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AK: Bring back FixedArray<T>

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Let's bring this class back, but without the confusing resize() API.
A FixedArray<T> is simply a fixed-size array of T.

The size is provided at run-time, unlike Array<T> where the size is
provided at compile-time.
This commit is contained in:
Andreas Kling 2021-07-11 17:16:13 +02:00
parent 846685fca2
commit 88c8451973
4 changed files with 145 additions and 0 deletions
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29
Tests/AK/TestFixedArray.cpp Normal file
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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestSuite.h>
#include <AK/FixedArray.h>
#include <AK/String.h>
TEST_CASE(construct)
{
EXPECT(FixedArray<int>().size() == 0);
}
TEST_CASE(ints)
{
FixedArray<int> ints(3);
ints[0] = 0;
ints[1] = 1;
ints[2] = 2;
EXPECT_EQ(ints[0], 0);
EXPECT_EQ(ints[1], 1);
EXPECT_EQ(ints[2], 2);
ints.clear();
EXPECT_EQ(ints.size(), 0u);
}