mysys_my_b_vprintf-t.cc

/* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License as
   published by the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

// First include (the generated) my_config.h, to get correct platform defines.
#include "my_config.h"
#include <gtest/gtest.h>
#include <my_global.h>
#include <my_sys.h>

namespace my_b_vprintf_unittest {

void test1(const char *res, const char *fmt, ...)
{
  IO_CACHE info;
  va_list args;
  size_t len;
  init_io_cache(&info, -1, 0, WRITE_CACHE, 0 , 1 , MYF(0));
  memset(info.write_buffer, 0, 64);             /* RECORD_CACHE_SIZE is 64K */
  va_start(args, fmt);
  len= my_b_vprintf(&info, fmt, args);
  va_end(args);
  EXPECT_EQ(len, strlen(res));
  EXPECT_STREQ((char *)(info.write_buffer), res);
  end_io_cache(&info);
}

TEST(Mysys, Vprintf)
{
  test1("Format specifier s works",
        "Format specifier s %s", "works");
  test1("Format specifier b works",
        "Format specifier b %.5b", "works!!!");
  test1("Format specifier b with * works",
        "Format specifier b with * %.*b", 5, "workss!!!");
  test1("Format specifier c !",
        "Format specifier c %c", '!');
  test1("Format specifier d 1",
        "Format specifier d %d", 1);
  test1("Format specifier u 2",
        "Format specifier u %u", 2);
  test1("Format specifier ld -3",
        "Format specifier ld %ld", -3L);
  test1("Format specifier lu 4",
        "Format specifier lu %lu", 4L);
  test1("Format specifier llu 5",
        "Format specifier llu %llu", 5LL);

  test1("Width is ignored for strings <x> <y>",
        "Width is ignored for strings <%04s> <%5s>", "x", "y");

  test1("Hello",
        "Hello");
  test1("Hello int, 1",
        "Hello int, %d", 1);
  test1("Hello int, -1",
        "Hello int, %d", -1);
  test1("Hello string 'I am a string'",
        "Hello string '%s'", "I am a string");
  test1("Hello hack hack 1",
        "Hello hack hack %d", 1);
  test1("Hello 1 hack 4",
        "Hello %d hack %d", 1, 4);
  test1("Hello 1 hack hack hack hack hack 4",
        "Hello %d hack hack hack hack hack %d", 1, 4);
  test1("Hello 'hack' hhhhhhhhhhhhhhh",
        "Hello '%s' hhhhhhhhhhhhhhh", "hack");
  test1("Hello hhhhhhhhh 1 sssssssss",
        "Hello hhhhhhhhh %d sssssssss", 1);
  test1("Hello 1",
        "Hello %u", 1);
  test1("Hello 4294967295",
        "Hello %u", -1);
  test1("Hello TEST",
        "Hello %05s", "TEST");

}

}