| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. 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); |
| } |