ladybird/AK/Tests/TestCircularDeque.cpp
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

65 lines
1.3 KiB
C++

/*
* Copyright (c) 2020, Fei Wu <f.eiwu@yahoo.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#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)