--- /dev/null
+#include <string.h>
+#include <syscall.h>
+#include "tests/vm/sample.inc"
+#include "tests/lib.h"
+#include "tests/main.h"
+
+void
+test_main (void)
+{
+ char *actual = (char *) 0x10000000;
+ int handle;
+ mapid_t map;
+ size_t i;
+
+ CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
+ CHECK ((map = mmap (handle, actual)) != MAP_FAILED, "mmap \"sample.txt\"");
+
+ /* Check that data is correct. */
+ if (memcmp (actual, sample, strlen (sample)))
+ fail ("read of mmap'd file reported bad data");
+
+ /* Verify that data is followed by zeros. */
+ for (i = strlen (sample); i < 4096; i++)
+ if (actual[i] != 0)
+ fail ("byte %zu of mmap'd region has value %02hhx (should be 0)",
+ i, actual[i]);
+
+ munmap (map);
+ close (handle);
+}