1 files changed, 12 insertions, 0 deletions
diff --git a/test/sbig-roundtrip.test b/test/sbig-roundtrip.test
new file mode 100755
index 00000000..7a339470
--- /dev/null
+++ b/test/sbig-roundtrip.test
@@ -0,0 +1,12 @@
+#! /bin/bash
+# This script tests: pgmtosbig sbigtopgm
+# Also requires: pamchannel
+
+  alias sbigtopgm="${PBM_TESTPREFIX}sbigtopgm"
+  alias pgmtosbig="${PBM_TESTPREFIX}pgmtosbig"
+  shopt -s expand_aliases
+
+# Should produce 1571496937 33838, cksum of testimg.red
+
+pamchannel -infile=testimg.ppm -tupletype="GRAYSCALE" 0 | pamtopnm | \
+  pgmtosbig | sbigtopgm | cksum