Add test for a VPP that declares a vector fairly late refs idaholab#7809

 idaholab#7819

test/include/vectorpostprocessors/LateDeclarationVectorPostprocessor.h

@@ -0,0 +1,38 @@
+/****************************************************************/
+/*               DO NOT MODIFY THIS HEADER                      */
+/* MOOSE - Multiphysics Object Oriented Simulation Environment  */
+/*                                                              */
+/*           (c) 2010 Battelle Energy Alliance, LLC             */
+/*                   ALL RIGHTS RESERVED                        */
+/*                                                              */
+/*          Prepared by Battelle Energy Alliance, LLC           */
+/*            Under Contract No. DE-AC07-05ID14517              */
+/*            With the U. S. Department of Energy               */
+/*                                                              */
+/*            See COPYRIGHT for full restrictions               */
+/****************************************************************/
+
+#ifndef LATEDECLARATIONVECTORPOSTPROCESSOR_H
+#define LATEDECLARATIONVECTORPOSTPROCESSOR_H
+
+#include "GeneralVectorPostprocessor.h"
+
+//Forward Declarations
+class LateDeclarationVectorPostprocessor;
+
+template<>
+InputParameters validParams<LateDeclarationVectorPostprocessor>();
+
+class LateDeclarationVectorPostprocessor : public GeneralVectorPostprocessor
+{
+public:
+  LateDeclarationVectorPostprocessor(const InputParameters & parameters);
+
+  virtual void initialize() override;
+  virtual void execute() override;
+
+protected:
+  VectorPostprocessorValue * _value;
+};
+
+#endif

test/src/base/MooseTestApp.C

@@ -96,6 +96,7 @@
 #include "ExampleShapeElementKernel.h"
 #include "ExampleShapeElementKernel2.h"
 #include "SimpleTestShapeElementKernel.h"
+#include "LateDeclarationVectorPostprocessor.h"
 
 #include "RobinBC.h"
 #include "InflowBC.h"
@@ -510,6 +511,8 @@ MooseTestApp::registerObjects(Factory & factory)
   registerPostprocessor(ScalarCoupledPostprocessor);
   registerPostprocessor(NumAdaptivityCycles);
 
+  registerVectorPostprocessor(LateDeclarationVectorPostprocessor);
+
   registerMarker(RandomHitMarker);
   registerMarker(QPointMarker);
   registerMarker(CircleMarker);

test/src/vectorpostprocessors/LateDeclarationVectorPostprocessor.C

@@ -0,0 +1,44 @@
+/****************************************************************/
+/*               DO NOT MODIFY THIS HEADER                      */
+/* MOOSE - Multiphysics Object Oriented Simulation Environment  */
+/*                                                              */
+/*           (c) 2010 Battelle Energy Alliance, LLC             */
+/*                   ALL RIGHTS RESERVED                        */
+/*                                                              */
+/*          Prepared by Battelle Energy Alliance, LLC           */
+/*            Under Contract No. DE-AC07-05ID14517              */
+/*            With the U. S. Department of Energy               */
+/*                                                              */
+/*            See COPYRIGHT for full restrictions               */
+/****************************************************************/
+
+#include "LateDeclarationVectorPostprocessor.h"
+
+template<>
+InputParameters validParams<LateDeclarationVectorPostprocessor>()
+{
+  InputParameters params = validParams<GeneralVectorPostprocessor>();
+
+  params.addRequiredParam<VectorPostprocessorValue>("value", "The vector value this object will have.");
+  return params;
+}
+
+LateDeclarationVectorPostprocessor::LateDeclarationVectorPostprocessor(const InputParameters & parameters) :
+    GeneralVectorPostprocessor(parameters),
+    _value(nullptr)
+{
+}
+
+void
+LateDeclarationVectorPostprocessor::initialize()
+{
+  if (_t_step == 1)
+    _value = &declareVector("value");
+}
+
+void
+LateDeclarationVectorPostprocessor::execute()
+{
+  if (_t_step == 1)
+    *_value = getParam<VectorPostprocessorValue>("value");
+}

test/tests/vectorpostprocessors/late_declaration_vector_postprocessor/gold/late_declaration_vector_postprocessor_out_constant_0001.csv

@@ -0,0 +1,4 @@
+value
+1.5
+2.7
+

test/tests/vectorpostprocessors/late_declaration_vector_postprocessor/late_declaration_vector_postprocessor.i

@@ -0,0 +1,53 @@
+[Mesh]
+  type = GeneratedMesh
+  dim = 2
+  nx = 10
+  ny = 10
+[]
+
+[Variables]
+  [./u]
+  [../]
+[]
+
+[Kernels]
+  [./diff]
+    type = Diffusion
+    variable = u
+  [../]
+[]
+
+[BCs]
+  [./left]
+    type = DirichletBC
+    variable = u
+    boundary = left
+    value = 0
+  [../]
+  [./right]
+    type = DirichletBC
+    variable = u
+    boundary = right
+    value = 1
+  [../]
+[]
+
+[VectorPostprocessors]
+  [./constant]
+    type = LateDeclarationVectorPostprocessor
+    value = '1.5 2.7'
+  [../]
+[]
+
+[Executioner]
+  # Preconditioned JFNK (default)
+  type = Steady
+  solve_type = PJFNK
+  petsc_options_iname = '-pc_type -pc_hypre_type'
+  petsc_options_value = 'hypre boomeramg'
+[]
+
+[Outputs]
+  execute_on = 'initial timestep_end'
+  csv = true
+[]

test/tests/vectorpostprocessors/late_declaration_vector_postprocessor/tests

@@ -0,0 +1,7 @@
+[Tests]
+  [./test]
+    type = 'CSVDiff'
+    input = 'late_declaration_vector_postprocessor.i'
+    csvdiff = 'late_declaration_vector_postprocessor_out_constant_0001.csv'
+  [../]
+[]