void testVariables()
{
CPPUNIT_ASSERT( input.have_variable("Section1/var1") );
Real var1 = input("Section1/var1", 1.0);
CPPUNIT_ASSERT_EQUAL( var1, Real(5));
CPPUNIT_ASSERT( input.have_variable("Section1/SubSection1/var2") );
std::string var2 = input("Section1/SubSection1/var2", "DIE!");
CPPUNIT_ASSERT_EQUAL( var2, std::string("blah") );
// This variable is commented out in the input file so we shouldn't find it.
CPPUNIT_ASSERT( !input.have_variable("Section2/var3") );
int var3 = input("Section2/var3", 314);
CPPUNIT_ASSERT_EQUAL( var3, 314 );
CPPUNIT_ASSERT( input.have_variable("Section2/Subsection2/var4") );
bool var4 = input("Section2/Subsection2/var4", true);
CPPUNIT_ASSERT_EQUAL( var4, false );
CPPUNIT_ASSERT( input.have_variable("Section2/Subsection2/Subsection3/var5") );
Real var5 = input("Section2/Subsection2/Subsection3/var5", 3.1415);
CPPUNIT_ASSERT_EQUAL( var5, Real(6.02e23));
CPPUNIT_ASSERT( input.have_variable("Section2/Subsection4/var6") );
unsigned int var6 = input("Section2/Subsection4/var6", 21);
CPPUNIT_ASSERT_EQUAL( var6, (unsigned int)42 );
// We didn't use Section3/unused_var so it should be a UFO
std::vector<std::string> ufos = input.unidentified_variables();
CPPUNIT_ASSERT_EQUAL( ufos.size(), (std::vector<std::string>::size_type)1 );
CPPUNIT_ASSERT_EQUAL( ufos[0], std::string("Section3/unused_var") );
}
void Runner::check_for_unused_vars( const GetPot& input, bool warning_only )
{
/* Everything should be set up now, so check if there's any unused variables
in the input file. If so, then tell the user what they were and error out. */
std::vector<std::string> unused_vars = input.unidentified_variables();
bool unused_vars_detected = false;
// String we use to check if there is a variable in the Materials section
std::string mat_string = "Materials/";
// If we do have unused variables, make sure they are in the Materials
// section since we're allowing those to be present and not used.
if( !unused_vars.empty() )
{
int n_total = unused_vars.size();
int n_mats = 0;
for( int v = 0; v < n_total; v++ )
if( (unused_vars[v]).find(mat_string) != std::string::npos )
n_mats += 1;
libmesh_assert_greater_equal( n_total, n_mats );
if( n_mats < n_total )
unused_vars_detected = true;
}
if( unused_vars_detected )
{
libMesh::err << "==========================================================" << std::endl;
if( warning_only )
libMesh::err << "Warning: ";
else
libMesh::err << "Error: ";
libMesh::err << "Found unused variables!" << std::endl;
for( std::vector<std::string>::const_iterator it = unused_vars.begin();
it != unused_vars.end(); ++it )
{
// Don't print out any unused Material variables, since we allow these
if( (*it).find(mat_string) != std::string::npos )
continue;
libMesh::err << *it << std::endl;
}
libMesh::err << "==========================================================" << std::endl;
if( !warning_only )
libmesh_error();
}
}
