GODRIVER-1353 port mgobson tests for mgocompat testing (#222)

Author: iwysiu

bson/bsoncodec/default_value_decoders.go

@@ -329,7 +329,7 @@ func (dvd DefaultValueDecoders) StringDecodeValue(dctx DecodeContext, vr bsonrw.
 // JavaScriptDecodeValue is the ValueDecoderFunc for the primitive.JavaScript type.
 func (DefaultValueDecoders) JavaScriptDecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
 	if !val.CanSet() || val.Type() != tJavaScript {
-		return ValueDecoderError{Name: "BinaryDecodeValue", Types: []reflect.Type{tJavaScript}, Received: val}
+		return ValueDecoderError{Name: "JavaScriptDecodeValue", Types: []reflect.Type{tJavaScript}, Received: val}
 	}
 
 	if vr.Type() != bsontype.JavaScript {
@@ -348,7 +348,7 @@ func (DefaultValueDecoders) JavaScriptDecodeValue(dctx DecodeContext, vr bsonrw.
 // SymbolDecodeValue is the ValueDecoderFunc for the primitive.Symbol type.
 func (DefaultValueDecoders) SymbolDecodeValue(dctx DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
 	if !val.CanSet() || val.Type() != tSymbol {
-		return ValueDecoderError{Name: "BinaryDecodeValue", Types: []reflect.Type{tSymbol}, Received: val}
+		return ValueDecoderError{Name: "SymbolDecodeValue", Types: []reflect.Type{tSymbol}, Received: val}
 	}
 
 	if vr.Type() != bsontype.Symbol {

bson/bsoncodec/default_value_decoders_test.go

@@ -1717,7 +1717,7 @@ func TestDefaultValueDecoders(t *testing.T) {
 					nil,
 					&bsonrwtest.ValueReaderWriter{BSONType: bsontype.JavaScript, Return: ""},
 					bsonrwtest.Nothing,
-					ValueDecoderError{Name: "BinaryDecodeValue", Types: []reflect.Type{tJavaScript}, Received: reflect.ValueOf(wrong)},
+					ValueDecoderError{Name: "JavaScriptDecodeValue", Types: []reflect.Type{tJavaScript}, Received: reflect.ValueOf(wrong)},
 				},
 				{
 					"type not Javascript",
@@ -1755,7 +1755,7 @@ func TestDefaultValueDecoders(t *testing.T) {
 					nil,
 					&bsonrwtest.ValueReaderWriter{BSONType: bsontype.Symbol, Return: ""},
 					bsonrwtest.Nothing,
-					ValueDecoderError{Name: "BinaryDecodeValue", Types: []reflect.Type{tSymbol}, Received: reflect.ValueOf(wrong)},
+					ValueDecoderError{Name: "SymbolDecodeValue", Types: []reflect.Type{tSymbol}, Received: reflect.ValueOf(wrong)},
 				},
 				{
 					"type not Symbol",