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#include <Standard_StdAllocator.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Solid.hxx>
#include <BRepPrimAPI_MakeBox.hxx>
#include <list>
#include <vector>
#include <gtest/gtest.h>
TEST(Standard_StdAllocatorTestSuite, testTraits)
{
//type definitions
typedef Handle_Standard_Transient elem_type;
typedef Standard_StdAllocator<elem_type> allocator_type;
ASSERT_EQ(sizeof (allocator_type::value_type),sizeof (elem_type));
ASSERT_EQ(sizeof (allocator_type::pointer),sizeof (void*));
ASSERT_EQ(sizeof (allocator_type::const_pointer),sizeof (void*));
ASSERT_EQ(sizeof (allocator_type::size_type),sizeof (size_t));
ASSERT_EQ(sizeof (allocator_type::difference_type),sizeof (ptrdiff_t));
typedef int other_elem_type;
ASSERT_EQ(sizeof (allocator_type::rebind<other_elem_type>::other::value_type), sizeof (other_elem_type));
}
TEST(Standard_StdAllocatorTestSuite, testContainers)
{
//typed allocator
std::list<TopoDS_Shape, Standard_StdAllocator<TopoDS_Shape> > aL;
TopoDS_Solid aSolid = (TopoDS_Solid) BRepPrimAPI_MakeBox (10., 20., 30.);
aL.push_back (aSolid);
ASSERT_EQ(aL.size(), size_t (1));
//type cast
Standard_StdAllocator<char> aCAlloc;
std::vector<int, Standard_StdAllocator<int> > aV (aCAlloc);
aV.push_back(1);
ASSERT_EQ(aV.size(), size_t (1));
//using void-specialization allocator
std::vector<int, Standard_StdAllocator<void> > aV2;
aV2.resize(10);
aV2.push_back(-1);
ASSERT_EQ(aV2.size(), size_t (11));
}
int main(int argc, char **argv){
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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