--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_audio.nim	Wed Jul 17 22:20:59 2024 +0700
@@ -0,0 +1,87 @@
+import std/os
+import std/sequtils
+import std/times
+
+import ../semiconginev2
+
+
+proc test1() =
+  mixer[].AddSound("test1", SineSoundData(1000, 2, 44100))
+  mixer[].AddSound("test2", SineSoundData(500, 2, 44100))
+
+
+  let s1 = mixer[].Play("test1", loop = true)
+  let s2 = mixer[].Play("test2", loop = true)
+
+  let t0 = now()
+  mixer[].SetLevel(0.5)
+  while true:
+    let runtime = (now() - t0).inMilliseconds()
+    if runtime > 1500:
+      mixer[].SetLevel(0.2)
+    if runtime > 3000:
+      mixer[].Stop(s2)
+    if runtime > 6000:
+      mixer[].Stop("")
+    if runtime > 8000:
+      break
+
+proc test2() =
+  let
+    # notes
+    c = SineSoundData(261.6256, 0.5, 44100)
+    d = SineSoundData(293.6648, 0.5, 44100)
+    e = SineSoundData(329.6276, 0.5, 44100)
+    f = SineSoundData(349.2282, 0.5, 44100)
+    g = SineSoundData(391.9954, 0.5, 44100)
+    a = SineSoundData(440.0000, 0.5, 44100)
+    b = SineSoundData(493.8833, 0.5, 44100)
+    bb = SineSoundData(466.1638, 0.5, 44100)
+    c2 = SineSoundData(523.2511, 0.5, 44100)
+    d2 = SineSoundData(587.3295, 0.5, 44100)
+    bbShort = SineSoundData(466.1638, 0.25, 44100)
+    c2Short = SineSoundData(523.2511, 0.25, 44100)
+    d2Short = SineSoundData(587.3295, 0.25, 44100)
+
+    # song
+    frerejaquesData = concat(
+      f, g, a, f,
+      f, g, a, f,
+      a, bb, c2, c2,
+      a, bb, c2, c2,
+      c2Short, d2Short, c2Short, bbShort, a, f,
+      c2Short, d2Short, c2Short, bbShort, a, f,
+      f, c, f, f,
+      f, c, f, f,
+    )
+
+  mixer[].AddSound("frerejaques", frerejaquesData)
+  discard mixer[].Play("frerejaques")
+
+  while mixer[].IsPlaying():
+    sleep(1)
+
+proc test3() =
+  mixer[].AddSound("toccata et fugue", LoadAudio("toccata_et_fugue.ogg"))
+  mixer[].AddSound("ping", SineSoundData(500, 0.05, 44100))
+  mixer[].AddTrack("effects")
+  discard mixer[].Play("toccata et fugue")
+
+
+when isMainModule:
+  test1()
+  mixer[].Stop()
+  test2()
+  mixer[].Stop()
+  test3()
+
+  while mixer[].IsPlaying():
+    discard mixer[].Play("ping", track = "effects", stopOtherSounds = true, level = 0.5)
+    # on windows we re-open stdin and this will not work
+    when defined(linux):
+      echo "Press q and enter to exit"
+      if stdin.readLine() == "q":
+        mixer[].Stop()
+    elif defined(windows):
+      sleep(5)
+      mixer[].Stop()