From d4522b8e9854178473adcea0fbb84f23f6e744bd Mon Sep 17 00:00:00 2001 From: Felipe Boeira Date: Tue, 8 Jan 2019 18:39:03 +0100 Subject: Initial commit --- src/tests/userprog/write-boundary.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 src/tests/userprog/write-boundary.c (limited to 'src/tests/userprog/write-boundary.c') diff --git a/src/tests/userprog/write-boundary.c b/src/tests/userprog/write-boundary.c new file mode 100644 index 0000000..d2de1d4 --- /dev/null +++ b/src/tests/userprog/write-boundary.c @@ -0,0 +1,25 @@ +/* Writes data spanning two pages in virtual address space, + which must succeed. */ + +#include +#include +#include "tests/userprog/boundary.h" +#include "tests/userprog/sample.inc" +#include "tests/lib.h" +#include "tests/main.h" + +void +test_main (void) +{ + int handle; + int byte_cnt; + char *sample_p; + + sample_p = copy_string_across_boundary (sample); + + CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\""); + + byte_cnt = write (handle, sample_p, sizeof sample - 1); + if (byte_cnt != sizeof sample - 1) + fail ("write() returned %d instead of %zu", byte_cnt, sizeof sample - 1); +} -- cgit v1.2.1