ladybird/AK/Tests/TestCircularDeque.cpp
2020-03-06 11:22:23 +01:00

85 lines
2.6 KiB
C++

/*
* Copyright (c) 2020, Fei Wu <f.eiwu@yahoo.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/TestSuite.h>
#include <AK/CircularDeque.h>
#include <AK/StdLibExtras.h>
#include <AK/String.h>
TEST_CASE(enqueue_begin)
{
CircularDeque<int, 3> ints;
ints.enqueue_begin(0);
EXPECT_EQ(ints.size(), 1u);
EXPECT_EQ(ints.first(), 0);
ints.enqueue_begin(1);
EXPECT_EQ(ints.size(), 2u);
EXPECT_EQ(ints.first(), 1);
EXPECT_EQ(ints.last(), 0);
ints.enqueue_begin(2);
EXPECT_EQ(ints.size(), 3u);
EXPECT_EQ(ints.first(), 2);
EXPECT_EQ(ints.last(), 0);
ints.enqueue_begin(3);
EXPECT_EQ(ints.size(), 3u);
EXPECT_EQ(ints.first(), 3);
EXPECT_EQ(ints.at(1), 2);
EXPECT_EQ(ints.last(), 1);
}
TEST_CASE(enqueue_begin_being_moved_from)
{
CircularDeque<String, 2> strings;
String str{"test"};
strings.enqueue_begin(move(str));
EXPECT(str.is_null());
}
TEST_CASE(deque_end)
{
CircularDeque<int, 3> ints;
ints.enqueue(0);
ints.enqueue(1);
ints.enqueue(2);
EXPECT_EQ(ints.size(), 3u);
EXPECT_EQ(ints.dequeue_end(), 2);
EXPECT_EQ(ints.size(), 2u);
EXPECT_EQ(ints.dequeue_end(), 1);
EXPECT_EQ(ints.size(), 1u);
EXPECT_EQ(ints.dequeue_end(), 0);
EXPECT(ints.is_empty());
}
TEST_MAIN(CircularDeque)