25838c6dac
Those tests fail when linking against a new dylib but running against macosx10.7. I believe this is caused by a duplicate definition of the RTTI for exception classes in libc++.dylib and libc++abi.dylib, but this matter still needs some investigation. This issue was not caught previously because all the tests always linked against the same dylib used for running (because LIT made it impossible to do otherwise before r349171). rdar://problem/46809586 llvm-svn: 354940
235 lines
7.5 KiB
C++
235 lines
7.5 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 basic_string<charT,traits,Allocator>& str,
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// size_type pos, size_type n,
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// const Allocator& a = Allocator());
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//
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// basic_string(const basic_string<charT,traits,Allocator>& str,
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// size_type pos,
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// const Allocator& a = Allocator());
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// When back-deploying to macosx10.7, the RTTI for exception classes
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// incorrectly provided by libc++.dylib is mixed with the one in
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// libc++abi.dylib and exceptions are not caught properly.
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// XFAIL: with_system_cxx_lib=macosx10.7
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#include <string>
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#include <stdexcept>
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#include <algorithm>
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#include <vector>
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#include <scoped_allocator>
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#include <cassert>
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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 S>
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void
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test(S str, unsigned pos)
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{
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typedef typename S::traits_type T;
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typedef typename S::allocator_type A;
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if (pos <= str.size())
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{
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S s2(str, pos);
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LIBCPP_ASSERT(s2.__invariants());
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typename S::size_type rlen = str.size() - pos;
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assert(s2.size() == rlen);
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assert(T::compare(s2.data(), str.data() + pos, rlen) == 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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#ifndef TEST_HAS_NO_EXCEPTIONS
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else
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{
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try
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{
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S s2(str, pos);
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assert(false);
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}
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catch (std::out_of_range&)
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{
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assert(pos > str.size());
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}
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}
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#endif
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}
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template <class S>
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void
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test(S str, unsigned pos, unsigned n)
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{
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typedef typename S::traits_type T;
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typedef typename S::allocator_type A;
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if (pos <= str.size())
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{
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S s2(str, pos, n);
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LIBCPP_ASSERT(s2.__invariants());
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typename S::size_type rlen = std::min<typename S::size_type>(str.size() - pos, n);
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assert(s2.size() == rlen);
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assert(T::compare(s2.data(), str.data() + pos, rlen) == 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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#ifndef TEST_HAS_NO_EXCEPTIONS
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else
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{
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try
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{
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S s2(str, pos, n);
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assert(false);
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}
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catch (std::out_of_range&)
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{
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assert(pos > str.size());
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}
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}
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#endif
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}
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template <class S>
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void
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test(S str, unsigned pos, unsigned n, const typename S::allocator_type& a)
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{
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typedef typename S::traits_type T;
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if (pos <= str.size())
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{
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S s2(str, pos, n, a);
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LIBCPP_ASSERT(s2.__invariants());
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typename S::size_type rlen = std::min<typename S::size_type>(str.size() - pos, n);
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assert(s2.size() == rlen);
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assert(T::compare(s2.data(), str.data() + pos, rlen) == 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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#ifndef TEST_HAS_NO_EXCEPTIONS
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else
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{
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try
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{
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S s2(str, pos, n, a);
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assert(false);
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}
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catch (std::out_of_range&)
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{
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assert(pos > str.size());
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}
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}
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#endif
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}
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#if TEST_STD_VER >= 11
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#ifndef TEST_HAS_NO_EXCEPTIONS
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void test2583()
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{ // LWG #2583
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typedef std::basic_string<char, std::char_traits<char>, test_allocator<char> > StringA;
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std::vector<StringA, std::scoped_allocator_adaptor<test_allocator<StringA>>> vs;
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StringA s{"1234"};
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vs.emplace_back(s, 2);
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try { vs.emplace_back(s, 5); }
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catch (const std::out_of_range&) { return; }
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assert(false);
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}
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#endif
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#endif
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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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typedef std::basic_string<char, std::char_traits<char>, A> S;
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test(S(A(3)), 0);
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test(S(A(3)), 1);
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test(S("1", A(5)), 0);
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test(S("1", A(5)), 1);
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test(S("1", A(5)), 2);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 0);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 5);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 500);
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test(S(A(3)), 0, 0);
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test(S(A(3)), 0, 1);
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test(S(A(3)), 1, 0);
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test(S(A(3)), 1, 1);
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test(S(A(3)), 1, 2);
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test(S("1", A(5)), 0, 0);
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test(S("1", A(5)), 0, 1);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 0);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 1);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 10);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 100);
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test(S(A(3)), 0, 0, A(4));
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test(S(A(3)), 0, 1, A(4));
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test(S(A(3)), 1, 0, A(4));
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test(S(A(3)), 1, 1, A(4));
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test(S(A(3)), 1, 2, A(4));
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test(S("1", A(5)), 0, 0, A(6));
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test(S("1", A(5)), 0, 1, A(6));
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 0, A(8));
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 1, A(8));
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 10, A(8));
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 100, A(8));
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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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typedef std::basic_string<char, std::char_traits<char>, A> S;
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test(S(A()), 0);
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test(S(A()), 1);
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test(S("1", A()), 0);
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test(S("1", A()), 1);
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test(S("1", A()), 2);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()), 0);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()), 5);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()), 50);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()), 500);
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test(S(A()), 0, 0);
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test(S(A()), 0, 1);
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test(S(A()), 1, 0);
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test(S(A()), 1, 1);
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test(S(A()), 1, 2);
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test(S("1", A()), 0, 0);
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test(S("1", A()), 0, 1);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()), 50, 0);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()), 50, 1);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()), 50, 10);
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()), 50, 100);
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test(S(A()), 0, 0, A());
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test(S(A()), 0, 1, A());
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test(S(A()), 1, 0, A());
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test(S(A()), 1, 1, A());
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test(S(A()), 1, 2, A());
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test(S("1", A()), 0, 0, A());
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test(S("1", A()), 0, 1, A());
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()), 50, 0, A());
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()), 50, 1, A());
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()), 50, 10, A());
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test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()), 50, 100, A());
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}
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#ifndef TEST_HAS_NO_EXCEPTIONS
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test2583();
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#endif
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#endif
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return 0;
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}
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