X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/992d59159547267e1491fcd1c5123765b4c452b8..63cf293f572ae7d5c1c83b9dffb31e7d774f8854:/interpretor/lib/src/libsndfile-ocaml/test_sndfile_bigarray.ml

diff --git a/interpretor/lib/src/libsndfile-ocaml/test_sndfile_bigarray.ml b/interpretor/lib/src/libsndfile-ocaml/test_sndfile_bigarray.ml
new file mode 100644
index 0000000..f6caa1c
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+++ b/interpretor/lib/src/libsndfile-ocaml/test_sndfile_bigarray.ml
@@ -0,0 +1,46 @@
+(* Rudimentary testing of the Ocaml libsndfile wrapper. *)
+
+let write_test filename =
+	let fmt = Sndfile.format Sndfile.MAJOR_WAV Sndfile.MINOR_PCM_16 in
+	let file = Sndfile.openfile filename ~info:(Sndfile.WRITE, fmt, 2, 44100) () in
+	if Sndfile.error file != 0 then
+		Printf.printf "Error writing '%s' : %s\n" filename (Sndfile.strerror file)
+	else
+	let writecount = Sndfile_bigarray.write_short file [| 0.0 ;  0.0 ;  0.0 ;  0.0 ;  0.0 ;  0.0 ;  0.0 ;  0.5 |] in
+	Printf.printf "Wrote %d items.\n" writecount ;
+	Sndfile.close file
+
+let read_test filename =
+	let file = Sndfile.openfile filename () in
+	Printf.printf "File contains %Ld frames.\n" (Sndfile.frames file) ;
+	let data = Array.create 100 0.0 in
+	let readcount = Sndfile_bigarray.read_short file data in
+	Printf.printf "Read %d items.\n" readcount ;
+	Sndfile.close file
+
+let finalize_test filename =
+	let sub_open_file = 
+		let file = Sndfile.openfile filename () in
+		ignore file
+	in
+	(* Compact the heap. *)
+	Gc.compact () ;
+	let pre_stat = Gc.stat () in
+	sub_open_file ;
+	(* Compact the heap again. *)
+	Gc.compact () ;
+	(* Compare before and after. *)
+	let post_stat = Gc.stat () in
+	if pre_stat.Gc.heap_words != post_stat.Gc.heap_words then
+	(	Printf.printf "\nFinalize not working : before %d -> after %d\n\n" pre_stat.Gc.heap_words post_stat.Gc.heap_words ;
+		exit 1
+		)
+	else ()
+	
+
+let _ =
+	print_endline "------------------------" ;
+	let filename = "a.wav" in
+	write_test filename ;
+	read_test filename ;
+	finalize_test filename