Revert Add <optional>. Will recommit with better commit message

llvm-svn: 283978

libcxx/test/std/utilities/optional/optional.object/optional.object.ctor/copy.pass.cpp

@@ -1,150 +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>
-
-// optional(const optional<T>& rhs);
-
-#include <optional>
-#include <type_traits>
-#include <cassert>
-
-#include "test_macros.h"
-#include "archetypes.hpp"
-
-using std::optional;
-
-template <class T, class ...InitArgs>
-void test(InitArgs&&... args)
-{
-    const optional<T> rhs(std::forward<InitArgs>(args)...);
-    bool rhs_engaged = static_cast<bool>(rhs);
-    optional<T> lhs = rhs;
-    assert(static_cast<bool>(lhs) == rhs_engaged);
-    if (rhs_engaged)
-        assert(*lhs == *rhs);
-}
-
-void test_throwing_ctor() {
-#ifndef TEST_HAS_NO_EXCEPTIONS
-    struct Z {
-      Z() : count(0) {}
-      Z(Z const& o) : count(o.count + 1)
-      { if (count == 2) throw 6; }
-      int count;
-    };
-    const Z z;
-    const optional<Z> rhs(z);
-    try
-    {
-        optional<Z> lhs(rhs);
-        assert(false);
-    }
-    catch (int i)
-    {
-        assert(i == 6);
-    }
-#endif
-}
-
-template <class T, class ...InitArgs>
-void test_ref(InitArgs&&... args)
-{
-    const optional<T> rhs(std::forward<InitArgs>(args)...);
-    bool rhs_engaged = static_cast<bool>(rhs);
-    optional<T> lhs = rhs;
-    assert(static_cast<bool>(lhs) == rhs_engaged);
-    if (rhs_engaged)
-        assert(&(*lhs) == &(*rhs));
-}
-
-
-void test_reference_extension()
-{
-#if defined(_LIBCPP_VERSION) && 0 // FIXME these extensions are currently disabled.
-    using T = TestTypes::TestType;
-    T::reset();
-    {
-        T t;
-        T::reset_constructors();
-        test_ref<T&>();
-        test_ref<T&>(t);
-        assert(T::alive == 1);
-        assert(T::constructed == 0);
-        assert(T::assigned == 0);
-        assert(T::destroyed == 0);
-    }
-    assert(T::destroyed == 1);
-    assert(T::alive == 0);
-    {
-        T t;
-        const T& ct = t;
-        T::reset_constructors();
-        test_ref<T const&>();
-        test_ref<T const&>(t);
-        test_ref<T const&>(ct);
-        assert(T::alive == 1);
-        assert(T::constructed == 0);
-        assert(T::assigned == 0);
-        assert(T::destroyed == 0);
-    }
-    assert(T::alive == 0);
-    assert(T::destroyed == 1);
-    {
-        static_assert(!std::is_copy_constructible<std::optional<T&&>>::value, "");
-        static_assert(!std::is_copy_constructible<std::optional<T const&&>>::value, "");
-    }
-#endif
-}
-
-int main()
-{
-    test<int>();
-    test<int>(3);
-    {
-        using T = TestTypes::TestType;
-        T::reset();
-        const optional<T> rhs;
-        assert(T::alive == 0);
-        const optional<T> lhs(rhs);
-        assert(lhs.has_value() == false);
-        assert(T::alive == 0);
-    }
-    TestTypes::TestType::reset();
-    {
-        using T = TestTypes::TestType;
-        T::reset();
-        const optional<T> rhs(42);
-        assert(T::alive == 1);
-        assert(T::value_constructed == 1);
-        assert(T::copy_constructed == 0);
-        const optional<T> lhs(rhs);
-        assert(lhs.has_value());
-        assert(T::copy_constructed == 1);
-        assert(T::alive == 2);
-    }
-    TestTypes::TestType::reset();
-    {
-        using namespace ConstexprTestTypes;
-        test<TestType>();
-        test<TestType>(42);
-    }
-    {
-        using namespace TrivialTestTypes;
-        test<TestType>();
-        test<TestType>(42);
-    }
-    {
-        test_throwing_ctor();
-    }
-    {
-        test_reference_extension();
-    }
-}