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308 lines
10 KiB
C++
308 lines
10 KiB
C++
// Copyright (c) 2014-2021 Thomas Fussell
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE
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//
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// @license: http://www.opensource.org/licenses/mit-license.php
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// @author: see AUTHORS file
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#include <xlnt/xlnt.hpp>
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#include <xlnt/utils/optional.hpp>
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#include <helpers/test_suite.hpp>
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// test helpers
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namespace {
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// increments count when constructed, decrements when destructed
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// use to ensure correct ctor/dtor pairing
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struct alive_count
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{
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alive_count()
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{
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++count;
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}
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alive_count(const alive_count &)
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{
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++count;
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}
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alive_count(alive_count &&)
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{
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++count;
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}
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~alive_count()
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{
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--count;
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}
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alive_count &operator=(const alive_count &) = default;
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alive_count &operator=(alive_count &&) = default;
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static int count;
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};
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int alive_count::count = 0;
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// implicitly convertible from int
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struct convertible
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{
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// implicit construction from int
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convertible(int i)
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: val(i)
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{
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}
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int val;
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};
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// default ctor deleted
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struct no_default
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{
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no_default() = delete;
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int i;
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};
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} // namespace
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class optional_test_suite : public test_suite
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{
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public:
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optional_test_suite()
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: test_suite()
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{
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register_test(test_ctor);
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register_test(test_copy_ctor);
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register_test(test_move_ctor);
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register_test(test_copy_assign);
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register_test(test_move_assign);
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register_test(test_set_and_get);
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register_test(test_equality);
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register_test(test_const);
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}
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void test_ctor()
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{
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// default
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xlnt::optional<int> opt1;
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xlnt_assert(!opt1.is_set());
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// value
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const int test_val = 3;
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xlnt::optional<int> opt2(test_val);
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xlnt_assert(opt2.is_set());
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xlnt_assert_equals(opt2.get(), test_val);
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// converting
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xlnt::optional<convertible> opt3(test_val);
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xlnt_assert(opt3.is_set());
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xlnt_assert_equals(opt3.get().val, test_val);
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// no default ctor
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xlnt::optional<no_default> no_def_opt;
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}
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void test_copy_ctor()
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{
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{ // copy behaviour
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xlnt::optional<int> opt1;
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xlnt::optional<int> opt2(opt1);
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xlnt_assert_equals(opt1, opt2);
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const int test_val = 123;
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xlnt::optional<int> opt3(test_val);
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xlnt::optional<int> opt4(opt3);
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xlnt_assert_equals(opt3, opt4);
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}
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{ // lifetime checks
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xlnt::optional<alive_count> opt1(alive_count{});
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xlnt_assert_equals(1, alive_count::count);
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{
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xlnt::optional<alive_count> opt2(opt1);
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xlnt_assert_equals(2, alive_count::count);
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}
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xlnt_assert_equals(1, alive_count::count);
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}
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xlnt_assert_equals(0, alive_count::count); // dtor test
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}
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void test_move_ctor()
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{
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{ // move behaviour
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xlnt::optional<int> opt1;
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xlnt::optional<int> opt2(std::move(opt1));
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xlnt_assert_equals(opt2, xlnt::optional<int>{}); // can't test against opt1 so use a temporary
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const int test_val = 123;
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xlnt::optional<int> opt3(test_val);
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xlnt::optional<int> opt4(std::move(opt3));
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xlnt_assert(opt4.is_set()); // moved to optional contains the value
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xlnt_assert_equals(opt4.get(), test_val);
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}
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{ // lifetime checks
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xlnt::optional<alive_count> opt1(alive_count{});
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xlnt_assert_equals(1, alive_count::count);
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{
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xlnt::optional<alive_count> opt2(std::move(opt1));
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xlnt_assert_equals(1, alive_count::count); // opt1 is in a no-value state
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}
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xlnt_assert_equals(0, alive_count::count);
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}
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xlnt_assert_equals(0, alive_count::count); // dtor test
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}
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void test_copy_assign()
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{
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{ // copy assign behaviour
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xlnt::optional<int> opt1;
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xlnt::optional<int> opt_assign1; // to actually test assignment, the value needs to be already created. using '=' is not enough
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opt_assign1 = opt1;
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xlnt_assert_equals(opt1, opt_assign1);
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const int test_val = 123;
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xlnt::optional<int> opt2(test_val);
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xlnt::optional<int> opt_assign2;
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opt_assign2 = opt2;
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xlnt_assert_equals(opt2, opt_assign2);
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}
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{ // lifetime checks
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xlnt::optional<alive_count> opt1(alive_count{});
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xlnt_assert_equals(1, alive_count::count);
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{
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xlnt::optional<alive_count> opt_assign1;
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opt_assign1 = opt1;
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xlnt_assert_equals(2, alive_count::count);
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}
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xlnt_assert_equals(1, alive_count::count);
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}
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xlnt_assert_equals(0, alive_count::count); // dtor test
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}
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void test_move_assign()
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{
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{ // copy assign behaviour
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xlnt::optional<int> opt1;
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xlnt::optional<int> opt_assign1; // to actually test assignment, the value needs to be already created. using '=' is not enough
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opt_assign1 = std::move(opt1);
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xlnt_assert_equals(opt_assign1, xlnt::optional<int>{}); // can't test against opt1 so use a temporary
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const int test_val = 123;
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xlnt::optional<int> opt2(test_val);
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xlnt::optional<int> opt_assign2;
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opt_assign2 = std::move(opt2);
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xlnt_assert(opt_assign2.is_set()); // moved to optional contains the value
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xlnt_assert_equals(opt_assign2.get(), test_val);
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}
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{ // lifetime checks
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xlnt::optional<alive_count> opt1(alive_count{});
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xlnt_assert_equals(1, alive_count::count);
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{
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xlnt::optional<alive_count> opt_assign1;
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opt_assign1 = std::move(opt1);
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xlnt_assert_equals(1, alive_count::count); // opt1 is in a no-value state
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}
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xlnt_assert_equals(0, alive_count::count);
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}
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xlnt_assert_equals(0, alive_count::count); // dtor test
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}
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void test_set_and_get()
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{
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{
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xlnt::optional<int> test_opt;
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xlnt_assert(!test_opt.is_set());
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xlnt_assert_throws(test_opt.get(), xlnt::invalid_attribute);
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// set
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const int test_val1 = 321;
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test_opt.set(test_val1);
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xlnt_assert(test_opt.is_set());
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xlnt_assert_equals(test_opt.get(), test_val1);
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// set again
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const int test_val2 = 123;
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test_opt.set(test_val2);
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xlnt_assert(test_opt.is_set());
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xlnt_assert_equals(test_opt.get(), test_val2);
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// clear
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test_opt.clear();
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xlnt_assert(!test_opt.is_set());
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xlnt_assert_throws(test_opt.get(), xlnt::invalid_attribute);
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// set again
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const int test_val3 = 3;
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test_opt.set(test_val3);
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xlnt_assert(test_opt.is_set());
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xlnt_assert_equals(test_opt.get(), test_val3);
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// operator= set
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xlnt::optional<int> test_opt2;
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test_opt2 = test_val1;
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xlnt_assert_equals(test_opt2.get(), test_val1);
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}
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{ // lifetime checks
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xlnt::optional<alive_count> test_opt;
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xlnt_assert_equals(0, alive_count::count);
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test_opt.set(alive_count());
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xlnt_assert_equals(1, alive_count::count);
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test_opt.set(alive_count()); // reassignment doesn't somehow skip the dtor
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xlnt_assert_equals(1, alive_count::count);
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test_opt.clear();
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xlnt_assert_equals(0, alive_count::count);
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}
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}
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void test_equality()
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{
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xlnt::optional<int> test_opt1;
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xlnt::optional<int> test_opt2;
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// no value opts compare equal
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xlnt_assert(test_opt1 == test_opt2);
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xlnt_assert(!(test_opt1 != test_opt2));
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xlnt_assert(test_opt2 == test_opt1);
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xlnt_assert(!(test_opt2 != test_opt1));
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// value compares false with no value
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const int test_val = 1;
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test_opt1.set(test_val);
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xlnt_assert(test_opt1 != test_opt2);
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xlnt_assert(!(test_opt1 == test_opt2));
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xlnt_assert(test_opt2 != test_opt1);
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xlnt_assert(!(test_opt2 == test_opt1));
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// value compares false with a different value
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const int test_val2 = 2;
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test_opt2.set(test_val2);
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xlnt_assert(test_opt1 != test_opt2);
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xlnt_assert(!(test_opt1 == test_opt2));
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xlnt_assert(test_opt2 != test_opt1);
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xlnt_assert(!(test_opt2 == test_opt1));
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// value compares equal with same value
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test_opt2.set(test_val);
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xlnt_assert(test_opt1 == test_opt2);
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xlnt_assert(!(test_opt1 != test_opt2));
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xlnt_assert(test_opt2 == test_opt1);
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xlnt_assert(!(test_opt2 != test_opt1));
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}
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void test_const()
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{
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// functions on a const optional
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const int test_val = 1;
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const xlnt::optional<int> opt(test_val);
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xlnt_assert(opt.is_set());
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xlnt_assert(opt.get() == test_val);
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xlnt::optional<int> opt2(test_val);
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xlnt_assert(opt == opt2);
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xlnt_assert(opt2 == opt);
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xlnt_assert(!(opt != opt2));
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xlnt_assert(!(opt2 != opt));
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}
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};
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static optional_test_suite x;
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