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/* $OpenBSD: tests.c,v 1.2 2016/05/30 12:05:56 schwarze Exp $ */
/*
* Regress test for the utf8.h *mprintf() API
*
* Written by Ingo Schwarze <schwarze@openbsd.org> in 2016
* and placed in the public domain.
*/
#include <locale.h>
#include <string.h>
#include "test_helper.h"
#include "utf8.h"
void badarg(void);
void one(const char *, const char *, int, int, int, const char *);
void
badarg(void)
{
char buf[16];
int len, width;
width = 1;
TEST_START("utf8_badarg");
len = snmprintf(buf, sizeof(buf), &width, "\377");
ASSERT_INT_EQ(len, -1);
ASSERT_STRING_EQ(buf, "");
ASSERT_INT_EQ(width, 0);
TEST_DONE();
}
void
one(const char *name, const char *mbs, int width,
int wantwidth, int wantlen, const char *wants)
{
char buf[16];
int *wp;
int len;
if (wantlen == -2)
wantlen = strlen(wants);
(void)strlcpy(buf, "utf8_", sizeof(buf));
(void)strlcat(buf, name, sizeof(buf));
TEST_START(buf);
wp = wantwidth == -2 ? NULL : &width;
len = snmprintf(buf, sizeof(buf), wp, "%s", mbs);
ASSERT_INT_EQ(len, wantlen);
ASSERT_STRING_EQ(buf, wants);
ASSERT_INT_EQ(width, wantwidth);
TEST_DONE();
}
void
tests(void)
{
char *loc;
TEST_START("utf8_setlocale");
loc = setlocale(LC_CTYPE, "en_US.UTF-8");
ASSERT_PTR_NE(loc, NULL);
TEST_DONE();
badarg();
one("null", NULL, 8, 6, 6, "(null)");
one("empty", "", 2, 0, 0, "");
one("ascii", "x", -2, -2, -2, "x");
one("newline", "a\nb", -2, -2, -2, "a\nb");
one("cr", "a\rb", -2, -2, -2, "a\rb");
one("tab", "a\tb", -2, -2, -2, "a\tb");
one("esc", "\033x", -2, -2, -2, "\\033x");
one("inv_badbyte", "\377x", -2, -2, -2, "\\377x");
one("inv_nocont", "\341x", -2, -2, -2, "\\341x");
one("inv_nolead", "a\200b", -2, -2, -2, "a\\200b");
one("sz_ascii", "1234567890123456", -2, -2, 16, "123456789012345");
one("sz_esc", "123456789012\033", -2, -2, 16, "123456789012");
one("width_ascii", "123", 2, 2, -1, "12");
one("width_double", "a\343\201\201", 2, 1, -1, "a");
one("double_fit", "a\343\201\201", 3, 3, 4, "a\343\201\201");
one("double_spc", "a\343\201\201", 4, 3, 4, "a\343\201\201");
}
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