From 3eb74cf9fc45eac47160da1ff96d4f4083ccce7d Mon Sep 17 00:00:00 2001 From: Benoit Jacob Date: Tue, 1 Feb 2011 07:51:55 -0500 Subject: forgot hg add --- test/zerosized.cpp | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 test/zerosized.cpp (limited to 'test/zerosized.cpp') diff --git a/test/zerosized.cpp b/test/zerosized.cpp new file mode 100644 index 000000000..a50922fdc --- /dev/null +++ b/test/zerosized.cpp @@ -0,0 +1,69 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. +// +// Copyright (C) 2011 Benoit Jacob +// +// Eigen is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 3 of the License, or (at your option) any later version. +// +// Alternatively, you can redistribute it and/or +// modify it under the terms of the GNU General Public License as +// published by the Free Software Foundation; either version 2 of +// the License, or (at your option) any later version. +// +// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY +// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License and a copy of the GNU General Public License along with +// Eigen. If not, see . + +#include "main.h" + +template void zeroSizedMatrix() +{ + MatrixType t1; + + if (MatrixType::SizeAtCompileTime == Dynamic) + { + if (MatrixType::RowsAtCompileTime == Dynamic) + VERIFY(t1.rows() == 0); + if (MatrixType::ColsAtCompileTime == Dynamic) + VERIFY(t1.cols() == 0); + + if (MatrixType::RowsAtCompileTime == Dynamic && MatrixType::ColsAtCompileTime == Dynamic) + { + MatrixType t2(0, 0); + VERIFY(t2.rows() == 0); + VERIFY(t2.cols() == 0); + } + } +} + +template void zeroSizedVector() +{ + VectorType t1; + + if (VectorType::SizeAtCompileTime == Dynamic) + { + VERIFY(t1.size() == 0); + VectorType t2(long(0)); // long disambiguates with 0-the-null-pointer (error with gcc 4.4) + VERIFY(t2.size() == 0); + } +} + +void test_zerosized() +{ + zeroSizedMatrix(); + zeroSizedMatrix(); + zeroSizedMatrix >(); + zeroSizedMatrix(); + + zeroSizedVector(); + zeroSizedVector(); + zeroSizedVector(); +} -- cgit v1.2.3