X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftests%2Fuserprog%2Fread-zero.c;h=e441817d13f8b0c4f969d49489de95bb748b050d;hb=52c038240d5fa59e4ac230e5fc7587aec328e5d3;hp=db9d206d3dcee050b078757d26538e5feaab28fb;hpb=615bf3b3d2a8573ed6fb9ddc0055745e163ac999;p=pintos-anon

diff --git a/src/tests/userprog/read-zero.c b/src/tests/userprog/read-zero.c
index db9d206..e441817 100644
--- a/src/tests/userprog/read-zero.c
+++ b/src/tests/userprog/read-zero.c
@@ -1,3 +1,6 @@
+/* Try a 0-byte read, which should return 0 without reading
+   anything. */
+
 #include <syscall.h>
 #include "tests/lib.h"
 #include "tests/main.h"