 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
		
			
				
	
	
		
			75 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			1.7 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>
 | |
| 
 | |
| // size_type max_size() const;
 | |
| 
 | |
| // NOTE: asan and msan will fail for one of two reasons
 | |
| // 1. If allocator_may_return_null=0 then they will fail because the allocation
 | |
| //    returns null.
 | |
| // 2. If allocator_may_return_null=1 then they will fail because the allocation
 | |
| //    is too large to succeed.
 | |
| // UNSUPPORTED: sanitizer-new-delete
 | |
| 
 | |
| #include <string>
 | |
| #include <cassert>
 | |
| 
 | |
| #include "min_allocator.h"
 | |
| 
 | |
| template <class S>
 | |
| void
 | |
| test1(const S& s)
 | |
| {
 | |
|     S s2(s);
 | |
|     const size_t sz = s2.max_size() - 1;
 | |
|     try { s2.resize(sz, 'x'); }
 | |
|     catch ( const std::bad_alloc & ) { return ; }
 | |
|     assert ( s2.size() ==  sz );
 | |
| }
 | |
| 
 | |
| template <class S>
 | |
| void
 | |
| test2(const S& s)
 | |
| {
 | |
|     S s2(s);
 | |
|     const size_t sz = s2.max_size();
 | |
|     try { s2.resize(sz, 'x'); }
 | |
|     catch ( const std::bad_alloc & ) { return ; }
 | |
|     assert ( s.size() ==  sz );
 | |
| }
 | |
| 
 | |
| template <class S>
 | |
| void
 | |
| test(const S& s)
 | |
| {
 | |
|     assert(s.max_size() >= s.size());
 | |
|     test1(s);
 | |
|     test2(s);
 | |
| }
 | |
| 
 | |
| int main()
 | |
| {
 | |
|     {
 | |
|     typedef std::string S;
 | |
|     test(S());
 | |
|     test(S("123"));
 | |
|     test(S("12345678901234567890123456789012345678901234567890"));
 | |
|     }
 | |
| #if __cplusplus >= 201103L
 | |
|     {
 | |
|     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
 | |
|     test(S());
 | |
|     test(S("123"));
 | |
|     test(S("12345678901234567890123456789012345678901234567890"));
 | |
|     }
 | |
| #endif
 | |
| }
 |