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133 lines
5.1 KiB
C++
133 lines
5.1 KiB
C++
// sol3
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// The MIT License (MIT)
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// Copyright (c) 2013-2019 Rapptz, ThePhD and contributors
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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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, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "sol_test.hpp"
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#include <catch.hpp>
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#include <iostream>
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TEST_CASE("tables/proxy override_value", "allow override_value by way of key") {
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sol::state lua;
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lua.open_libraries(sol::lib::base, sol::lib::io);
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sol::optional<int> not_there = lua["a"]["b"]["c"];
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REQUIRE_FALSE(static_cast<bool>(not_there));
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lua["a"].force()["b"].force()["c"] = 357;
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sol::optional<int> totally_there = lua["a"]["b"]["c"];
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REQUIRE(static_cast<bool>(totally_there));
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REQUIRE(*totally_there == 357);
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}
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TEST_CASE("tables/insertion override", "allow override all non-table values plus final value") {
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SECTION("traverse") {
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sol::state lua;
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sol::optional<int> not_there = lua["a"]["b"]["c"];
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REQUIRE_FALSE(static_cast<bool>(not_there));
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lua.traverse_set(sol::override_value, "a", "b", "c", 357);
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sol::optional<int> totally_there = lua["a"]["b"]["c"];
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REQUIRE(static_cast<bool>(totally_there));
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REQUIRE(*totally_there == 357);
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lua.traverse_set(sol::override_value, "a", "b", 500);
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sol::optional<int> b_totally_there = lua["a"]["b"];
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sol::optional<int> totally_not_there = lua["a"]["b"]["c"];
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REQUIRE(static_cast<bool>(b_totally_there));
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REQUIRE(*b_totally_there == 500);
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REQUIRE_FALSE(static_cast<bool>(totally_not_there));
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}
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SECTION("proxy") {
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sol::state lua;
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sol::optional<int> not_there = lua["a"]["b"]["c"];
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REQUIRE_FALSE(static_cast<bool>(not_there));
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lua[sol::override_value]["a"]["b"]["c"] = 357;
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sol::optional<int> totally_there = lua["a"]["b"]["c"];
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REQUIRE(static_cast<bool>(totally_there));
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REQUIRE(*totally_there == 357);
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lua[sol::override_value]["a"]["b"] = 500;
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sol::optional<int> b_totally_there = lua["a"]["b"];
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sol::optional<int> totally_not_there = lua["a"]["b"]["c"];
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REQUIRE(static_cast<bool>(b_totally_there));
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REQUIRE(*b_totally_there == 500);
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REQUIRE_FALSE(static_cast<bool>(totally_not_there));
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}
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SECTION("complex proxy") {
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sol::state lua;
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sol::optional<int> not_there = lua["a"]["b"]["c"];
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REQUIRE_FALSE(static_cast<bool>(not_there));
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int definitely_there = (lua[sol::override_value]["a"]["b"]["c"] = 357);
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sol::optional<int> totally_there = lua["a"]["b"]["c"];
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REQUIRE(static_cast<bool>(totally_there));
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REQUIRE(*totally_there == definitely_there);
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REQUIRE(*totally_there == 357);
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REQUIRE(definitely_there == 357);
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}
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}
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TEST_CASE("tables/insertion update_if_empty", "allow updating a value only if it's missing") {
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SECTION("traverse") {
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sol::state lua;
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sol::optional<int> not_there = lua["a"]["b"]["c"];
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REQUIRE_FALSE(static_cast<bool>(not_there));
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lua.traverse_set(sol::update_if_empty, "a", "b", "c", 357);
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sol::optional<int> totally_there = lua["a"]["b"]["c"];
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REQUIRE(static_cast<bool>(totally_there));
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REQUIRE(*totally_there == 357);
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}
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SECTION("proxy") {
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sol::state lua;
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sol::optional<int> not_there = lua["a"]["b"]["c"];
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REQUIRE_FALSE(static_cast<bool>(not_there));
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lua[sol::update_if_empty]["a"]["b"]["c"] = 357;
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sol::optional<int> totally_there = lua["a"]["b"]["c"];
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REQUIRE(static_cast<bool>(totally_there));
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REQUIRE(*totally_there == 357);
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lua[sol::update_if_empty]["a"]["b"]["c"] = 500;
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sol::optional<int> totally_there_still = lua["a"]["b"]["c"];
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REQUIRE(static_cast<bool>(totally_there_still));
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REQUIRE(*totally_there_still == 357);
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}
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SECTION("proxy invoker") {
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sol::state lua;
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sol::optional<int> not_there = lua["a"]["b"]["c"];
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REQUIRE_FALSE(static_cast<bool>(not_there));
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lua[sol::update_if_empty]["a"]["b"]["c"] = sol::push_invoke([]() { return 357; });
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sol::optional<int> totally_there = lua["a"]["b"]["c"];
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REQUIRE(static_cast<bool>(totally_there));
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REQUIRE(*totally_there == 357);
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lua[sol::update_if_empty]["a"]["b"]["c"] = sol::push_invoke([]() { return 1000; });
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sol::optional<int> totally_there_still = lua["a"]["b"]["c"];
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REQUIRE(static_cast<bool>(totally_there_still));
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REQUIRE(*totally_there_still == 357);
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}
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}
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