Squashed 'externals/mp/' content from commit 29cb5588d

git-subtree-dir: externals/mp
git-subtree-split: 29cb5588da3a18ed571a0e41622900a01b9f01eb

tests/all_tests.cpp

@@ -0,0 +1,12 @@
+/* This file is part of the mp project.
+ * Copyright (c) 2020 MerryMage
+ * SPDX-License-Identifier: 0BSD
+ */
+
+#include "metavalue_tests.h"
+#include "traits_tests.h"
+#include "typelist_tests.h"
+
+int main() {
+    return 0;
+}

tests/metavalue_tests.h

@@ -0,0 +1,27 @@
+/* This file is part of the mp project.
+ * Copyright (c) 2020 MerryMage
+ * SPDX-License-Identifier: 0BSD
+ */
+
+#pragma once
+
+#include <type_traits>
+
+#include <mp/metavalue/lift_value.h>
+#include <mp/metavalue/value_cast.h>
+#include <mp/metavalue/value_equal.h>
+
+using namespace mp;
+
+// lift_value
+
+static_assert(std::is_same_v<lift_value<3>, std::integral_constant<int, 3>>);
+static_assert(std::is_same_v<lift_value<false>, std::false_type>);
+
+// value_cast
+
+static_assert(std::is_same_v<value_cast<int, std::true_type>, std::integral_constant<int, 1>>);
+
+// value_equal
+
+static_assert(std::is_same_v<value_equal<std::true_type, std::integral_constant<int, 1>>, std::true_type>);

tests/traits_tests.h

@@ -0,0 +1,42 @@
+/* This file is part of the mp project.
+ * Copyright (c) 2020 MerryMage
+ * SPDX-License-Identifier: 0BSD
+ */
+
+#pragma once
+
+#include <tuple>
+#include <type_traits>
+
+#include <mp/traits/function_info.h>
+#include <mp/traits/is_instance_of_template.h>
+
+using namespace mp;
+
+// function_info
+
+struct Bar {
+    int frob(double a) { return a; }
+};
+
+static_assert(parameter_count_v<void()> == 0);
+static_assert(parameter_count_v<void(int, int, int)> == 3);
+static_assert(std::is_same_v<get_parameter<void(*)(bool, int, double), 2>, double>);
+static_assert(std::is_same_v<equivalent_function_type<void(*)(bool, int, double)>, void(bool, int, double)>);
+static_assert(std::is_same_v<return_type<void(*)(bool, int, double)>, void>);
+static_assert(std::is_same_v<equivalent_function_type<decltype(&Bar::frob)>, int(double)>);
+static_assert(std::is_same_v<class_type<decltype(&Bar::frob)>, Bar>);
+
+// is_instance_of_template
+
+template<class, class...>
+class Foo {};
+
+template<class, class>
+class Pair {};
+
+static_assert(is_instance_of_template_v<std::tuple, std::tuple<int, bool>>);
+static_assert(!is_instance_of_template_v<std::tuple, bool>);
+static_assert(is_instance_of_template_v<Foo, Foo<bool>>);
+static_assert(is_instance_of_template_v<Pair, Pair<bool, int>>);
+static_assert(!is_instance_of_template_v<Pair, Foo<bool, int>>);

tests/typelist_tests.h

@@ -0,0 +1,102 @@
+/* This file is part of the mp project.
+ * Copyright (c) 2020 MerryMage
+ * SPDX-License-Identifier: 0BSD
+ */
+
+#pragma once
+
+#include <cstddef>
+#include <tuple>
+#include <type_traits>
+#include <utility>
+
+#include <mp/typelist/append.h>
+#include <mp/typelist/cartesian_product.h>
+#include <mp/typelist/concat.h>
+#include <mp/typelist/contains.h>
+#include <mp/typelist/get.h>
+#include <mp/typelist/head.h>
+#include <mp/typelist/length.h>
+#include <mp/typelist/lift_sequence.h>
+#include <mp/typelist/list.h>
+#include <mp/typelist/lower_to_tuple.h>
+#include <mp/typelist/prepend.h>
+#include <mp/typelist/tail.h>
+
+using namespace mp;
+
+// append
+
+static_assert(std::is_same_v<append<list<int, bool>, double>, list<int, bool, double>>);
+static_assert(std::is_same_v<append<list<>, int, int>, list<int, int>>);
+
+// cartesian_product
+
+static_assert(
+    std::is_same_v<
+        cartesian_product<list<int, bool>, list<double, float>, list<char, unsigned>>,
+        list<
+            list<int, double, char>,
+            list<int, double, unsigned>,
+            list<int, float, char>,
+            list<int, float, unsigned>,
+            list<bool, double, char>,
+            list<bool, double, unsigned>,
+            list<bool, float, char>,
+            list<bool, float, unsigned>
+        >
+    >
+);
+
+// concat
+
+static_assert(std::is_same_v<concat<list<int, bool>, list<double>>, list<int, bool, double>>);
+static_assert(std::is_same_v<concat<list<>, list<int>, list<int>>, list<int, int>>);
+
+// contains
+
+static_assert(contains_v<list<int>, int>);
+static_assert(!contains_v<list<>, int>);
+static_assert(!contains_v<list<double>, int>);
+static_assert(contains_v<list<double, int>, int>);
+
+// get
+
+static_assert(std::is_same_v<get<0, list<int, double>>, int>);
+static_assert(std::is_same_v<get<1, list<int, double>>, double>);
+
+// head
+
+static_assert(std::is_same_v<head<list<int, double>>, int>);
+static_assert(std::is_same_v<head<list<int>>, int>);
+
+// length
+
+static_assert(length_v<list<>> == 0);
+static_assert(length_v<list<int>> == 1);
+static_assert(length_v<list<int, int, int>> == 3);
+
+// lift_sequence
+
+static_assert(
+    std::is_same_v<
+        lift_sequence<std::make_index_sequence<3>>,
+        list<std::integral_constant<std::size_t, 0>, std::integral_constant<std::size_t, 1>, std::integral_constant<std::size_t, 2>>
+    >
+);
+
+// lower_to_tuple
+
+static_assert(lower_to_tuple_v<list<std::integral_constant<std::size_t, 0>, std::integral_constant<std::size_t, 1>, std::integral_constant<std::size_t, 2>>> == std::tuple<std::size_t, std::size_t, std::size_t>(0, 1, 2));
+static_assert(lower_to_tuple_v<list<std::true_type, std::false_type>> == std::make_tuple(true, false));
+
+// prepend
+
+static_assert(std::is_same_v<prepend<list<int, int>, double>, list<double, int, int>>);
+static_assert(std::is_same_v<prepend<list<>, double>, list<double>>);
+static_assert(std::is_same_v<prepend<list<int>, double, bool>, list<double, bool, int>>);
+
+// tail
+
+static_assert(std::is_same_v<tail<list<int, double>>, list<double>>);
+static_assert(std::is_same_v<tail<list<int>>, list<>>);