forked from OSchip/llvm-project
48 lines
1.5 KiB
C++
48 lines
1.5 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 dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <strstream>
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// class strstreambuf
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// int_type overflow(int_type c = EOF);
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#include <strstream>
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#include <cassert>
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int main()
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{
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{
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char buf[12] = "abc";
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std::strstreambuf sb(buf, sizeof(buf), buf);
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assert(sb.sputc('1') == '1');
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assert(sb.str() == std::string("1bc"));
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assert(sb.sputc('2') == '2');
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assert(sb.str() == std::string("12c"));
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assert(sb.sputc('3') == '3');
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assert(sb.str() == std::string("123"));
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assert(sb.sputc('4') == '4');
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assert(sb.str() == std::string("1234"));
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assert(sb.sputc('5') == '5');
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assert(sb.str() == std::string("12345"));
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assert(sb.sputc('6') == '6');
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assert(sb.str() == std::string("123456"));
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assert(sb.sputc('7') == '7');
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assert(sb.str() == std::string("1234567"));
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assert(sb.sputc('8') == '8');
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assert(sb.str() == std::string("12345678"));
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assert(sb.sputc('9') == '9');
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assert(sb.str() == std::string("123456789"));
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assert(sb.sputc('0') == '0');
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assert(sb.str() == std::string("1234567890"));
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assert(sb.sputc('1') == '1');
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assert(sb.str() == std::string("12345678901"));
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}
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}
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