1 files changed, 31 insertions, 6 deletions
diff --git a/test/pamcrater.test b/test/pamcrater.test
index 4d3858b9..ba10ca24 100755
--- a/test/pamcrater.test
+++ b/test/pamcrater.test
@@ -3,8 +3,8 @@
 # Also requires: pamstack pamvalidate pamcut pamflip
 
 
-# We use the undocumented --test and --radius options of pamcrater.
-# pamcrater --test --radius=N
+# We use the undocumented -test and -radius options of pamcrater.
+# pamcrater -test -radius=N
 # The above draws a single crater of radius N.
 # The resulting image should be symmetric.
 
@@ -18,11 +18,12 @@ test100_pam=${tmpdir}/test100.pam
 test150_pam=${tmpdir}/test150.pam
 
 # Test 1.  Should print 4 three times
+echo "Test 1."
 
-pamcrater --test --radius=10 > $test10_pam
-pamcrater --test --radius=50 > $test50_pam
-pamcrater --test --radius=100 > $test100_pam
-pamcrater --test --radius=150 > $test150_pam
+pamcrater -test -radius=10 > $test10_pam
+pamcrater -test -radius=50 > $test50_pam
+pamcrater -test -radius=100 > $test100_pam
+pamcrater -test -radius=150 > $test150_pam
 
 pamstack ${test10_pam} ${test50_pam} ${test100_pam} ${test150_pam} |
   pamvalidate > ${test_pam}
@@ -39,6 +40,7 @@ for i in 1 10 70
 rm ${test_pam} ${test10_pam} ${test50_pam}
 
 # Test 2.  Should print 2 three times
+echo "Test 2."
 
 pamshadedrelief ${test100_pam} > ${testshaded_pam}
 
@@ -51,3 +53,26 @@ pamshadedrelief ${test100_pam} > ${testshaded_pam}
 ) | uniq -c | awk '{print $1}'
 
 rm ${testshaded_pam} ${test100_pam}
+
+echo "Test Invalid."
+
+test_out=${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
+
+pamcrater -width 0 > ${test_out} || \
+   echo -n "Expected failure 1"; test -s ${test_out}; echo " "$?
+
+pamcrater -height 0 > ${test_out} || \
+   echo -n "Expected failure 2"; test -s ${test_out}; echo " "$?
+
+pamcrater -number 0 > ${test_out} || \
+   echo -n "Expected failure 3"; test -s ${test_out}; echo " "$?
+
+pamcrater -test -radius=10 | pamshadedrelief -gamma 0 > ${test_out} || \
+   echo -n "Expected failure 4"; test -s ${test_out}; echo " "$?
+
+rm -f ${test_out}
\ No newline at end of file