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/* -*- mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Andrew Hutchings
*
* 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 <gtest/gtest.h>
#include "drizzled/global_buffer.h"
TEST(global_buffer, overflow)
{
drizzled::global_buffer_constraint<uint64_t> test_buffer(1024);
ASSERT_TRUE(test_buffer.add(512));
ASSERT_TRUE(test_buffer.add(512));
ASSERT_FALSE(test_buffer.add(1));
}
TEST(global_buffer, subtract)
{
drizzled::global_buffer_constraint<uint64_t> test_buffer(1024);
ASSERT_TRUE(test_buffer.add(1024));
ASSERT_TRUE(test_buffer.sub(512));
ASSERT_TRUE(test_buffer.add(512));
ASSERT_FALSE(test_buffer.add(1));
}
TEST(global_buffer, underflow)
{
drizzled::global_buffer_constraint<uint64_t> test_buffer(1024);
ASSERT_TRUE(test_buffer.add(10));
ASSERT_FALSE(test_buffer.sub(11));
}
TEST(global_buffer, change_max)
{
drizzled::global_buffer_constraint<uint64_t> test_buffer(1024);
test_buffer.setMaxSize(512);
ASSERT_FALSE(test_buffer.add(513));
}
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