fix: some cases where display methods failed

src/main/java/neqsim/chemicalReactions/chemicalEquilibriaum/ChemEq.java

@@ -243,9 +243,7 @@ public double step() {
     double[] n_omega = new double[NSPEC];
     double[] chem_pot_omega = new double[NSPEC];
     double[] chem_pot = new double[NSPEC];
-    double G_1;
 
-    double G_0;
     check = 0;
     step = 1;
 
@@ -262,8 +260,8 @@ public double step() {
       }
     }
 
-    G_1 = 0;
-
+    double G_0;
+    double G_1 = 0;
     for (i = 0; i < NSPEC; i++) {
       G_1 += chem_pot_omega[i] * d_n[i];
     }

src/main/java/neqsim/fluidMechanics/flowNode/FlowNode.java

@@ -590,10 +590,12 @@ public void display(String name) {
     JTable Jtab = new JTable(table, names);
     JScrollPane scrollpane = new JScrollPane(Jtab);
     dialogContentPane.add(scrollpane);
-    Jtab.setRowHeight(dialog.getHeight() / table.length);
-    Jtab.setFont(new Font("Serif", Font.PLAIN,
-        dialog.getHeight() / table.length - dialog.getHeight() / table.length / 10));
-    // dialog.pack();
+    if (table.length > 0) {
+      Jtab.setRowHeight(dialog.getHeight() / table.length);
+      Jtab.setFont(new Font("Serif", Font.PLAIN,
+          dialog.getHeight() / table.length - dialog.getHeight() / table.length / 10));
+      // dialog.pack();
+    }
     dialog.setVisible(true);
   }
 
@@ -643,11 +645,19 @@ public void setFlowDirection(int flowDirection, int i) {
    * @return an array of {@link java.lang.String} objects
    */
   public String[][] createTable(String name) {
+    int rows = 0;
+    if (bulkSystem == null) {
+      String[][] table = new String[0][5];
+      return table;
+    }
+
+    rows = bulkSystem.getPhases()[0].getNumberOfComponents() * 10;
+    String[][] table = new String[rows][5];
+
     DecimalFormat nf = new DecimalFormat();
     nf.setMaximumFractionDigits(5);
     nf.applyPattern("#.#####E0");
 
-    String[][] table = new String[bulkSystem.getPhases()[0].getNumberOfComponents() * 10][5];
     table[0][0] = "";
     table[0][1] = "";
     table[0][2] = "";
@@ -689,7 +699,6 @@ public String[][] createTable(String name) {
       table[3 * bulkSystem.getPhases()[0].getNumberOfComponents() + 5][4] = "[-]";
 
       // Double.longValue(system.getPhase(phaseIndex[i]).getBeta());
-
       buf = new StringBuffer();
       table[3 * bulkSystem.getPhases()[0].getNumberOfComponents() + 6][0] = "Velocity";
       table[3 * bulkSystem.getPhases()[0].getNumberOfComponents() + 6][i + 1] =
@@ -739,6 +748,7 @@ public String[][] createTable(String name) {
       table[3 * bulkSystem.getPhases()[0].getNumberOfComponents() + 13][i + 1] = name;
       table[3 * bulkSystem.getPhases()[0].getNumberOfComponents() + 13][4] = "-";
     }
+
     return table;
   }
 

src/main/java/neqsim/fluidMechanics/flowNode/fluidBoundary/heatMassTransferCalc/FluidBoundary.java

@@ -420,7 +420,15 @@ public String[][] createTable(String name) {
     nf.setMaximumFractionDigits(5);
     nf.applyPattern("#.#####E0");
 
-    String[][] table = new String[bulkSystem.getPhases()[0].getNumberOfComponents() * 10][5];
+    int rows = 0;
+    if (bulkSystem == null) {
+      String[][] table = new String[0][5];
+      return table;
+    }
+
+    rows = bulkSystem.getPhases()[0].getNumberOfComponents() * 10;
+    String[][] table = new String[rows][5];
+
     // String[] names = {"", "Phase 1", "Phase 2", "Phase 3", "Unit"};
     table[0][0] = "";
     table[0][1] = "";

src/main/java/neqsim/physicalProperties/physicalPropertyMethods/liquidPhysicalProperties/viscosity/Viscosity.java

@@ -61,7 +61,6 @@ public Viscosity clone() {
   public double calcViscosity() {
     double tempVar = 0;
     double tempVar2 = 0;
-    double viscosity = 0;
     this.calcPureComponentViscosity();
 
     // method og Grunberg and Nissan [87]
@@ -85,7 +84,7 @@ public double calcViscosity() {
         // liquidPhase.getPhase().getComponents()[i].getx()*liquidPhase.getPhase().getComponents()[j].getx()*liquidPhase.getMixingRule().getViscosityGij(i,j);
       }
     }
-    viscosity = Math.exp(tempVar + tempVar2) / 1.0e3; // N-sek/m2
+    double viscosity = Math.exp(tempVar + tempVar2) / 1.0e3; // N-sek/m2
     return viscosity;
   }
 

src/main/java/neqsim/processSimulation/measurementDevice/HydrateEquilibriumTemperatureAnalyser.java

@@ -47,14 +47,13 @@ public HydrateEquilibriumTemperatureAnalyser(String name, StreamInterface stream
   /** {@inheritDoc} */
   @Override
   public void displayResult() {
-    try {
-      // System.out.println("total water production [kg/dag]" +
-      // stream.getThermoSystem().getPhase(0).getComponent("water").getNumberOfmoles() *
-      // stream.getThermoSystem().getPhase(0).getComponent("water").getMolarMass()*3600*24);
-      // System.out.println("water in phase 1 (ppm) " +
-      // stream.getThermoSystem().getPhase(0).getComponent("water").getx()*1e6);
-    } finally {
-    }
+    /*
+     * try { // System.out.println("total water production [kg/dag]" + //
+     * stream.getThermoSystem().getPhase(0).getComponent("water").getNumberOfmoles() * //
+     * stream.getThermoSystem().getPhase(0).getComponent("water").getMolarMass()*3600*24); //
+     * System.out.println("water in phase 1 (ppm) " + //
+     * stream.getThermoSystem().getPhase(0).getComponent("water").getx()*1e6); } finally { }
+     */
   }
 
   /** {@inheritDoc} */

src/main/java/neqsim/processSimulation/mechanicalDesign/MechanicalDesign.java

@@ -1025,11 +1025,11 @@ public void displayResults() {
     Container dialogContentPane = dialog.getContentPane();
     dialogContentPane.setLayout(new BorderLayout());
 
-    String[] names = {"", "Volume", "Weight"};
     String[][] table = new String[3][3]; // createTable(getProcessEquipment().getName());
     table[1][0] = getProcessEquipment().getName();
     table[1][1] = Double.toString(getWeightTotal());
     table[1][2] = Double.toString(getVolumeTotal());
+    String[] names = {"", "Volume", "Weight"};
     JTable Jtab = new JTable(table, names);
     JScrollPane scrollpane = new JScrollPane(Jtab);
     dialogContentPane.add(scrollpane);

src/main/java/neqsim/standards/Standard.java

@@ -111,14 +111,19 @@ public void setStandardDescription(String standardDescription) {
   /** {@inheritDoc} */
   @Override
   public String[][] createTable(String name) {
+    if (thermoSystem == null) {
+      String[][] table = new String[0][6];
+      return table;
+    }
     thermoSystem.setNumberOfPhases(1);
-
     thermoSystem.createTable(name);
 
     DecimalFormat nf = new DecimalFormat();
     nf.setMaximumFractionDigits(5);
     nf.applyPattern("#.#####E0");
-    String[][] table = new String[thermoSystem.getPhases()[0].getNumberOfComponents() + 30][6];
+
+    int rows = thermoSystem.getPhases()[0].getNumberOfComponents() + 30;
+    String[][] table = new String[rows][6];
     // String[] names = {"", "Phase 1", "Phase 2", "Phase 3", "Unit"};
     table[0][0] = ""; // getPhases()[0].getType(); //"";
 

src/main/java/neqsim/standards/gasQuality/Draft_GERG2004.java

@@ -111,7 +111,16 @@ public String[][] createTable(String name) {
     DecimalFormat nf = new DecimalFormat();
     nf.setMaximumFractionDigits(5);
     nf.applyPattern("#.#####E0");
-    String[][] table = new String[thermoSystem.getPhases()[0].getNumberOfComponents() + 30][6];
+
+    int rows = 0;
+    if (thermoSystem == null) {
+      String[][] table = new String[0][6];
+      return table;
+    }
+
+    rows = thermoSystem.getPhases()[0].getNumberOfComponents() + 30;
+    String[][] table = new String[rows][6];
+
     // String[] names = {"", "Phase 1", "Phase 2", "Phase 3", "Unit"};
     table[0][0] = ""; // getPhases()[0].getType(); //"";
 

src/main/java/neqsim/standards/gasQuality/Standard_ISO6976.java

@@ -417,7 +417,16 @@ public String[][] createTable(String name) {
     DecimalFormat nf = new DecimalFormat();
     nf.setMaximumFractionDigits(5);
     nf.applyPattern("#.#####E0");
-    String[][] table = new String[thermoSystem.getPhases()[0].getNumberOfComponents() + 30][6];
+
+    int rows = 0;
+    if (thermoSystem == null) {
+      String[][] table = new String[0][6];
+      return table;
+    }
+
+    rows = thermoSystem.getPhases()[0].getNumberOfComponents() + 30;
+    String[][] table = new String[rows][6];
+
     // String[] names = { "", "Phase 1", "Phase 2", "Phase 3", "Unit" };
     table[0][0] = ""; // getPhases()[0].getType(); //"";
 

src/main/java/neqsim/thermo/system/SystemThermo.java

@@ -3622,6 +3622,9 @@ public String[][] createTable(String name) {
   /** {@inheritDoc} */
   @Override
   public void display(String name) {
+    if (this.getNumberOfComponents() == 0) {
+      return;
+    }
     javax.swing.JFrame dialog = new javax.swing.JFrame("System-Report");
     java.awt.Dimension screenDimension = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
     java.awt.Container dialogContentPane = dialog.getContentPane();

src/main/java/neqsim/thermodynamicOperations/ThermodynamicOperations.java

@@ -1794,6 +1794,10 @@ public void setResultTable(String[][] resultTable) {
    * </p>
    */
   public void display() {
+    if (resultTable == null) {
+      return;
+    }
+
     JFrame dialog = new JFrame("System-Report");
     Container dialogContentPane = dialog.getContentPane();
     dialogContentPane.setLayout(new BorderLayout());

src/test/java/neqsim/fluidMechanics/flowNode/twoPhaseNode/twoPhasePipeFlowNode/StratifiedFlowNodeTest.java

@@ -1,5 +1,6 @@
 package neqsim.fluidMechanics.flowNode.twoPhaseNode.twoPhasePipeFlowNode;
 
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import neqsim.fluidMechanics.geometryDefinitions.pipe.PipeData;
 import neqsim.thermo.phase.PhaseType;
@@ -127,15 +128,10 @@ void testInit2() {
     // "flux methane " + test3.getFluidBoundary().getInterphaseMolarFlux(0) + " [mol/m2*sec]");
     // System.out.println(
     // "flux nC10 " + test3.getFluidBoundary().getInterphaseMolarFlux(1) + " [mol/m2*sec]");
-
-
   }
 
-
-
   @Test
   void testInit3() {
-
     SystemInterface[] gasPhases = new SystemInterface[10];
     SystemInterface[] oilPhases = new SystemInterface[10];
     StratifiedFlowNode[] nodes = new StratifiedFlowNode[10];
@@ -165,7 +161,6 @@ void testInit3() {
     }
 
     for (int time = 0; time < 100; time++) {
-
       for (int i = 0; i < 9; i++) {
         fluids[i] = new SystemSrkEos(278.3, 100.01325);
         fluids[i].addFluid(gasPhases[i], 0);
@@ -212,7 +207,6 @@ void testInit3() {
     }
 
     for (int time = 0; time < 20; time++) {
-
       for (int i = 0; i < 9; i++) {
         fluids[i] = new SystemSrkEos(278.3, 100.01325);
         fluids[i].addFluid(gasPhases[i], 0);
@@ -256,7 +250,12 @@ void testInit3() {
       // + " liquid "
       // + nodes[0].getBulkSystem().getPhase(1).getComponent(1).getNumberOfMolesInPhase());
     }
-
   }
 
+  @Test
+  @Disabled
+  void testDisplay() {
+    StratifiedFlowNode node = new StratifiedFlowNode();
+    node.display();
+  }
 }

src/test/java/neqsim/processSimulation/processSystem/ProcessSystemTest.java

@@ -170,9 +170,6 @@ void testCopy() {
     Assertions.assertEquals(p, sys2);
   }
 
-  @Test
-  void testDisplayResult() {}
-
   @Test
   void testGetAllUnitNames() {}
 

src/test/java/neqsim/standards/gasQuality/Standard_ISO15403Test.java

@@ -2,6 +2,7 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import neqsim.thermo.system.SystemInterface;
 import neqsim.thermo.system.SystemSrkEos;
@@ -55,4 +56,14 @@ void testGetValue() {
   void testIsOnSpec() {
     assertEquals(true, ISO15403.isOnSpec());
   }
+
+  @Test
+  @Disabled
+  void testDisplay() {
+    Standard_ISO15403 s = new Standard_ISO15403(null);
+    s.display("test");
+
+    s = new Standard_ISO15403(testSystem);
+    s.display("test");
+  }
 }

src/test/java/neqsim/standards/gasQuality/Standard_ISO6578Test.java

@@ -1,11 +1,28 @@
 package neqsim.standards.gasQuality;
 
 import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import neqsim.thermo.system.SystemInterface;
 import neqsim.thermo.system.SystemSrkEos;
 
 public class Standard_ISO6578Test extends neqsim.NeqSimTest {
+  SystemInterface testSystem;
+
+  @BeforeEach
+  void setUp() {
+    testSystem = new SystemSrkEos(273.15 - 160.0, 1.0);
+    testSystem.addComponent("nitrogen", 0.006538);
+    testSystem.addComponent("methane", 0.91863);
+    testSystem.addComponent("ethane", 0.058382);
+    testSystem.addComponent("propane", 0.011993);
+    // testSystem.addComponent("i-butane", 0.00);
+    testSystem.addComponent("n-butane", 0.003255);
+    testSystem.addComponent("i-pentane", 0.000657);
+    testSystem.addComponent("n-pentane", 0.000545);
+  }
+
   @Test
   void testCalculate() {
     SystemInterface testSystem = new SystemSrkEos(273.15 - 160.0, 1.0);
@@ -34,4 +51,14 @@ void testCalculate() {
     Assertions.assertEquals(0.30930700620842033, standard.getCorrFactor1());
     // testSystem.display();
   }
+
+  @Test
+  @Disabled
+  void testDisplay() {
+    Standard_ISO6578 s = new Standard_ISO6578(null);
+    s.display("test");
+
+    s = new Standard_ISO6578(testSystem);
+    s.display("test");
+  }
 }

src/test/java/neqsim/standards/gasQuality/Standard_ISO6976Test.java

@@ -3,6 +3,7 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import neqsim.thermo.system.SystemInterface;
 import neqsim.thermo.system.SystemSrkEos;
@@ -166,4 +167,11 @@ void testCalculate2() {
      * 150.0));
      */
   }
+
+  @Test
+  @Disabled
+  void testDisplay() {
+    Standard_ISO6976 s = new Standard_ISO6976(testSystem);
+    s.display("test");
+  }
 }

src/test/java/neqsim/standards/gasQuality/Standard_ISO6976_2016_Test.java

@@ -3,6 +3,7 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import neqsim.thermo.system.SystemInterface;
 import neqsim.thermo.system.SystemSrkEos;
@@ -131,4 +132,11 @@ void testCalculate2() {
      * 150.0));
      */
   }
+
+  @Test
+  @Disabled
+  void testDisplay() {
+    Standard_ISO6976_2016 s = new Standard_ISO6976_2016(testSystem);
+    s.display("test");
+  }
 }