// decode across buffer boundary

#include <stdio.h>

#include <locale.h>

#include <wchar.h>

#include <unistd.h>

#include <errno.h>

#include <string.h>

#include "test.h"

#define A(c) do { if (!(c)) t_error(#c" failed\n"); } while(0)

int main()

{

	t_setutf8();

	int p[2];

	A(pipe(p) == 0);

	A(write(p[1], "x\340\240", 3) == 3);

	A(dup2(p[0], 0) == 0);

	wint_t wc;

	wc = fgetwc(stdin);

	A(wc == 'x');

	A(write(p[1], "\200", 1) == 1);

	close(p[1]);

	wc = fgetwc(stdin);

	if (wc != 0x800)

		t_error("wanted 0x800, got 0x%x\n", (unsigned)wc);

	errno = 0;

	wc = fgetwc(stdin);

	if (wc != WEOF)

		t_error("wanted WEOF, got 0x%x\n", (unsigned)wc);

	if (errno != 0)

		t_error("wanted errno==0, got %d (%s)\n", errno, strerror(errno));

	A(feof(stdin)!=0);

	A(ferror(stdin)==0);

	return t_status;

}