~drizzle-trunk/drizzle/development

/* -*- mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2010 Monty Taylor

 *

 *  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; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  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

 */

#include "config.h"

#include <string>

#include <gtest/gtest.h>

#include <drizzled/utf8/utf8.h>

using namespace drizzled;

TEST(utf8, is_single)

{

  EXPECT_EQ(true, utf8::is_single('a'));

  const char *multi_byte= "ç";

  EXPECT_EQ(false, utf8::is_single(*multi_byte));

  EXPECT_EQ(false, utf8::is_single(*(multi_byte + 1)));

}

TEST(utf8, codepoint_length)

{

  uint32_t one_byte= 0x0024;

  uint32_t two_bytes= 0x00A2;

  uint32_t three_bytes= 0x20AC;

  uint32_t four_bytes= 0x024B62;

  EXPECT_EQ(1, utf8::codepoint_length(one_byte));

  EXPECT_EQ(2, utf8::codepoint_length(two_bytes));

  EXPECT_EQ(3, utf8::codepoint_length(three_bytes));

  EXPECT_EQ(4, utf8::codepoint_length(four_bytes));

}

TEST(utf8, sequence_length)

{

  const char *one_byte= "$";

  const char *two_bytes= "¢";

  const char *three_bytes= "€";

  const char *four_bytes= "𤭢";

  EXPECT_EQ(1, utf8::sequence_length(*one_byte));

  EXPECT_EQ(2, utf8::sequence_length(*two_bytes));

  EXPECT_EQ(3, utf8::sequence_length(*three_bytes));

  EXPECT_EQ(4, utf8::sequence_length(*four_bytes));

}

TEST(utf8, char_length)

{

  const char *one_byte= "$";

  const char *two_bytes= "¢";

  const char *three_bytes= "€";

  const char *four_bytes= "𤭢";

  const char *test_string= "__tañgè Ñãmé";

  EXPECT_EQ(1, utf8::char_length(one_byte));

  EXPECT_EQ(1, utf8::char_length(two_bytes));

  EXPECT_EQ(1, utf8::char_length(three_bytes));

  EXPECT_EQ(1, utf8::char_length(four_bytes));

  EXPECT_EQ(12, utf8::char_length(test_string));

}

TEST(utf8, char_length_string)

{

  std::string one_byte= "$";

  std::string two_bytes= "¢";

  std::string three_bytes= "€";

  std::string four_bytes= "𤭢";

  std::string test_string= "__tañgè Ñãmé";

  EXPECT_EQ(1, utf8::char_length(one_byte));

  EXPECT_EQ(1, utf8::char_length(two_bytes));

  EXPECT_EQ(1, utf8::char_length(three_bytes));

  EXPECT_EQ(1, utf8::char_length(four_bytes));

  EXPECT_EQ(12, utf8::char_length(test_string));

}