Files
libcxx/test/std/utilities/any/any.class/any.cons/copy.pass.cpp
Louis Dionne 4806bce5a8 [libc++] Fix XFAILs on macOS when exceptions are disabled
Some tests are marked as failing on platforms where the dylib does not
provide the required exception classes. However, when testing with
exceptions disabled, those tests shouldn't be marked as failing.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@353210 91177308-0d34-0410-b5e6-96231b3b80d8
2019-02-05 20:11:58 +00:00

104 lines
2.5 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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++98, c++03, c++11, c++14
// XFAIL: dylib-has-no-bad_any_cast && !libcpp-no-exceptions
// <any>
// any(any const &);
#include <any>
#include <cassert>
#include "any_helpers.h"
#include "count_new.hpp"
#include "test_macros.h"
using std::any;
using std::any_cast;
template <class Type>
void test_copy_throws() {
#if !defined(TEST_HAS_NO_EXCEPTIONS)
assert(Type::count == 0);
{
any const a((Type(42)));
assert(Type::count == 1);
try {
any const a2(a);
assert(false);
} catch (my_any_exception const &) {
// do nothing
} catch (...) {
assert(false);
}
assert(Type::count == 1);
assertContains<Type>(a, 42);
}
assert(Type::count == 0);
#endif
}
void test_copy_empty() {
DisableAllocationGuard g; ((void)g); // No allocations should occur.
any a1;
any a2(a1);
assertEmpty(a1);
assertEmpty(a2);
}
template <class Type>
void test_copy()
{
// Copying small types should not perform any allocations.
DisableAllocationGuard g(isSmallType<Type>()); ((void)g);
assert(Type::count == 0);
Type::reset();
{
any a((Type(42)));
assert(Type::count == 1);
assert(Type::copied == 0);
any a2(a);
assert(Type::copied == 1);
assert(Type::count == 2);
assertContains<Type>(a, 42);
assertContains<Type>(a2, 42);
// Modify a and check that a2 is unchanged
modifyValue<Type>(a, -1);
assertContains<Type>(a, -1);
assertContains<Type>(a2, 42);
// modify a2 and check that a is unchanged
modifyValue<Type>(a2, 999);
assertContains<Type>(a, -1);
assertContains<Type>(a2, 999);
// clear a and check that a2 is unchanged
a.reset();
assertEmpty(a);
assertContains<Type>(a2, 999);
}
assert(Type::count == 0);
}
int main(int, char**) {
test_copy<small>();
test_copy<large>();
test_copy_empty();
test_copy_throws<small_throws_on_copy>();
test_copy_throws<large_throws_on_copy>();
return 0;
}