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305 lines
7 KiB
C
305 lines
7 KiB
C
/*-
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* Copyright (c) 2014-2015 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#define T_MAGIC_STR CS("xyzzy")
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#define T_MAGIC_LEN (sizeof("xyzzy") - 1)
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#define T_LONG_MAGIC_STR CS("squeamish ossifrage")
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#define T_LONG_MAGIC_LEN (sizeof("squeamish ossifrage") - 1)
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static int
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t_string_noop(char **desc CRYB_UNUSED, void *arg)
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{
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string *str;
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(void)arg;
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if ((str = string_new()) == NULL)
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return (0);
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string_delete(str);
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return (1);
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}
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static int
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t_string_new(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
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{
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string *s;
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int ret;
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ret = 1;
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t_malloc_fail_after = 1;
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ret &= t_is_not_null(s = string_new());
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string_delete(s);
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ret &= t_is_null(s = string_new());
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string_delete(s);
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t_malloc_fail = 0;
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return (ret);
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}
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/***************************************************************************
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* Appending and expansion
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*/
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static struct t_append_case {
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const char *desc;
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const char_t *s;
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size_t ilen;
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ssize_t olen;
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int fail;
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} t_append_cases[] = {
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/* all short cases are performed with malloc failure enabled */
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{
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.desc = "empty with limit",
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.s = CS(""),
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.ilen = 0,
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.olen = 0,
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.fail = 1,
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},
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{
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.desc = "empty without limit",
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.s = CS(""),
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.ilen = SIZE_MAX,
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.olen = 0,
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.fail = 1,
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},
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{
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.desc = "short with limit",
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.s = T_MAGIC_STR,
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.ilen = T_MAGIC_LEN / 2,
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.olen = T_MAGIC_LEN / 2,
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.fail = 1,
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},
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{
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.desc = "short without limit",
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.s = T_MAGIC_STR,
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.ilen = SIZE_MAX,
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.olen = T_MAGIC_LEN,
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.fail = 1,
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},
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/* expected to allocate (but we have no way to test that) */
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{
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.desc = "long",
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.s = T_LONG_MAGIC_STR,
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.ilen = SIZE_MAX,
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.olen = T_LONG_MAGIC_LEN,
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.fail = 0,
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},
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/* expected to try to allocate and fail */
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{
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.desc = "long with allocation failure",
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.s = T_LONG_MAGIC_STR,
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.ilen = SIZE_MAX,
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.olen = -1,
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.fail = 1,
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},
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};
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static int
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t_string_append_cs(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_append_case *t = arg;
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string *s;
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int ret;
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s = string_new();
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t_malloc_fail = t->fail;
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ret = t_compare_ssz(t->olen, string_append_cs(s, t->s, t->ilen));
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t_malloc_fail = 0;
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string_delete(s);
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return (ret);
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}
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static int
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t_string_append_string(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_append_case *t = arg;
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string *s, *os;
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int ret;
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s = string_new();
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string_append_cs(s, CS("!"), 1);
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os = string_dup_cs(t->s, SIZE_MAX);
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t_malloc_fail = t->fail;
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ret = t_compare_ssz(t->olen < 0 ? t->olen : t->olen + 1,
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string_append_string(s, os, t->ilen));
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t_malloc_fail = 0;
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string_delete(os);
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string_delete(s);
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return (ret);
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}
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/***************************************************************************
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* Comparisons
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*/
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static struct t_compare_case {
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const char *desc;
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const char_t *s1, *s2;
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int cmp;
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} t_compare_cases[] = {
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{
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"empty with empty",
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CS(""),
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CS(""),
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0,
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},
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{
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"empty with non-empty",
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CS(""),
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CS("xyzzy"),
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-1,
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},
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{
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"non-empty with empty",
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CS("xyzzy"),
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CS(""),
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1,
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},
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{
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"non-empty with same non-empty",
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CS("xyzzy"),
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CS("xyzzy"),
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0,
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},
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{
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"non-empty with later non-empty",
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CS("abba"),
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CS("baba"),
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-1,
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},
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{
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"non-empty with earlier non-empty",
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CS("baba"),
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CS("abba"),
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1,
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},
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{
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"non-empty prefix with non-empty",
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CS("baba"),
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CS("babaorum"),
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-1,
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},
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{
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"non-empty with non-empty prefix",
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CS("babaorum"),
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CS("baba"),
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1,
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},
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};
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static int
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t_string_compare(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_compare_case *t = arg;
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string *s1, *s2;
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int ret;
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s1 = string_dup_cs(t->s1, SIZE_MAX);
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s2 = string_dup_cs(t->s2, SIZE_MAX);
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ret = t_compare_i(t->cmp, string_compare(s1, s2));
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string_delete(s2);
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string_delete(s1);
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return (ret);
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}
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static int
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t_string_equal(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_compare_case *t = arg;
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string *s1, *s2;
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int ret = 1;
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s1 = string_dup_cs(t->s1, SIZE_MAX);
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s2 = string_dup_cs(t->s2, SIZE_MAX);
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ret = t_compare_i(t->cmp != 0, string_equal(s1, s2) == 0);
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string_delete(s2);
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string_delete(s1);
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return (ret);
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}
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/***************************************************************************
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* Miscellaneous functions
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*/
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static int
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t_string_trunc(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
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{
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string *s;
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ssize_t len;
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int ret;
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s = string_dup_cs(T_MAGIC_STR, SIZE_MAX);
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len = string_len(s);
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ret = t_compare_ssz(T_MAGIC_LEN, len) &
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t_compare_ssz(len, string_trunc(s, SIZE_MAX)) &
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t_compare_ssz(len, string_trunc(s, len + 1)) &
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t_compare_ssz(len, string_trunc(s, len)) &
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t_compare_ssz(len - 1, string_trunc(s, len - 1));
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string_delete(s);
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return (ret);
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}
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/***************************************************************************
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* Boilerplate
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*/
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int
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t_prepare(int argc, char *argv[])
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{
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unsigned int i;
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(void)argc;
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(void)argv;
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t_malloc_fatal = 1;
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t_add_test(t_string_noop, NULL, "no-op");
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t_add_test(t_string_new, NULL, "string_new");
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for (i = 0; i < sizeof t_append_cases / sizeof *t_append_cases; ++i)
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t_add_test(t_string_append_cs, &t_append_cases[i],
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"%s (%s)", "string_append_cs", t_append_cases[i].desc);
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for (i = 0; i < sizeof t_append_cases / sizeof *t_append_cases; ++i)
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t_add_test(t_string_append_string, &t_append_cases[i],
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"%s (%s)", "string_append_string", t_append_cases[i].desc);
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// t_add_test(t_string_dup_cs, NULL, "string_dup_cs");
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for (i = 0; i < sizeof t_compare_cases / sizeof *t_compare_cases; ++i)
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t_add_test(t_string_compare, &t_compare_cases[i],
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"%s (%s)", "string_compare", t_compare_cases[i].desc);
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for (i = 0; i < sizeof t_compare_cases / sizeof *t_compare_cases; ++i)
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t_add_test(t_string_equal, &t_compare_cases[i],
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"%s (%s)", "string_equal", t_compare_cases[i].desc);
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t_add_test(t_string_trunc, NULL, "string_trunc");
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return (0);
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}
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void
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t_cleanup(void)
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{
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}
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