/* vi:set ts=8 sts=4 sw=4 noet:
 *
 * VIM - Vi IMproved	by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 * See README.txt for an overview of the Vim source code.
 */

/*
 * message_test.c: Unittests for message.c
 */

#undef NDEBUG
#include <assert.h>

/* Must include main.c because it contains much more than just main() */
#define NO_VIM_MAIN
#include "main.c"

/* This file has to be included because some of the tested functions are
 * static. */
#include "message.c"

/*
 * Test trunc_string().
 */
static void
test_trunc_string(void)
{
  char_u *buf; /*allocated every time to find uninit errors */
  char_u *s;

  /* in place */
  buf = alloc(40);
  STRCPY(buf, "text");
  trunc_string(buf, buf, 20, 40);
  assert(STRCMP(buf, "text") == 0);
  vim_free(buf);

  buf = alloc(40);
  STRCPY(buf, "a short text");
  trunc_string(buf, buf, 20, 40);
  assert(STRCMP(buf, "a short text") == 0);
  vim_free(buf);

  buf = alloc(40);
  STRCPY(buf, "a text tha just fits");
  trunc_string(buf, buf, 20, 40);
  assert(STRCMP(buf, "a text tha just fits") == 0);
  vim_free(buf);

  buf = alloc(40);
  STRCPY(buf, "a text that nott fits");
  trunc_string(buf, buf, 20, 40);
  assert(STRCMP(buf, "a text t...nott fits") == 0);
  vim_free(buf);

  /* copy from string to buf */
  buf = alloc(40);
  s = vim_strsave((char_u *)"text");
  trunc_string(s, buf, 20, 40);
  assert(STRCMP(buf, "text") == 0);
  vim_free(buf);
  vim_free(s);

  buf = alloc(40);
  s = vim_strsave((char_u *)"a text that fits");
  trunc_string(s, buf, 34, 40);
  assert(STRCMP(buf, "a text that fits") == 0);
  vim_free(buf);
  vim_free(s);

  buf = alloc(40);
  s = vim_strsave((char_u *)"a short text");
  trunc_string(s, buf, 20, 40);
  assert(STRCMP(buf, "a short text") == 0);
  vim_free(buf);
  vim_free(s);

  buf = alloc(40);
  s = vim_strsave((char_u *)"a text tha just fits");
  trunc_string(s, buf, 20, 40);
  assert(STRCMP(buf, "a text tha just fits") == 0);
  vim_free(buf);
  vim_free(s);

  buf = alloc(40);
  s = vim_strsave((char_u *)"a text that nott fits");
  trunc_string(s, buf, 20, 40);
  assert(STRCMP(buf, "a text t...nott fits") == 0);
  vim_free(buf);
  vim_free(s);
}

int main(int argc, char **argv)
{
  vim_memset(&params, 0, sizeof(params));
  params.argc = argc;
  params.argv = argv;
  common_init(&params);
  init_chartab();

  test_trunc_string();
  return 0;
}
