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54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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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 <AK/Array.h>
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#include <AK/Find.h>
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TEST_CASE(should_return_end_if_not_in_container)
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{
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constexpr Array<int, 10> a {};
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static_assert(a.end() == AK::find(a.begin(), a.end(), 1));
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EXPECT(a.end() == AK::find(a.begin(), a.end(), 1));
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}
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TEST_CASE(should_return_iterator_to_first_matching_value_in_container)
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{
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static constexpr Array<int, 10> a { 1, 2, 3, 4, 0, 6, 7, 8, 0, 0 };
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constexpr auto expected = a.begin() + 4;
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static_assert(expected == AK::find(a.begin(), a.end(), 0));
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EXPECT(expected == AK::find(a.begin(), a.end(), 0));
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}
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TEST_CASE(should_return_iterator_to_first_predicate_matching_value_in_container)
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{
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static constexpr Array<int, 10> a { 1, 2, 3, 4, 0, 6, 7, 8, 0, 0 };
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constexpr auto expected = a.begin() + 4;
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static_assert(expected == AK::find_if(a.begin(), a.end(), [](auto v) { return v == 0; }));
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EXPECT(expected == AK::find_if(a.begin(), a.end(), [](auto v) { return v == 0; }));
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auto find_me = 8;
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EXPECT(find_me == *AK::find_if(a.begin(), a.end(), [&](auto v) { return v == find_me; }));
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}
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TEST_CASE(should_return_index_to_first_predicate_matching_value_in_container)
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{
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static constexpr Array<int, 10> a { 1, 2, 3, 4, 0, 6, 7, 8, 0, 0 };
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static_assert(4 == AK::find_index(a.begin(), a.end(), 0));
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EXPECT(4 == AK::find_index(a.begin(), a.end(), 0));
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}
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