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author | Christoph Hertzberg <chtz@informatik.uni-bremen.de> | 2018-09-14 20:21:56 +0200 |
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committer | Christoph Hertzberg <chtz@informatik.uni-bremen.de> | 2018-09-14 20:21:56 +0200 |
commit | 007f165c69f521af0a215c3739c16822e6e2abca (patch) | |
tree | b2f5c7d201c2a28288f8dda092c6ef64601c20bb /unsupported/test/cxx11_maxsizevector.cpp | |
parent | d7378aae8e87f85fcf825bf3a04501a16aca4780 (diff) |
bug #1598: Let MaxSizeVector respect alignment of objects and add a unit test
Also revert 8b3d9ed081fc5d4870290649853b19cb5179546e
Diffstat (limited to 'unsupported/test/cxx11_maxsizevector.cpp')
-rw-r--r-- | unsupported/test/cxx11_maxsizevector.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/unsupported/test/cxx11_maxsizevector.cpp b/unsupported/test/cxx11_maxsizevector.cpp new file mode 100644 index 000000000..46b689a8e --- /dev/null +++ b/unsupported/test/cxx11_maxsizevector.cpp @@ -0,0 +1,77 @@ +#include "main.h" + +#include <exception> // std::exception + +#include <unsupported/Eigen/CXX11/Tensor> + +struct Foo +{ + static Index object_count; + static Index object_limit; + EIGEN_ALIGN_TO_BOUNDARY(128) int dummy; + + Foo(int x=0) : dummy(x) + { +#ifdef EIGEN_EXCEPTIONS + // TODO: Is this the correct way to handle this? + if (Foo::object_count > Foo::object_limit) { std::cout << "\nThrow!\n"; throw Foo::Fail(); } +#endif + std::cout << '+'; + ++Foo::object_count; + eigen_assert((internal::UIntPtr(this) & (127)) == 0); + } + Foo(const Foo&) + { + std::cout << 'c'; + ++Foo::object_count; + eigen_assert((internal::UIntPtr(this) & (127)) == 0); + } + + ~Foo() + { + std::cout << '~'; + --Foo::object_count; + } + + class Fail : public std::exception {}; +}; + +Index Foo::object_count = 0; +Index Foo::object_limit = 0; + + + +EIGEN_DECLARE_TEST(cxx11_maxsizevector) +{ + typedef MaxSizeVector<Foo> VectorX; + Foo::object_count = 0; + for(int r = 0; r < g_repeat; r++) { + Index rows = internal::random<Index>(3,30); + Foo::object_limit = internal::random<Index>(0, rows - 2); + std::cout << "object_limit = " << Foo::object_limit << std::endl; + bool exception_raised = false; +#ifdef EIGEN_EXCEPTIONS + try + { +#endif + std::cout << "\nVectorX m(" << rows << ");\n"; + VectorX vect(rows); + for(int i=0; i<rows; ++i) + vect.push_back(Foo()); +#ifdef EIGEN_EXCEPTIONS + VERIFY(false); // not reached if exceptions are enabled + } + catch (const Foo::Fail&) { exception_raised = true; } + VERIFY(exception_raised); +#endif + VERIFY_IS_EQUAL(Index(0), Foo::object_count); + + { + Foo::object_limit = rows+1; + VectorX vect2(rows, Foo()); + VERIFY_IS_EQUAL(Foo::object_count, rows); + } + VERIFY_IS_EQUAL(Index(0), Foo::object_count); + std::cout << '\n'; + } +} |