Initial commit of audiofilesubmit/1.0/20121129.024832submit/1.0/20121129.024342

1 files changed, 123 insertions, 0 deletions

diff --git a/test/writeavr.c b/test/writeavr.c
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+++ b/test/writeavr.c
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+/*
+	Audio File Library
+
+	Copyright (C) 2004, Michael Pruett <michael@68k.org>
+
+	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.
+*/
+
+/*
+	writeavr.c
+
+	This program tests the validity of the AVR file reading and
+	writing code.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef __USE_SGI_HEADERS__
+#include <dmedia/audiofile.h>
+#else
+#include <audiofile.h>
+#endif
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#define TEST_FILE "/tmp/test.avr"
+
+void cleanup (void)
+{
+#ifndef DEBUG
+	unlink(TEST_FILE);
+#endif
+}
+
+void ensure (int condition, const char *message)
+{
+	if (!condition)
+	{
+		printf("%s.\n", message);
+		cleanup();
+		exit(EXIT_FAILURE);
+	}
+}
+
+int main (int argc, char **argv)
+{
+	AFfilehandle	file;
+	AFfilesetup	setup;
+	int16_t		samples[] = {11, 51, 101, 501, 1001, 5001, 10001, 50001};
+	int		i;
+	int		sampleFormat, sampleWidth;
+	int		framesRead, framesWritten;
+
+	setup = afNewFileSetup();
+	afInitFileFormat(setup, AF_FILE_AVR);
+	afInitChannels(setup, AF_DEFAULT_TRACK, 1);
+	afInitSampleFormat(setup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
+
+	file = afOpenFile(TEST_FILE, "w", setup);
+	ensure(file != AF_NULL_FILEHANDLE, "unable to open file for writing");
+
+	framesWritten = afWriteFrames(file, AF_DEFAULT_TRACK, samples, 8);
+	ensure(framesWritten == 8,
+		"number of frames written does not match number of frames requested");
+
+	ensure(afCloseFile(file) == 0, "error closing file");
+	afFreeFileSetup(setup);
+
+	file = afOpenFile(TEST_FILE, "r", NULL);
+	ensure(file != AF_NULL_FILEHANDLE, "unable to open file for reading");
+
+	ensure(afGetFileFormat(file, NULL) == AF_FILE_AVR,
+		"test file not created as AVR");
+
+	afGetSampleFormat(file, AF_DEFAULT_TRACK, &sampleFormat, &sampleWidth);
+	ensure(sampleFormat == AF_SAMPFMT_TWOSCOMP,
+		"test file not two's complement");
+	ensure(sampleWidth == 16,
+		"test file sample format is not 16-bit");
+
+	ensure(afGetChannels(file, AF_DEFAULT_TRACK) == 1,
+		"test file doesn't have exactly one channel");
+
+	ensure(afGetByteOrder(file, AF_DEFAULT_TRACK) == AF_BYTEORDER_BIGENDIAN,
+		"test file not big-endian");
+
+	for (i=0; i<8; i++)
+	{
+		int16_t	temporary;
+
+		framesRead = afReadFrames(file, AF_DEFAULT_TRACK, &temporary, 1);
+		ensure(framesRead == 1,
+			"number of frames read does not match number of frames requested");
+
+		ensure(temporary == samples[i],
+			"data written to file doesn't match data read from file");
+	}
+
+	ensure(afCloseFile(file) == 0, "error closing file");
+
+	cleanup();
+
+	printf("writeavr test passed.\n");
+
+	exit(0);
+}