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quick_allocator supports dealloc(nullptr)

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This commit is contained in:
Peter Dimov
2025-10-24 19:11:54 +03:00
parent 85c2a6ea74
commit 81318213a6
1 changed files with 16 additions and 0 deletions
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16
test/quick_allocator_test.cpp
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@@ -15,6 +15,7 @@
// static void* alloc();
//
// // deallocate the memory returned from alloc()
// // if p == 0, no effect
// static void dealloc( void* p );
//
// // if n == sizeof(T), returns alloc()
@@ -22,6 +23,7 @@
// static void* alloc( std::size_t n );
//
// // deallocate the memory returned from alloc( n )
// // if p == 0, no effect
// static void dealloc( void* p, std::size_t n );
// };
@@ -53,6 +55,10 @@ int main()
BOOST_TEST_EQ( *static_cast<unsigned char*>( p1 ), 0xCC );
BOOST_TEST_EQ( *static_cast<unsigned char*>( p2 ), 0xDD );
quick_allocator<X>::dealloc( 0 );
BOOST_TEST_EQ( *static_cast<unsigned char*>( p1 ), 0xCC );
BOOST_TEST_EQ( *static_cast<unsigned char*>( p2 ), 0xDD );
quick_allocator<X>::dealloc( p1 );
BOOST_TEST_EQ( *static_cast<unsigned char*>( p2 ), 0xDD );
@@ -70,12 +76,22 @@ int main()
BOOST_TEST_EQ( *static_cast<unsigned char*>( p1 ), 0xCC );
BOOST_TEST_EQ( *static_cast<unsigned char*>( p2 ), 0xDD );
quick_allocator<X>::dealloc( 0, sizeof(X) );
BOOST_TEST_EQ( *static_cast<unsigned char*>( p1 ), 0xCC );
BOOST_TEST_EQ( *static_cast<unsigned char*>( p2 ), 0xDD );
quick_allocator<X>::dealloc( p1, sizeof(X) );
BOOST_TEST_EQ( *static_cast<unsigned char*>( p2 ), 0xDD );
quick_allocator<X>::dealloc( 0, sizeof(Y) );
BOOST_TEST_EQ( *static_cast<unsigned char*>( p2 ), 0xDD );
quick_allocator<X>::dealloc( p2, sizeof(Y) );
}
BOOST_TEST_EQ( *static_cast<unsigned char*>( p ), 0xAA );
quick_allocator<Y>::dealloc( 0 );
BOOST_TEST_EQ( *static_cast<unsigned char*>( p ), 0xAA );
quick_allocator<Y>::dealloc( p );