src/test/java/seedu/address/testutil/ParcelBuilder.java
public ParcelBuilder withTrackingNumber(String trackingNumber) {
        try {
            this.parcel.setTrackingNumber(new TrackingNumber(trackingNumber));
        } catch (IllegalValueException ive) {
            throw new IllegalArgumentException("tracking number is expected to be unique.");
        }
        return this;
    }
/**
     * Sets the {@code TrackingNumber} of the {@code Parcel} that we are building.
     */
Sets the  TrackingNumber of the  Parcel that we are building.
Sets the TrackingNumber of the Parcel that we are building .
public ParcelBuilder withTrackingNumber(String trackingNumber) {
        try {
            this.parcel.setTrackingNumber(new TrackingNumber(trackingNumber));
        } catch (IllegalValueException ive) {
            throw new IllegalArgumentException("tracking number is expected to be unique.");
        }
        return this;
    }
public ParcelBuilder withTrackingNumber ( String trackingNumber ) { try { this . parcel . setTrackingNumber ( new TrackingNumber ( trackingNumber ) ) ; } catch ( IllegalValueException ive ) { throw new IllegalArgumentException ( "tracking number is expected to be unique." ) ; } return this ; }
Sets the {@code TrackingNumber} of the {@code Parcel} that we are building.
Sets the { @code TrackingNumber } of the { @code Parcel } that we are building .