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53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <string>
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// ... manipulating sequences of any non-array trivial standard-layout types.
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#include <string>
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#include "test_traits.h"
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struct NotTrivial {
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NotTrivial() : value(3) {}
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int value;
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};
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struct NotStandardLayout {
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public:
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NotStandardLayout() : one(1), two(2) {}
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int sum() const { return one + two; } // silences "unused field 'two' warning"
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int one;
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private:
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int two;
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};
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void f() {
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{
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// array
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typedef char C[3];
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static_assert(std::is_array<C>::value, "");
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std::basic_string<C, test_traits<C> > s;
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// expected-error-re@string:* {{static assertion failed{{.*}}Character type of basic_string must not be an array}}
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}
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{
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// not trivial
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static_assert(!std::is_trivial<NotTrivial>::value, "");
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std::basic_string<NotTrivial, test_traits<NotTrivial> > s;
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// expected-error-re@string:* {{static assertion failed{{.*}}Character type of basic_string must be trivial}}
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}
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{
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// not standard layout
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static_assert(!std::is_standard_layout<NotStandardLayout>::value, "");
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std::basic_string<NotStandardLayout, test_traits<NotStandardLayout> > s;
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// expected-error-re@string:* {{static assertion failed{{.*}}Character type of basic_string must be standard-layout}}
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}
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}
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