54 lines
1.4 KiB
C++
54 lines
1.4 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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// int compare(const basic_string& str) const
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#include <string>
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#include <cassert>
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int sign(int x)
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{
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if (x == 0)
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return 0;
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if (x < 0)
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return -1;
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return 1;
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}
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template <class S>
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void
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test(const S& s, const S& str, int x)
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{
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assert(sign(s.compare(str)) == sign(x));
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}
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typedef std::string S;
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int main()
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{
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test(S(""), S(""), 0);
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test(S(""), S("abcde"), -5);
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test(S(""), S("abcdefghij"), -10);
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test(S(""), S("abcdefghijklmnopqrst"), -20);
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test(S("abcde"), S(""), 5);
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test(S("abcde"), S("abcde"), 0);
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test(S("abcde"), S("abcdefghij"), -5);
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test(S("abcde"), S("abcdefghijklmnopqrst"), -15);
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test(S("abcdefghij"), S(""), 10);
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test(S("abcdefghij"), S("abcde"), 5);
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test(S("abcdefghij"), S("abcdefghij"), 0);
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test(S("abcdefghij"), S("abcdefghijklmnopqrst"), -10);
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test(S("abcdefghijklmnopqrst"), S(""), 20);
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test(S("abcdefghijklmnopqrst"), S("abcde"), 15);
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test(S("abcdefghijklmnopqrst"), S("abcdefghij"), 10);
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test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), 0);
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}
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