Byte array encoding/decoding missmatch

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    • Type: Bug
    • Resolution: Duplicate
    • Priority: Minor - P4
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    • Affects Version/s: None
    • Component/s: Codecs
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      The following test fails with AssertionError: expected:<class [B> but was:<class org.bson.types.Binary>

          @Test
    public void testByteArray() {
        MongoClient mongo = new MongoClient();
        MongoDatabase db = mongo.getDatabase("mydb");
        MongoCollection<Document> collection = db.getCollection("test");
        try {
            collection.insertOne(new Document("image", "MongoDB".getBytes()));
            assertEquals(byte[].class, collection.find().first().get("image").getClass());
        } finally {
            collection.drop();
            mongo.close();
        }
    }

      It appears, byte array is encoded properly with ByteArrayCodec, but is decoded to BsonBinary, by BinaryCodec.

      Probably BinaryCodec should be obsoleted, and removed from ValueCodecProvider.addCodecs, and BsonTypeClassMap.addDefault() should have map.put(BsonType.BINARY, byte[].class) instead of map.put(BsonType.BINARY, Binary.class)

              Assignee:
              Ross Lawley
              Reporter:
              Andriy Zhdanov
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                Created:
                Updated:
                Resolved: