1 files changed, 7 insertions, 0 deletions
diff --git a/test/pnminvert-roundtrip.test b/test/pnminvert-roundtrip.test
new file mode 100755
index 00000000..52d15039
--- /dev/null
+++ b/test/pnminvert-roundtrip.test
@@ -0,0 +1,7 @@
+#! /bin/bash
+# This script tests: pnminvert
+# Also requires:
+
+
+pnminvert testimg.ppm | pnminvert | cksum
+pnminvert testgrid.pbm | pnminvert | cksum