forked from OSchip/llvm-project
47 lines
1.5 KiB
C++
47 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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// <string>
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// template<class charT, class traits, class Allocator>
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// bool operator<=(const basic_string<charT,traits,Allocator>& lhs,
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// const basic_string<charT,traits,Allocator>& rhs);
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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(const S& lhs, const S& rhs, bool x)
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{
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assert((lhs <= rhs) == 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(""), true);
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test(S(""), S("abcde"), true);
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test(S(""), S("abcdefghij"), true);
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test(S(""), S("abcdefghijklmnopqrst"), true);
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test(S("abcde"), S(""), false);
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test(S("abcde"), S("abcde"), true);
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test(S("abcde"), S("abcdefghij"), true);
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test(S("abcde"), S("abcdefghijklmnopqrst"), true);
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test(S("abcdefghij"), S(""), false);
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test(S("abcdefghij"), S("abcde"), false);
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test(S("abcdefghij"), S("abcdefghij"), true);
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test(S("abcdefghij"), S("abcdefghijklmnopqrst"), true);
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test(S("abcdefghijklmnopqrst"), S(""), false);
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test(S("abcdefghijklmnopqrst"), S("abcde"), false);
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test(S("abcdefghijklmnopqrst"), S("abcdefghij"), false);
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test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), true);
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}
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