@Test
public void testOpenOutputStream() throws URISyntaxException, StorageException, IOException {
int blobLengthToUse = 8 * 512;
byte[] buffer = BlobTestHelper.getRandomBuffer(8 * 512);
String blobName = BlobTestHelper.generateRandomBlobNameWithPrefix("testblob");
final CloudPageBlob blobRef = this.container.getPageBlobReference(blobName);
blobRef.create(blobLengthToUse);
BlobOutputStream blobOutputStream = blobRef.openWriteNew(blobLengthToUse);
ByteArrayInputStream inputStream = new ByteArrayInputStream(buffer);
blobOutputStream = blobRef.openWriteNew(blobLengthToUse);
inputStream = new ByteArrayInputStream(buffer);
blobOutputStream.write(inputStream, 512);
inputStream = new ByteArrayInputStream(buffer, 512, 3 * 512);
blobOutputStream.write(inputStream, 3 * 512);
blobOutputStream.close();
byte[] result = new byte[blobLengthToUse];
blobRef.downloadToByteArray(result, 0);
int i = 0;
for (; i < 4 * 512; i++) {
assertEquals(buffer[i], result[i]);
}
for (; i < 8 * 512; i++) {
assertEquals(0, result[i]);
}
}
@Test
public void testOpenOutputStreamNotAligned() throws StorageException, URISyntaxException {
int blobLengthToUse = 8 * 512;
byte[] buffer = BlobTestHelper.getRandomBuffer(8 * 512);
String blobName = BlobTestHelper.generateRandomBlobNameWithPrefix("testblob");
final CloudPageBlob blobRef = this.container.getPageBlobReference(blobName);
blobRef.create(blobLengthToUse);
try {
blobRef.openWriteNew(blobLengthToUse + 1);
fail("Did not throw expected exception on non-512-byte-aligned offset");
} catch (IllegalArgumentException ex) {
assertEquals(SR.INVALID_PAGE_BLOB_LENGTH, ex.getMessage());
}
BlobOutputStream blobOutputStream = blobRef.openWriteNew(blobLengthToUse);
ByteArrayInputStream inputStream = new ByteArrayInputStream(buffer);
try {
blobOutputStream.write(inputStream, 511);
blobOutputStream.close();
fail("Did not throw expected exception on non-512-byte-aligned length");
} catch (IOException ex) {
assertEquals(String.format(SR.INVALID_NUMBER_OF_BYTES_IN_THE_BUFFER, 511), ex.getMessage());
}
}
