view src/message_test.c @ 15521:6d949e552e99 v8.1.0768

patch 8.1.0768: updating completions may cause the popup menu to flicker commit https://github.com/vim/vim/commit/ae654385dfb2ae4c1d70789d1dce3676dba4dfbc Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 17 21:09:05 2019 +0100 patch 8.1.0768: updating completions may cause the popup menu to flicker Problem: Updating completions may cause the popup menu to flicker. Solution: Avoid updating the text below the popup menu before drawing the popup menu.
author Bram Moolenaar <Bram@vim.org>
date Thu, 17 Jan 2019 21:15:06 +0100
parents b254fd46ef62
children 80b40bd5ec1a
line wrap: on
line source

/* 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;
}