test_EquationDependencyParser.h

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template <int dim,typename T>
bool unitTest<dim,T>::test_EquationDependencyParser_variables_and_residuals_needed(){
    char buffer[100];

    std::cout << "\nTesting 'EquationDependencyParser'... " << std::endl;
    bool pass = true;


    // Declare all of the variables that go into the function call
    std::vector<std::string> sorted_dependencies_value_RHS, sorted_dependencies_gradient_RHS, sorted_dependencies_value_LHS, sorted_dependencies_gradient_LHS;

    // Populate the variable names and equation types
    std::vector<std::string> var_name;
    var_name.push_back("a");
    var_name.push_back("bc");

    std::vector<PDEType> var_eq_type;
    var_eq_type.push_back(EXPLICIT_TIME_DEPENDENT);
    var_eq_type.push_back(TIME_INDEPENDENT);


    // Populate the dependency strings
    sorted_dependencies_value_RHS.push_back("a, grad(a), bc");
    sorted_dependencies_value_RHS.push_back("hess(a),grad(bc)");

    sorted_dependencies_gradient_RHS.push_back("grad(bc), bc");
    sorted_dependencies_gradient_RHS.push_back("a,grad(bc)");

    sorted_dependencies_value_LHS.push_back("");
    sorted_dependencies_value_LHS.push_back("change(bc),grad(bc),grad(change(bc))");

    sorted_dependencies_gradient_LHS.push_back("");
    sorted_dependencies_gradient_LHS.push_back("bc");

    std::vector<bool> var_nonlinear;

    EquationDependencyParser equation_dependency_parser;

    equation_dependency_parser.parse(
            var_name,
            var_eq_type,
            sorted_dependencies_value_RHS,
            sorted_dependencies_gradient_RHS,
            sorted_dependencies_value_LHS,
            sorted_dependencies_gradient_LHS,
            var_nonlinear);

    // Check that the boolean vectors were generated correctly
    bool result;
    unsigned int subtest_index = 0;

    // Check need_value_explicit_RHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_value_explicit_RHS.size() == 2){
        if (equation_dependency_parser.need_value_explicit_RHS[0] == true && equation_dependency_parser.need_value_explicit_RHS[1] == true){
            result = true;
        }
    }
    std::cout << "Subtest " << subtest_index << " result for 'need_value_explicit_RHS': " << result << std::endl;
    pass = pass && result;

    // Check need_gradient_explicit_RHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_value_explicit_RHS.size() == 2){
        if (equation_dependency_parser.need_gradient_explicit_RHS[0] == true && equation_dependency_parser.need_gradient_explicit_RHS[1] == true){
            result = true;
        }
    }

    std::cout << "Subtest " << subtest_index << " result for 'need_gradient_explicit_RHS': " << result << std::endl;
    pass = pass && result;

    // Check need_hessian_explicit_RHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_value_explicit_RHS.size() == 2){
        if (equation_dependency_parser.need_hessian_explicit_RHS[0] == false && equation_dependency_parser.need_hessian_explicit_RHS[1] == false){
            result = true;
        }
    }

    std::cout << "Subtest " << subtest_index << " result for 'need_hessian_explicit_RHS': " << result << std::endl;
    pass = pass && result;

    // Check need_value_nonexplicit_RHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_value_nonexplicit_RHS.size() == 2){
        if (equation_dependency_parser.need_value_nonexplicit_RHS[0] == true && equation_dependency_parser.need_value_nonexplicit_RHS[1] == false){
            result = true;
        }
    }

    std::cout << "Subtest " << subtest_index << " result for 'need_value_nonexplicit_RHS': " << result << std::endl;
    pass = pass && result;

    // Check need_gradient_nonexplicit_RHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_gradient_nonexplicit_RHS.size() == 2){
        if (equation_dependency_parser.need_gradient_nonexplicit_RHS[0] == false && equation_dependency_parser.need_gradient_nonexplicit_RHS[1] == true){
            result = true;
        }
    }

    std::cout << "Subtest " << subtest_index << " result for 'need_gradient_nonexplicit_RHS': " << result << std::endl;
    pass = pass && result;

    // Check need_hessian_nonexplicit_RHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_hessian_nonexplicit_RHS.size() == 2){
        if (equation_dependency_parser.need_hessian_nonexplicit_RHS[0] == true && equation_dependency_parser.need_hessian_nonexplicit_RHS[1] == false){
            result = true;
        }
    }

    std::cout << "Subtest " << subtest_index << " result for 'need_hessian_nonexplicit_RHS': " << result << std::endl;
    pass = pass && result;

    // Check need_value_nonexplicit_LHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_value_nonexplicit_LHS.size() == 2){
        if (equation_dependency_parser.need_value_nonexplicit_LHS[0] == false && equation_dependency_parser.need_value_nonexplicit_LHS[1] == true){
            result = true;
        }
    }

    std::cout << "Subtest " << subtest_index << " result for 'need_value_nonexplicit_LHS': " << result << std::endl;
    pass = pass && result;

    // Check need_gradient_nonexplicit_LHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_gradient_nonexplicit_LHS.size() == 2){
        if (equation_dependency_parser.need_gradient_nonexplicit_LHS[0] == false && equation_dependency_parser.need_gradient_nonexplicit_LHS[1] == true){
            result = true;
        }
    }

    std::cout << "Subtest " << subtest_index << " result for 'need_gradient_nonexplicit_LHS': " << result << std::endl;
    pass = pass && result;

    // Check need_hessian_nonexplicit_LHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_hessian_nonexplicit_LHS.size() == 2){
        if (equation_dependency_parser.need_hessian_nonexplicit_LHS[0] == false && equation_dependency_parser.need_hessian_nonexplicit_LHS[1] == false){
            result = true;
        }
    }

    std::cout << "Subtest " << subtest_index << " result for 'need_hessian_nonexplicit_LHS': " << result << std::endl;
    pass = pass && result;

    // Check need_value_change_nonexplicit_LHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_value_change_nonexplicit_LHS.size() == 2){
        if (equation_dependency_parser.need_value_change_nonexplicit_LHS[0] == false && equation_dependency_parser.need_value_change_nonexplicit_LHS[1] == true){
            result = true;
        }
    }

    std::cout << "Subtest " << subtest_index << " result for 'need_value_change_nonexplicit_LHS': " << result << std::endl;
    pass = pass && result;

    // Check need_gradient_change_nonexplicit_LHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_gradient_change_nonexplicit_LHS.size() == 2){
        if (equation_dependency_parser.need_gradient_change_nonexplicit_LHS[0] == false && equation_dependency_parser.need_gradient_change_nonexplicit_LHS[1] == true){
            result = true;
        }
    }

    std::cout << "Subtest " << subtest_index << " result for 'need_gradient_change_nonexplicit_LHS': " << result << std::endl;
    pass = pass && result;

    // Check need_hessian_nonexplicit_LHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_hessian_change_nonexplicit_LHS.size() == 2){
        if (equation_dependency_parser.need_hessian_change_nonexplicit_LHS[0] == false && equation_dependency_parser.need_hessian_change_nonexplicit_LHS[1] == false){
            result = true;
        }
    }
    std::cout << "Subtest " << subtest_index << " result for 'need_hessian_change_nonexplicit_LHS': " << result << std::endl;
    pass = pass && result;

    // Check need_value_residual_explicit_RHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_value_residual_explicit_RHS.size() == 2){
        if (equation_dependency_parser.need_value_residual_explicit_RHS[0] == true && equation_dependency_parser.need_value_residual_explicit_RHS[1] == false){
            result = true;
        }
    }
    std::cout << "Subtest " << subtest_index << " result for 'need_value_residual_explicit_RHS': " << result << std::endl;
    pass = pass && result;

    // Check need_gradient_residual_explicit_RHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_gradient_residual_explicit_RHS.size() == 2){
        if (equation_dependency_parser.need_gradient_residual_explicit_RHS[0] == true && equation_dependency_parser.need_gradient_residual_explicit_RHS[1] == false){
            result = true;
        }
    }
    std::cout << "Subtest " << subtest_index << " result for 'need_gradient_residual_explicit_RHS': " << result << std::endl;
    pass = pass && result;

    // Check need_value_residual_nonexplicit_RHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_value_residual_nonexplicit_RHS.size() == 2){
        if (equation_dependency_parser.need_value_residual_nonexplicit_RHS[0] == false && equation_dependency_parser.need_value_residual_nonexplicit_RHS[1] == true){
            result = true;
        }
    }
    std::cout << "Subtest " << subtest_index << " result for 'need_value_residual_nonexplicit_RHS': " << result << std::endl;
    pass = pass && result;

    // Check need_gradient_residual_nonexplicit_RHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_gradient_residual_nonexplicit_RHS.size() == 2){
        if (equation_dependency_parser.need_gradient_residual_nonexplicit_RHS[0] == false && equation_dependency_parser.need_gradient_residual_nonexplicit_RHS[1] == true){
            result = true;
        }
    }
    std::cout << "Subtest " << subtest_index << " result for 'need_gradient_residual_nonexplicit_RHS': " << result << std::endl;
    pass = pass && result;

    // Check need_value_residual_nonexplicit_LHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_value_residual_nonexplicit_LHS.size() == 2){
        if (equation_dependency_parser.need_value_residual_nonexplicit_LHS[0] == false && equation_dependency_parser.need_value_residual_nonexplicit_LHS[1] == true){
            result = true;
        }
    }
    std::cout << "Subtest " << subtest_index << " result for 'need_value_residual_nonexplicit_LHS': " << result << std::endl;
    pass = pass && result;

    // Check need_gradient_residual_nonexplicit_LHS
    subtest_index++;
    result = false;
    if (equation_dependency_parser.need_gradient_residual_nonexplicit_LHS.size() == 2){
        if (equation_dependency_parser.need_gradient_residual_nonexplicit_LHS[0] == false && equation_dependency_parser.need_gradient_residual_nonexplicit_LHS[1] == true){
            result = true;
        }
    }
    std::cout << "Subtest " << subtest_index << " result for 'need_gradient_residual_nonexplicit_LHS': " << result << std::endl;
    pass = pass && result;



    sprintf (buffer, "Test result for 'EquationDependencyParser': %u\n", pass);
    std::cout << buffer;

    return pass;

}

template <int dim,typename T>
bool unitTest<dim,T>::test_EquationDependencyParser_nonlinear(){
    char buffer[100];

    std::cout << "\nTesting 'EquationDependencyParser'... " << std::endl;
    bool pass = true;


    // Declare all of the variables that go into the function call
    std::vector<std::string> sorted_dependencies_value_RHS, sorted_dependencies_gradient_RHS, sorted_dependencies_value_LHS, sorted_dependencies_gradient_LHS;

    // Populate the variable names and equation types
    std::vector<std::string> var_name;
    var_name.push_back("a");
    var_name.push_back("bc");
    var_name.push_back("def");
    var_name.push_back("ghij");
    var_name.push_back("klmno");

    std::vector<PDEType> var_eq_type;
    var_eq_type.push_back(EXPLICIT_TIME_DEPENDENT); // Not nonlinear by definition
    var_eq_type.push_back(TIME_INDEPENDENT);  // Crafted to be nonlinear due to RHS
    var_eq_type.push_back(TIME_INDEPENDENT);  // Crafted to be nonlinear due to LHS (due to needed non-change version of governing variable)
    var_eq_type.push_back(TIME_INDEPENDENT);  // Crafted to be nonlinear due to LHS (due to needing a non-governing variable)
    var_eq_type.push_back(TIME_INDEPENDENT);  // Crafted to be linear


    // Populate the dependency strings
    sorted_dependencies_value_RHS.push_back("bc, def, grad(bc)");
    sorted_dependencies_value_RHS.push_back("bc, def");
    sorted_dependencies_value_RHS.push_back("def");
    sorted_dependencies_value_RHS.push_back("a, ghij");
    sorted_dependencies_value_RHS.push_back("a, klmno");

    sorted_dependencies_gradient_RHS.push_back("hess(def), ghij");
    sorted_dependencies_gradient_RHS.push_back("grad(bc)");
    sorted_dependencies_gradient_RHS.push_back("");
    sorted_dependencies_gradient_RHS.push_back("grad(ghij)");
    sorted_dependencies_gradient_RHS.push_back("grad(klmno)");

    sorted_dependencies_value_LHS.push_back("");
    sorted_dependencies_value_LHS.push_back("change(bc)");
    sorted_dependencies_value_LHS.push_back("change(def)");
    sorted_dependencies_value_LHS.push_back("change(ghij), grad(def)");
    sorted_dependencies_value_LHS.push_back("change(klmno), grad(a)");

    sorted_dependencies_gradient_LHS.push_back("");
    sorted_dependencies_gradient_LHS.push_back("");
    sorted_dependencies_gradient_LHS.push_back("grad(def)");
    sorted_dependencies_gradient_LHS.push_back("");
    sorted_dependencies_gradient_LHS.push_back("hess(change(klmno))");

    std::vector<bool> var_nonlinear;

    EquationDependencyParser equation_dependency_parser;

    equation_dependency_parser.parse(
            var_name,
            var_eq_type,
            sorted_dependencies_value_RHS,
            sorted_dependencies_gradient_RHS,
            sorted_dependencies_value_LHS,
            sorted_dependencies_gradient_LHS,
            var_nonlinear);

    // Check that the boolean vectors were generated correctly
    bool result;
    unsigned int subtest_index = 0;

    // Check explicit parabolic equation
    subtest_index++;
    result = false;
    if (var_nonlinear[0] == false){
            result = true;
    }
    std::cout << "Subtest " << subtest_index << " result for an explicit parabolic equation: " << result << std::endl;
    pass = pass && result;

    // Check nonlinear time independent equation w/ nonlinearity due result for nonlinearity due to needing a non-governing variable on the RHS
    subtest_index++;
    result = false;
    if (var_nonlinear[1] == true){
            result = true;
    }
    std::cout << "Subtest " << subtest_index << " result for nonlinearity due to needing a non-governing variable on the RHS: " << result << std::endl;
    pass = pass && result;

    // Check nonlinear time independent equation w/ nonlinearity due to needed non-change version of governing variable on the LHS
    subtest_index++;
    result = false;
    if (var_nonlinear[2] == true){
            result = true;
    }
    std::cout << "Subtest " << subtest_index << " result for nonlinearity due to needed non-change version of governing variable on the LHS: " << result << std::endl;
    pass = pass && result;

    // Check nonlinear time independent equation w/ nonlinearity due to needing a non-governing variable on the LHS
    subtest_index++;
    result = false;
    if (var_nonlinear[3] == true){
            result = true;
    }
    std::cout << "Subtest " << subtest_index << " result for nonlinearity due to needing a non-governing variable on the LHS: " << result << std::endl;
    pass = pass && result;

    // Check linear time independent equation
    subtest_index++;
    result = false;
    if (var_nonlinear[4] == false){
            result = true;
    }
    std::cout << "Subtest " << subtest_index << " result for linear time independent: " << result << std::endl;
    pass = pass && result;



    sprintf (buffer, "Test result for 'EquationDependencyParser': %u\n", pass);
    std::cout << buffer;

    return pass;

}

template <int dim,typename T>
bool unitTest<dim,T>::test_EquationDependencyParser_postprocessing(){
    char buffer[100];

    std::cout << "\nTesting 'EquationDependencyParser'... " << std::endl;
    bool pass = true;


    // Declare all of the variables that go into the function call
    std::vector<std::string> sorted_dependencies_value, sorted_dependencies_gradient;

    // Populate the variable names and equation types
    std::vector<std::string> var_name;
    var_name.push_back("a");
    var_name.push_back("bc");

    std::vector<std::string> pp_var_name;
    pp_var_name.push_back("pp1");
    pp_var_name.push_back("pp2");
    pp_var_name.push_back("pp3");

    // Populate the dependency strings
    sorted_dependencies_value.push_back("bc, a, grad(bc)");
    sorted_dependencies_value.push_back("");
    sorted_dependencies_value.push_back("a");

    sorted_dependencies_gradient.push_back("hess(a), bc");
    sorted_dependencies_gradient.push_back("grad(bc)");
    sorted_dependencies_gradient.push_back("a");

    EquationDependencyParser equation_dependency_parser;

    equation_dependency_parser.pp_parse(
            var_name,
            pp_var_name,
            sorted_dependencies_value,
            sorted_dependencies_gradient);

    // Check that the boolean vectors were generated correctly
    bool result;
    unsigned int subtest_index = 0;

    // Check pp_need_value
    subtest_index++;
    result = false;
    if (equation_dependency_parser.pp_need_value.size() == 2){
        if (equation_dependency_parser.pp_need_value[0] == true && equation_dependency_parser.pp_need_value[1] == true){
            result = true;
        }
    }
    std::cout << "Subtest " << subtest_index << " result for 'pp_need_value': " << result << std::endl;
    pass = pass && result;

    // Check pp_need_gradient
    subtest_index++;
    result = false;
    if (equation_dependency_parser.pp_need_gradient.size() == 2){
        if (equation_dependency_parser.pp_need_gradient[0] == false && equation_dependency_parser.pp_need_gradient[1] == true){
            result = true;
        }
    }

    std::cout << "Subtest " << subtest_index << " result for 'pp_need_gradient': " << result << std::endl;
    pass = pass && result;

    // Check pp_need_hessian
    subtest_index++;
    result = false;
    if (equation_dependency_parser.pp_need_hessian.size() == 2){
        if (equation_dependency_parser.pp_need_hessian[0] == true && equation_dependency_parser.pp_need_hessian[1] == false){
            result = true;
        }
    }

    std::cout << "Subtest " << subtest_index << " result for 'pp_need_hessian': " << result << std::endl;
    pass = pass && result;



    // Check pp_need_value_residual
    subtest_index++;
    result = false;
    if (equation_dependency_parser.pp_need_value_residual.size() == 3){
        if (equation_dependency_parser.pp_need_value_residual[0] == true && equation_dependency_parser.pp_need_value_residual[1] == false && equation_dependency_parser.pp_need_value_residual[2] == true){
            result = true;
        }
    }
    std::cout << "Subtest " << subtest_index << " result for 'pp_need_value_residual': " << result << std::endl;
    pass = pass && result;

    // Check pp_need_gradient_residual
    subtest_index++;
    result = false;

    if (equation_dependency_parser.pp_need_gradient_residual.size() == 3){
        if (equation_dependency_parser.pp_need_gradient_residual[0] == true && equation_dependency_parser.pp_need_gradient_residual[1] == true && equation_dependency_parser.pp_need_gradient_residual[2] == true){
            result = true;
        }
    }
    std::cout << "Subtest " << subtest_index << " result for 'pp_need_gradient_residual': " << result << std::endl;
    pass = pass && result;


    sprintf (buffer, "Test result for 'EquationDependencyParser': %u\n", pass);
    std::cout << buffer;

    return pass;

}