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/*
* libfud
* Copyright 2024 Dominick Allen
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fud_option.hpp"
#include "gtest/gtest.h"
namespace fud {
TEST(OptionTest, OptionCreation)
{
static_assert(sizeof(std::reference_wrapper<int>) == 8);
int value = 42;
Option<int> maybeValue{};
ASSERT_FALSE(maybeValue.hasValue());
maybeValue = value;
ASSERT_TRUE(maybeValue.hasValue());
}
TEST(OptionTest, OptionRef)
{
int value = 42;
Option<int&> optionalValueRef{value};
ASSERT_TRUE(optionalValueRef.hasValue());
ASSERT_EQ(optionalValueRef.value(), 42);
optionalValueRef.value() = 7;
ASSERT_EQ(value, 7);
value = 42;
int otherValue = 13;
optionalValueRef = otherValue;
ASSERT_TRUE(optionalValueRef.hasValue());
ASSERT_EQ(optionalValueRef.value(), otherValue);
optionalValueRef.value() = 7;
ASSERT_EQ(optionalValueRef.value(), otherValue);
ASSERT_EQ(otherValue, 7);
ASSERT_EQ(value, 42);
}
} // namespace fud
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