| 1 | //===----------------------------------------------------------------------===// |
|---|
| 2 | // |
|---|
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
|---|
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
|---|
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
|---|
| 6 | // |
|---|
| 7 | //===----------------------------------------------------------------------===// |
|---|
| 8 | |
|---|
| 9 | // XFAIL: FROZEN-CXX03-HEADERS-FIXME |
|---|
| 10 | |
|---|
| 11 | // <string> |
|---|
| 12 | // ... manipulating sequences of any non-array trivial standard-layout types. |
|---|
| 13 | |
|---|
| 14 | #include <string> |
|---|
| 15 | #include <type_traits> |
|---|
| 16 | #include "test_traits.h" |
|---|
| 17 | |
|---|
| 18 | struct NotTriviallyCopyable { |
|---|
| 19 | int value; |
|---|
| 20 | NotTriviallyCopyable& operator=(const NotTriviallyCopyable& other) { |
|---|
| 21 | value = other.value; |
|---|
| 22 | return *this; |
|---|
| 23 | } |
|---|
| 24 | }; |
|---|
| 25 | |
|---|
| 26 | struct NotTriviallyDefaultConstructible { |
|---|
| 27 | NotTriviallyDefaultConstructible() : value(3) {} |
|---|
| 28 | int value; |
|---|
| 29 | }; |
|---|
| 30 | |
|---|
| 31 | struct NotStandardLayout { |
|---|
| 32 | public: |
|---|
| 33 | NotStandardLayout() : one(1), two(2) {} |
|---|
| 34 | int sum() const { return one + two; } // silences "unused field 'two' warning" |
|---|
| 35 | int one; |
|---|
| 36 | |
|---|
| 37 | private: |
|---|
| 38 | int two; |
|---|
| 39 | }; |
|---|
| 40 | |
|---|
| 41 | void f() { |
|---|
| 42 | { |
|---|
| 43 | // array |
|---|
| 44 | typedef char C[3]; |
|---|
| 45 | static_assert(std::is_array<C>::value, "" ); |
|---|
| 46 | std::basic_string<C, test_traits<C> > s; |
|---|
| 47 | // expected-error-re@*:* {{static assertion failed{{.*}}Character type of basic_string must not be an array}} |
|---|
| 48 | } |
|---|
| 49 | |
|---|
| 50 | { |
|---|
| 51 | // not trivially copyable |
|---|
| 52 | static_assert(!std::is_trivially_copyable<NotTriviallyCopyable>::value, "" ); |
|---|
| 53 | std::basic_string<NotTriviallyCopyable, test_traits<NotTriviallyCopyable> > s; |
|---|
| 54 | // expected-error-re@*:* {{static assertion failed{{.*}}Character type of basic_string must be trivially copyable}} |
|---|
| 55 | } |
|---|
| 56 | |
|---|
| 57 | { |
|---|
| 58 | // not trivially default constructible |
|---|
| 59 | static_assert(!std::is_trivially_default_constructible<NotTriviallyDefaultConstructible>::value, "" ); |
|---|
| 60 | std::basic_string<NotTriviallyDefaultConstructible, test_traits<NotTriviallyDefaultConstructible> > s; |
|---|
| 61 | // expected-error-re@*:* {{static assertion failed{{.*}}Character type of basic_string must be trivially default constructible}} |
|---|
| 62 | } |
|---|
| 63 | |
|---|
| 64 | { |
|---|
| 65 | // not standard layout |
|---|
| 66 | static_assert(!std::is_standard_layout<NotStandardLayout>::value, "" ); |
|---|
| 67 | std::basic_string<NotStandardLayout, test_traits<NotStandardLayout> > s; |
|---|
| 68 | // expected-error-re@*:* {{static assertion failed{{.*}}Character type of basic_string must be standard-layout}} |
|---|
| 69 | } |
|---|
| 70 | } |
|---|
| 71 | |
|---|
