X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftests%2Fuserprog%2Fbad-write.c;fp=src%2Ftests%2Fuserprog%2Fbad-write.c;h=000c26b315a88179cca360dc75b55eeffd91d01d;hb=1f197c6861841bc0c27327c20b85e7b43b65affe;hp=0000000000000000000000000000000000000000;hpb=bd18aa4d5b565826e29ccfcaa0eb2cf689cae96c;p=pintos-anon

diff --git a/src/tests/userprog/bad-write.c b/src/tests/userprog/bad-write.c
new file mode 100644
index 0000000..000c26b
--- /dev/null
+++ b/src/tests/userprog/bad-write.c
@@ -0,0 +1,12 @@
+/* This program attempts to write to memory at an address that is not mapped.
+   This should terminate the process with a -1 exit code. */
+
+#include "tests/lib.h"
+#include "tests/main.h"
+
+void
+test_main (void) 
+{
+  *(int *)NULL = 42;
+  fail ("should have exited with -1");
+}