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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
//
//===----------------------------------------------------------------------===//
// <string_view>
// ... manipulating sequences of any non-array trivial standard-layout types.
#include <string>
#include "../basic.string/test_traits.h"
struct NotTrivial {
NotTrivial() : value(3) {}
int value;
};
struct NotStandardLayout {
public:
NotStandardLayout() : one(1), two(2) {}
int sum() const { return one + two; } // silences "unused field 'two' warning"
int one;
private:
int two;
};
int main(int, char**)
{
{
// array
typedef char C[3];
static_assert(std::is_array<C>::value, "");
std::basic_string_view<C, test_traits<C> > sv;
// expected-error-re@string_view:* {{static_assert failed{{.*}} "Character type of basic_string_view must not be an array"}}
}
{
// not trivial
static_assert(!std::is_trivial<NotTrivial>::value, "");
std::basic_string_view<NotTrivial, test_traits<NotTrivial> > sv;
// expected-error-re@string_view:* {{static_assert failed{{.*}} "Character type of basic_string_view must be trivial"}}
}
{
// not standard layout
static_assert(!std::is_standard_layout<NotStandardLayout>::value, "");
std::basic_string_view<NotStandardLayout, test_traits<NotStandardLayout> > sv;
// expected-error-re@string_view:* {{static_assert failed{{.*}} "Character type of basic_string_view must be standard-layout"}}
}
return 0;
}
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