car/src/androidTest/java/androidx/car/navigation/utils/BundleMarshallerTest.java
@Test
    public void deltaSerialization_emptyIfNoDataIsModified() {
        TEST_VALUE.toBundle(mBundleMarshaller);
        mBundleMarshaller.resetDelta();
        TEST_VALUE.toBundle(mBundleMarshaller);
        Bundle delta = mBundleMarshaller.getDelta();
        assertEquals(0, delta.size());
    }
/**
     * Tests that {@link BundleMarshaller#getDelta()} is empty if no data is modified between
     * serializations.
     */
Tests that  BundleMarshaller#getDelta() is empty if no data is modified between
serializations.
Tests that BundleMarshaller#getDelta () is empty if no data is modified between serializations .
@Test
    public void deltaSerialization_emptyIfNoDataIsModified() {
        TEST_VALUE.toBundle(mBundleMarshaller);
        mBundleMarshaller.resetDelta();
        TEST_VALUE.toBundle(mBundleMarshaller);
        Bundle delta = mBundleMarshaller.getDelta();
        assertEquals(0, delta.size());
    }
@ Test public void deltaSerialization_emptyIfNoDataIsModified ( ) { TEST_VALUE . toBundle ( mBundleMarshaller ) ; mBundleMarshaller . resetDelta ( ) ; TEST_VALUE . toBundle ( mBundleMarshaller ) ; Bundle delta = mBundleMarshaller . getDelta ( ) ; assertEquals ( 0 , delta . size ( ) ) ; }
Tests that {@link BundleMarshaller#getDelta()} is empty if no data is modified between
 serializations.
Tests that { @link BundleMarshaller#getDelta () } is empty if no data is modified between serializations .