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 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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// <string>
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// int compare(const charT *s) 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 typename S::value_type* 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(""), "", 0);
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test(S(""), "abcde", -5);
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test(S(""), "abcdefghij", -10);
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test(S(""), "abcdefghijklmnopqrst", -20);
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test(S("abcde"), "", 5);
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test(S("abcde"), "abcde", 0);
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test(S("abcde"), "abcdefghij", -5);
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test(S("abcde"), "abcdefghijklmnopqrst", -15);
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test(S("abcdefghij"), "", 10);
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test(S("abcdefghij"), "abcde", 5);
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test(S("abcdefghij"), "abcdefghij", 0);
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test(S("abcdefghij"), "abcdefghijklmnopqrst", -10);
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test(S("abcdefghijklmnopqrst"), "", 20);
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test(S("abcdefghijklmnopqrst"), "abcde", 15);
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test(S("abcdefghijklmnopqrst"), "abcdefghij", 10);
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test(S("abcdefghijklmnopqrst"), "abcdefghijklmnopqrst", 0);
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}
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