summaryrefslogtreecommitdiffstats
path: root/libcxx/test/std/utilities/optional/optional.object/optional.object.assign/emplace.pass.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libcxx/test/std/utilities/optional/optional.object/optional.object.assign/emplace.pass.cpp')
-rw-r--r--libcxx/test/std/utilities/optional/optional.object/optional.object.assign/emplace.pass.cpp237
1 files changed, 0 insertions, 237 deletions
diff --git a/libcxx/test/std/utilities/optional/optional.object/optional.object.assign/emplace.pass.cpp b/libcxx/test/std/utilities/optional/optional.object/optional.object.assign/emplace.pass.cpp
deleted file mode 100644
index be17aa6fc51..00000000000
--- a/libcxx/test/std/utilities/optional/optional.object/optional.object.assign/emplace.pass.cpp
+++ /dev/null
@@ -1,237 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-// 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, c++14
-// <optional>
-
-// template <class... Args> void optional<T>::emplace(Args&&... args);
-
-#include <optional>
-#include <type_traits>
-#include <cassert>
-#include <memory>
-
-#include "test_macros.h"
-#include "archetypes.hpp"
-
-using std::optional;
-
-class X
-{
- int i_;
- int j_ = 0;
-public:
- X() : i_(0) {}
- X(int i) : i_(i) {}
- X(int i, int j) : i_(i), j_(j) {}
-
- friend bool operator==(const X& x, const X& y)
- {return x.i_ == y.i_ && x.j_ == y.j_;}
-};
-
-class Y
-{
-public:
- static bool dtor_called;
- Y() = default;
- Y(int) { TEST_THROW(6);}
- ~Y() {dtor_called = true;}
-};
-
-bool Y::dtor_called = false;
-
-template <class T>
-void test_one_arg() {
- using Opt = std::optional<T>;
- {
- Opt opt;
- opt.emplace();
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T(0));
- }
- {
- Opt opt;
- opt.emplace(1);
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T(1));
- }
- {
- Opt opt(2);
- opt.emplace();
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T(0));
- }
- {
- Opt opt(2);
- opt.emplace(1);
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T(1));
- }
-}
-
-
-template <class T>
-void test_multi_arg()
-{
- test_one_arg<T>();
- using Opt = std::optional<T>;
- Opt opt;
- {
- opt.emplace(101, 41);
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T(101, 41));
- }
- {
- Opt opt;
- opt.emplace({1, 2, 3, 4});
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T(4)); // T sets its value to the size of the init list
- }
- {
- Opt opt;
- opt.emplace({1, 2, 3, 4, 5}, 6);
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T(5)); // T sets its value to the size of the init list
- }
-}
-
-template <class T>
-void test_on_test_type() {
-
- T::reset();
- optional<T> opt;
- assert(T::alive == 0);
- {
- T::reset_constructors();
- opt.emplace();
- assert(T::alive == 1);
- assert(T::constructed == 1);
- assert(T::default_constructed == 1);
- assert(T::destroyed == 0);
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T());
- }
- {
- T::reset_constructors();
- opt.emplace();
- assert(T::alive == 1);
- assert(T::constructed == 1);
- assert(T::default_constructed == 1);
- assert(T::destroyed == 1);
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T());
- }
- {
- T::reset_constructors();
- opt.emplace(101);
- assert(T::alive == 1);
- assert(T::constructed == 1);
- assert(T::value_constructed == 1);
- assert(T::destroyed == 1);
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T(101));
- }
- {
- T::reset_constructors();
- opt.emplace(-10, 99);
- assert(T::alive == 1);
- assert(T::constructed == 1);
- assert(T::value_constructed == 1);
- assert(T::destroyed == 1);
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T(-10, 99));
- }
- {
- T::reset_constructors();
- opt.emplace(-10, 99);
- assert(T::alive == 1);
- assert(T::constructed == 1);
- assert(T::value_constructed == 1);
- assert(T::destroyed == 1);
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T(-10, 99));
- }
- {
- T::reset_constructors();
- opt.emplace({-10, 99, 42, 1});
- assert(T::alive == 1);
- assert(T::constructed == 1);
- assert(T::value_constructed == 1);
- assert(T::destroyed == 1);
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T(4)); // size of the initializer list
- }
- {
- T::reset_constructors();
- opt.emplace({-10, 99, 42, 1}, 42);
- assert(T::alive == 1);
- assert(T::constructed == 1);
- assert(T::value_constructed == 1);
- assert(T::destroyed == 1);
- assert(static_cast<bool>(opt) == true);
- assert(*opt == T(4)); // size of the initializer list
- }
-}
-
-
-
-int main()
-{
- {
- test_on_test_type<TestTypes::TestType>();
- test_on_test_type<ExplicitTestTypes::TestType>();
- }
- {
- using T = int;
- test_one_arg<T>();
- test_one_arg<const T>();
- }
- {
- using T = ConstexprTestTypes::TestType;
- test_multi_arg<T>();
- }
- {
- using T = ExplicitConstexprTestTypes::TestType;
- test_multi_arg<T>();
- }
- {
- using T = TrivialTestTypes::TestType;
- test_multi_arg<T>();
- }
- {
- using T = ExplicitTrivialTestTypes::TestType;
- test_multi_arg<T>();
- }
- {
- optional<const int> opt;
- opt.emplace(42);
- assert(*opt == 42);
- opt.emplace();
- assert(*opt == 0);
- }
-#ifndef TEST_HAS_NO_EXCEPTIONS
- Y::dtor_called = false;
- {
- Y y;
- optional<Y> opt(y);
- try
- {
- assert(static_cast<bool>(opt) == true);
- assert(Y::dtor_called == false);
- opt.emplace(1);
- }
- catch (int i)
- {
- assert(i == 6);
- assert(static_cast<bool>(opt) == false);
- assert(Y::dtor_called == true);
- }
- }
-#endif
-}
OpenPOWER on IntegriCloud