feat(NODE-5506): add Binary subtype sensitive (#657)

Author: aditi-khare-mongoDB

src/binary.ts

@@ -56,6 +56,8 @@ export class Binary extends BSONValue {
   static readonly SUBTYPE_ENCRYPTED = 6;
   /** Column BSON type */
   static readonly SUBTYPE_COLUMN = 7;
+  /** Sensitive BSON type */
+  static readonly SUBTYPE_SENSITIVE = 8;
   /** User BSON type */
   static readonly SUBTYPE_USER_DEFINED = 128;
 

src/constants.ts

@@ -109,6 +109,9 @@ export const BSON_BINARY_SUBTYPE_ENCRYPTED = 6;
 /** Column BSON type @internal */
 export const BSON_BINARY_SUBTYPE_COLUMN = 7;
 
+/** Sensitive BSON type @internal */
+export const BSON_BINARY_SUBTYPE_SENSITIVE = 8;
+
 /** Binary User Defined Type @internal */
 export const BSON_BINARY_SUBTYPE_USER_DEFINED = 128;
 

test/node/constants.test.ts

@@ -19,6 +19,8 @@ describe('BSON Constants', () => {
      |  "\x04"  UUID
      |  "\x05"  MD5
      |  "\x06"  Encrypted BSON value
+     |  "\x07"  Column BSON value
+     |  "\x08"  Sensitive BSON value
      |  "\x80"  User defined
     */
     it('Default should be 0', () => {
@@ -55,6 +57,11 @@ describe('BSON Constants', () => {
       expect(constants.BSON_BINARY_SUBTYPE_COLUMN).to.equal(7);
       expect(Binary.SUBTYPE_COLUMN).to.equal(7);
     });
+
+    it('Sensitive should be 8', () => {
+      expect(constants.BSON_BINARY_SUBTYPE_SENSITIVE).to.equal(8);
+      expect(Binary.SUBTYPE_SENSITIVE).to.equal(8);
+    });
   });
   context('BSON Type indicators', () => {
     /*

test/node/specs/bson-corpus/binary.json

@@ -55,6 +55,11 @@
             "canonical_bson": "1D000000057800100000000773FFD26444B34C6990E8E7D1DFC035D400",
             "canonical_extjson": "{\"x\" : { \"$binary\" : {\"base64\" : \"c//SZESzTGmQ6OfR38A11A==\", \"subType\" : \"07\"}}}"
         },
+        {
+            "description": "subtype 0x08",
+            "canonical_bson": "1D000000057800100000000873FFD26444B34C6990E8E7D1DFC035D400",
+            "canonical_extjson": "{\"x\" : { \"$binary\" : {\"base64\" : \"c//SZESzTGmQ6OfR38A11A==\", \"subType\" : \"08\"}}}"
+        },
         {
             "description": "subtype 0x80",
             "canonical_bson": "0F0000000578000200000080FFFF00",