1 files changed, 64 insertions, 0 deletions
diff --git a/test/rvalue_types.cpp b/test/rvalue_types.cpp
new file mode 100644
index 000000000..8887f1b1b
--- /dev/null
+++ b/test/rvalue_types.cpp
@@ -0,0 +1,64 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2013 Hauke Heibel <hauke.heibel@gmail.com>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include "main.h"
+
+#include <Eigen/Core>
+
+using internal::UIntPtr;
+
+#if EIGEN_HAS_RVALUE_REFERENCES
+template <typename MatrixType>
+void rvalue_copyassign(const MatrixType& m)
+{
+
+  typedef typename internal::traits<MatrixType>::Scalar Scalar;
+  
+  // create a temporary which we are about to destroy by moving
+  MatrixType tmp = m;
+  UIntPtr src_address = reinterpret_cast<UIntPtr>(tmp.data());
+  
+  // move the temporary to n
+  MatrixType n = std::move(tmp);
+  UIntPtr dst_address = reinterpret_cast<UIntPtr>(n.data());
+
+  if (MatrixType::RowsAtCompileTime==Dynamic|| MatrixType::ColsAtCompileTime==Dynamic)
+  {
+    // verify that we actually moved the guts
+    VERIFY_IS_EQUAL(src_address, dst_address);
+  }
+
+  // verify that the content did not change
+  Scalar abs_diff = (m-n).array().abs().sum();
+  VERIFY_IS_EQUAL(abs_diff, Scalar(0));
+}
+#else
+template <typename MatrixType>
+void rvalue_copyassign(const MatrixType&) {}
+#endif
+
+void test_rvalue_types()
+{
+  CALL_SUBTEST_1(rvalue_copyassign( MatrixXf::Random(50,50).eval() ));
+  CALL_SUBTEST_1(rvalue_copyassign( ArrayXXf::Random(50,50).eval() ));
+
+  CALL_SUBTEST_1(rvalue_copyassign( Matrix<float,1,Dynamic>::Random(50).eval() ));
+  CALL_SUBTEST_1(rvalue_copyassign( Array<float,1,Dynamic>::Random(50).eval() ));
+
+  CALL_SUBTEST_1(rvalue_copyassign( Matrix<float,Dynamic,1>::Random(50).eval() ));
+  CALL_SUBTEST_1(rvalue_copyassign( Array<float,Dynamic,1>::Random(50).eval() ));
+  
+  CALL_SUBTEST_2(rvalue_copyassign( Array<float,2,1>::Random().eval() ));
+  CALL_SUBTEST_2(rvalue_copyassign( Array<float,3,1>::Random().eval() ));
+  CALL_SUBTEST_2(rvalue_copyassign( Array<float,4,1>::Random().eval() ));
+
+  CALL_SUBTEST_2(rvalue_copyassign( Array<float,2,2>::Random().eval() ));
+  CALL_SUBTEST_2(rvalue_copyassign( Array<float,3,3>::Random().eval() ));
+  CALL_SUBTEST_2(rvalue_copyassign( Array<float,4,4>::Random().eval() ));
+}