add midi event tests

Add some tests for the snd_midi_event_* functions.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

diff --git a/.gitignore b/.gitignore
index c24fc09628e16014caedc7754ed3bf61d686b202..82916075a2ddb3c0e4f0359a8055c29f0d88824c 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -59,3 +59,4 @@ test/queue_timer
 test/rawmidi
 test/seq
 test/timer
+test/lsb/midi_event

diff --git a/configure.in b/configure.in
index 4e5e7578197e3295dbfce248351f8b095ad56b6f..cb2877b47334b92ec7859980a28d20a92858a636 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -594,8 +594,9 @@ AC_OUTPUT(Makefile doc/Makefile doc/pictures/Makefile doc/doxygen.cfg \
          src/conf/cards/Makefile \
          src/conf/pcm/Makefile \
          modules/Makefile modules/mixer/Makefile modules/mixer/simple/Makefile \
-         alsalisp/Makefile aserver/Makefile test/Makefile utils/Makefile \
-          utils/alsa-lib.spec utils/alsa.pc)
+         alsalisp/Makefile aserver/Makefile \
+         test/Makefile test/lsb/Makefile \
+         utils/Makefile utils/alsa-lib.spec utils/alsa.pc)
 
 dnl Create asoundlib.h dynamically according to configure options
 echo "Creating asoundlib.h..."

diff --git a/test/Makefile.am b/test/Makefile.am
index 2d7e92b07bc8f350883a84424393b579aff0bf89..ae524a4df5cf3f71ffb570614e588cb6652d412f 100644 (file)
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -1,3 +1,5 @@
+SUBDIRS=. lsb
+
 check_PROGRAMS=control pcm pcm_min latency seq \
               playmidi1 timer rawmidi midiloop \
               oldapi queue_timer namehint client_event_filter

diff --git a/test/lsb/Makefile.am b/test/lsb/Makefile.am
new file mode 100644 (file)
index 0000000..8d2c1bd
--- /dev/null
+++ b/test/lsb/Makefile.am
@@ -0,0 +1,6 @@
+TESTS = midi_event
+check_PROGRAMS = $(TESTS)
+noinst_HEADERS = test.h
+
+AM_CFLAGS = -Wall -pipe
+LDADD = ../../src/libasound.la

diff --git a/test/lsb/midi_event.c b/test/lsb/midi_event.c
new file mode 100644 (file)
index 0000000..3a4d7fa
--- /dev/null
+++ b/test/lsb/midi_event.c
@@ -0,0 +1,362 @@
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <regex.h>
+#include "test.h"
+
+/*
+ * Checks whether the regular expression matches the entire MIDI data, printed
+ * as hex.
+ */
+static int midi_matches_regex(unsigned char *midi, int count, const char *regex)
+{
+       char *text;
+       regex_t re;
+       regmatch_t match;
+       int i;
+
+       text = malloc(2 * count + 1);
+       if (!text)
+               return 0;
+       for (i = 0; i < count; ++i)
+               sprintf(text + 2 * i, "%02x", midi[i]);
+       if (regcomp(&re, regex, REG_EXTENDED) != 0) {
+               free(text);
+               return 0;
+       }
+       i = regexec(&re, text, 1, &match, 0);
+       i = i == 0 && match.rm_so == 0 && match.rm_eo == strlen(text);
+       regfree(&re);
+       free(text);
+       return i;
+}
+
+static void test_decode(void)
+{
+       snd_midi_event_t *midi_event;
+       snd_seq_event_t ev;
+       unsigned char buf[50];
+       int count;
+
+       ALSA_CHECK(snd_midi_event_new(256 /* ? */, &midi_event));
+
+#define DECODE() snd_midi_event_decode(midi_event, buf, sizeof(buf), &ev)
+#define BUF_MATCHES(str) midi_matches_regex(buf, count, str)
+#define DECODES_TO(str) ((count = DECODE()), BUF_MATCHES(str))
+
+       snd_seq_ev_clear(&ev);
+
+       snd_seq_ev_set_fixed(&ev);
+       ev.type = SND_SEQ_EVENT_NONE;
+       TEST_CHECK(DECODE() == -ENOENT);
+
+       snd_seq_ev_set_noteoff(&ev, 1, 2, 3);
+       TEST_CHECK(DECODES_TO("810203"));
+
+       snd_seq_ev_set_noteon(&ev, 4, 5, 6);
+       TEST_CHECK(DECODES_TO("940506"));
+
+       snd_seq_ev_set_keypress(&ev, 7, 8, 9);
+       TEST_CHECK(DECODES_TO("a70809"));
+
+       snd_seq_ev_set_controller(&ev, 10, 11, 12);
+       TEST_CHECK(DECODES_TO("ba0b0c"));
+
+       snd_seq_ev_set_pgmchange(&ev, 13, 14);
+       TEST_CHECK(DECODES_TO("cd0e"));
+
+       snd_seq_ev_set_chanpress(&ev, 15, 16);
+       TEST_CHECK(DECODES_TO("df10"));
+
+       snd_seq_ev_set_pitchbend(&ev, 1, 0x222);
+       TEST_CHECK(DECODES_TO("e12244"));
+
+       snd_seq_ev_set_sysex(&ev, 6, "\xf0\x7e\x7f\x06\x01\xf7");
+       TEST_CHECK(DECODES_TO("f07e7f0601f7"));
+
+       snd_seq_ev_set_fixed(&ev);
+       ev.type = SND_SEQ_EVENT_QFRAME;
+       ev.data.control.value = 3;
+       TEST_CHECK(DECODES_TO("f103"));
+
+       ev.type = SND_SEQ_EVENT_SONGPOS;
+       ev.data.control.value = 0x444;
+       TEST_CHECK(DECODES_TO("f24408"));
+
+       ev.type = SND_SEQ_EVENT_SONGSEL;
+       ev.data.control.value = 5;
+       TEST_CHECK(DECODES_TO("f305"));
+
+       ev.type = SND_SEQ_EVENT_TUNE_REQUEST;
+       TEST_CHECK(DECODES_TO("f6"));
+
+       ev.type = SND_SEQ_EVENT_CLOCK;
+       TEST_CHECK(DECODES_TO("f8"));
+
+       ev.type = SND_SEQ_EVENT_START;
+       TEST_CHECK(DECODES_TO("fa"));
+
+       ev.type = SND_SEQ_EVENT_CONTINUE;
+       TEST_CHECK(DECODES_TO("fb"));
+
+       ev.type = SND_SEQ_EVENT_STOP;
+       TEST_CHECK(DECODES_TO("fc"));
+
+       ev.type = SND_SEQ_EVENT_SENSING;
+       TEST_CHECK(DECODES_TO("fe"));
+
+       ev.type = SND_SEQ_EVENT_RESET;
+       TEST_CHECK(DECODES_TO("ff"));
+
+       ev.type = SND_SEQ_EVENT_CONTROL14;
+       ev.data.control.channel = 6;
+       ev.data.control.param = 7;
+       ev.data.control.value = 0x888;
+       /*
+        * This regular expression catches all allowed combinations of LSB/MSB
+        * order and running status.
+        */
+       TEST_CHECK(DECODES_TO("b6(0711(b6)?2708|2708(b6)?0711)"));
+
+       ev.type = SND_SEQ_EVENT_NONREGPARAM;
+       ev.data.control.channel = 9;
+       ev.data.control.param = 0xaaa;
+       ev.data.control.value = 0xbbb;
+       TEST_CHECK(DECODES_TO("b9(622a(b9)?6315|6315(b9)?622a)(b9)?(0617(b9)?263b|263b(b9)?0617)"));
+
+       ev.type = SND_SEQ_EVENT_REGPARAM;
+       ev.data.control.channel = 12;
+       ev.data.control.param = 0xddd;
+       ev.data.control.value = 0xeee;
+       TEST_CHECK(DECODES_TO("bc(645d(bc)?651b|651b(bc)?645d)(bc)?(061d(bc)?266e|266e(bc)?061d)"));
+
+       /* no running status after SysEx */
+       snd_seq_ev_set_pgmchange(&ev, 0, 0x11);
+       TEST_CHECK(DECODES_TO("c011"));
+       snd_seq_ev_set_sysex(&ev, 6, "\xf0\x7e\x7f\x09\x02\xf7");
+       TEST_CHECK(DECODES_TO("f07e7f0902f7"));
+       snd_seq_ev_set_pgmchange(&ev, 0, 0x11);
+       TEST_CHECK(DECODES_TO("c011"));
+
+       /* no running status for non-realtime common messages */
+       ev.type = SND_SEQ_EVENT_QFRAME;
+       ev.data.control.value = 0x11;
+       TEST_CHECK(DECODES_TO("f111"));
+       TEST_CHECK(DECODES_TO("f111"));
+
+       snd_midi_event_free(midi_event);
+}
+
+static void test_reset_decode(void)
+{
+       snd_midi_event_t *midi_event;
+       snd_seq_event_t ev;
+       unsigned char buf[50];
+       int count;
+
+       ALSA_CHECK(snd_midi_event_new(256 /* ? */, &midi_event));
+
+       snd_seq_ev_clear(&ev);
+
+       snd_seq_ev_set_noteon(&ev, 1, 2, 3);
+       TEST_CHECK(DECODES_TO("910203"));
+
+       snd_midi_event_reset_decode(midi_event);
+
+       TEST_CHECK(DECODES_TO("910203"));
+
+       snd_midi_event_free(midi_event);
+}
+
+static void test_encode(void)
+{
+       snd_midi_event_t *midi_event;
+       snd_seq_event_t ev;
+
+       ALSA_CHECK(snd_midi_event_new(256, &midi_event));
+
+#define ENCODE(str) snd_midi_event_encode(midi_event, \
+                                         (const unsigned char *)str, \
+                                         sizeof(str) - 1, &ev)
+       TEST_CHECK(ENCODE("\x81\x02\x03") == 3);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_NOTEOFF);
+       TEST_CHECK((ev.flags & SND_SEQ_EVENT_LENGTH_MASK) == SND_SEQ_EVENT_LENGTH_FIXED);
+       TEST_CHECK(ev.data.note.channel == 1);
+       TEST_CHECK(ev.data.note.note == 2);
+       TEST_CHECK(ev.data.note.velocity == 3);
+
+       TEST_CHECK(ENCODE("\x94\x05\x06") == 3);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_NOTEON);
+       TEST_CHECK(ev.data.note.channel == 4);
+       TEST_CHECK(ev.data.note.note == 5);
+       TEST_CHECK(ev.data.note.velocity == 6);
+
+       TEST_CHECK(ENCODE("\xa7\x08\x09") == 3);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_KEYPRESS);
+       TEST_CHECK(ev.data.note.channel == 7);
+       TEST_CHECK(ev.data.note.note == 8);
+       TEST_CHECK(ev.data.note.velocity == 9);
+
+       TEST_CHECK(ENCODE("\xba\x0b\x0c") == 3);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_CONTROLLER);
+       TEST_CHECK(ev.data.control.channel == 10);
+       TEST_CHECK(ev.data.control.param == 11);
+       TEST_CHECK(ev.data.control.value == 12);
+
+       TEST_CHECK(ENCODE("\xcd\x0e") == 2);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_PGMCHANGE);
+       TEST_CHECK(ev.data.control.channel == 13);
+       TEST_CHECK(ev.data.control.value == 14);
+
+       TEST_CHECK(ENCODE("\xdf\x10") == 2);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_CHANPRESS);
+       TEST_CHECK(ev.data.control.channel == 15);
+       TEST_CHECK(ev.data.control.value == 16);
+
+       TEST_CHECK(ENCODE("\xe1\x22\x33") == 3);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_PITCHBEND);
+       TEST_CHECK(ev.data.control.channel == 1);
+       TEST_CHECK(ev.data.control.value == -1630);
+
+       TEST_CHECK(ENCODE("\xf0\x7f\x7f\x04\x01\x7f\x7f\xf7") == 8);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_SYSEX);
+       TEST_CHECK((ev.flags & SND_SEQ_EVENT_LENGTH_MASK) == SND_SEQ_EVENT_LENGTH_VARIABLE);
+       TEST_CHECK(ev.data.ext.len == 8);
+       TEST_CHECK(!memcmp(ev.data.ext.ptr, "\xf0\x7f\x7f\x04\x01\x7f\x7f\xf7", 8));
+
+       TEST_CHECK(ENCODE("\xf1\x04") == 2);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_QFRAME);
+       TEST_CHECK(ev.data.control.value == 4);
+
+       TEST_CHECK(ENCODE("\xf2\x55\x66") == 3);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_SONGPOS);
+       TEST_CHECK(ev.data.control.value == 13141);
+
+       TEST_CHECK(ENCODE("\xf3\x07") == 2);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_SONGSEL);
+       TEST_CHECK(ev.data.control.value == 7);
+
+       TEST_CHECK(ENCODE("\xf6") == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_TUNE_REQUEST);
+
+       TEST_CHECK(ENCODE("\xf8") == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_CLOCK);
+
+       TEST_CHECK(ENCODE("\xfa") == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_START);
+
+       TEST_CHECK(ENCODE("\xfb") == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_CONTINUE);
+
+       TEST_CHECK(ENCODE("\xfc") == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_STOP);
+
+       TEST_CHECK(ENCODE("\xfe") == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_SENSING);
+
+       TEST_CHECK(ENCODE("\xff") == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_RESET);
+
+       TEST_CHECK(ENCODE("\xc1\xf8") == 2);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_CLOCK);
+       TEST_CHECK(ENCODE("\x22") == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_PGMCHANGE);
+       TEST_CHECK(ev.data.control.channel == 1);
+       TEST_CHECK(ev.data.control.value == 0x22);
+       TEST_CHECK(ENCODE("\xf8") == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_CLOCK);
+       TEST_CHECK(ENCODE("\x33") == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_PGMCHANGE);
+       TEST_CHECK(ev.data.control.channel == 1);
+       TEST_CHECK(ev.data.control.value == 0x33);
+
+       TEST_CHECK(ENCODE("\xc1\xf6") == 2);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_TUNE_REQUEST);
+       TEST_CHECK(ENCODE("\x44\x44") == 2);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_NONE);
+
+       snd_midi_event_free(midi_event);
+}
+
+static void test_reset_encode(void)
+{
+       snd_midi_event_t *midi_event;
+       snd_seq_event_t ev;
+
+       ALSA_CHECK(snd_midi_event_new(256, &midi_event));
+
+       TEST_CHECK(ENCODE("\x91\x02") == 2);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_NONE);
+
+       snd_midi_event_reset_encode(midi_event);
+
+       TEST_CHECK(ENCODE("\x03") == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_NONE);
+
+       snd_midi_event_free(midi_event);
+}
+
+static void test_init(void)
+{
+       snd_midi_event_t *midi_event;
+       snd_seq_event_t ev;
+       unsigned char buf[50];
+       int count;
+
+       ALSA_CHECK(snd_midi_event_new(256, &midi_event));
+
+       snd_seq_ev_set_noteon(&ev, 1, 2, 3);
+       TEST_CHECK(DECODES_TO("910203"));
+
+       TEST_CHECK(ENCODE("\x94\x05") == 2);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_NONE);
+
+       snd_midi_event_init(midi_event);
+
+       snd_seq_ev_set_noteon(&ev, 1, 2, 3);
+       TEST_CHECK(DECODES_TO("910203"));
+
+       TEST_CHECK(ENCODE("\x06") == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_NONE);
+
+       snd_midi_event_free(midi_event);
+}
+
+static void test_encode_byte(void)
+{
+       snd_midi_event_t *midi_event;
+       snd_seq_event_t ev;
+
+       ALSA_CHECK(snd_midi_event_new(256, &midi_event));
+
+#define ENCODE_BYTE(c) snd_midi_event_encode_byte(midi_event, c, &ev)
+       TEST_CHECK(ENCODE_BYTE(0x81) == 0);
+       TEST_CHECK(ENCODE_BYTE(0x02) == 0);
+       TEST_CHECK(ENCODE_BYTE(0x03) == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_NOTEOFF);
+       TEST_CHECK((ev.flags & SND_SEQ_EVENT_LENGTH_MASK) == SND_SEQ_EVENT_LENGTH_FIXED);
+       TEST_CHECK(ev.data.note.channel == 1);
+       TEST_CHECK(ev.data.note.note == 2);
+       TEST_CHECK(ev.data.note.velocity == 3);
+       TEST_CHECK(ENCODE_BYTE(0x04) == 0);
+       TEST_CHECK(ENCODE_BYTE(0xf8) == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_CLOCK);
+       TEST_CHECK(ENCODE_BYTE(0x05) == 1);
+       TEST_CHECK(ev.type == SND_SEQ_EVENT_NOTEOFF);
+       TEST_CHECK(ev.data.note.channel == 1);
+       TEST_CHECK(ev.data.note.note == 4);
+       TEST_CHECK(ev.data.note.velocity == 5);
+
+       snd_midi_event_free(midi_event);
+}
+
+int main(void)
+{
+       test_decode();
+       test_reset_decode();
+       test_encode();
+       test_reset_encode();
+       test_encode_byte();
+       test_init();
+       return TEST_EXIT_CODE();
+}

diff --git a/test/lsb/test.h b/test/lsb/test.h
new file mode 100644 (file)
index 0000000..ff697c5
--- /dev/null
+++ b/test/lsb/test.h
@@ -0,0 +1,29 @@
+#ifndef TEST_H_INCLUDED
+#define TEST_H_INCLUDED
+
+#include <stdio.h>
+#include <alsa/asoundlib.h>
+
+/* XXX this variable definition does not belong in a header file */
+static int any_test_failed;
+
+#define TEST_CHECK(cond) do \
+               if (!(cond)) { \
+                       fprintf(stderr, "%s:%d: test failed: %s\n", __FILE__, __LINE__, #cond); \
+                       any_test_failed = 1; \
+               } \
+       while (0)
+
+#define ALSA_CHECK(fn) ({ \
+               int err = fn; \
+               if (err < 0) { \
+                       fprintf(stderr, "%s:%d: ALSA function call failed (%s): %s\n", \
+                               __FILE__, __LINE__, snd_strerror(err), #fn); \
+                       any_test_failed = 1; \
+               } \
+               err; \
+       })
+
+#define TEST_EXIT_CODE() any_test_failed
+
+#endif