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594bbbf020
Except for tangential accessors such as data(), there is no more feature of FixedArray that is untested after this large expansion of its test cases. These tests, with the help of the new NoAllocationGuard, also test the allocation contract that was fixated in the last commit. Hopefully this builds confidence in future Kernel uses of FixedArray as well as its establishment in the real-time parts of the audio subsystem. I'm excited :^)
82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibTest/TestCase.h>
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#include <LibTest/TestSuite.h>
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#include <AK/FixedArray.h>
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#include <AK/NoAllocationGuard.h>
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TEST_CASE(construct)
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{
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EXPECT_EQ(FixedArray<int>().size(), 0u);
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EXPECT_EQ(FixedArray<int>::must_create_but_fixme_should_propagate_errors(1985).size(), 1985u);
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}
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TEST_CASE(ints)
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{
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FixedArray<int> ints = FixedArray<int>::must_create_but_fixme_should_propagate_errors(3);
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ints[0] = 0;
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ints[1] = 1;
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ints[2] = 2;
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EXPECT_EQ(ints[0], 0);
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EXPECT_EQ(ints[1], 1);
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EXPECT_EQ(ints[2], 2);
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}
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TEST_CASE(swap)
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{
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FixedArray<int> first = FixedArray<int>::must_create_but_fixme_should_propagate_errors(4);
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FixedArray<int> second = FixedArray<int>::must_create_but_fixme_should_propagate_errors(5);
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first[3] = 1;
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second[3] = 2;
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first.swap(second);
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EXPECT_EQ(first.size(), 5u);
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EXPECT_EQ(second.size(), 4u);
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EXPECT_EQ(first[3], 2);
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EXPECT_EQ(second[3], 1);
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}
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TEST_CASE(move)
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{
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FixedArray<int> moved_from_array = FixedArray<int>::must_create_but_fixme_should_propagate_errors(6);
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FixedArray<int> moved_to_array(move(moved_from_array));
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EXPECT_EQ(moved_to_array.size(), 6u);
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EXPECT_EQ(moved_from_array.size(), 0u);
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}
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TEST_CASE(no_allocation)
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{
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FixedArray<int> array = FixedArray<int>::must_create_but_fixme_should_propagate_errors(5);
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EXPECT_NO_CRASH("Assigments", [&] {
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NoAllocationGuard guard;
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array[0] = 0;
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array[1] = 1;
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array[2] = 2;
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array[4] = array[1];
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array[3] = array[0] + array[2];
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return Test::Crash::Failure::DidNotCrash;
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});
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EXPECT_NO_CRASH("Move", [&] {
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FixedArray<int> moved_from_array = FixedArray<int>::must_create_but_fixme_should_propagate_errors(6);
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NoAllocationGuard guard;
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FixedArray<int> moved_to_array(move(moved_from_array));
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// We need to ensure that this destructor runs before the FixedArray destructor.
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guard.~NoAllocationGuard();
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return Test::Crash::Failure::DidNotCrash;
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});
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EXPECT_NO_CRASH("Swap", [&] {
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FixedArray<int> target_for_swapping;
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{
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NoAllocationGuard guard;
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array.swap(target_for_swapping);
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}
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return Test::Crash::Failure::DidNotCrash;
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});
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}
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