text: ///////////////////////////////////////////////////////////////////////////
  //
  // Copyright (c) DreamWorks Animation LLC
  //
  // All rights reserved. This software is distributed under the
  // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
  //
  // Redistributions of source code must retain the above copyright
  // and license notice and the following restrictions and disclaimer.
  //
  // *     Neither the name of DreamWorks Animation nor the names of
  // its contributors may be used to endorse or promote products derived
  // from this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  // IN NO EVENT SHALL THE COPYRIGHT HOLDERS' AND CONTRIBUTORS' AGGREGATE
  // LIABILITY FOR ALL CLAIMS REGARDLESS OF THEIR BASIS EXCEED US$250.00.
  //
  ///////////////////////////////////////////////////////////////////////////
  
  #include <cppunit/extensions/HelperMacros.h>
  #include <openvdb/Exceptions.h>
  #include <openvdb/Metadata.h>
  
  class TestDoubleMetadata : public CppUnit::TestCase
  {
  public:
      CPPUNIT_TEST_SUITE(TestDoubleMetadata);
      CPPUNIT_TEST(test);
      CPPUNIT_TEST_SUITE_END();
  
      void test();
  };
  
  CPPUNIT_TEST_SUITE_REGISTRATION(TestDoubleMetadata);
  
  void
  TestDoubleMetadata::test()
  {
      using namespace openvdb;
  
      Metadata::Ptr m(new DoubleMetadata(1.23));
      Metadata::Ptr m2 = m->copy();
  
      CPPUNIT_ASSERT(dynamic_cast<DoubleMetadata*>(m.get()) != 0);
      CPPUNIT_ASSERT(dynamic_cast<DoubleMetadata*>(m2.get()) != 0);
  
      CPPUNIT_ASSERT(m->typeName().compare("double") == 0);
      CPPUNIT_ASSERT(m2->typeName().compare("double") == 0);
  
      DoubleMetadata *s = dynamic_cast<DoubleMetadata*>(m.get());
      //CPPUNIT_ASSERT(s->value() == 1.23);
      CPPUNIT_ASSERT_DOUBLES_EQUAL(1.23,s->value(),0);
      s->value() = 4.56;
      //CPPUNIT_ASSERT(s->value() == 4.56);
      CPPUNIT_ASSERT_DOUBLES_EQUAL(4.56,s->value(),0);
  
      m2->copy(*s);
  
      s = dynamic_cast<DoubleMetadata*>(m2.get());
      //CPPUNIT_ASSERT(s->value() == 4.56);
      CPPUNIT_ASSERT_DOUBLES_EQUAL(4.56,s->value(),0);
  }
  
  // Copyright (c) DreamWorks Animation LLC
  // All rights reserved. This software is distributed under the
  // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
  