1 files changed, 14 insertions, 0 deletions

diff --git a/pintos-progos/tests/userprog/wait-twice.ck b/pintos-progos/tests/userprog/wait-twice.ck
new file mode 100644
index 0000000..6d53843
--- /dev/null
+++ b/pintos-progos/tests/userprog/wait-twice.ck
@@ -0,0 +1,14 @@
+# -*- perl -*-
+use strict;
+use warnings;
+use tests::tests;
+check_expected ([<<'EOF']);
+(wait-twice) begin
+(child-simple) run
+child-simple: exit(81)
+(wait-twice) wait(exec()) = 81
+(wait-twice) wait(exec()) = -1
+(wait-twice) end
+wait-twice: exit(0)
+EOF
+pass;