source: web/old/remctl-2.14/tests/portable/strlcat-t.c @ f6f3e91

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Last change on this file since f6f3e91 was f6f3e91, checked in by Jessica B. Hamrick <jhamrick@…>, 15 years ago

Preserve directory hierarchy (not sure what happened to it)

  • Property mode set to 100644
File size: 2.9 KB
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1/*
2 * strlcat test suite.
3 *
4 * Written by Russ Allbery <rra@stanford.edu>
5 * Copyright 2009 Board of Trustees, Leland Stanford Jr. University
6 * Copyright (c) 2004, 2005, 2006
7 *     by Internet Systems Consortium, Inc. ("ISC")
8 * Copyright (c) 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
9 *     2002, 2003 by The Internet Software Consortium and Rich Salz
10 *
11 * See LICENSE for licensing terms.
12 */
13
14#include <config.h>
15#include <portable/system.h>
16
17#include <tests/tap/basic.h>
18
19size_t test_strlcat(char *, const char *, size_t);
20
21
22int
23main(void)
24{
25    char buffer[10] = "";
26
27    plan(27);
28
29    is_int(3, test_strlcat(buffer, "foo", sizeof(buffer)),
30           "strlcat into empty buffer");
31    is_string("foo", buffer, "...with right output");
32    is_int(7, test_strlcat(buffer, " bar", sizeof(buffer)),
33           "...and append more");
34    is_string("foo bar", buffer, "...and output is still correct");
35    is_int(9, test_strlcat(buffer, "!!", sizeof(buffer)),
36           "...and append to buffer limit");
37    is_string("foo bar!!", buffer, "...output is still correct");
38    is_int(10, test_strlcat(buffer, "!", sizeof(buffer)),
39           "...append one more character");
40    is_string("foo bar!!", buffer, "...and output didn't change");
41    ok(buffer[9] == '\0', "...buffer still nul-terminated");
42    buffer[0] = '\0';
43    is_int(11, test_strlcat(buffer, "hello world", sizeof(buffer)),
44           "append single long string");
45    is_string("hello wor", buffer, "...string truncates properly");
46    ok(buffer[9] == '\0', "...buffer still nul-terminated");
47    buffer[0] = '\0';
48    is_int(7, test_strlcat(buffer, "sausage", 5), "lie about buffer length");
49    is_string("saus", buffer, "...contents are correct");
50    is_int(14, test_strlcat(buffer, "bacon eggs", sizeof(buffer)),
51           "...add more up to real size");
52    is_string("sausbacon", buffer, "...and result is correct");
53
54    /* Make sure that with a size of 0, the destination isn't changed. */
55    is_int(11, test_strlcat(buffer, "!!", 0), "no change with size of 0");
56    is_string("sausbacon", buffer, "...and content is the same");
57
58    /* Now play with empty strings. */
59    is_int(9, test_strlcat(buffer, "", 0),
60           "correct count when appending empty string");
61    is_string("sausbacon", buffer, "...and contents are unchanged");
62    buffer[0] = '\0';
63    is_int(0, test_strlcat(buffer, "", sizeof(buffer)),
64           "correct count when appending empty string to empty buffer");
65    is_string("", buffer, "...and buffer content is correct");
66    is_int(3, test_strlcat(buffer, "foo", 2), "append to length 2 buffer");
67    is_string("f", buffer, "...and got only a single character");
68    ok(buffer[1] == '\0', "...and buffer is still nul-terminated");
69    is_int(1, test_strlcat(buffer, "", sizeof(buffer)),
70           "append an empty string");
71    ok(buffer[1] == '\0', "...and buffer is still nul-terminated");
72
73    return 0;
74}
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