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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14
// Throwing bad_any_cast is supported starting in macosx10.13
// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12}} && !no-exceptions
// <any>
// template <class T, class ...Args> any make_any(Args&&...);
// template <class T, class U, class ...Args>
// any make_any(initializer_list<U>, Args&&...);
#include <any>
#include <cassert>
#include "any_helpers.h"
#include "count_new.h"
#include "test_macros.h"
using std::any;
using std::any_cast;
template <class Type>
void test_make_any_type() {
// constructing from a small type should perform no allocations.
DisableAllocationGuard g(isSmallType<Type>()); ((void)g);
assert(Type::count == 0);
Type::reset();
{
any a = std::make_any<Type>();
assert(Type::count == 1);
assert(Type::copied == 0);
assert(Type::moved == 0);
assertContains<Type>(a, 0);
}
assert(Type::count == 0);
Type::reset();
{
any a = std::make_any<Type>(101);
assert(Type::count == 1);
assert(Type::copied == 0);
assert(Type::moved == 0);
assertContains<Type>(a, 101);
}
assert(Type::count == 0);
Type::reset();
{
any a = std::make_any<Type>(-1, 42, -1);
assert(Type::count == 1);
assert(Type::copied == 0);
assert(Type::moved == 0);
assertContains<Type>(a, 42);
}
assert(Type::count == 0);
Type::reset();
}
template <class Type>
void test_make_any_type_tracked() {
// constructing from a small type should perform no allocations.
DisableAllocationGuard g(isSmallType<Type>()); ((void)g);
{
any a = std::make_any<Type>();
assertArgsMatch<Type>(a);
}
{
any a = std::make_any<Type>(-1, 42, -1);
assertArgsMatch<Type, int, int, int>(a);
}
// initializer_list constructor tests
{
any a = std::make_any<Type>({-1, 42, -1});
assertArgsMatch<Type, std::initializer_list<int>>(a);
}
{
int x = 42;
any a = std::make_any<Type>({-1, 42, -1}, x);
assertArgsMatch<Type, std::initializer_list<int>, int&>(a);
}
}
#ifndef TEST_HAS_NO_EXCEPTIONS
struct SmallThrows {
SmallThrows(int) { throw 42; }
SmallThrows(std::initializer_list<int>, int) { throw 42; }
};
static_assert(IsSmallObject<SmallThrows>::value, "");
struct LargeThrows {
LargeThrows(int) { throw 42; }
LargeThrows(std::initializer_list<int>, int) { throw 42; }
int data[sizeof(std::any)];
};
static_assert(!IsSmallObject<LargeThrows>::value, "");
template <class Type>
void test_make_any_throws()
{
{
try {
TEST_IGNORE_NODISCARD std::make_any<Type>(101);
assert(false);
} catch (int const&) {
}
}
{
try {
TEST_IGNORE_NODISCARD std::make_any<Type>({1, 2, 3}, 101);
assert(false);
} catch (int const&) {
}
}
}
#endif
int main(int, char**) {
test_make_any_type<small>();
test_make_any_type<large>();
test_make_any_type<small_throws_on_copy>();
test_make_any_type<large_throws_on_copy>();
test_make_any_type<throws_on_move>();
test_make_any_type_tracked<small_tracked_t>();
test_make_any_type_tracked<large_tracked_t>();
#ifndef TEST_HAS_NO_EXCEPTIONS
test_make_any_throws<SmallThrows>();
test_make_any_throws<LargeThrows>();
#endif
return 0;
}
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