1 files changed, 15 insertions, 0 deletions

diff --git a/tests/userprog/write-bad-ptr.ck b/tests/userprog/write-bad-ptr.ck
new file mode 100644
index 0000000..ad9f399
--- /dev/null
+++ b/tests/userprog/write-bad-ptr.ck
@@ -0,0 +1,15 @@
+# -*- perl -*-
+use strict;
+use warnings;
+use tests::tests;
+check_expected ([<<'EOF', <<'EOF']);
+(write-bad-ptr) begin
+(write-bad-ptr) open "sample.txt"
+(write-bad-ptr) end
+write-bad-ptr: exit(0)
+EOF
+(write-bad-ptr) begin
+(write-bad-ptr) open "sample.txt"
+write-bad-ptr: exit(-1)
+EOF
+pass;