 cc2e93cff0
			
		
	
	cc2e93cff0
	
	
	
		
			
			Fixes a small omission in libcxx that prevents libcxx being built when -DLIBCXX_ENABLE_EXCEPTIONS=0 is specified. This patch adds XFAILS to all those tests that are currently failing on the new -fno-exceptions library variant. Follow-up patches will update the tests (progressively) to cope with the new library variant. Change-Id: I4b801bd8d8e4fe7193df9e55f39f1f393a8ba81a git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@252598 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			119 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			119 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===----------------------------------------------------------------------===//
 | |
| //
 | |
| //                     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.
 | |
| //
 | |
| //===----------------------------------------------------------------------===//
 | |
| 
 | |
| // XFAIL: libcpp-no-exceptions
 | |
| // <string>
 | |
| 
 | |
| // void reserve(size_type res_arg=0);
 | |
| 
 | |
| #include <string>
 | |
| #include <stdexcept>
 | |
| #include <cassert>
 | |
| 
 | |
| #include "min_allocator.h"
 | |
| 
 | |
| template <class S>
 | |
| void
 | |
| test(S s)
 | |
| {
 | |
|     typename S::size_type old_cap = s.capacity();
 | |
|     S s0 = s;
 | |
|     s.reserve();
 | |
|     assert(s.__invariants());
 | |
|     assert(s == s0);
 | |
|     assert(s.capacity() <= old_cap);
 | |
|     assert(s.capacity() >= s.size());
 | |
| }
 | |
| 
 | |
| template <class S>
 | |
| void
 | |
| test(S s, typename S::size_type res_arg)
 | |
| {
 | |
|     typename S::size_type old_cap = s.capacity();
 | |
|     S s0 = s;
 | |
|     try
 | |
|     {
 | |
|         s.reserve(res_arg);
 | |
|         assert(res_arg <= s.max_size());
 | |
|         assert(s == s0);
 | |
|         assert(s.capacity() >= res_arg);
 | |
|         assert(s.capacity() >= s.size());
 | |
|     }
 | |
|     catch (std::length_error&)
 | |
|     {
 | |
|         assert(res_arg > s.max_size());
 | |
|     }
 | |
| }
 | |
| 
 | |
| int main()
 | |
| {
 | |
|     {
 | |
|     typedef std::string S;
 | |
|     {
 | |
|     S s;
 | |
|     test(s);
 | |
| 
 | |
|     s.assign(10, 'a');
 | |
|     s.erase(5);
 | |
|     test(s);
 | |
| 
 | |
|     s.assign(100, 'a');
 | |
|     s.erase(50);
 | |
|     test(s);
 | |
|     }
 | |
|     {
 | |
|     S s;
 | |
|     test(s, 5);
 | |
|     test(s, 10);
 | |
|     test(s, 50);
 | |
|     }
 | |
|     {
 | |
|     S s(100, 'a');
 | |
|     s.erase(50);
 | |
|     test(s, 5);
 | |
|     test(s, 10);
 | |
|     test(s, 50);
 | |
|     test(s, 100);
 | |
|     test(s, S::npos);
 | |
|     }
 | |
|     }
 | |
| #if __cplusplus >= 201103L
 | |
|     {
 | |
|     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
 | |
|     {
 | |
|     S s;
 | |
|     test(s);
 | |
| 
 | |
|     s.assign(10, 'a');
 | |
|     s.erase(5);
 | |
|     test(s);
 | |
| 
 | |
|     s.assign(100, 'a');
 | |
|     s.erase(50);
 | |
|     test(s);
 | |
|     }
 | |
|     {
 | |
|     S s;
 | |
|     test(s, 5);
 | |
|     test(s, 10);
 | |
|     test(s, 50);
 | |
|     }
 | |
|     {
 | |
|     S s(100, 'a');
 | |
|     s.erase(50);
 | |
|     test(s, 5);
 | |
|     test(s, 10);
 | |
|     test(s, 50);
 | |
|     test(s, 100);
 | |
|     test(s, S::npos);
 | |
|     }
 | |
|     }
 | |
| #endif
 | |
| }
 |