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/*
* strlcat test suite.
*
* Written by Russ Allbery <rra@stanford.edu>
* Copyright 2009 Board of Trustees, Leland Stanford Jr. University
* Copyright (c) 2004, 2005, 2006
* by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
* 2002, 2003 by The Internet Software Consortium and Rich Salz
*
* See LICENSE for licensing terms.
*/
#include <config.h>
#include <portable/system.h>
#include <tests/tap/basic.h>
size_t test_strlcat(char *, const char *, size_t);
int
main(void)
{
char buffer[10] = "";
plan(27);
is_int(3, test_strlcat(buffer, "foo", sizeof(buffer)),
"strlcat into empty buffer");
is_string("foo", buffer, "...with right output");
is_int(7, test_strlcat(buffer, " bar", sizeof(buffer)),
"...and append more");
is_string("foo bar", buffer, "...and output is still correct");
is_int(9, test_strlcat(buffer, "!!", sizeof(buffer)),
"...and append to buffer limit");
is_string("foo bar!!", buffer, "...output is still correct");
is_int(10, test_strlcat(buffer, "!", sizeof(buffer)),
"...append one more character");
is_string("foo bar!!", buffer, "...and output didn't change");
ok(buffer[9] == '\0', "...buffer still nul-terminated");
buffer[0] = '\0';
is_int(11, test_strlcat(buffer, "hello world", sizeof(buffer)),
"append single long string");
is_string("hello wor", buffer, "...string truncates properly");
ok(buffer[9] == '\0', "...buffer still nul-terminated");
buffer[0] = '\0';
is_int(7, test_strlcat(buffer, "sausage", 5), "lie about buffer length");
is_string("saus", buffer, "...contents are correct");
is_int(14, test_strlcat(buffer, "bacon eggs", sizeof(buffer)),
"...add more up to real size");
is_string("sausbacon", buffer, "...and result is correct");
/* Make sure that with a size of 0, the destination isn't changed. */
is_int(11, test_strlcat(buffer, "!!", 0), "no change with size of 0");
is_string("sausbacon", buffer, "...and content is the same");
/* Now play with empty strings. */
is_int(9, test_strlcat(buffer, "", 0),
"correct count when appending empty string");
is_string("sausbacon", buffer, "...and contents are unchanged");
buffer[0] = '\0';
is_int(0, test_strlcat(buffer, "", sizeof(buffer)),
"correct count when appending empty string to empty buffer");
is_string("", buffer, "...and buffer content is correct");
is_int(3, test_strlcat(buffer, "foo", 2), "append to length 2 buffer");
is_string("f", buffer, "...and got only a single character");
ok(buffer[1] == '\0', "...and buffer is still nul-terminated");
is_int(1, test_strlcat(buffer, "", sizeof(buffer)),
"append an empty string");
ok(buffer[1] == '\0', "...and buffer is still nul-terminated");
return 0;
}
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