Initial file system tests.

[pintos-anon] / grading / filesys / grow-sparse.c

diff --git a/grading/filesys/grow-sparse.c b/grading/filesys/grow-sparse.c
new file mode 100644 (file)
index 0000000..6180828
--- /dev/null
+++ b/grading/filesys/grow-sparse.c
@@ -0,0 +1,26 @@
+/* -*- c -*- */
+
+#include <syscall.h>
+#include "fslib.h"
+
+const char test_name[] = "grow-sparse";
+static char buf[76543];
+
+int
+main (void) 
+{
+  char zero = 0;
+  int fd;
+  
+  msg ("begin");
+  check (create ("testfile", 0), "create \"testfile\"");
+  check ((fd = open ("testfile")) > 1, "open \"testfile\"");
+  msg ("seek \"testfile\"");
+  seek (fd, sizeof buf - 1);
+  check (write (fd, &zero, 1) > 0, "write \"testfile\"");
+  msg ("close \"testfile\"");
+  close (fd);
+  check_file ("testfile", buf, sizeof buf);
+  msg ("end");
+  return 0;
+}