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5f7d008791
Preparation for using Error.h from Vector.h. This required moving some things out of line.
66 lines
2.1 KiB
C++
66 lines
2.1 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/AnyOf.h>
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#include <AK/Array.h>
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#include <AK/Vector.h>
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TEST_CASE(should_determine_if_predicate_applies_to_any_element_in_container)
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{
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constexpr Array<int, 10> a { 1 };
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static_assert(any_of(a.begin(), a.end(), [](auto elem) { return elem == 0; }));
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static_assert(any_of(a.begin(), a.end(), [](auto elem) { return elem == 1; }));
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static_assert(!any_of(a.begin(), a.end(), [](auto elem) { return elem == 2; }));
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EXPECT(any_of(a.begin(), a.end(), [](auto elem) { return elem == 0; }));
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EXPECT(any_of(a.begin(), a.end(), [](auto elem) { return elem == 1; }));
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EXPECT(!any_of(a.begin(), a.end(), [](auto elem) { return elem == 2; }));
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}
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TEST_CASE(container_form)
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{
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constexpr Array a { 10, 20, 30 };
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static_assert(any_of(a, [](auto elem) { return elem == 10; }));
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static_assert(any_of(a, [](auto elem) { return elem == 20; }));
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static_assert(!any_of(a, [](auto elem) { return elem == 40; }));
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EXPECT(any_of(a, [](auto elem) { return elem == 10; }));
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EXPECT(any_of(a, [](auto elem) { return elem == 20; }));
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EXPECT(!any_of(a, [](auto elem) { return elem == 40; }));
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Vector b { 10, 20, 30 };
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EXPECT(any_of(b, [](auto elem) { return elem > 10; }));
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EXPECT(!any_of(b, [](auto elem) { return elem > 40; }));
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struct ArbitraryIterable {
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struct ArbitraryIterator {
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ArbitraryIterator(int v)
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: value(v)
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{
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}
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bool operator==(ArbitraryIterator const&) const = default;
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int operator*() const { return value; }
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ArbitraryIterator& operator++()
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{
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++value;
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return *this;
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}
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int value;
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};
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ArbitraryIterator begin() const { return 0; }
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ArbitraryIterator end() const { return 20; }
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};
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ArbitraryIterable c;
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EXPECT(any_of(c, [](auto elem) { return elem < 20; }));
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EXPECT(!any_of(c, [](auto elem) { return elem > 31; }));
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}
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