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91 lines
2.2 KiB
C++
91 lines
2.2 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(const charT* s, const Allocator& a = Allocator());
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#include <string>
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#include <stdexcept>
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#include <algorithm>
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#include <cassert>
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#include <cstddef>
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#include "test_macros.h"
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#include "test_allocator.h"
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#include "min_allocator.h"
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template <class charT>
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void
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test(const charT* s)
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{
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typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S;
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typedef typename S::traits_type T;
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typedef typename S::allocator_type A;
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std::size_t n = T::length(s);
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S s2(s);
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LIBCPP_ASSERT(s2.__invariants());
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assert(s2.size() == n);
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assert(T::compare(s2.data(), s, n) == 0);
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assert(s2.get_allocator() == A());
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assert(s2.capacity() >= s2.size());
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}
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template <class charT, class A>
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void
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test(const charT* s, const A& a)
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{
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typedef std::basic_string<charT, std::char_traits<charT>, A> S;
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typedef typename S::traits_type T;
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std::size_t n = T::length(s);
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S s2(s, a);
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LIBCPP_ASSERT(s2.__invariants());
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assert(s2.size() == n);
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assert(T::compare(s2.data(), s, n) == 0);
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assert(s2.get_allocator() == a);
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assert(s2.capacity() >= s2.size());
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}
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int main(int, char**)
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{
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{
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typedef test_allocator<char> A;
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test("");
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test("", A(2));
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test("1");
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test("1", A(2));
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test("1234567980");
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test("1234567980", A(2));
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test("123456798012345679801234567980123456798012345679801234567980");
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test("123456798012345679801234567980123456798012345679801234567980", A(2));
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}
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#if TEST_STD_VER >= 11
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{
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typedef min_allocator<char> A;
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test("");
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test("", A());
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test("1");
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test("1", A());
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test("1234567980");
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test("1234567980", A());
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test("123456798012345679801234567980123456798012345679801234567980");
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test("123456798012345679801234567980123456798012345679801234567980", A());
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}
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#endif
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return 0;
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}
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