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#include <ccan/tap/tap.h>
#include <ccan/opt/opt.c>
#include <ccan/opt/usage.c>
#include <ccan/opt/helpers.c>
#include <ccan/opt/parse.c>
static void show_10(char buf[OPT_SHOW_LEN], const void *arg)
{
memset(buf, 'X', 10);
buf[10] = '\0';
}
static void show_max(char buf[OPT_SHOW_LEN], const void *arg)
{
memset(buf, 'X', OPT_SHOW_LEN);
}
/* Test add_desc helper. */
int main(int argc, char *argv[])
{
struct opt_table opt;
char *ret;
size_t len, max;
plan_tests(30);
opt.show = NULL;
opt.names = "01234";
opt.desc = "0123456789 0";
opt.type = OPT_NOARG;
len = max = 0;
/* Fits easily. */
ret = add_desc(NULL, &len, &max, 10, 30, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret, "01234 0123456789 0\n") == 0);
free(ret); len = max = 0;
/* Name just fits. */
ret = add_desc(NULL, &len, &max, 7, 30, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret, "01234 0123456789 0\n") == 0);
free(ret); len = max = 0;
/* Name doesn't fit. */
ret = add_desc(NULL, &len, &max, 6, 30, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret,
"01234\n"
" 0123456789 0\n") == 0);
free(ret); len = max = 0;
/* Description just fits. */
ret = add_desc(NULL, &len, &max, 7, 19, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret, "01234 0123456789 0\n") == 0);
free(ret); len = max = 0;
/* Description doesn't quite fit. */
ret = add_desc(NULL, &len, &max, 7, 18, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret,
"01234 0123456789\n"
" 0\n") == 0);
free(ret); len = max = 0;
/* Neither quite fits. */
ret = add_desc(NULL, &len, &max, 6, 17, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret,
"01234\n"
" 0123456789\n"
" 0\n") == 0);
free(ret); len = max = 0;
/* With show function, fits just. */
opt.show = show_10;
ret = add_desc(NULL, &len, &max, 7, 41, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret, "01234 0123456789 0 (default: XXXXXXXXXX)\n") == 0);
free(ret); len = max = 0;
/* With show function, just too long. */
ret = add_desc(NULL, &len, &max, 7, 40, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret,
"01234 0123456789 0\n"
" (default: XXXXXXXXXX)\n") == 0);
free(ret); len = max = 0;
/* With maximal show function, fits just (we assume OPT_SHOW_LEN = 80. */
opt.show = show_max;
ret = add_desc(NULL, &len, &max, 7, 114, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret, "01234 0123456789 0 (default: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX...)\n") == 0);
free(ret); len = max = 0;
/* With maximal show function, just too long. */
ret = add_desc(NULL, &len, &max, 7, 113, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret,
"01234 0123456789 0\n"
" (default: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX...)\n") == 0);
free(ret); len = max = 0;
/* With added " <arg>". Fits, just. */
opt.show = NULL;
opt.type = OPT_HASARG;
ret = add_desc(NULL, &len, &max, 13, 25, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret, "01234 <arg> 0123456789 0\n") == 0);
free(ret); len = max = 0;
/* With added " <arg>". Name doesn't quite fit. */
ret = add_desc(NULL, &len, &max, 12, 25, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret,
"01234 <arg>\n"
" 0123456789 0\n") == 0);
free(ret); len = max = 0;
/* With added " <arg>". Desc doesn't quite fit. */
ret = add_desc(NULL, &len, &max, 13, 24, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret,
"01234 <arg> 0123456789\n"
" 0\n") == 0);
free(ret); len = max = 0;
/* Empty description, with <arg> and default. Just fits. */
opt.show = show_10;
opt.desc = "";
ret = add_desc(NULL, &len, &max, 13, 35, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret, "01234 <arg> (default: XXXXXXXXXX)\n") == 0);
free(ret); len = max = 0;
/* Empty description, with <arg> and default. Doesn't quite fit. */
opt.show = show_10;
opt.desc = "";
ret = add_desc(NULL, &len, &max, 13, 34, &opt);
ok1(len < max);
ret[len] = '\0';
ok1(strcmp(ret,
"01234 <arg> \n"
" (default: XXXXXXXXXX)\n") == 0);
free(ret); len = max = 0;
return exit_status();
}
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