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be0dc2fc9a
Issue #300 -- NOTE: construction from no_default currently wont compile so is commented out (L:113) -- NOTE: dll import/export of template classes is probably unnecessary (the header is already required) and doesn't work in the general case (explicit instantiations are required for at least MSVC)
304 lines
10 KiB
C++
304 lines
10 KiB
C++
// Copyright (c) 2014-2018 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, WRISING 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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#pragma once
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#include <xlnt/xlnt.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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}
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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; |