Stream.createStream(trailerPtr, contents, chunkFactory, ptrFactory);
// Should be the 1st one
Pointer stringPtr = ts.getChildPointers()[0];
assertTrue(stringPtr.destinationHasStrings());
assertFalse(stringPtr.destinationHasChunks());
assertFalse(stringPtr.destinationHasPointers());
Stream stream = Stream.createStream(stringPtr, contents, chunkFactory, ptrFactory);
assertNotNull(stream);
assertTrue(stream instanceof StringsStream);