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/*
* Copyright (c) 2020, Masatake YAMATO
*
* This source code is released into the public domain.
*
* Testing tagsOpen() API function
*/
#include "readtags.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static int
check_info (tagFileInfo *info, tagFileInfo *expected)
{
fprintf (stderr, "inspecting info->file.format...");
if (info->file.format != expected->file.format)
{
fprintf (stderr, "unexpected result: %d\n", info->file.format);
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "inspecting info->file.sort...");
if (info->file.sort != expected->file.sort)
{
fprintf (stderr, "unexpected result: %d\n", info->file.sort);
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "inspecting info->program.author...");
if (strcmp (info->program.author, expected->program.author))
{
fprintf (stderr, "unexpected result: %s\n", info->program.author);
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "inspecting info->program.name...");
if (strcmp (info->program.name, expected->program.name))
{
fprintf (stderr, "unexpected result: %s\n", info->program.name);
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "inspecting info->program.url...");
if (strcmp (info->program.url, expected->program.url))
{
fprintf (stderr, "unexpected result: %s\n", info->program.url);
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "inspecting info->program.version...");
if (strcmp (info->program.version, expected->program.version))
{
fprintf (stderr, "unexpected result: %s\n", expected->program.version);
return 1;
}
fprintf (stderr, "ok\n");
return 0;
}
int
main (void)
{
char *srcdir = getenv ("srcdir");
if (srcdir)
{
if (chdir (srcdir) == -1)
{
perror ("chdir");
return 99;
}
}
tagFile *t;
tagFileInfo info;
const char *tags0 = "./no-such-file.tags";
fprintf (stderr, "opening no-existing tags file...");
t = tagsOpen (tags0, &info);
if (! (t == NULL
&& info.status.opened == 0
&& info.status.error_number != 0))
{
fprintf (stderr, "unexpected result (t: %p, opened: %d, error_number: %d)\n",
t, info.status.opened, info.status.error_number);
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "opening no-existing tags file with NULL tagFileInfo...");
t = tagsOpen (tags0, NULL);
if (t != NULL)
{
fprintf (stderr, "unexpected result (t: %p)\n", t);
return 1;
}
fprintf (stderr, "ok\n");
tagFileInfo expected1 = {
.file.format = 2,
.file.sort = TAG_SORTED,
.program.author = "Darren Hiebert",
.program.name = "Exuberant Ctags",
.program.url = "http://ctags.sourceforge.net",
.program.version = "5.8",
};
const char *tags1 = "./api-tagsOpen-ectags.tags";
fprintf (stderr, "opening an existing tags file...");
t = tagsOpen (tags1, &info);
if (t == NULL
|| info.status.opened == 0)
{
fprintf (stderr, "unexpected result (t: %p, opened: %d)\n",
t, info.status.opened);
return 1;
}
fprintf (stderr, "ok\n");
if (check_info (&info, &expected1) != 0)
return 1;
fprintf (stderr, "closing the tag file...");
if (tagsClose (t) != TagSuccess)
{
fprintf (stderr, "unexpected result\n");
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "opening an existing tags file with NULL tagFileInfo...");
t = tagsOpen (tags1, NULL);
if (t == NULL)
{
fprintf (stderr, "unexpected result\n");
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "closing the tag file...");
if (tagsClose (t) != TagSuccess)
{
fprintf (stderr, "unexpected result\n");
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "opening a / (an error is expected)...");
info.status.error_number = 0;
t = tagsOpen ("/", &info);
if (t != NULL)
{
fprintf (stderr, "unexpected result (!NULL)\n");
return 1;
}
else if (info.status.opened)
{
fprintf (stderr, "unexpected result (opened != 0)\n");
return 1;
}
else if (info.status.error_number == 0)
{
fprintf (stderr, "no error\n");
return 1;
}
fprintf (stderr, "ok (errno: %d)\n", info.status.error_number);
fprintf (stderr, "closing the unopened tag file...");
if (tagsClose (t) == TagSuccess)
{
fprintf (stderr, "unexpected result\n");
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "opening an broken tags file (format: unexpected number)...");
t = tagsOpen ("./api-tagsOpen-wrong-format-num.tags", &info);
if (t)
{
fprintf (stderr, "opened well unexpectedly (NULL)\n");
return 1;
}
else if (info.status.error_number != TagErrnoUnexpectedFormat)
{
fprintf (stderr, "unexpected error (!= TagErrnoUnexpectedFormat)\n");
}
fprintf (stderr, "ok\n");
fprintf (stderr, "closing the unopened tag file...");
if (tagsClose (t) == TagSuccess)
{
fprintf (stderr, "unexpected result\n");
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "opening an broken tags file (format: not a number)...");
t = tagsOpen ("./api-tagsOpen-wrong-format-nonum.tags", &info);
if (t)
{
fprintf (stderr, "opened well unexpectedly (NULL)\n");
return 1;
}
else if (info.status.error_number != TagErrnoUnexpectedFormat)
{
fprintf (stderr, "unexpected error (!= TagErrnoUnexpectedFormat)\n");
}
fprintf (stderr, "ok\n");
fprintf (stderr, "closing the unopened tag file...");
if (tagsClose (t) == TagSuccess)
{
fprintf (stderr, "unexpected result\n");
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "opening an broken tags file (sort: unexpected number)...");
t = tagsOpen ("./api-tagsOpen-wrong-sort-method-num.tags", &info);
if (t)
{
fprintf (stderr, "opened well unexpectedly (NULL)\n");
return 1;
}
else if (info.status.error_number != TagErrnoUnexpectedSortedMethod)
{
fprintf (stderr, "unexpected error (!= TagErrnoUnexpectedSortedMethod)\n");
}
fprintf (stderr, "ok\n");
fprintf (stderr, "closing the unopened tag file...");
if (tagsClose (t) == TagSuccess)
{
fprintf (stderr, "unexpected result\n");
return 1;
}
fprintf (stderr, "ok\n");
fprintf (stderr, "opening an broken tags file (sort: not a number)...");
t = tagsOpen ("./api-tagsOpen-wrong-sort-method-nonum.tags", &info);
if (t)
{
fprintf (stderr, "opened well unexpectedly (NULL)\n");
return 1;
}
else if (info.status.error_number != TagErrnoUnexpectedSortedMethod)
{
fprintf (stderr, "unexpected error (!= TagErrnoUnexpectedSortedMethod)\n");
}
fprintf (stderr, "ok\n");
fprintf (stderr, "closing the unopened tag file...");
if (tagsClose (t) == TagSuccess)
{
fprintf (stderr, "unexpected result\n");
return 1;
}
fprintf (stderr, "ok\n");
const char* broken_PROGRAM_AUTHOR [6] = {
"Universal Ctags Team",
"Universal Ctags Team",
"",
NULL,
NULL,
NULL,
};
for (int i = 0; i < 6; i++)
{
char tagf_name_tmpl [] = "./api-tagsOpen-incomplete-program-author-%d.tags";
char tagf_name [sizeof (tagf_name_tmpl) - 1];
fprintf (stderr, "opening a tags file with incomplete PROGRAM_AUTHOR field [trimming level: %d]...", i);
snprintf (tagf_name, sizeof (tagf_name), tagf_name_tmpl, i);
t = tagsOpen (tagf_name, &info);
if (t == NULL)
{
fprintf (stderr, "unexpected error: %d %s\n", info.status.error_number,
info.status.error_number > 0
? strerror (info.status.error_number)
: "");
return 1;
}
if (!((broken_PROGRAM_AUTHOR [i] == info.program.author)
|| (broken_PROGRAM_AUTHOR [i]
&& info.program.author
&& strcmp (broken_PROGRAM_AUTHOR [i], info.program.author)) == 0))
{
fprintf (stderr, "unexpected value: %s (!= %s)\n",
info.program.author? info.program.author: "(null)",
broken_PROGRAM_AUTHOR [i]? broken_PROGRAM_AUTHOR [i]: "(null)");
return 1;
}
fprintf (stderr, "closing the unopened tag file...");
if (tagsClose (t) == TagFailure)
{
fprintf (stderr, "successful unexpectedly\n");
return 1;
}
fprintf (stderr, "ok\n");
}
return 0;
}
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