| //===----------------------------------------------------------------------===// |
| // |
| // 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> |
| |
| // void resize(size_type n); |
| |
| #include <string> |
| #include <stdexcept> |
| #include <cassert> |
| |
| template <class S> |
| void |
| test(S s, typename S::size_type n, S expected) |
| { |
| try |
| { |
| s.resize(n); |
| assert(s.__invariants()); |
| assert(n <= s.max_size()); |
| assert(s == expected); |
| } |
| catch (std::length_error&) |
| { |
| assert(n > s.max_size()); |
| } |
| } |
| |
| int main() |
| { |
| typedef std::string S; |
| test(S(), 0, S()); |
| test(S(), 1, S(1, '\0')); |
| test(S(), 10, S(10, '\0')); |
| test(S(), 100, S(100, '\0')); |
| test(S("12345"), 0, S()); |
| test(S("12345"), 2, S("12")); |
| test(S("12345"), 5, S("12345")); |
| test(S("12345"), 15, S("12345\0\0\0\0\0\0\0\0\0\0", 15)); |
| test(S("12345678901234567890123456789012345678901234567890"), 0, S()); |
| test(S("12345678901234567890123456789012345678901234567890"), 10, |
| S("1234567890")); |
| test(S("12345678901234567890123456789012345678901234567890"), 50, |
| S("12345678901234567890123456789012345678901234567890")); |
| test(S("12345678901234567890123456789012345678901234567890"), 60, |
| S("12345678901234567890123456789012345678901234567890\0\0\0\0\0\0\0\0\0\0", 60)); |
| test(S(), S::npos, S("not going to happen")); |
| } |