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// ==========================================================================
// SeqAn - The Library for Sequence Analysis
// ==========================================================================
// Copyright (c) 2006-2026, Knut Reinert, FU Berlin
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * 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.
// * Neither the name of Knut Reinert or the FU Berlin nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// 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 KNUT REINERT OR THE FU BERLIN 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.
//
// ==========================================================================
// Author: Rene Rahn <rene.rahn@fu-berlin.de>
// ==========================================================================
// Tests for the observable pattern.
// ==========================================================================
#ifndef TESTS_JOURNALED_STRING_TREE_TEST_BASIC_OBSERVABLE_H_
#define TESTS_JOURNALED_STRING_TREE_TEST_BASIC_OBSERVABLE_H_
#include <seqan/basic.h>
#include <seqan/journaled_string_tree.h>
using namespace seqan2;
namespace test_basic_observer
{
struct Foo_
{
unsigned i = 0;
Foo_() : i(1)
{}
Foo_(unsigned num) : i(num)
{}
};
struct Bar_
{
unsigned i = 0;
Bar_() : i(2)
{}
Bar_(unsigned num) : i(num)
{}
};
inline void notify(Foo_ & f, Nothing const & /*tag*/)
{
f.i +=2;
}
inline void notify(Bar_ & b, Nothing const & /*tag*/)
{
b.i += 3;
}
}
SEQAN_DEFINE_TEST(test_basic_observable_length)
{
{ // Length 2.
ObserverList<test_basic_observer::Bar_, test_basic_observer::Foo_> subject;
SEQAN_ASSERT(length(subject) == 2u);
}
{ // Length 3.
ObserverList<test_basic_observer::Bar_, test_basic_observer::Bar_, test_basic_observer::Foo_> subject;
SEQAN_ASSERT(length(subject) == 3);
}
{ // Length 0.
ObserverList<> subject;
SEQAN_ASSERT(length(subject) == 0u);
}
}
SEQAN_DEFINE_TEST(test_basic_observable_set_observer)
{
ObserverList<test_basic_observer::Bar_, test_basic_observer::Foo_, test_basic_observer::Bar_> subject;
test_basic_observer::Bar_ bar(4);
setObserver<0>(subject, bar);
setObserver<1>(subject, test_basic_observer::Foo_(6));
setObserver<2>(subject, test_basic_observer::Bar_(8));
SEQAN_ASSERT(std::get<0>(subject).i == 4);
SEQAN_ASSERT(std::get<1>(subject).i == 6);
SEQAN_ASSERT(std::get<2>(subject).i == 8);
}
SEQAN_DEFINE_TEST(test_basic_observable_notify)
{
ObserverList<test_basic_observer::Bar_, test_basic_observer::Foo_, test_basic_observer::Bar_> subject;
test_basic_observer::Bar_ bar(4);
setObserver<0>(subject, bar);
setObserver<1>(subject, test_basic_observer::Foo_(6));
setObserver<2>(subject, test_basic_observer::Bar_(8));
notify(subject, Nothing());
SEQAN_ASSERT(std::get<0>(subject).i == 7);
SEQAN_ASSERT(std::get<1>(subject).i == 8);
SEQAN_ASSERT(std::get<2>(subject).i == 11);
}
SEQAN_DEFINE_TEST(test_basic_observable_make_observer_list)
{
auto list = makeObserverList(test_basic_observer::Bar_(4), test_basic_observer::Foo_(6), test_basic_observer::Bar_(5));
SEQAN_ASSERT(std::get<0>(list).i == 4);
SEQAN_ASSERT(std::get<1>(list).i == 6);
SEQAN_ASSERT(std::get<2>(list).i == 5);
}
#endif // TESTS_JOURNALED_STRING_TREE_TEST_BASIC_OBSERVABLE_H_
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