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: libcpp-no-exceptions 11 // <memory> 12 13 // allocator: 14 // pointer allocate(size_type n, allocator<void>::const_pointer hint=0); 15 16 #include <memory> 17 #include <cassert> 18 19 #include "test_macros.h" 20 21 template <typename T> 22 void test_max(size_t count) 23 { 24 std::allocator<T> a; 25 try { 26 TEST_IGNORE_NODISCARD a.allocate(count); 27 assert(false); 28 } catch (const std::exception &) { 29 } 30 } 31 32 template <typename T> 33 void test() 34 { 35 // Bug 26812 -- allocating too large 36 std::allocator<T> a; 37 test_max<T> (a.max_size() + 1); // just barely too large 38 test_max<T> (a.max_size() * 2); // significantly too large 39 test_max<T> (((size_t) -1) / sizeof(T) + 1); // multiply will overflow 40 test_max<T> ((size_t) -1); // way too large 41 } 42 43 int main() 44 { 45 test<double>(); 46 LIBCPP_ONLY(test<const double>()); 47 } 48
