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