tests: Skip PSPP permissions test if permissions don't work as expected.

If permissions don't work from shell, then we can't expect them to work
from PSPP.

Thanks to Marshall DeBerry for reporting the problem.

diff --git a/tests/data/file.at b/tests/data/file.at
index e48fe05a65c95e190c9891a008b8b69f84bfc4b3..4e19bcc464e6f0fb95dcbe95042ae9b5b3698f23 100644 (file)
--- a/tests/data/file.at
+++ b/tests/data/file.at
@@ -39,9 +39,15 @@ AT_CLEANUP
 
 AT_SETUP([Write error - no permission])
 
-mkdir  directory
-touch directory/foobar.sav
-chmod 000 directory
+AT_CHECK([
+    mkdir directory
+    touch directory/foobar.sav
+    chmod 000 directory
+])
+
+# If we can write to the directory, then permissions just don't work
+# properly.  (Perhaps we're running as root.)
+AT_SKIP_IF([: > directory/foo])
 
 AT_DATA([file.sps], [dnl
 DATA LIST NOTABLE/x 1.