6e0a1f458e
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111764 91177308-0d34-0410-b5e6-96231b3b80d8
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <string>
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// basic_string<charT,traits,Allocator>&
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// append(const basic_string<charT,traits>& str);
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#include <string>
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#include <cassert>
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template <class S>
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void
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test(S s, S str, S expected)
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{
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s.append(str);
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assert(s.__invariants());
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assert(s == expected);
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}
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int main()
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{
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typedef std::string S;
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test(S(), S(), S());
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test(S(), S("12345"), S("12345"));
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test(S(), S("1234567890"), S("1234567890"));
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test(S(), S("12345678901234567890"), S("12345678901234567890"));
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test(S("12345"), S(), S("12345"));
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test(S("12345"), S("12345"), S("1234512345"));
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test(S("12345"), S("1234567890"), S("123451234567890"));
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test(S("12345"), S("12345678901234567890"), S("1234512345678901234567890"));
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test(S("1234567890"), S(), S("1234567890"));
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test(S("1234567890"), S("12345"), S("123456789012345"));
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test(S("1234567890"), S("1234567890"), S("12345678901234567890"));
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test(S("1234567890"), S("12345678901234567890"), S("123456789012345678901234567890"));
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test(S("12345678901234567890"), S(), S("12345678901234567890"));
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test(S("12345678901234567890"), S("12345"), S("1234567890123456789012345"));
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test(S("12345678901234567890"), S("1234567890"), S("123456789012345678901234567890"));
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test(S("12345678901234567890"), S("12345678901234567890"),
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S("1234567890123456789012345678901234567890"));
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}
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