1 files changed, 12 insertions, 0 deletions

diff --git a/pintos-progos/tests/vm/pt-write-code.c b/pintos-progos/tests/vm/pt-write-code.c
new file mode 100644
index 0000000..5072cec
--- /dev/null
+++ b/pintos-progos/tests/vm/pt-write-code.c
@@ -0,0 +1,12 @@
+/* Try to write to the code segment.
+   The process must be terminated with -1 exit code. */
+
+#include "tests/lib.h"
+#include "tests/main.h"
+
+void
+test_main (void)
+{
+  *(int *) test_main = 0;
+  fail ("writing the code segment succeeded");
+}