From b5f0874cd96ee2a62aabc645b9626c2749cb6a01 Mon Sep 17 00:00:00 2001 From: manuel Date: Mon, 26 Mar 2012 12:54:45 +0200 Subject: initial pintos checkin --- pintos-progos/tests/filesys/extended/grow-sparse.c | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 pintos-progos/tests/filesys/extended/grow-sparse.c (limited to 'pintos-progos/tests/filesys/extended/grow-sparse.c') diff --git a/pintos-progos/tests/filesys/extended/grow-sparse.c b/pintos-progos/tests/filesys/extended/grow-sparse.c new file mode 100644 index 0000000..6eab210 --- /dev/null +++ b/pintos-progos/tests/filesys/extended/grow-sparse.c @@ -0,0 +1,25 @@ +/* Tests that seeking past the end of a file and writing will + properly zero out the region in between. */ + +#include +#include "tests/lib.h" +#include "tests/main.h" + +static char buf[76543]; + +void +test_main (void) +{ + const char *file_name = "testfile"; + char zero = 0; + int fd; + + CHECK (create (file_name, 0), "create \"%s\"", file_name); + CHECK ((fd = open (file_name)) > 1, "open \"%s\"", file_name); + msg ("seek \"%s\"", file_name); + seek (fd, sizeof buf - 1); + CHECK (write (fd, &zero, 1) > 0, "write \"%s\"", file_name); + msg ("close \"%s\"", file_name); + close (fd); + check_file (file_name, buf, sizeof buf); +} -- cgit v1.2.3