cannam@125: # Copyright (C) 2007-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
cannam@125: #
cannam@125: # This program is free software; you can redistribute it and/or modify
cannam@125: # it under the terms of the GNU Lesser General Public License as published by
cannam@125: # the Free Software Foundation; either version 2.1 of the License, or
cannam@125: # (at your option) any later version.
cannam@125: #
cannam@125: # This program is distributed in the hope that it will be useful,
cannam@125: # but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@125: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
cannam@125: # GNU Lesser General Public License for more details.
cannam@125: #
cannam@125: # You should have received a copy of the GNU Lesser General Public License
cannam@125: # along with this program; if not, write to the Free Software
cannam@125: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
cannam@125: 
cannam@125: # These tests are nowhere near comprehensive.
cannam@125: 
cannam@125: printf ("    Running Octave tests                     : ") ;
cannam@125: fflush (stdout) ;
cannam@125: 
cannam@125: filename = "whatever" ;
cannam@125: srate_out = 32000 ;
cannam@125: fmt_out = "wav-float" ;
cannam@125: 
cannam@125: t = (2 * pi / srate_out * (0:srate_out-1))' ;
cannam@125: data_out = sin (440.0 * t) ;
cannam@125: 
cannam@125: # Write out a file.
cannam@125: sfwrite (filename, data_out, srate_out, fmt_out) ;
cannam@125: 
cannam@125: # Read it back in again.
cannam@125: [ data_in, srate_in, fmt_in ] = sfread (filename) ;
cannam@125: 
cannam@125: if (srate_in != srate_out)
cannam@125: 	error ("\n\nSample rate mismatch : %d -> %d.\n\n", srate_out, srate_in) ;
cannam@125: 	endif
cannam@125: 
cannam@125: # Octave strcmp return 1 for the same.
cannam@125: if (strcmp (fmt_in, fmt_out) != 1)
cannam@125: 	error ("\n\nFormat error : '%s' -> '%s'.\n\n", fmt_out, fmt_in) ;
cannam@125: 	endif
cannam@125: 
cannam@125: err = max (abs (data_out - data_in)) ;
cannam@125: 
cannam@125: if (err > 1e-7)
cannam@125: 	error ("err : %g\n", err) ;
cannam@125: 	endif
cannam@125: 
cannam@125: printf ("ok") ;
cannam@125: 
cannam@125: unlink (filename) ;