[libcxx] Add <experimental/any> v2.
Summary: This patch adds the second revision of <experimental/any>. I've been working from the LFTS draft found at this link. https://rawgit.com/cplusplus/fundamentals-ts/v1/fundamentals-ts.html#any Reviewers: danalbert, jroelofs, K-ballo, mclow.lists Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D6762 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@243728 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
197
test/std/experimental/any/any.class/any.assign/copy.pass.cpp
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197
test/std/experimental/any/any.class/any.assign/copy.pass.cpp
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11
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// <experimental/any>
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// any& operator=(any const &);
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// Test copy assignment
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#include <experimental/any>
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#include <cassert>
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#include "any_helpers.h"
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#include "count_new.hpp"
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#include "test_macros.h"
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using std::experimental::any;
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using std::experimental::any_cast;
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template <class LHS, class RHS>
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void test_copy_assign() {
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assert(LHS::count == 0);
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assert(RHS::count == 0);
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LHS::reset();
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RHS::reset();
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{
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any lhs(LHS(1));
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any const rhs(RHS(2));
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assert(LHS::count == 1);
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assert(RHS::count == 1);
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assert(RHS::copied == 0);
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lhs = rhs;
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assert(RHS::copied == 1);
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assert(LHS::count == 0);
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assert(RHS::count == 2);
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assertContains<RHS>(lhs, 2);
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assertContains<RHS>(rhs, 2);
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}
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assert(LHS::count == 0);
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assert(RHS::count == 0);
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}
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template <class LHS>
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void test_copy_assign_empty() {
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assert(LHS::count == 0);
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LHS::reset();
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{
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any lhs;
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any const rhs(LHS(42));
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assert(LHS::count == 1);
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assert(LHS::copied == 0);
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lhs = rhs;
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assert(LHS::copied == 1);
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assert(LHS::count == 2);
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assertContains<LHS>(lhs, 42);
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assertContains<LHS>(rhs, 42);
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}
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assert(LHS::count == 0);
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LHS::reset();
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{
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any lhs(LHS(1));
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any const rhs;
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assert(LHS::count == 1);
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assert(LHS::copied == 0);
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lhs = rhs;
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assert(LHS::copied == 0);
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assert(LHS::count == 0);
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assertEmpty<LHS>(lhs);
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assertEmpty(rhs);
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}
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assert(LHS::count == 0);
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}
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void test_copy_assign_self() {
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// empty
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{
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any a;
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a = a;
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assertEmpty(a);
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assert(globalMemCounter.checkOutstandingNewEq(0));
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}
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assert(globalMemCounter.checkOutstandingNewEq(0));
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// small
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{
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any a((small(1)));
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assert(small::count == 1);
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a = a;
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assert(small::count == 1);
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assertContains<small>(a, 1);
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assert(globalMemCounter.checkOutstandingNewEq(0));
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}
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assert(small::count == 0);
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assert(globalMemCounter.checkOutstandingNewEq(0));
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// large
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{
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any a(large(1));
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assert(large::count == 1);
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a = a;
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assert(large::count == 1);
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assertContains<large>(a, 1);
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assert(globalMemCounter.checkOutstandingNewEq(1));
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}
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assert(large::count == 0);
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assert(globalMemCounter.checkOutstandingNewEq(0));
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}
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template <class Tp>
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void test_copy_assign_throws()
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{
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#if !defined(TEST_HAS_NO_EXCEPTIONS)
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auto try_throw =
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[](any& lhs, any const& rhs) {
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try {
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lhs = rhs;
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assert(false);
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} catch (my_any_exception const &) {
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// do nothing
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} catch (...) {
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assert(false);
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}
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};
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// const lvalue to empty
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{
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any lhs;
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any const rhs((Tp(1)));
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assert(Tp::count == 1);
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try_throw(lhs, rhs);
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assert(Tp::count == 1);
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assertEmpty<Tp>(lhs);
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assertContains<Tp>(rhs);
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}
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{
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any lhs((small(2)));
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any const rhs((Tp(1)));
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assert(small::count == 1);
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assert(Tp::count == 1);
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try_throw(lhs, rhs);
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assert(small::count == 1);
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assert(Tp::count == 1);
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assertContains<small>(lhs, 2);
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assertContains<Tp>(rhs);
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}
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{
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any lhs((large(2)));
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any const rhs((Tp(1)));
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assert(large::count == 1);
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assert(Tp::count == 1);
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try_throw(lhs, rhs);
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assert(large::count == 1);
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assert(Tp::count == 1);
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assertContains<large>(lhs, 2);
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assertContains<Tp>(rhs);
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}
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#endif
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}
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int main() {
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test_copy_assign<small1, small2>();
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test_copy_assign<large1, large2>();
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test_copy_assign<small, large>();
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test_copy_assign<large, small>();
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test_copy_assign_empty<small>();
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test_copy_assign_empty<large>();
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test_copy_assign_self();
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test_copy_assign_throws<small_throws_on_copy>();
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test_copy_assign_throws<large_throws_on_copy>();
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}
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102
test/std/experimental/any/any.class/any.assign/move.pass.cpp
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102
test/std/experimental/any/any.class/any.assign/move.pass.cpp
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@@ -0,0 +1,102 @@
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11
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// <experimental/any>
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// any& operator=(any &&);
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// Test move assignment.
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#include <experimental/any>
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#include <cassert>
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#include "any_helpers.h"
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#include "test_macros.h"
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using std::experimental::any;
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using std::experimental::any_cast;
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template <class LHS, class RHS>
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void test_move_assign() {
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assert(LHS::count == 0);
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assert(RHS::count == 0);
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{
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LHS const s1(1);
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any a(s1);
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RHS const s2(2);
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any a2(s2);
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assert(LHS::count == 2);
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assert(RHS::count == 2);
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a = std::move(a2);
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assert(LHS::count == 1);
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assert(RHS::count == 2);
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assertContains<RHS>(a, 2);
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assertEmpty<RHS>(a2);
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}
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assert(LHS::count == 0);
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assert(RHS::count == 0);
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}
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template <class LHS>
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void test_move_assign_empty() {
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assert(LHS::count == 0);
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{
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any a;
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any a2((LHS(1)));
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assert(LHS::count == 1);
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a = std::move(a2);
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assert(LHS::count == 1);
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assertContains<LHS>(a, 1);
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assertEmpty<LHS>(a2);
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}
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assert(LHS::count == 0);
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{
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any a((LHS(1)));
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any a2;
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assert(LHS::count == 1);
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a = std::move(a2);
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assert(LHS::count == 0);
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assertEmpty<LHS>(a);
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assertEmpty(a2);
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}
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assert(LHS::count == 0);
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}
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void test_move_assign_noexcept() {
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any a1;
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any a2;
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static_assert(
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noexcept(a1 = std::move(a2))
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, "any & operator=(any &&) must be noexcept"
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);
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}
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int main() {
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test_move_assign_noexcept();
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test_move_assign<small1, small2>();
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test_move_assign<large1, large2>();
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test_move_assign<small, large>();
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test_move_assign<large, small>();
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test_move_assign_empty<small>();
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test_move_assign_empty<large>();
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}
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177
test/std/experimental/any/any.class/any.assign/value.pass.cpp
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177
test/std/experimental/any/any.class/any.assign/value.pass.cpp
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@@ -0,0 +1,177 @@
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11
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// <experimental/any>
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// any& operator=(any const &);
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// Test value copy and move assignment.
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#include <experimental/any>
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#include <cassert>
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#include "any_helpers.h"
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#include "count_new.hpp"
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#include "test_macros.h"
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using std::experimental::any;
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using std::experimental::any_cast;
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template <class LHS, class RHS>
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void test_assign_value() {
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assert(LHS::count == 0);
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assert(RHS::count == 0);
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LHS::reset();
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RHS::reset();
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{
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any lhs(LHS(1));
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any const rhs(RHS(2));
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assert(LHS::count == 1);
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assert(RHS::count == 1);
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assert(RHS::copied == 0);
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lhs = rhs;
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assert(RHS::copied == 1);
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assert(LHS::count == 0);
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assert(RHS::count == 2);
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assertContains<RHS>(lhs, 2);
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assertContains<RHS>(rhs, 2);
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}
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assert(LHS::count == 0);
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assert(RHS::count == 0);
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LHS::reset();
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RHS::reset();
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{
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any lhs(LHS(1));
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any rhs(RHS(2));
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assert(LHS::count == 1);
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assert(RHS::count == 1);
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assert(RHS::moved == 1);
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lhs = std::move(rhs);
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assert(RHS::moved >= 1);
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assert(RHS::copied == 0);
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assert(LHS::count == 0);
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assert(RHS::count == 1);
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assertContains<RHS>(lhs, 2);
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assertEmpty<RHS>(rhs);
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}
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assert(LHS::count == 0);
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assert(RHS::count == 0);
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}
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template <class RHS>
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void test_assign_value_empty() {
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assert(RHS::count == 0);
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RHS::reset();
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{
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any lhs;
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RHS rhs(42);
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assert(RHS::count == 1);
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assert(RHS::copied == 0);
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lhs = rhs;
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assert(RHS::count == 2);
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assert(RHS::copied == 1);
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assert(RHS::moved >= 0);
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assertContains<RHS>(lhs, 42);
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}
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assert(RHS::count == 0);
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RHS::reset();
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{
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any lhs;
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RHS rhs(42);
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assert(RHS::count == 1);
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assert(RHS::moved == 0);
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lhs = std::move(rhs);
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assert(RHS::count == 2);
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assert(RHS::copied == 0);
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assert(RHS::moved >= 1);
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assertContains<RHS>(lhs, 42);
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}
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assert(RHS::count == 0);
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RHS::reset();
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}
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template <class Tp, bool Move = false>
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void test_assign_throws() {
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#if !defined(TEST_HAS_NO_EXCEPTIONS)
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auto try_throw=
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[](any& lhs, auto&& rhs) {
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try {
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Move ? lhs = std::move(rhs)
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: lhs = rhs;
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assert(false);
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} catch (my_any_exception const &) {
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// do nothing
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} catch (...) {
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assert(false);
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}
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};
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// const lvalue to empty
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{
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any lhs;
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Tp rhs(1);
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assert(Tp::count == 1);
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try_throw(lhs, rhs);
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assert(Tp::count == 1);
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assertEmpty<Tp>(lhs);
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}
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{
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any lhs((small(2)));
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Tp rhs(1);
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assert(small::count == 1);
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assert(Tp::count == 1);
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try_throw(lhs, rhs);
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assert(small::count == 1);
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assert(Tp::count == 1);
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assertContains<small>(lhs, 2);
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}
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{
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any lhs((large(2)));
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Tp rhs(1);
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assert(large::count == 1);
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assert(Tp::count == 1);
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try_throw(lhs, rhs);
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assert(large::count == 1);
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assert(Tp::count == 1);
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assertContains<large>(lhs, 2);
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}
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#endif
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}
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int main() {
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test_assign_value<small1, small2>();
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test_assign_value<large1, large2>();
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test_assign_value<small, large>();
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test_assign_value<large, small>();
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test_assign_value_empty<small>();
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test_assign_value_empty<large>();
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test_assign_throws<small_throws_on_copy>();
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test_assign_throws<large_throws_on_copy>();
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test_assign_throws<throws_on_move, /* Move = */ true>();
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}
|
@@ -0,0 +1,38 @@
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//===----------------------------------------------------------------------===//
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//
|
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// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
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||||
|
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// UNSUPPORTED: c++98, c++03, c++11
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// <experimental/any>
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// template <class Value>
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// any& operator=(Value &&);
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// Instantiate the value assignment operator with a non-copyable type.
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#include <experimental/any>
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class non_copyable
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{
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non_copyable(non_copyable const &);
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public:
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non_copyable() {}
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non_copyable(non_copyable &&) {}
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};
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||||
int main()
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||||
{
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using namespace std::experimental;
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non_copyable nc;
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any a;
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a = static_cast<non_copyable &&>(nc); // expected-error@experimental/any:* 2 {{static_assert failed "_ValueType must be CopyConstructible."}}
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||||
// expected-error@experimental/any:* {{calling a private constructor of class 'non_copyable'}}
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||||
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||||
}
|
100
test/std/experimental/any/any.class/any.cons/copy.pass.cpp
Normal file
100
test/std/experimental/any/any.class/any.cons/copy.pass.cpp
Normal file
@@ -0,0 +1,100 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// any(any const &);
|
||||
|
||||
#include <experimental/any>
|
||||
#include <cassert>
|
||||
|
||||
#include "any_helpers.h"
|
||||
#include "count_new.hpp"
|
||||
#include "test_macros.h"
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::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>(a, 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.clear();
|
||||
assertEmpty(a);
|
||||
assertContains<Type>(a2, 999);
|
||||
}
|
||||
assert(Type::count == 0);
|
||||
}
|
||||
|
||||
int main() {
|
||||
test_copy<small>();
|
||||
test_copy<large>();
|
||||
test_copy_empty();
|
||||
test_copy_throws<small_throws_on_copy>();
|
||||
test_copy_throws<large_throws_on_copy>();
|
||||
}
|
@@ -0,0 +1,38 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// any() noexcept;
|
||||
|
||||
#include <experimental/any>
|
||||
#include <type_traits>
|
||||
#include <cassert>
|
||||
|
||||
#include "any_helpers.h"
|
||||
#include "count_new.hpp"
|
||||
|
||||
|
||||
int main()
|
||||
{
|
||||
using std::experimental::any;
|
||||
{
|
||||
static_assert(
|
||||
std::is_nothrow_default_constructible<any>::value
|
||||
, "Must be default constructible"
|
||||
);
|
||||
}
|
||||
{
|
||||
DisableAllocationGuard g; ((void)g);
|
||||
any const a;
|
||||
assertEmpty(a);
|
||||
}
|
||||
}
|
102
test/std/experimental/any/any.class/any.cons/move.pass.cpp
Normal file
102
test/std/experimental/any/any.class/any.cons/move.pass.cpp
Normal file
@@ -0,0 +1,102 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// any(any &&) noexcept;
|
||||
|
||||
#include <experimental/any>
|
||||
#include <utility>
|
||||
#include <type_traits>
|
||||
#include <cassert>
|
||||
|
||||
#include "any_helpers.h"
|
||||
#include "count_new.hpp"
|
||||
#include "test_macros.h"
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
// Moves are always noexcept. The throws_on_move object
|
||||
// must be stored dynamically so the pointer is moved and
|
||||
// not the stored object.
|
||||
void test_move_does_not_throw()
|
||||
{
|
||||
#if !defined(TEST_HAS_NO_EXCEPTIONS)
|
||||
assert(throws_on_move::count == 0);
|
||||
{
|
||||
throws_on_move v(42);
|
||||
any a(v);
|
||||
assert(throws_on_move::count == 2);
|
||||
// No allocations should be performed after this point.
|
||||
DisableAllocationGuard g; ((void)g);
|
||||
try {
|
||||
any const a2(std::move(a));
|
||||
assertEmpty(a);
|
||||
assertContains<throws_on_move>(a2, 42);
|
||||
} catch (...) {
|
||||
assert(false);
|
||||
}
|
||||
assert(throws_on_move::count == 1);
|
||||
assertEmpty(a);
|
||||
}
|
||||
assert(throws_on_move::count == 0);
|
||||
#endif
|
||||
}
|
||||
|
||||
void test_move_empty() {
|
||||
DisableAllocationGuard g; ((void)g); // no allocations should be performed.
|
||||
|
||||
any a1;
|
||||
any a2(std::move(a1));
|
||||
|
||||
assertEmpty(a1);
|
||||
assertEmpty(a2);
|
||||
}
|
||||
|
||||
template <class Type>
|
||||
void test_move() {
|
||||
assert(Type::count == 0);
|
||||
Type::reset();
|
||||
{
|
||||
any a((Type(42)));
|
||||
assert(Type::count == 1);
|
||||
assert(Type::copied == 0);
|
||||
assert(Type::moved == 1);
|
||||
|
||||
// Moving should not perform allocations since it must be noexcept.
|
||||
DisableAllocationGuard g; ((void)g);
|
||||
|
||||
any a2(std::move(a));
|
||||
|
||||
assert(Type::moved >= 1); // zero or more move operations can be performed.
|
||||
assert(Type::copied == 0); // no copies can be performed.
|
||||
assert(Type::count == 1);
|
||||
assertEmpty(a); // Moves are always destructive.
|
||||
assertContains<Type>(a2, 42);
|
||||
}
|
||||
assert(Type::count == 0);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
// noexcept test
|
||||
{
|
||||
static_assert(
|
||||
std::is_nothrow_move_constructible<any>::value
|
||||
, "any must be nothrow move constructible"
|
||||
);
|
||||
}
|
||||
test_move<small>();
|
||||
test_move<large>();
|
||||
test_move_empty();
|
||||
test_move_does_not_throw();
|
||||
}
|
@@ -0,0 +1,36 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// any::any<Value>(Value &&)
|
||||
|
||||
// Attempt to construct any with a non-copyable type.
|
||||
|
||||
#include <experimental/any>
|
||||
|
||||
class non_copyable
|
||||
{
|
||||
non_copyable(non_copyable const &);
|
||||
|
||||
public:
|
||||
non_copyable() {}
|
||||
non_copyable(non_copyable &&) {}
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
using namespace std::experimental;
|
||||
non_copyable nc;
|
||||
any a(static_cast<non_copyable &&>(nc));
|
||||
// expected-error@experimental/any:* 1 {{static_assert failed "_ValueType must be CopyConstructible."}}
|
||||
// expected-error@experimental/any:* 1 {{calling a private constructor of class 'non_copyable'}}
|
||||
}
|
116
test/std/experimental/any/any.class/any.cons/value.pass.cpp
Normal file
116
test/std/experimental/any/any.class/any.cons/value.pass.cpp
Normal file
@@ -0,0 +1,116 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// template <class Value> any(Value &&)
|
||||
|
||||
// Test construction from a value.
|
||||
// Concerns:
|
||||
// ---------
|
||||
// 1. The value is properly move/copied depending on the value category.
|
||||
// 2. Both small and large values are properly handled.
|
||||
|
||||
|
||||
#include <experimental/any>
|
||||
#include <cassert>
|
||||
|
||||
#include "any_helpers.h"
|
||||
#include "count_new.hpp"
|
||||
#include "test_macros.h"
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
template <class Type>
|
||||
void test_copy_value_throws()
|
||||
{
|
||||
#if !defined(TEST_HAS_NO_EXCEPTIONS)
|
||||
assert(Type::count == 0);
|
||||
{
|
||||
Type const t(42);
|
||||
assert(Type::count == 1);
|
||||
try {
|
||||
any const a2(t);
|
||||
assert(false);
|
||||
} catch (my_any_exception const &) {
|
||||
// do nothing
|
||||
} catch (...) {
|
||||
assert(false);
|
||||
}
|
||||
assert(Type::count == 1);
|
||||
assert(t.value == 42);
|
||||
}
|
||||
assert(Type::count == 0);
|
||||
#endif
|
||||
}
|
||||
|
||||
void test_move_value_throws()
|
||||
{
|
||||
#if !defined(TEST_HAS_NO_EXCEPTIONS)
|
||||
assert(throws_on_move::count == 0);
|
||||
{
|
||||
throws_on_move v;
|
||||
assert(throws_on_move::count == 1);
|
||||
try {
|
||||
any const a(std::move(v));
|
||||
assert(false);
|
||||
} catch (my_any_exception const &) {
|
||||
// do nothing
|
||||
} catch (...) {
|
||||
assert(false);
|
||||
}
|
||||
assert(throws_on_move::count == 1);
|
||||
}
|
||||
assert(throws_on_move::count == 0);
|
||||
#endif
|
||||
}
|
||||
|
||||
template <class Type>
|
||||
void test_copy_move_value() {
|
||||
// constructing from a small type should perform no allocations.
|
||||
DisableAllocationGuard g(isSmallType<Type>()); ((void)g);
|
||||
assert(Type::count == 0);
|
||||
Type::reset();
|
||||
{
|
||||
Type t(42);
|
||||
assert(Type::count == 1);
|
||||
|
||||
any a(t);
|
||||
|
||||
assert(Type::count == 2);
|
||||
assert(Type::copied == 1);
|
||||
assert(Type::moved == 0);
|
||||
assertContains<Type>(a, 42);
|
||||
}
|
||||
assert(Type::count == 0);
|
||||
Type::reset();
|
||||
{
|
||||
Type t(42);
|
||||
assert(Type::count == 1);
|
||||
|
||||
any a(std::move(t));
|
||||
|
||||
assert(Type::count == 2);
|
||||
assert(Type::copied == 0);
|
||||
assert(Type::moved == 1);
|
||||
assertContains<Type>(a, 42);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
int main() {
|
||||
test_copy_move_value<small>();
|
||||
test_copy_move_value<large>();
|
||||
test_copy_value_throws<small_throws_on_copy>();
|
||||
test_copy_value_throws<large_throws_on_copy>();
|
||||
test_move_value_throws();
|
||||
}
|
@@ -0,0 +1,63 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// any::clear() noexcept
|
||||
|
||||
#include <experimental/any>
|
||||
#include <cassert>
|
||||
|
||||
#include "any_helpers.h"
|
||||
|
||||
int main()
|
||||
{
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
// empty
|
||||
{
|
||||
any a;
|
||||
|
||||
// noexcept check
|
||||
static_assert(
|
||||
noexcept(a.clear())
|
||||
, "any.clear() must be noexcept"
|
||||
);
|
||||
|
||||
assertEmpty(a);
|
||||
|
||||
a.clear();
|
||||
|
||||
assertEmpty(a);
|
||||
}
|
||||
// small object
|
||||
{
|
||||
any a((small(1)));
|
||||
assert(small::count == 1);
|
||||
assertContains<small>(a, 1);
|
||||
|
||||
a.clear();
|
||||
|
||||
assertEmpty<small>(a);
|
||||
assert(small::count == 0);
|
||||
}
|
||||
// large object
|
||||
{
|
||||
any a(large(1));
|
||||
assert(large::count == 1);
|
||||
assertContains<large>(a);
|
||||
|
||||
a.clear();
|
||||
|
||||
assertEmpty<large>(a);
|
||||
assert(large::count == 0);
|
||||
}
|
||||
}
|
101
test/std/experimental/any/any.class/any.modifiers/swap.pass.cpp
Normal file
101
test/std/experimental/any/any.class/any.modifiers/swap.pass.cpp
Normal file
@@ -0,0 +1,101 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// any::swap(any &) noexcept
|
||||
|
||||
// Test swap(large, small) and swap(small, large)
|
||||
|
||||
#include <experimental/any>
|
||||
#include <cassert>
|
||||
|
||||
#include "any_helpers.h"
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
template <class LHS, class RHS>
|
||||
void test_swap() {
|
||||
assert(LHS::count == 0);
|
||||
assert(RHS::count == 0);
|
||||
{
|
||||
any a1((LHS(1)));
|
||||
any a2(RHS{2});
|
||||
assert(LHS::count == 1);
|
||||
assert(RHS::count == 1);
|
||||
|
||||
a1.swap(a2);
|
||||
|
||||
assert(LHS::count == 1);
|
||||
assert(RHS::count == 1);
|
||||
|
||||
assertContains<RHS>(a1, 2);
|
||||
assertContains<LHS>(a2, 1);
|
||||
}
|
||||
assert(LHS::count == 0);
|
||||
assert(RHS::count == 0);
|
||||
assert(LHS::copied == 0);
|
||||
assert(RHS::copied == 0);
|
||||
}
|
||||
|
||||
template <class Tp>
|
||||
void test_swap_empty() {
|
||||
assert(Tp::count == 0);
|
||||
{
|
||||
any a1((Tp(1)));
|
||||
any a2;
|
||||
assert(Tp::count == 1);
|
||||
|
||||
a1.swap(a2);
|
||||
|
||||
assert(Tp::count == 1);
|
||||
|
||||
assertContains<Tp>(a2, 1);
|
||||
assertEmpty(a1);
|
||||
}
|
||||
assert(Tp::count == 0);
|
||||
{
|
||||
any a1((Tp(1)));
|
||||
any a2;
|
||||
assert(Tp::count == 1);
|
||||
|
||||
a2.swap(a1);
|
||||
|
||||
assert(Tp::count == 1);
|
||||
|
||||
assertContains<Tp>(a2, 1);
|
||||
assertEmpty(a1);
|
||||
}
|
||||
assert(Tp::count == 0);
|
||||
assert(Tp::copied == 0);
|
||||
}
|
||||
|
||||
void test_noexcept()
|
||||
{
|
||||
any a1;
|
||||
any a2;
|
||||
static_assert(
|
||||
noexcept(a1.swap(a2))
|
||||
, "any::swap(any&) must be noexcept"
|
||||
);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test_noexcept();
|
||||
test_swap_empty<small>();
|
||||
test_swap_empty<large>();
|
||||
test_swap<small1, small2>();
|
||||
test_swap<large1, large2>();
|
||||
test_swap<small, large>();
|
||||
test_swap<large, small>();
|
||||
}
|
@@ -0,0 +1,64 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// any::empty() noexcept
|
||||
|
||||
#include <experimental/any>
|
||||
#include <cassert>
|
||||
|
||||
#include "any_helpers.h"
|
||||
|
||||
int main()
|
||||
{
|
||||
using std::experimental::any;
|
||||
// noexcept test
|
||||
{
|
||||
any a;
|
||||
static_assert(noexcept(a.empty()), "any::empty() must be noexcept");
|
||||
}
|
||||
// empty
|
||||
{
|
||||
any a;
|
||||
assert(a.empty());
|
||||
|
||||
a.clear();
|
||||
assert(a.empty());
|
||||
|
||||
a = 42;
|
||||
assert(!a.empty());
|
||||
}
|
||||
// small object
|
||||
{
|
||||
small const s(1);
|
||||
any a(s);
|
||||
assert(!a.empty());
|
||||
|
||||
a.clear();
|
||||
assert(a.empty());
|
||||
|
||||
a = s;
|
||||
assert(!a.empty());
|
||||
}
|
||||
// large object
|
||||
{
|
||||
large const l(1);
|
||||
any a(l);
|
||||
assert(!a.empty());
|
||||
|
||||
a.clear();
|
||||
assert(a.empty());
|
||||
|
||||
a = l;
|
||||
assert(!a.empty());
|
||||
}
|
||||
}
|
@@ -0,0 +1,41 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// XFAIL: libcpp-no-rtti
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// any::type() noexcept
|
||||
|
||||
#include <experimental/any>
|
||||
#include <cassert>
|
||||
#include "any_helpers.h"
|
||||
|
||||
int main()
|
||||
{
|
||||
using std::experimental::any;
|
||||
{
|
||||
any const a;
|
||||
assert(a.type() == typeid(void));
|
||||
static_assert(noexcept(a.type()), "any::type() must be noexcept");
|
||||
}
|
||||
{
|
||||
small const s(1);
|
||||
any const a(s);
|
||||
assert(a.type() == typeid(small));
|
||||
|
||||
}
|
||||
{
|
||||
large const l(1);
|
||||
any const a(l);
|
||||
assert(a.type() == typeid(large));
|
||||
}
|
||||
}
|
12
test/std/experimental/any/any.class/nothing_to_do.pass.cpp
Normal file
12
test/std/experimental/any/any.class/nothing_to_do.pass.cpp
Normal file
@@ -0,0 +1,12 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include <experimental/string_view>
|
||||
|
||||
int main () {}
|
@@ -0,0 +1,146 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// template <class ValueType>
|
||||
// ValueType const* any_cast(any const *) noexcept;
|
||||
//
|
||||
// template <class ValueType>
|
||||
// ValueType * any_cast(any *) noexcept;
|
||||
|
||||
#include <experimental/any>
|
||||
#include <type_traits>
|
||||
#include <cassert>
|
||||
|
||||
#include "any_helpers.h"
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
// Test that the operators are properly noexcept.
|
||||
void test_cast_is_noexcept() {
|
||||
any a;
|
||||
static_assert(noexcept(any_cast<int>(&a)), "");
|
||||
|
||||
any const& ca = a;
|
||||
static_assert(noexcept(any_cast<int>(&ca)), "");
|
||||
}
|
||||
|
||||
// Test that the return type of any_cast is correct.
|
||||
void test_cast_return_type() {
|
||||
any a;
|
||||
static_assert(std::is_same<decltype(any_cast<int>(&a)), int*>::value, "");
|
||||
static_assert(std::is_same<decltype(any_cast<int const>(&a)), int const*>::value, "");
|
||||
|
||||
any const& ca = a;
|
||||
static_assert(std::is_same<decltype(any_cast<int>(&ca)), int const*>::value, "");
|
||||
static_assert(std::is_same<decltype(any_cast<int const>(&ca)), int const*>::value, "");
|
||||
}
|
||||
|
||||
// Test that any_cast handles null pointers.
|
||||
void test_cast_nullptr() {
|
||||
any* a = nullptr;
|
||||
assert(nullptr == any_cast<int>(a));
|
||||
assert(nullptr == any_cast<int const>(a));
|
||||
|
||||
any const* ca = nullptr;
|
||||
assert(nullptr == any_cast<int>(ca));
|
||||
assert(nullptr == any_cast<int const>(ca));
|
||||
}
|
||||
|
||||
// Test casting an empty object.
|
||||
void test_cast_empty() {
|
||||
{
|
||||
any a;
|
||||
assert(nullptr == any_cast<int>(&a));
|
||||
assert(nullptr == any_cast<int const>(&a));
|
||||
|
||||
any const& ca = a;
|
||||
assert(nullptr == any_cast<int>(&ca));
|
||||
assert(nullptr == any_cast<int const>(&ca));
|
||||
}
|
||||
// Create as non-empty, then make empty and run test.
|
||||
{
|
||||
any a(42);
|
||||
a.clear();
|
||||
assert(nullptr == any_cast<int>(&a));
|
||||
assert(nullptr == any_cast<int const>(&a));
|
||||
|
||||
any const& ca = a;
|
||||
assert(nullptr == any_cast<int>(&ca));
|
||||
assert(nullptr == any_cast<int const>(&ca));
|
||||
}
|
||||
}
|
||||
|
||||
template <class Type>
|
||||
void test_cast() {
|
||||
assert(Type::count == 0);
|
||||
Type::reset();
|
||||
{
|
||||
any a((Type(42)));
|
||||
any const& ca = a;
|
||||
assert(Type::count == 1);
|
||||
assert(Type::copied == 0);
|
||||
assert(Type::moved == 1);
|
||||
|
||||
// Try a cast to a bad type.
|
||||
// NOTE: Type cannot be an int.
|
||||
assert(any_cast<int>(&a) == nullptr);
|
||||
assert(any_cast<int const>(&a) == nullptr);
|
||||
assert(any_cast<int const volatile>(&a) == nullptr);
|
||||
|
||||
// Try a cast to the right type, but as a pointer.
|
||||
assert(any_cast<Type*>(&a) == nullptr);
|
||||
assert(any_cast<Type const*>(&a) == nullptr);
|
||||
|
||||
// Check getting a unqualified type from a non-const any.
|
||||
Type* v = any_cast<Type>(&a);
|
||||
assert(v != nullptr);
|
||||
assert(v->value == 42);
|
||||
|
||||
// change the stored value and later check for the new value.
|
||||
v->value = 999;
|
||||
|
||||
// Check getting a const qualified type from a non-const any.
|
||||
Type const* cv = any_cast<Type const>(&a);
|
||||
assert(cv != nullptr);
|
||||
assert(cv == v);
|
||||
assert(cv->value == 999);
|
||||
|
||||
// Check getting a unqualified type from a const any.
|
||||
cv = any_cast<Type>(&ca);
|
||||
assert(cv != nullptr);
|
||||
assert(cv == v);
|
||||
assert(cv->value == 999);
|
||||
|
||||
// Check getting a const-qualified type from a const any.
|
||||
cv = any_cast<Type const>(&ca);
|
||||
assert(cv != nullptr);
|
||||
assert(cv == v);
|
||||
assert(cv->value == 999);
|
||||
|
||||
// Check that no more objects were created, copied or moved.
|
||||
assert(Type::count == 1);
|
||||
assert(Type::copied == 0);
|
||||
assert(Type::moved == 1);
|
||||
}
|
||||
assert(Type::count == 0);
|
||||
}
|
||||
|
||||
int main() {
|
||||
test_cast_is_noexcept();
|
||||
test_cast_return_type();
|
||||
test_cast_nullptr();
|
||||
test_cast_empty();
|
||||
test_cast<small>();
|
||||
test_cast<large>();
|
||||
}
|
@@ -0,0 +1,309 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// template <class ValueType>
|
||||
// ValueType const any_cast(any const&);
|
||||
//
|
||||
// template <class ValueType>
|
||||
// ValueType any_cast(any &);
|
||||
//
|
||||
// template <class ValueType>
|
||||
// ValueType any_cast(any &&);
|
||||
|
||||
#include <experimental/any>
|
||||
#include <type_traits>
|
||||
#include <cassert>
|
||||
|
||||
#include "any_helpers.h"
|
||||
#include "count_new.hpp"
|
||||
#include "test_macros.h"
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
using std::experimental::bad_any_cast;
|
||||
|
||||
|
||||
// Test that the operators are NOT marked noexcept.
|
||||
void test_cast_is_not_noexcept() {
|
||||
any a;
|
||||
static_assert(!noexcept(any_cast<int>(static_cast<any&>(a))), "");
|
||||
static_assert(!noexcept(any_cast<int>(static_cast<any const&>(a))), "");
|
||||
static_assert(!noexcept(any_cast<int>(static_cast<any &&>(a))), "");
|
||||
}
|
||||
|
||||
// Test that the return type of any_cast is correct.
|
||||
void test_cast_return_type() {
|
||||
any a;
|
||||
static_assert(std::is_same<decltype(any_cast<int>(a)), int>::value, "");
|
||||
static_assert(std::is_same<decltype(any_cast<int const>(a)), int>::value, "");
|
||||
static_assert(std::is_same<decltype(any_cast<int&>(a)), int&>::value, "");
|
||||
static_assert(std::is_same<decltype(any_cast<int const&>(a)), int const&>::value, "");
|
||||
|
||||
//static_assert(std::is_same<decltype(any_cast<int&&>(a)), int&&>::value, "");
|
||||
//static_assert(std::is_same<decltype(any_cast<int const&&>(a)), int const&&>::value, "");
|
||||
|
||||
static_assert(std::is_same<decltype(any_cast<int>(std::move(a))), int>::value, "");
|
||||
static_assert(std::is_same<decltype(any_cast<int const>(std::move(a))), int>::value, "");
|
||||
static_assert(std::is_same<decltype(any_cast<int&>(std::move(a))), int&>::value, "");
|
||||
static_assert(std::is_same<decltype(any_cast<int const&>(std::move(a))), int const&>::value, "");
|
||||
|
||||
//static_assert(std::is_same<decltype(any_cast<int&&>(std::move(a))), int&&>::value, "");
|
||||
//static_assert(std::is_same<decltype(any_cast<int const&&>(std::move(a))), int const&&>::value, "");
|
||||
|
||||
any const& ca = a;
|
||||
static_assert(std::is_same<decltype(any_cast<int>(ca)), int>::value, "");
|
||||
static_assert(std::is_same<decltype(any_cast<int const>(ca)), int>::value, "");
|
||||
static_assert(std::is_same<decltype(any_cast<int const&>(ca)), int const&>::value, "");
|
||||
|
||||
//static_assert(std::is_same<decltype(any_cast<int const&&>(ca)), int const&&>::value, "");
|
||||
}
|
||||
|
||||
template <class Type, class ConstT = Type>
|
||||
void checkThrows(any& a)
|
||||
{
|
||||
#if !defined(TEST_HAS_NO_EXCEPTIONS)
|
||||
try {
|
||||
any_cast<Type>(a);
|
||||
assert(false);
|
||||
} catch (bad_any_cast const &) {
|
||||
// do nothing
|
||||
} catch (...) {
|
||||
assert(false);
|
||||
}
|
||||
|
||||
try {
|
||||
any_cast<ConstT>(static_cast<any const&>(a));
|
||||
assert(false);
|
||||
} catch (bad_any_cast const &) {
|
||||
// do nothing
|
||||
} catch (...) {
|
||||
assert(false);
|
||||
}
|
||||
|
||||
try {
|
||||
any_cast<Type>(static_cast<any&&>(a));
|
||||
assert(false);
|
||||
} catch (bad_any_cast const &) {
|
||||
// do nothing
|
||||
} catch (...) {
|
||||
assert(false);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
void test_cast_empty() {
|
||||
// None of these operations should allocate.
|
||||
DisableAllocationGuard g; ((void)g);
|
||||
any a;
|
||||
checkThrows<int>(a);
|
||||
}
|
||||
|
||||
template <class Type>
|
||||
void test_cast_to_reference() {
|
||||
assert(Type::count == 0);
|
||||
Type::reset();
|
||||
{
|
||||
any a((Type(42)));
|
||||
any const& ca = a;
|
||||
assert(Type::count == 1);
|
||||
assert(Type::copied == 0);
|
||||
assert(Type::moved == 1);
|
||||
|
||||
// Try a cast to a bad type.
|
||||
// NOTE: Type cannot be an int.
|
||||
checkThrows<int>(a);
|
||||
checkThrows<int&, int const&>(a);
|
||||
checkThrows<Type*, Type const*>(a);
|
||||
checkThrows<Type const*>(a);
|
||||
|
||||
// Check getting a type by reference from a non-const lvalue any.
|
||||
{
|
||||
Type& v = any_cast<Type&>(a);
|
||||
assert(v.value == 42);
|
||||
|
||||
Type const &cv = any_cast<Type const&>(a);
|
||||
assert(&cv == &v);
|
||||
}
|
||||
// Check getting a type by reference from a const lvalue any.
|
||||
{
|
||||
Type const& v = any_cast<Type const&>(ca);
|
||||
assert(v.value == 42);
|
||||
|
||||
Type const &cv = any_cast<Type const&>(ca);
|
||||
assert(&cv == &v);
|
||||
}
|
||||
// Check getting a type by reference from a non-const rvalue
|
||||
{
|
||||
Type& v = any_cast<Type&>(std::move(a));
|
||||
assert(v.value == 42);
|
||||
|
||||
Type const &cv = any_cast<Type const&>(std::move(a));
|
||||
assert(&cv == &v);
|
||||
}
|
||||
// Check getting a type by reference from a const rvalue any.
|
||||
{
|
||||
Type const& v = any_cast<Type const&>(std::move(ca));
|
||||
assert(v.value == 42);
|
||||
|
||||
Type const &cv = any_cast<Type const&>(std::move(ca));
|
||||
assert(&cv == &v);
|
||||
}
|
||||
|
||||
// Check that the original object hasn't been changed.
|
||||
assertContains<Type>(a, 42);
|
||||
|
||||
// Check that no objects have been created/copied/moved.
|
||||
assert(Type::count == 1);
|
||||
assert(Type::copied == 0);
|
||||
assert(Type::moved == 1);
|
||||
}
|
||||
assert(Type::count == 0);
|
||||
}
|
||||
|
||||
template <class Type>
|
||||
void test_cast_to_value() {
|
||||
assert(Type::count == 0);
|
||||
Type::reset();
|
||||
{
|
||||
any a((Type(42)));
|
||||
any const& ca = a;
|
||||
assert(Type::count == 1);
|
||||
assert(Type::copied == 0);
|
||||
assert(Type::moved == 1);
|
||||
|
||||
// Try a cast to a bad type.
|
||||
// NOTE: Type cannot be an int.
|
||||
checkThrows<int>(a);
|
||||
checkThrows<int&, int const&>(a);
|
||||
checkThrows<Type*, Type const*>(a);
|
||||
checkThrows<Type const*>(a);
|
||||
|
||||
Type::reset(); // NOTE: reset does not modify Type::count
|
||||
// Check getting Type by value from a non-const lvalue any.
|
||||
// This should cause the non-const copy constructor to be called.
|
||||
{
|
||||
Type t = any_cast<Type>(a);
|
||||
|
||||
assert(Type::count == 2);
|
||||
assert(Type::copied == 1);
|
||||
assert(Type::const_copied == 0);
|
||||
assert(Type::non_const_copied == 1);
|
||||
assert(Type::moved == 0);
|
||||
assert(t.value == 42);
|
||||
}
|
||||
assert(Type::count == 1);
|
||||
Type::reset();
|
||||
// Check getting const Type by value from a non-const lvalue any.
|
||||
// This should cause the const copy constructor to be called.
|
||||
{
|
||||
Type t = any_cast<Type const>(a);
|
||||
|
||||
assert(Type::count == 2);
|
||||
assert(Type::copied == 1);
|
||||
assert(Type::const_copied == 1);
|
||||
assert(Type::non_const_copied == 0);
|
||||
assert(Type::moved == 0);
|
||||
assert(t.value == 42);
|
||||
}
|
||||
assert(Type::count == 1);
|
||||
Type::reset();
|
||||
// Check getting Type by value from a non-const lvalue any.
|
||||
// This should cause the const copy constructor to be called.
|
||||
{
|
||||
Type t = any_cast<Type>(static_cast<any const&>(a));
|
||||
|
||||
assert(Type::count == 2);
|
||||
assert(Type::copied == 1);
|
||||
assert(Type::const_copied == 1);
|
||||
assert(Type::non_const_copied == 0);
|
||||
assert(Type::moved == 0);
|
||||
assert(t.value == 42);
|
||||
}
|
||||
assert(Type::count == 1);
|
||||
Type::reset();
|
||||
// Check getting Type by value from a non-const rvalue any.
|
||||
// This should cause the non-const copy constructor to be called.
|
||||
{
|
||||
Type t = any_cast<Type>(static_cast<any &&>(a));
|
||||
|
||||
assert(Type::count == 2);
|
||||
assert(Type::copied == 1);
|
||||
assert(Type::const_copied == 0);
|
||||
assert(Type::non_const_copied == 1);
|
||||
assert(Type::moved == 0);
|
||||
assert(t.value == 42);
|
||||
}
|
||||
assert(Type::count == 1);
|
||||
Type::reset();
|
||||
// Check getting const Type by value from a non-const rvalue any.
|
||||
// This should cause the const copy constructor to be called.
|
||||
{
|
||||
Type t = any_cast<Type const>(static_cast<any &&>(a));
|
||||
|
||||
assert(Type::count == 2);
|
||||
assert(Type::copied == 1);
|
||||
assert(Type::const_copied == 1);
|
||||
assert(Type::non_const_copied == 0);
|
||||
assert(Type::moved == 0);
|
||||
assert(t.value == 42);
|
||||
}
|
||||
assert(Type::count == 1);
|
||||
Type::reset();
|
||||
// Check getting Type by value from a const rvalue any.
|
||||
// This should cause the const copy constructor to be called.
|
||||
{
|
||||
Type t = any_cast<Type>(static_cast<any const&&>(a));
|
||||
|
||||
assert(Type::count == 2);
|
||||
assert(Type::copied == 1);
|
||||
assert(Type::const_copied == 1);
|
||||
assert(Type::non_const_copied == 0);
|
||||
assert(Type::moved == 0);
|
||||
assert(t.value == 42);
|
||||
}
|
||||
// Ensure we still only have 1 Type object alive.
|
||||
assert(Type::count == 1);
|
||||
|
||||
// Check that the original object hasn't been changed.
|
||||
assertContains<Type>(a, 42);
|
||||
}
|
||||
assert(Type::count == 0);
|
||||
}
|
||||
|
||||
// Even though you can't get a non-copyable class into std::any
|
||||
// the standard requires that these overloads compile and function.
|
||||
void test_non_copyable_ref() {
|
||||
struct no_copy
|
||||
{
|
||||
no_copy() {}
|
||||
no_copy(no_copy &&) {}
|
||||
private:
|
||||
no_copy(no_copy const &);
|
||||
};
|
||||
|
||||
any a;
|
||||
checkThrows<no_copy &, no_copy const&>(a);
|
||||
checkThrows<no_copy const&>(a);
|
||||
assertEmpty(a);
|
||||
}
|
||||
|
||||
int main() {
|
||||
test_cast_is_not_noexcept();
|
||||
test_cast_return_type();
|
||||
test_cast_empty();
|
||||
test_cast_to_reference<small>();
|
||||
test_cast_to_reference<large>();
|
||||
test_cast_to_value<small>();
|
||||
test_cast_to_value<large>();
|
||||
test_non_copyable_ref();
|
||||
}
|
@@ -0,0 +1,38 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// template <class ValueType>
|
||||
// ValueType any_cast(any const &);
|
||||
|
||||
// Try and cast away const.
|
||||
|
||||
#include <experimental/any>
|
||||
|
||||
struct TestType {};
|
||||
struct TestType2 {};
|
||||
|
||||
int main()
|
||||
{
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
any a;
|
||||
|
||||
// expected-error@experimental/any:* 2 {{binding value of type '_Tp' (aka 'const TestType') to reference to type 'TestType' drops 'const' qualifier}}
|
||||
any_cast<TestType &>(static_cast<any const&>(a)); // expected-note {{requested here}}
|
||||
any_cast<TestType &&>(static_cast<any const&>(a)); // expected-note {{requested here}}
|
||||
|
||||
// expected-error@experimental/any:* 2 {{binding value of type '_Tp' (aka 'const TestType2') to reference to type 'TestType2' drops 'const' qualifier}}
|
||||
any_cast<TestType2 &>(static_cast<any const&&>(a)); // expected-note {{requested here}}
|
||||
any_cast<TestType2 &&>(static_cast<any const&&>(a)); // expected-note {{requested here}}
|
||||
}
|
@@ -0,0 +1,45 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// template <class ValueType>
|
||||
// ValueType const any_cast(any const&);
|
||||
//
|
||||
// template <class ValueType>
|
||||
// ValueType any_cast(any &);
|
||||
//
|
||||
// template <class ValueType>
|
||||
// ValueType any_cast(any &&);
|
||||
|
||||
// Test instantiating the any_cast with a non-copyable type.
|
||||
|
||||
#include <experimental/any>
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
struct no_copy
|
||||
{
|
||||
no_copy() {}
|
||||
no_copy(no_copy &&) {}
|
||||
private:
|
||||
no_copy(no_copy const &);
|
||||
};
|
||||
|
||||
int main() {
|
||||
any a;
|
||||
any_cast<no_copy>(static_cast<any&>(a));
|
||||
any_cast<no_copy>(static_cast<any const&>(a));
|
||||
any_cast<no_copy>(static_cast<any &&>(a));
|
||||
// expected-error@experimental/any:* 3 {{static_assert failed "_ValueType is required to be a reference or a CopyConstructible type."}}
|
||||
// expected-error@experimental/any:* 3 {{calling a private constructor of class 'no_copy'}}
|
||||
}
|
@@ -0,0 +1,37 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// template <class ValueType>
|
||||
// ValueType const* any_cast(any const *) noexcept;
|
||||
//
|
||||
// template <class ValueType>
|
||||
// ValueType * any_cast(any *) noexcept;
|
||||
|
||||
#include <experimental/any>
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
int main()
|
||||
{
|
||||
any a(1);
|
||||
any_cast<int &>(&a); // expected-error@experimental/any:* 1 {{static_assert failed "_ValueType may not be a reference."}}
|
||||
any_cast<int &&>(&a); // expected-error@experimental/any:* 1 {{static_assert failed "_ValueType may not be a reference."}}
|
||||
any_cast<int const &>(&a); // expected-error@experimental/any:* 1 {{static_assert failed "_ValueType may not be a reference."}}
|
||||
any_cast<int const&&>(&a); // expected-error@experimental/any:* 1 {{static_assert failed "_ValueType may not be a reference."}}
|
||||
any const& a2 = a;
|
||||
any_cast<int &>(&a2); // expected-error@experimental/any:* 1 {{static_assert failed "_ValueType may not be a reference."}}
|
||||
any_cast<int &&>(&a2); // expected-error@experimental/any:* 1 {{static_assert failed "_ValueType may not be a reference."}}
|
||||
any_cast<int const &>(&a2); // expected-error@experimental/any:* 1 {{static_assert failed "_ValueType may not be a reference."}}
|
||||
any_cast<int const &&>(&a2); // expected-error@experimental/any:* 1 {{static_assert failed "_ValueType may not be a reference."}}
|
||||
}
|
40
test/std/experimental/any/any.nonmembers/swap.pass.cpp
Normal file
40
test/std/experimental/any/any.nonmembers/swap.pass.cpp
Normal file
@@ -0,0 +1,40 @@
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is dual licensed under the MIT and the University of Illinois Open
|
||||
// Source Licenses. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// UNSUPPORTED: c++98, c++03, c++11
|
||||
|
||||
// <experimental/any>
|
||||
|
||||
// void swap(any &, any &) noexcept
|
||||
|
||||
// swap(...) just wraps any::swap(...). That function is tested elsewhere.
|
||||
|
||||
#include <experimental/any>
|
||||
#include <cassert>
|
||||
|
||||
using std::experimental::any;
|
||||
using std::experimental::any_cast;
|
||||
|
||||
int main()
|
||||
{
|
||||
|
||||
{ // test noexcept
|
||||
any a;
|
||||
static_assert(noexcept(swap(a, a)), "swap(any&, any&) must be noexcept");
|
||||
}
|
||||
{
|
||||
any a1(1);
|
||||
any a2(2);
|
||||
|
||||
swap(a1, a2);
|
||||
|
||||
assert(any_cast<int>(a1) == 2);
|
||||
assert(any_cast<int>(a2) == 1);
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user