4bd6cc9f30
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103906 91177308-0d34-0410-b5e6-96231b3b80d8
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <string>
|
|
|
|
// int compare(const charT *s) const;
|
|
|
|
#include <string>
|
|
#include <cassert>
|
|
|
|
int sign(int x)
|
|
{
|
|
if (x == 0)
|
|
return 0;
|
|
if (x < 0)
|
|
return -1;
|
|
return 1;
|
|
}
|
|
|
|
template <class S>
|
|
void
|
|
test(const S& s, const typename S::value_type* str, int x)
|
|
{
|
|
assert(sign(s.compare(str)) == sign(x));
|
|
}
|
|
|
|
typedef std::string S;
|
|
|
|
int main()
|
|
{
|
|
test(S(""), "", 0);
|
|
test(S(""), "abcde", -5);
|
|
test(S(""), "abcdefghij", -10);
|
|
test(S(""), "abcdefghijklmnopqrst", -20);
|
|
test(S("abcde"), "", 5);
|
|
test(S("abcde"), "abcde", 0);
|
|
test(S("abcde"), "abcdefghij", -5);
|
|
test(S("abcde"), "abcdefghijklmnopqrst", -15);
|
|
test(S("abcdefghij"), "", 10);
|
|
test(S("abcdefghij"), "abcde", 5);
|
|
test(S("abcdefghij"), "abcdefghij", 0);
|
|
test(S("abcdefghij"), "abcdefghijklmnopqrst", -10);
|
|
test(S("abcdefghijklmnopqrst"), "", 20);
|
|
test(S("abcdefghijklmnopqrst"), "abcde", 15);
|
|
test(S("abcdefghijklmnopqrst"), "abcdefghij", 10);
|
|
test(S("abcdefghijklmnopqrst"), "abcdefghijklmnopqrst", 0);
|
|
}
|