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Viewing changes to libcxx/test/language.support/support.dynamic/new.delete/new.delete.single/new_nothrow_replace.pass.cpp

  • Committer: Package Import Robot
  • Author(s): Andrej Belym
  • Date: 2012-06-02 19:25:47 UTC
  • Revision ID: package-import@ubuntu.com-20120602192547-b6ta950a8ckc9um2
Tags: upstream-1.0~svn160132
Import upstream version 1.0~svn160132

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libcxx/test/language.support/support.dynamic/new.delete/new.delete.single/new_nothrow_replace.pass.cpp
 
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//===----------------------------------------------------------------------===//
 
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//
 
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//                     The LLVM Compiler Infrastructure
 
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//
 
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// This file is dual licensed under the MIT and the University of Illinois Open
 
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// Source Licenses. See LICENSE.TXT for details.
 
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//
 
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//===----------------------------------------------------------------------===//
 
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 // test operator new nothrow by replacing only operator new
 
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#include <new>
 
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#include <cstddef>
 
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#include <cstdlib>
 
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#include <cassert>
 
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#include <limits>
 
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int new_called = 0;
 
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void* operator new(std::size_t s) throw(std::bad_alloc)
 
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{
 
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    ++new_called;
 
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    return std::malloc(s);
 
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}
 
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void  operator delete(void* p) throw()
 
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{
 
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    --new_called;
 
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    std::free(p);
 
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}
 
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bool A_constructed = false;
 
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struct A
 
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{
 
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    A() {A_constructed = true;}
 
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    ~A() {A_constructed = false;}
 
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};
 
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int main()
 
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{
 
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    A* ap = new (std::nothrow) A;
 
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    assert(ap);
 
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    assert(A_constructed);
 
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    assert(new_called);
 
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    delete ap;
 
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    assert(!A_constructed);
 
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    assert(!new_called);
 
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}