Add output-prefix tests

Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com>

test/test_flac.sh

@@ -726,6 +726,43 @@ if [ $is_win = no ] ; then
 	echo OK
 fi
 
+############################################################################
+# test --output-prefix
+############################################################################
+
+in_dir=./tmp_in
+out_dir=./tmp_out
+mkdir $in_dir $out_dir || die "ERROR failed to create temp directories"
+
+cp 50c.raw 50c.flac $in_dir
+
+#
+# test --output-prefix when encoding
+#
+
+echo $ECHO_N "testing --output-prefix=$out_dir/ (encode)... " $ECHO_C
+run_flac $raw_eopt --output-prefix=$out_dir/ $in_dir/50c.raw || die "ERROR generating FLAC file in $out_dir (encode)"
+[ -f $out_dir/50c.flac ] || die "ERROR FLAC file not in $out_dir (encode)"
+run_flac $raw_dopt $out_dir/50c.flac || die "ERROR decoding FLAC file (encode)"
+[ -f $out_dir/50c.raw ] || die "ERROR RAW file not in $out_dir (encode)"
+cmp 50c.raw $out_dir/50c.raw || die "ERROR: file mismatch for --output-prefix=$out_dir (encode)"
+rm -f $out_dir/50c.flac $out_dir/50c.raw
+echo OK
+
+#
+# test --ouput-prefix when decoding
+#
+
+echo $ECHO_N "testing --output-prefix=$out_dir/ (decode)... " $ECHO_C
+run_flac $raw_dopt --output-prefix=$out_dir/ $in_dir/50c.flac || die "ERROR deocding FLAC file in $out_dir (decode)"
+[ -f $out_dir/50c.raw ] || die "ERROR RAW file not in $out_dir (decode)"
+run_flac $raw_eopt $out_dir/50c.raw || die "ERROR generating FLAC file (decode)"
+[ -f $out_dir/50c.flac ] || die "ERROR FLAC file not in $out_dir (decode)"
+cmp 50c.flac $out_dir/50c.flac || die "ERROR: file mismatch for --output-prefix=$out_dir (decode)"
+rm -f $out_dir/50c.flac $out_dir/50c.raw
+echo OK
+
+rm -rf $in_dir $out_dir
 
 ############################################################################
 # test --cue