1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03 11 // UNSUPPORTED: libcpp-no-exceptions 12 13 // <experimental/filesystem> 14 15 // class path 16 17 #define _LIBCPP_DEBUG 0 18 #define _LIBCPP_ASSERT(cond, msg) ((cond) ? ((void)0) : throw 42) 19 20 #include <experimental/filesystem> 21 #include <iterator> 22 #include <type_traits> 23 #include <cassert> 24 25 #include "test_macros.h" 26 #include "filesystem_test_helper.hpp" 27 28 namespace fs = std::experimental::filesystem; 29 30 int main() { 31 using namespace fs; 32 // Test incrementing/decrementing a singular iterator 33 { 34 path::iterator singular; 35 try { 36 ++singular; 37 assert(false); 38 } catch (int) {} 39 try { 40 --singular; 41 assert(false); 42 } catch (int) {} 43 } 44 // Test decrementing the begin iterator 45 { 46 path p("foo/bar"); 47 auto it = p.begin(); 48 try { 49 --it; 50 assert(false); 51 } catch (int) {} 52 ++it; 53 ++it; 54 try { 55 ++it; 56 assert(false); 57 } catch (int) {} 58 } 59 // Test incrementing the end iterator 60 { 61 path p("foo/bar"); 62 auto it = p.end(); 63 try { 64 ++it; 65 assert(false); 66 } catch (int) {} 67 --it; 68 --it; 69 try { 70 --it; 71 assert(false); 72 } catch (int) {} 73 } 74 }
