/* This test checks that the stack is properly extended even if
the first access to a stack location occurs inside a system
call.
From Godmar Back. */
#include
#include
#include “tests/vm/sample.inc”
#include “tests/lib.h”
#include “tests/main.h”
void
test_main (void)
{
int handle;
int slen = strlen (sample);
char buf2[65536];
/* Write file via write(). */
CHECK (create (“sample.txt”, slen), “create \”sample.txt\””);
CHECK ((handle = open (“sample.txt”)) > 1, “open \”sample.txt\””);
CHECK (write (handle, sample, slen) == slen, “write \”sample.txt\””);
close (handle);
/* Read back via read(). */
CHECK ((handle = open (“sample.txt”)) > 1, “2nd open \”sample.txt\””);
CHECK (read (handle, buf2 + 32768, slen) == slen, “read \”sample.txt\””);
CHECK (!memcmp (sample, buf2 + 32768, slen), “compare written data against read data”);
close (handle);
}