1 files changed, 20 insertions, 0 deletions
diff --git a/src/tests/userprog/write-normal.c b/src/tests/userprog/write-normal.c
new file mode 100644
index 0000000..e0297aa
--- /dev/null
+++ b/src/tests/userprog/write-normal.c
@@ -0,0 +1,20 @@
+/* Try writing a file in the most normal way. */
+
+#include <syscall.h>
+#include "tests/userprog/sample.inc"
+#include "tests/lib.h"
+#include "tests/main.h"
+
+void
+test_main (void) 
+{
+  int handle, byte_cnt;
+
+  CHECK (create ("test.txt", sizeof sample - 1), "create \"test.txt\"");
+  CHECK ((handle = open ("test.txt")) > 1, "open \"test.txt\"");
+
+  byte_cnt = write (handle, sample, sizeof sample - 1);
+  if (byte_cnt != sizeof sample - 1)
+    fail ("write() returned %d instead of %zu", byte_cnt, sizeof sample - 1);
+}
+