added test (#1026)

Author: EvenSol

src/main/java/neqsim/processSimulation/processSystem/ProcessSystem.java

@@ -203,9 +203,9 @@ public boolean hasUnitName(String name) {
    * </p>
    *
    * @param name a {@link java.lang.String} object
-   * @return a {@link java.lang.Object} object
+   * @return a {@link MeasurementDeviceInterface} object
    */
-  public Object getMeasurementDevice(String name) {
+  public MeasurementDeviceInterface getMeasurementDevice(String name) {
     for (int i = 0; i < measurementDevices.size(); i++) {
       if (measurementDevices.get(i).getName().equals(name)) {
         return measurementDevices.get(i);

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

@@ -1,5 +1,6 @@
 package neqsim.processSimulation.processSystem;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.junit.jupiter.api.Test;
@@ -21,6 +22,7 @@
 import neqsim.processSimulation.processEquipment.valve.ThrottlingValve;
 import neqsim.thermo.system.SystemInterface;
 import neqsim.thermo.system.SystemSrkCPA;
+import neqsim.thermo.util.empiric.BukacekWaterInGas;
 
 public class MLA_bug_test extends neqsim.NeqSimTest {
   Logger logger = LogManager.getLogger(MLA_bug_test.class);
@@ -348,6 +350,15 @@ public void runProcessTEG() throws InterruptedException {
     } catch (Exception ex) {
       logger.error("Something failed");
     }
-    System.out.println("water in gas "+ dehydratedGas.getFluid().getComponent("water").getx());
+    // System.out.println("water in gas " + dehydratedGas.getFluid().getComponent("water").getx());
+
+    assertEquals(-19.1886678,
+        p.getMeasurementDevice("water dew point analyser3").getMeasuredValue("C"), 1e-2);
+  }
+
+  @Test
+  public void testBukacekWaterInGas() {
+    assertEquals(-36.485388110,
+        BukacekWaterInGas.waterDewPointTemperature(8.2504356945e-6, 70.0) - 273.15, 1e-2);
   }
 }