e85018b7dd
Reviewed By: ldionne, #libc Spies: libcxx-commits, arphaman Differential Revision: https://reviews.llvm.org/D119123
85 lines
2.8 KiB
C++
85 lines
2.8 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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// basic_string<charT,traits,Allocator>& operator=(basic_string_view<charT, traits> sv);
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#include <string>
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#include <cassert>
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#include "test_macros.h"
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#include "min_allocator.h"
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template <class S, class SV>
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TEST_CONSTEXPR_CXX20 void
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test(S s1, SV sv)
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{
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typedef typename S::traits_type T;
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s1 = sv;
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LIBCPP_ASSERT(s1.__invariants());
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assert(s1.size() == sv.size());
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assert(T::compare(s1.data(), sv.data(), s1.size()) == 0);
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assert(s1.capacity() >= s1.size());
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}
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bool test() {
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{
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typedef std::string S;
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typedef std::string_view SV;
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test(S(), SV(""));
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test(S("1"), SV(""));
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test(S(), SV("1"));
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test(S("1"), SV("2"));
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test(S("1"), SV("2"));
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test(S(),
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SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
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test(S("123456789"),
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SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
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SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
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"1234567890123456789012345678901234567890123456789012345678901234567890"),
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SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
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}
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#if TEST_STD_VER >= 11
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{
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typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
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typedef std::string_view SV;
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test(S(), SV(""));
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test(S("1"), SV(""));
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test(S(), SV("1"));
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test(S("1"), SV("2"));
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test(S("1"), SV("2"));
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test(S(),
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SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
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test(S("123456789"),
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SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
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SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
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"1234567890123456789012345678901234567890123456789012345678901234567890"),
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SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
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}
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#endif
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return true;
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}
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int main(int, char**)
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{
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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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