[devel] Enable the strip16 tests in pngvalid

test-pngvalid-simple.sh

@@ -1,3 +1,19 @@
 #!/bin/sh
+#
+# Run a sequence of tests quietly, without the slow
+# gamma tests
+err=0
 
-./pngvalid -q --speed
+for opts in "" --progressive-read --interlace \
+   "--progressive-read --interlace"
+do
+   if ./pngvalid -q --nogamma $opts
+   then
+      echo "PASS:" pngvalid --nogamma $opts
+   else
+      echo "FAIL:" pngvalid --nogamma $opts
+      err=1
+   fi
+done
+
+exit $err