ladybird/AK/Tests/TestQueue.cpp
Andreas Kling fdfda6dec2 AK: Make string-to-number conversion helpers return Optional
Get rid of the weird old signature:

- int StringType::to_int(bool& ok) const

And replace it with sensible new signature:

- Optional<int> StringType::to_int() const
2020-06-12 21:28:55 +02:00

81 lines
2.5 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* 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/String.h>
#include <AK/Queue.h>
TEST_CASE(construct)
{
EXPECT(Queue<int>().is_empty());
EXPECT(Queue<int>().size() == 0);
}
TEST_CASE(populate_int)
{
Queue<int> ints;
ints.enqueue(1);
ints.enqueue(2);
ints.enqueue(3);
EXPECT_EQ(ints.size(), 3u);
EXPECT_EQ(ints.dequeue(), 1);
EXPECT_EQ(ints.size(), 2u);
EXPECT_EQ(ints.dequeue(), 2);
EXPECT_EQ(ints.size(), 1u);
EXPECT_EQ(ints.dequeue(), 3);
EXPECT_EQ(ints.size(), 0u);
}
TEST_CASE(populate_string)
{
Queue<String> strings;
strings.enqueue("ABC");
strings.enqueue("DEF");
EXPECT_EQ(strings.size(), 2u);
EXPECT_EQ(strings.dequeue(), "ABC");
EXPECT_EQ(strings.dequeue(), "DEF");
EXPECT(strings.is_empty());
}
TEST_CASE(order)
{
Queue<String> strings;
EXPECT(strings.is_empty());
for (size_t i = 0; i < 10000; ++i) {
strings.enqueue(String::number(i));
EXPECT_EQ(strings.size(), i + 1);
}
for (int i = 0; i < 10000; ++i) {
EXPECT_EQ(strings.dequeue().to_int().value(), i);
}
EXPECT(strings.is_empty());
}
TEST_MAIN(Queue)