Improved test coverage.

src/main/java/org/orekit/files/ilrs/CPF.java

@@ -39,6 +39,9 @@ import org.orekit.utils.TimeStampedPVCoordinates;
  */
 public class CPF implements EphemerisFile<CPF.CPFCoordinate, CPF.CPFEphemeris> {
 
+    /** Default satellite ID, used if header is null when initializing the ephemeris. */
+    public static final String DEFAULT_ID = "9999999";
+
     /** Gravitational coefficient. */
     private double mu;
 
@@ -105,14 +108,15 @@ public class CPF implements EphemerisFile<CPF.CPFCoordinate, CPF.CPFEphemeris> {
 
     /**
      * Adds a new P/V coordinate to the satellite.
+     * <p>
+     * If the header has not been read, the {@link #DEFAULT_ID} is used.
+     * </p>
      * @param coord the P/V coordinate of the satellite
      * @deprecated as of 11.0.1, replaced by {@link #addSatelliteCoordinates(String, CPFCoordinate)}
      */
     @Deprecated
     public void addSatelliteCoordinate(final CPFCoordinate coord) {
-        final String id = header.getIlrsSatelliteId();
-        createIfNeeded(id);
-        ephemeris.get(id).coordinates.add(coord);
+        addSatelliteCoordinate(DEFAULT_ID, coord);
     }
 
     /**
@@ -236,7 +240,7 @@ public class CPF implements EphemerisFile<CPF.CPFCoordinate, CPF.CPFEphemeris> {
         /** {@inheritDoc} */
         @Override
         public String getId() {
-            return id == null ? header.getIlrsSatelliteId() : id;
+            return id == null ? DEFAULT_ID : id;
         }
 
         /** {@inheritDoc} */

src/test/java/org/orekit/files/ilrs/CPFWriterTest.java

@@ -236,6 +236,40 @@ public class CPFWriterTest {
 
     }
 
+    @Test
+    @Deprecated
+    public void testDefaultId() throws IOException {
+
+        // Initialize
+        final CPF cpf = new CPF();
+
+        // Fast check
+        assertEquals(0, cpf.getSatellites().size());
+
+        // Add coordinates
+        final int leap = 0;
+        cpf.addSatelliteCoordinate(new CPFCoordinate(AbsoluteDate.J2000_EPOCH, Vector3D.PLUS_I, leap));
+
+        // Verify
+        assertEquals(1, cpf.getSatellites().size());
+
+    }
+
+    @Test
+    @Deprecated
+    public void testOldConstructor() throws IOException {
+
+        // Initialize
+        // Create an empty CPF file
+        final CPF cpf = new CPF();
+        final CPFEphemeris ephemeris = cpf.new CPFEphemeris();
+
+        // Fast check
+        assertEquals(0, ephemeris.getCoordinates().size());
+        assertEquals(CPF.DEFAULT_ID, ephemeris.getId());
+
+    }
+
     public static void compareCpfFiles(CPF file1, CPF file2) {
 
         // Header