BinaryCarrier does not fulfill the API contract for binary carrier objects

CHANGELOG.rst

@@ -6,7 +6,7 @@ History
 0.13.1 (unreleased)
 -------------------
 
-- No changes yet
+- `BinaryCarrier` now fulfills the API contract that binary carrier objects have a `buffer` property.
 
 
 0.13.0 (2016-10-14)

src/binary_carrier.js

@@ -6,6 +6,6 @@
  */
 export default class BinaryCarrier {
     constructor(binaryData) {
-        this._buffer = binaryData;
+        this.buffer = binaryData;
     }
 }

test/opentracing_api.js

@@ -66,5 +66,14 @@ module.exports = function opentracingAPITests() {
                 expect(ref).to.be.an('object');
             });
         });
+
+
+        describe('BinaryCarrier', function() {
+            it('should set binary data as a field called "buffer"', function() {
+                var buffer = new Float64Array();
+                var ref = new opentracing.BinaryCarrier(buffer);
+                expect(ref.buffer).to.equal(buffer);
+            });
+        });
     });
 }