cxx11_maxsizevector.cpp (1839B)
1 #include "main.h" 2 3 #include <exception> // std::exception 4 5 #include <unsupported/Eigen/CXX11/Tensor> 6 7 struct Foo 8 { 9 static Index object_count; 10 static Index object_limit; 11 EIGEN_ALIGN_TO_BOUNDARY(128) int dummy; 12 13 Foo(int x=0) : dummy(x) 14 { 15 #ifdef EIGEN_EXCEPTIONS 16 // TODO: Is this the correct way to handle this? 17 if (Foo::object_count > Foo::object_limit) { std::cout << "\nThrow!\n"; throw Foo::Fail(); } 18 #endif 19 std::cout << '+'; 20 ++Foo::object_count; 21 eigen_assert((internal::UIntPtr(this) & (127)) == 0); 22 } 23 Foo(const Foo&) 24 { 25 std::cout << 'c'; 26 ++Foo::object_count; 27 eigen_assert((internal::UIntPtr(this) & (127)) == 0); 28 } 29 30 ~Foo() 31 { 32 std::cout << '~'; 33 --Foo::object_count; 34 } 35 36 class Fail : public std::exception {}; 37 }; 38 39 Index Foo::object_count = 0; 40 Index Foo::object_limit = 0; 41 42 43 44 EIGEN_DECLARE_TEST(cxx11_maxsizevector) 45 { 46 typedef MaxSizeVector<Foo> VectorX; 47 Foo::object_count = 0; 48 for(int r = 0; r < g_repeat; r++) { 49 Index rows = internal::random<Index>(3,30); 50 Foo::object_limit = internal::random<Index>(0, rows - 2); 51 std::cout << "object_limit = " << Foo::object_limit << std::endl; 52 bool exception_raised = false; 53 #ifdef EIGEN_EXCEPTIONS 54 try 55 { 56 #endif 57 std::cout << "\nVectorX m(" << rows << ");\n"; 58 VectorX vect(rows); 59 for(int i=0; i<rows; ++i) 60 vect.push_back(Foo()); 61 #ifdef EIGEN_EXCEPTIONS 62 VERIFY(false); // not reached if exceptions are enabled 63 } 64 catch (const Foo::Fail&) { exception_raised = true; } 65 VERIFY(exception_raised); 66 #endif 67 VERIFY_IS_EQUAL(Index(0), Foo::object_count); 68 69 { 70 Foo::object_limit = rows+1; 71 VectorX vect2(rows, Foo()); 72 VERIFY_IS_EQUAL(Foo::object_count, rows); 73 } 74 VERIFY_IS_EQUAL(Index(0), Foo::object_count); 75 std::cout << '\n'; 76 } 77 }