Subversion Repositories s80186

// Copyright Jamie Iles, 2017

//

// This file is part of s80x86.

//

// s80x86 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 3 of the License, or

// (at your option) any later version.

//

// s80x86 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 s80x86.  If not, see <http://www.gnu.org/licenses/>.

#include <gtest/gtest.h>

#include "Fifo.h"

TEST(Fifo, empty_fifo_not_full)

{

    Fifo<int> f(3);

    ASSERT_FALSE(f.is_full());

}

TEST(Fifo, push_fills)

{

    Fifo<int> f(3);

    ASSERT_FALSE(f.is_full());

    for (int i = 0; i < 3; ++i)

        f.push(i);

    ASSERT_TRUE(f.is_full());

}

TEST(Fifo, overflow_throws)

{

    Fifo<int> f(1);

    f.push(1);

    ASSERT_THROW(f.push(2), std::overflow_error);

}

TEST(Fifo, underflow_throws)

{

    Fifo<int> f(1);

    ASSERT_THROW(f.pop(), std::underflow_error);

}

TEST(Fifo, push_pop_in_order)

{

    Fifo<int> f(3);

    for (int i = 0; i < 3; ++i)

        f.push(i);

    for (int i = 0; i < 3; ++i)

        ASSERT_EQ(i, f.pop());

}