f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <string>
|
|
|
|
// size_type rfind(charT c, size_type pos = npos) const;
|
|
|
|
#include <string>
|
|
#include <cassert>
|
|
|
|
template <class S>
|
|
void
|
|
test(const S& s, typename S::value_type c, typename S::size_type pos,
|
|
typename S::size_type x)
|
|
{
|
|
assert(s.rfind(c, pos) == x);
|
|
if (x != S::npos)
|
|
assert(x <= pos && x + 1 <= s.size());
|
|
}
|
|
|
|
template <class S>
|
|
void
|
|
test(const S& s, typename S::value_type c, typename S::size_type x)
|
|
{
|
|
assert(s.rfind(c) == x);
|
|
if (x != S::npos)
|
|
assert(x + 1 <= s.size());
|
|
}
|
|
|
|
typedef std::string S;
|
|
|
|
int main()
|
|
{
|
|
test(S(""), 'b', 0, S::npos);
|
|
test(S(""), 'b', 1, S::npos);
|
|
test(S("abcde"), 'b', 0, S::npos);
|
|
test(S("abcde"), 'b', 1, 1);
|
|
test(S("abcde"), 'b', 2, 1);
|
|
test(S("abcde"), 'b', 4, 1);
|
|
test(S("abcde"), 'b', 5, 1);
|
|
test(S("abcde"), 'b', 6, 1);
|
|
test(S("abcdeabcde"), 'b', 0, S::npos);
|
|
test(S("abcdeabcde"), 'b', 1, 1);
|
|
test(S("abcdeabcde"), 'b', 5, 1);
|
|
test(S("abcdeabcde"), 'b', 9, 6);
|
|
test(S("abcdeabcde"), 'b', 10, 6);
|
|
test(S("abcdeabcde"), 'b', 11, 6);
|
|
test(S("abcdeabcdeabcdeabcde"), 'b', 0, S::npos);
|
|
test(S("abcdeabcdeabcdeabcde"), 'b', 1, 1);
|
|
test(S("abcdeabcdeabcdeabcde"), 'b', 10, 6);
|
|
test(S("abcdeabcdeabcdeabcde"), 'b', 19, 16);
|
|
test(S("abcdeabcdeabcdeabcde"), 'b', 20, 16);
|
|
test(S("abcdeabcdeabcdeabcde"), 'b', 21, 16);
|
|
|
|
test(S(""), 'b', S::npos);
|
|
test(S("abcde"), 'b', 1);
|
|
test(S("abcdeabcde"), 'b', 6);
|
|
test(S("abcdeabcdeabcdeabcde"), 'b', 16);
|
|
}
|