mirror of
https://github.com/jart/cosmopolitan.git
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114 lines
2.4 KiB
C++
114 lines
2.4 KiB
C++
// -*- mode:c++;indent-tabs-mode:nil;c-basic-offset:4;coding:utf-8 -*-
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// vi: set et ft=cpp ts=4 sts=4 sw=4 fenc=utf-8 :vi
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//
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// Copyright 2024 Mozilla Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "ctl/optional.h"
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#include <new>
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#include "ctl/string.h"
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int
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main()
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{
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{
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Optional<int> x;
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if (x)
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return 1;
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if (x.has_value())
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return 2;
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}
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{
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Optional<int> x(42);
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if (!x)
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return 3;
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if (!x.has_value())
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return 4;
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if (x.value() != 42)
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return 5;
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}
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{
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Optional<String> x("hello");
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Optional<String> y(x);
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if (!y)
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return 6;
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if (!y.has_value())
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return 7;
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if (y.value() != "hello")
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return 8;
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}
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{
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Optional<String> x("world");
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Optional<String> y(std::move(x));
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if (!y)
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return 9;
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if (!y.has_value())
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return 10;
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if (y.value() != "world")
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return 11;
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}
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{
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Optional<int> x(42);
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Optional<int> y;
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y = x;
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if (!y)
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return 13;
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if (!y.has_value())
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return 14;
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if (y.value() != 42)
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return 15;
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}
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{
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Optional<String> x("hello");
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Optional<String> y;
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y = std::move(x);
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if (!y)
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return 16;
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if (!y.has_value())
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return 17;
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if (y.value() != "hello")
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return 18;
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}
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{
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Optional<int> x(42);
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x.reset();
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if (x)
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return 20;
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if (x.has_value())
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return 21;
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}
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{
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Optional<String> x;
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x.emplace("hello");
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if (!x)
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return 22;
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if (!x.has_value())
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return 23;
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if (x.value() != "hello")
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return 24;
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}
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CheckForMemoryLeaks();
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return 0;
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}
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