### Question:
WWWBlob extends AbstractBlob { @Override public InputStream openInputStream() throws IOException { connect(true, false); return content; } WWWBlob(URL url, BlobStoreConnection conn, StreamManager streamManager); @Override long getSize(); @Override InputStream openInputStream(); @Override OutputStream openOutputStream(long estimatedSize, boolean overwrite); @Override boolean exists(); @Override void delete(); @Override Blob moveTo(URI blobId, Map<String, String> hints);  }### Answer:
@Test public void testOpenInputStream() { try { assertNotNull(blob.openInputStream()); } catch (IOException e) { fail("openInputStream() failed", e); } }