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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
//
//===----------------------------------------------------------------------===//
// <memory>
// unique_ptr
// Make sure that we can form unique_ptrs to incomplete types and perform restricted
// operations on them. This requires setting up a TU where the type is complete and
// the unique_ptr is created and destroyed, and a TU where the type is incomplete and
// we check that a restricted set of operations can be performed on the unique_ptr.
// RUN: %{cxx} %s %{flags} %{compile_flags} -c -o %t.tu1.o -DCOMPLETE
// RUN: %{cxx} %s %{flags} %{compile_flags} -c -o %t.tu2.o -DINCOMPLETE
// RUN: %{cxx} %t.tu1.o %t.tu2.o %{flags} %{link_flags} -o %t.exe
// RUN: %{exec} %t.exe
#include <memory>
#include <cassert>
struct Foo;
extern void use(std::unique_ptr<Foo>& ptr);
extern void use(std::unique_ptr<Foo[]>& ptr);
#ifdef INCOMPLETE
void use(std::unique_ptr<Foo>& ptr) {
{
Foo* x = ptr.get();
assert(x != nullptr);
}
{
Foo& ref = *ptr;
assert(&ref == ptr.get());
}
{
bool engaged = static_cast<bool>(ptr);
assert(engaged);
}
{
assert(ptr == ptr);
assert(!(ptr != ptr));
assert(!(ptr < ptr));
assert(!(ptr > ptr));
assert(ptr <= ptr);
assert(ptr >= ptr);
}
}
void use(std::unique_ptr<Foo[]>& ptr) {
{
Foo* x = ptr.get();
assert(x != nullptr);
}
{
bool engaged = static_cast<bool>(ptr);
assert(engaged);
}
{
assert(ptr == ptr);
assert(!(ptr != ptr));
assert(!(ptr < ptr));
assert(!(ptr > ptr));
assert(ptr <= ptr);
assert(ptr >= ptr);
}
}
#endif // INCOMPLETE
#ifdef COMPLETE
struct Foo {}; // complete the type
int main(int, char**) {
{
std::unique_ptr<Foo> ptr(new Foo());
use(ptr);
}
{
std::unique_ptr<Foo[]> ptr(new Foo[3]());
use(ptr);
}
return 0;
}
#endif // COMPLETE
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