a40bada91a
This applies clang-format to the std::string unit tests in preparation for landing https://reviews.llvm.org/D140550. Differential Revision: https://reviews.llvm.org/D140612
84 lines
1.9 KiB
C++
84 lines
1.9 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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// UNSUPPORTED: c++03, c++11
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// <string>
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// iterator begin(); // constexpr since C++20
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// iterator end(); // constexpr since C++20
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// const_iterator begin() const; // constexpr since C++20
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// const_iterator end() const; // constexpr since C++20
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// const_iterator cbegin() const; // constexpr since C++20
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// const_iterator cend() const; // constexpr since C++20
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#include <string>
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#include <cassert>
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#include "test_macros.h"
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template <class C>
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TEST_CONSTEXPR_CXX20 void test() {
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{ // N3644 testing
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typename C::iterator ii1{}, ii2{};
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typename C::iterator ii4 = ii1;
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typename C::const_iterator cii{};
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assert(ii1 == ii2);
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assert(ii1 == ii4);
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assert(!(ii1 != ii2));
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assert((ii1 == cii));
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assert((cii == ii1));
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assert(!(ii1 != cii));
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assert(!(cii != ii1));
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assert(!(ii1 < cii));
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assert(!(cii < ii1));
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assert((ii1 <= cii));
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assert((cii <= ii1));
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assert(!(ii1 > cii));
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assert(!(cii > ii1));
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assert((ii1 >= cii));
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assert((cii >= ii1));
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assert(cii - ii1 == 0);
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assert(ii1 - cii == 0);
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}
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{
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C a;
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typename C::iterator i1 = a.begin();
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typename C::iterator i2;
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i2 = i1;
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assert(i1 == i2);
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}
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}
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TEST_CONSTEXPR_CXX20 bool test() {
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test<std::string>();
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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test<std::wstring>();
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#endif
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#ifndef TEST_HAS_NO_CHAR8_T
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test<std::u8string>();
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#endif
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test<std::u16string>();
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test<std::u32string>();
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return true;
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}
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int main(int, char**) {
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test();
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#if TEST_STD_VER > 17
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static_assert(test());
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#endif
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return 0;
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}
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