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69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/TestSuite.h>
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#include <AK/Optional.h>
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#include <AK/String.h>
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TEST_CASE(basic_optional)
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{
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Optional<int> x;
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EXPECT_EQ(x.has_value(), false);
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x = 3;
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EXPECT_EQ(x.has_value(), true);
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EXPECT_EQ(x.value(), 3);
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}
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TEST_CASE(move_optional)
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{
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Optional<int> x;
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EXPECT_EQ(x.has_value(), false);
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x = 3;
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EXPECT_EQ(x.has_value(), true);
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EXPECT_EQ(x.value(), 3);
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Optional<int> y;
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y = move(x);
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EXPECT_EQ(y.has_value(), true);
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EXPECT_EQ(y.value(), 3);
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EXPECT_EQ(x.has_value(), false);
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}
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TEST_CASE(optional_leak_1)
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{
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struct Structure {
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Optional<String> str;
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};
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// This used to leak, it does not anymore.
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Vector<Structure> vec;
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vec.append({ "foo" });
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EXPECT_EQ(vec[0].str.has_value(), true);
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EXPECT_EQ(vec[0].str.value(), "foo");
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}
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TEST_MAIN(Optional)
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