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, c++11, c++14 11 12 // XFAIL: with_system_cxx_lib=macosx10.12 13 // XFAIL: with_system_cxx_lib=macosx10.11 14 // XFAIL: with_system_cxx_lib=macosx10.10 15 // XFAIL: with_system_cxx_lib=macosx10.9 16 // XFAIL: with_system_cxx_lib=macosx10.7 17 // XFAIL: with_system_cxx_lib=macosx10.8 18 19 // asan and msan will not call the new handler. 20 // UNSUPPORTED: sanitizer-new-delete 21 22 // FIXME turn this into an XFAIL 23 // UNSUPPORTED: no-aligned-allocation && !gcc 24 25 // On Windows libc++ doesn't provide its own definitions for new/delete 26 // but instead depends on the ones in VCRuntime. However VCRuntime does not 27 // yet provide aligned new/delete definitions so this test fails to compile/link. 28 // XFAIL: LIBCXX-WINDOWS-FIXME 29 30 // test operator new (nothrow) 31 32 #include <new> 33 #include <cstddef> 34 #include <cstdint> 35 #include <cassert> 36 #include <limits> 37 38 #include "test_macros.h" 39 40 constexpr auto OverAligned = alignof(std::max_align_t) * 2; 41 42 int new_handler_called = 0; 43 44 void my_new_handler() 45 { 46 ++new_handler_called; 47 std::set_new_handler(0); 48 } 49 50 bool A_constructed = false; 51 52 struct alignas(OverAligned) A 53 { 54 A() {A_constructed = true;} 55 ~A() {A_constructed = false;} 56 }; 57 58 void test_max_alloc() { 59 std::set_new_handler(my_new_handler); 60 auto do_test = []() { 61 void* vp = operator new (std::numeric_limits<std::size_t>::max(), 62 std::align_val_t(OverAligned), 63 std::nothrow); 64 assert(new_handler_called == 1); 65 assert(vp == 0); 66 }; 67 #ifndef TEST_HAS_NO_EXCEPTIONS 68 try 69 { 70 do_test(); 71 } 72 catch (...) 73 { 74 assert(false); 75 } 76 #else 77 do_test(); 78 #endif 79 } 80 81 int main() 82 { 83 { 84 A* ap = new(std::nothrow) A; 85 assert(ap); 86 assert(reinterpret_cast<std::uintptr_t>(ap) % OverAligned == 0); 87 assert(A_constructed); 88 delete ap; 89 assert(!A_constructed); 90 } 91 { 92 test_max_alloc(); 93 } 94 } 95
