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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <LibTest/TestSuite.h>
#include <AK/FixedArray.h>
#include <AK/NoAllocationGuard.h>
TEST_CASE(construct)
{
EXPECT_EQ(FixedArray<int>().size(), 0u);
EXPECT_EQ(FixedArray<int>::must_create_but_fixme_should_propagate_errors(1985).size(), 1985u);
}
TEST_CASE(ints)
{
FixedArray<int> ints = FixedArray<int>::must_create_but_fixme_should_propagate_errors(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);
}
TEST_CASE(swap)
{
FixedArray<int> first = FixedArray<int>::must_create_but_fixme_should_propagate_errors(4);
FixedArray<int> second = FixedArray<int>::must_create_but_fixme_should_propagate_errors(5);
first[3] = 1;
second[3] = 2;
first.swap(second);
EXPECT_EQ(first.size(), 5u);
EXPECT_EQ(second.size(), 4u);
EXPECT_EQ(first[3], 2);
EXPECT_EQ(second[3], 1);
}
TEST_CASE(move)
{
FixedArray<int> moved_from_array = FixedArray<int>::must_create_but_fixme_should_propagate_errors(6);
FixedArray<int> moved_to_array(move(moved_from_array));
EXPECT_EQ(moved_to_array.size(), 6u);
EXPECT_EQ(moved_from_array.size(), 0u);
}
TEST_CASE(no_allocation)
{
FixedArray<int> array = FixedArray<int>::must_create_but_fixme_should_propagate_errors(5);
EXPECT_NO_CRASH("Assignments", [&] {
NoAllocationGuard guard;
array[0] = 0;
array[1] = 1;
array[2] = 2;
array[4] = array[1];
array[3] = array[0] + array[2];
return Test::Crash::Failure::DidNotCrash;
});
EXPECT_NO_CRASH("Move", [&] {
FixedArray<int> moved_from_array = FixedArray<int>::must_create_but_fixme_should_propagate_errors(6);
// We need an Optional here to ensure that the NoAllocationGuard is
// destroyed before the moved_to_array, because that would call free
Optional<FixedArray<int>> moved_to_array;
{
NoAllocationGuard guard;
moved_to_array.emplace(move(moved_from_array));
}
return Test::Crash::Failure::DidNotCrash;
});
EXPECT_NO_CRASH("Swap", [&] {
FixedArray<int> target_for_swapping;
{
NoAllocationGuard guard;
array.swap(target_for_swapping);
}
return Test::Crash::Failure::DidNotCrash;
});
}
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