TESTS: add test for watermark add / cmp from pipe

Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>

tests/Makefile.am

-check: detect-speed-test block-decoder-test clip-decoder-test
+check: detect-speed-test block-decoder-test clip-decoder-test pipe-test
 
 EXTRA_DIST = detect-speed-test.sh block-decoder-test.sh clip-decoder-test.sh
 
@@ -10,3 +10,6 @@ block-decoder-test:
 
 clip-decoder-test:
 	Q=1 $(top_srcdir)/tests/clip-decoder-test.sh
+
+pipe-test:
+	Q=1 $(top_srcdir)/tests/pipe-test.sh

tests/pipe-test.sh

+#!/bin/bash
+
+source test-common.sh
+
+IN_WAV=pipe-test.wav
+OUT_WAV=pipe-test-out.wav
+
+$AUDIOWMARK test-gen-noise $IN_WAV 200 44100 || die "failed to generate noise"
+cat $IN_WAV | audiowmark_add - - $TEST_MSG > $OUT_WAV || die "watermark from pipe failed"
+audiowmark_cmp $OUT_WAV $TEST_MSG
+cat $OUT_WAV | audiowmark_cmp - $TEST_MSG || die "watermark detection from pipe failed"
+
+rm $IN_WAV $OUT_WAV
+exit 0

tests/test-common.sh.in

@@ -7,7 +7,7 @@ TEST_MSG=f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0
 
 die()
 {
-  echo "$0: $@"
+  echo >&2 "$0: $@"
   exit 1
 }
 
@@ -16,7 +16,7 @@ audiowmark_add()
   if [ "x$Q" == "x1" ]; then
     AUDIOWMARK_Q="-q"
   else
-    echo ==== audiowmark add "$@" ====
+    echo >&2 ==== audiowmark add "$@" ====
   fi
   $AUDIOWMARK $AUDIOWMARK_Q --strict add "$@" || die "failed to watermark $@"
 }
@@ -27,7 +27,7 @@ audiowmark_cmp()
     AUDIOWMARK_OUT="/dev/null"
   else
     AUDIOWMARK_OUT="/dev/stdout"
-    echo ==== audiowmark cmp "$@" ====
+    echo >&2 ==== audiowmark cmp "$@" ====
   fi
   $AUDIOWMARK --strict cmp "$@" > $AUDIOWMARK_OUT || die "failed to detect watermark $@"
 }