diff --git a/jni/libsamplerate-0.1.8/tests/downsample_test.c b/jni/libsamplerate-0.1.8/tests/downsample_test.c
new file mode 100644
index 0000000..87243e7
--- /dev/null
+++ b/jni/libsamplerate-0.1.8/tests/downsample_test.c
@@ -0,0 +1,61 @@
+/*
+** Copyright (C) 2008-2011 Erik de Castro Lopo <erikd@mega-nerd.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; either version 2 of the License, or
+** (at your option) any later version.
+**
+** 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, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <samplerate.h>
+
+#include "util.h"
+
+static void
+downsample_test (int converter)
+{	static float in [1000], out [10] ;
+	SRC_DATA data ;
+
+    printf ("        downsample_test     (%-28s) ....... ", src_get_name (converter)) ;
+	fflush (stdout) ;
+
+	data.src_ratio = 1.0 / 255.0 ;
+	data.input_frames = ARRAY_LEN (in) ;
+	data.output_frames = ARRAY_LEN (out) ;
+	data.data_in = in ;
+	data.data_out = out ;
+
+	if (src_simple (&data, converter, 1))
+	{	puts ("src_simple failed.") ;
+		exit (1) ;
+		} ;
+
+	puts ("ok") ;
+} /* downsample_test */
+
+int
+main (void)
+{
+	puts ("") ;
+
+	downsample_test (SRC_ZERO_ORDER_HOLD) ;
+	downsample_test (SRC_LINEAR) ;
+	downsample_test (SRC_SINC_FASTEST) ;
+	downsample_test (SRC_SINC_MEDIUM_QUALITY) ;
+	downsample_test (SRC_SINC_BEST_QUALITY) ;
+
+	puts ("") ;
+
+	return 0 ;
+} /* main */