[devel] Enable the strip16 tests in pngvalid

test-pngvalid-full.sh

@@ -1,3 +1,22 @@
 #!/bin/sh
+#
+# Run a sequence of gamma tests quietly
+err=0
+for gamma in threshold transform sbit 16-to-8
+do
+   opts=
+   test "$gamma" = threshold || opts="$opts --nogamma-threshold"
+   test "$gamma" = transform || opts="$opts --nogamma-transform"
+   test "$gamma" = sbit      || opts="$opts --nogamma-sbit"
+   test "$gamma" = 16-to-8   || opts="$opts --nogamma-16-to-8"
 
-./pngvalid -q
+   if ./pngvalid -q --nostandard $opts
+   then
+      echo "PASS:" pngvalid "(gamma-$gamma)"
+   else
+      echo "FAIL:" pngvalid "(gamma-$gamma)"
+      err=1
+   fi
+done
+
+exit $err