More concise handling of errors occurring during test execution.

src/main/java/de/neemann/digital/gui/components/testing/TestResultDialog.java

@@ -9,6 +9,7 @@ import de.neemann.digital.draw.library.ElementNotFoundException;
 import de.neemann.digital.draw.model.ModelCreator;
 import de.neemann.digital.lang.Lang;
 import de.neemann.digital.testing.*;
+import de.neemann.gui.ErrorMessage;
 import de.neemann.gui.IconCreator;
 
 import javax.swing.*;
@@ -54,6 +55,9 @@ public class TestResultDialog extends JDialog {
 
             TestResult tr = new TestResult(ts.data).create(model);
 
+            if (tr.getException() != null)
+                SwingUtilities.invokeLater(new ErrorMessage(Lang.get("msg_errorWhileExecutingTests_N0", ts.name)).addCause(tr.getException()).setComponent(this));
+
             JTable table = new JTable(new TestResultModel(tr));
             table.setDefaultRenderer(MatchedValue.class, new MatchedValueRenderer());
             table.setDefaultRenderer(Integer.class, new NumberRenderer());

src/main/java/de/neemann/digital/gui/components/testing/TestResultModel.java

@@ -1,5 +1,6 @@
 package de.neemann.digital.gui.components.testing;
 
+import de.neemann.digital.lang.Lang;
 import de.neemann.digital.testing.MatchedValue;
 import de.neemann.digital.testing.TestResult;
 
@@ -37,7 +38,7 @@ public class TestResultModel implements TableModel {
     @Override
     public String getColumnName(int columnIndex) {
         if (columnIndex == 0)
-            return "No";
+            return Lang.get("number");
         else
             return testResult.getSignalName(columnIndex - 1);
     }

src/main/java/de/neemann/digital/testing/TestResult.java

@@ -23,6 +23,7 @@ public class TestResult {
     private final ArrayList<Value[]> lines;
     private final ArrayList<Value[]> results;
     private boolean allPassed;
+    private Exception exception;
 
     /**
      * Creates a new testing result
@@ -107,7 +108,13 @@ public class TestResult {
                             in.value.setBool(!in.value.getBool());
                 }
 
+                try {
                     model.doStep();
+                } catch (NodeException | RuntimeException e) {
+                    exception = e;
+                    allPassed = false;
+                    return this;
+                }
 
                 for (TestSignal out : outputs) {
                     MatchedValue matchedValue = new MatchedValue(row[out.index], out.value);
@@ -287,4 +294,11 @@ public class TestResult {
             return row;
         }
     }
+
+    /**
+     * @return the exception thrown during test test execution, or null if there was no error.
+     */
+    public Exception getException() {
+        return exception;
+    }
 }

src/test/java/de/neemann/digital/integration/TestExamples.java

@@ -40,7 +40,7 @@ public class TestExamples extends TestCase {
     public void testTestExamples() throws Exception {
         File examples = new File(Resources.getRoot(), "/dig/test");
         assertEquals(42, new FileScanner(this::check).scan(examples));
-        assertEquals(33, testCasesInFiles);
+        assertEquals(35, testCasesInFiles);
     }