1 files changed, 9 insertions, 19 deletions
diff --git a/test/pnmpsnr.test b/test/pnmpsnr.test
index 7603459b..6ea05aed 100755
--- a/test/pnmpsnr.test
+++ b/test/pnmpsnr.test
@@ -1,4 +1,4 @@
-#! /bin/bash
+#! /bin/sh
 # This script tests: pnmpsnr
 # Also requires: pbmmake
 
@@ -27,21 +27,11 @@ pnmpsnr  testimg.ppm  testimg.ppm -target1=1000 -target2=1000 -target3=1000
 
 echo "Test Invalid"
 
-tmpdir=${tmpdir:-/tmp}
-test_out=${tmpdir}/test_out
-
-echo 1>&2
-echo "Invalid command-line argument combinations." 1>&2
-echo "Error messages should appear below the line." 1>&2
-echo "-----------------------------------------------------------" 1>&2
-
-pnmpsnr ${b_pbm} ${w_pbm} ${b_pbm}     > ${test_out} || \
-   echo -n "Expected failure 1"; test -s ${test_out}; echo " "$?
-pnmpsnr ${b_pbm}                       > ${test_out} || \
-   echo -n "Expected failure 2"; test -s ${test_out}; echo " "$?
-pnmpsnr ${b_pbm} ${w_pbm} -target1=100 > ${test_out} || \
-   echo -n "Expected failure 3"; test -s ${test_out}; echo " "$?
-pnmpsnr                   -machine     > ${test_out} || \
-   echo -n "Expected failure 4"; test -s ${test_out}; echo " "$?
-
-rm ${b_pbm} ${w_pbm} ${test_out}
+. ${srcdir}/test-invalid.inc
+
+invCmd "pnmpsnr ${b_pbm} ${w_pbm} ${b_pbm}    "
+invCmd "pnmpsnr ${b_pbm}                      "
+invCmd "pnmpsnr ${b_pbm} ${w_pbm} -target1=100"
+invCmd "pnmpsnr                   -machine    "
+
+rm ${b_pbm} ${w_pbm}