION, IPS_A);
-    set_option(IPS_KEY, CHORUSFX_POSITION, IPS_BB);
-    set_option(IPS_KEY, CHORUSFX_POSITION, IPS_B);
-    set_option(IPS_KEY, CHORUSFX_POSITION, IPS_C);
-    set_option(IPS_KEY, CHORUSFX_POSITION, IPS_DB);
-    set_option(IPS_KEY, CHORUSFX_POSITION, IPS_D);
-    set_option(IPS_KEY, CHORUSFX_POSITION, IPS_EB);
-    set_option(IPS_SCALE, CHORUSFX_POSITION, IPS_MAJOR);
-    set_option(IPS_SCALE, CHORUSFX_POSITION, IPS_MINOR);
-    set_option(IPS_SCALE, CHORUSFX_POSITION, IPS_DORIA);
-    set_option(IPS_SCALE, CHORUSFX_POSITION, IPS_MIXLYD);
-    set_option(IPS_SCALE, CHORUSFX_POSITION, IPS_LYDIAN);
-    set_option(IPS_SCALE, CHORUSFX_POSITION, IPS_HMINO);
-    for (x=0; x<=99; x++)
-        set_option(IPS_LEVEL, CHORUSFX_POSITION, x);
-
-    set_option(CHORUSFX_ON_OFF, CHORUSFX_POSITION, 1);
-    set_option(CHORUSFX_ON_OFF, CHORUSFX_POSITION, 0);
-}
-
-void test_delay()
-{
-    int x;
-
-    set_option(DELAY_TYPE, DELAY_POSITION, DELAY_TYPE_ANALOG);
-    for (x=0; x<=139; x++)
-        set_option(DELAY_TIME, DELAY_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(ANALOG_LEVEL, DELAY_POSITION, x);
-    for (x=0; x<=100; x++)
-        set_option(ANALOG_REPEATS, DELAY_POSITION, x);
-
-    set_option(DELAY_TYPE, DELAY_POSITION, DELAY_TYPE_DIGITAL);
-    for (x=0; x<=139; x++)
-        set_option(DELAY_TIME, DELAY_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIGITAL_LEVEL, DELAY_POSITION, x);
-    for (x=0; x<=100; x++)
-        set_option(DIGITAL_REPEATS, DELAY_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIGITAL_DUCKER_THRESH, DELAY_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(DIGITAL_DUCKER_LEVEL, DELAY_POSITION, x);
-
-    set_option(DELAY_TYPE, DELAY_POSITION, DELAY_TYPE_MODULATED);
-    for (x=0; x<=139; x++)
-        set_option(DELAY_TIME, DELAY_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(MODULATED_LEVEL, DELAY_POSITION, x);
-    for (x=0; x<=100; x++)
-        set_option(MODULATED_REPEATS, DELAY_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(MODULATED_DEPTH, DELAY_POSITION, x);
-
-    set_option(DELAY_TYPE, DELAY_POSITION, DELAY_TYPE_PONG);
-    for (x=0; x<=139; x++)
-        set_option(DELAY_TIME, DELAY_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(PONG_LEVEL, DELAY_POSITION, x);
-    for (x=0; x<=100; x++)
-        set_option(PONG_REPEATS, DELAY_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(PONG_DUCKER_THRESH, DELAY_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(PONG_DUCKER_LEVEL, DELAY_POSITION, x);
-
-    set_option(DELAY_TYPE, DELAY_POSITION, DELAY_TYPE_TAPE);
-    for (x=0; x<=139; x++)
-        set_option(DELAY_TIME, DELAY_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(TAPE_LEVEL, DELAY_POSITION, x);
-    for (x=0; x<=100; x++)
-        set_option(TAPE_REPEATS, DELAY_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(TAPE_WOW, DELAY_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(TAPE_FLUTTER, DELAY_POSITION, x);
-
-    set_option(DELAY_ON_OFF, DELAY_POSITION, 1);
-    set_option(DELAY_ON_OFF, DELAY_POSITION, 0);
-}
-
-void test_reverb()
-{
-    int x;
-
-    set_option(REVERB_TYPE, REVERB_POSITION, REVERB_TYPE_TWIN);
-    for (x=0; x<=99; x++)
-        set_option(TWIN_REVERB, REVERB_POSITION, x);
-
-    set_option(REVERB_TYPE, REVERB_POSITION, REVERB_TYPE_LEX_AMBIENCE);
-    for (x=0; x<=15; x++)
-        set_option(LEX_AMBIENCE_PREDELAY, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(LEX_AMBIENCE_DECAY, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(LEX_AMBIENCE_LIVELINESS, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(LEX_AMBIENCE_LEVEL, REVERB_POSITION, x);
-
-    set_option(REVERB_TYPE, REVERB_POSITION, REVERB_TYPE_LEX_STUDIO);
-    for (x=0; x<=15; x++)
-        set_option(LEX_STUDIO_PREDELAY, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(LEX_STUDIO_DECAY, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(LEX_STUDIO_LIVELINESS, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(LEX_STUDIO_LEVEL, REVERB_POSITION, x);
-
-    set_option(REVERB_TYPE, REVERB_POSITION, REVERB_TYPE_LEX_ROOM);
-    for (x=0; x<=15; x++)
-        set_option(LEX_ROOM_PREDELAY, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(LEX_ROOM_DECAY, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(LEX_ROOM_LIVELINESS, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(LEX_ROOM_LEVEL, REVERB_POSITION, x);
-
-    set_option(REVERB_TYPE, REVERB_POSITION, REVERB_TYPE_LEX_HALL);
-    for (x=0; x<=15; x++)
-        set_option(LEX_HALL_PREDELAY, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(LEX_HALL_DECAY, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(LEX_HALL_LIVELINESS, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(LEX_HALL_LEVEL, REVERB_POSITION, x);
-
-    set_option(REVERB_TYPE, REVERB_POSITION, REVERB_TYPE_EMT240_PLATE);
-    for (x=0; x<=15; x++)
-        set_option(EMT240_PLATE_PREDELAY, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EMT240_PLATE_DECAY, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EMT240_PLATE_LIVELINESS, REVERB_POSITION, x);
-    for (x=0; x<=99; x++)
-        set_option(EMT240_PLATE_LEVEL, REVERB_POSITION, x);
-
-    set_option(REVERB_ON_OFF, REVERB_POSITION, 1);
-    set_option(REVERB_ON_OFF, REVERB_POSITION, 0);
-}
-
-void test_usb()
-{
-    int x;
-
-    for (x=0; x<=100; x++)
-        set_option(USB_AUDIO_PLAYBACK_MIX, USB_POSITION, x);
-
-    for (x=0; x<=36; x++)
-        set_option(USB_AUDIO_LEVEL, USB_POSITION, x);
-}
-
-void test_all()
-{
-    test_wah();
-    test_compressor();
-    test_dist();
-    test_presets();
-    test_pickups();
-    test_eq();
-    test_noisegate();
-    test_chorusfx();
-    test_delay();
-    test_reverb();
-    test_usb();
-}
diff --git a/tests.h b/tests.h
deleted file mode 100644
index d9530d7..0000000
--- a/tests.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- *  Copyright (c) 2009 Tomasz Moń <desowin@gmail.com>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; under version 3 of the License.
- *
- *  This program 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 General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses>.
- */
-
-#ifndef GDIGI_TESTS_H
-#define GDIGI_TESTS_H
-
-#include "gdigi.h"
-
-void test_wah();
-void test_compressor();
-void test_dist();
-void test_presets();
-void test_pickups();
-void test_eq();
-void test_noisegate();
-void test_chorusfx();
-void test_delay();
-void test_reverb();
-void test_usb();
-void test_all();
-
-#endif /* GDIGI_TESTS_H */