support StreamReadFeature.USE_FAST_BIG_NUMBER_PARSER (#3685)

Author: pjfanning

src/main/java/com/fasterxml/jackson/databind/deser/std/NumberDeserializers.java

@@ -844,13 +844,14 @@ public Object deserialize(JsonParser p, DeserializationContext ctxt) throws IOEx
             try {
                 if (!_isIntNumber(text)) {
                     if (ctxt.isEnabled(DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS)) {
-                        return NumberInput.parseBigDecimal(text);
+                        return NumberInput.parseBigDecimal(
+                                text, p.isEnabled(StreamReadFeature.USE_FAST_BIG_NUMBER_PARSER));
                     }
                     return Double.valueOf(
                             NumberInput.parseDouble(text, p.isEnabled(StreamReadFeature.USE_FAST_DOUBLE_PARSER)));
                 }
                 if (ctxt.isEnabled(DeserializationFeature.USE_BIG_INTEGER_FOR_INTS)) {
-                    return NumberInput.parseBigInteger(text);
+                    return NumberInput.parseBigInteger(text, p.isEnabled(StreamReadFeature.USE_FAST_BIG_NUMBER_PARSER));
                 }
                 long value = NumberInput.parseLong(text);
                 if (!ctxt.isEnabled(DeserializationFeature.USE_LONG_FOR_INTS)) {
@@ -961,7 +962,7 @@ public BigInteger deserialize(JsonParser p, DeserializationContext ctxt) throws
                 return getNullValue(ctxt);
             }
             try {
-                return NumberInput.parseBigInteger(text);
+                return NumberInput.parseBigInteger(text, p.isEnabled(StreamReadFeature.USE_FAST_BIG_NUMBER_PARSER));
             } catch (IllegalArgumentException iae) { }
             return (BigInteger) ctxt.handleWeirdStringValue(_valueClass, text,
                     "not a valid representation");
@@ -1030,7 +1031,7 @@ public BigDecimal deserialize(JsonParser p, DeserializationContext ctxt)
                 return getNullValue(ctxt);
             }
             try {
-                return NumberInput.parseBigDecimal(text);
+                return NumberInput.parseBigDecimal(text, p.isEnabled(StreamReadFeature.USE_FAST_BIG_NUMBER_PARSER));
             } catch (IllegalArgumentException iae) { }
             return (BigDecimal) ctxt.handleWeirdStringValue(_valueClass, text,
                     "not a valid representation");

src/test/java/com/fasterxml/jackson/databind/seq/ReadValuesTest.java

@@ -371,9 +371,13 @@ private void testObjectReaderWithFastDoubleParser(final boolean useParserFeature
         if (useParserFeature) {
             JsonFactory factory = new JsonFactory();
             factory.enable(JsonParser.Feature.USE_FAST_DOUBLE_PARSER);
+            factory.enable(JsonParser.Feature.USE_FAST_BIG_NUMBER_PARSER);
             mapper = JsonMapper.builder(factory).build();
         } else {
-            mapper = JsonMapper.builder().enable(StreamReadFeature.USE_FAST_DOUBLE_PARSER).build();
+            mapper = JsonMapper.builder()
+                    .enable(StreamReadFeature.USE_FAST_DOUBLE_PARSER)
+                    .enable(StreamReadFeature.USE_FAST_BIG_NUMBER_PARSER)
+                    .build();
         }
 
         final MappingIterator<Map<String, Double>> iterator = mapper.reader().forType(new TypeReference<Map<String, Double>>(){}).readValues(JSON);
@@ -399,9 +403,13 @@ private void testObjectReaderWithFastFloatParser(final boolean useParserFeature)
         if (useParserFeature) {
             JsonFactory factory = new JsonFactory();
             factory.enable(JsonParser.Feature.USE_FAST_DOUBLE_PARSER);
+            factory.enable(JsonParser.Feature.USE_FAST_BIG_NUMBER_PARSER);
             mapper = JsonMapper.builder(factory).build();
         } else {
-            mapper = JsonMapper.builder().enable(StreamReadFeature.USE_FAST_DOUBLE_PARSER).build();
+            mapper = JsonMapper.builder()
+                    .enable(StreamReadFeature.USE_FAST_DOUBLE_PARSER)
+                    .enable(StreamReadFeature.USE_FAST_BIG_NUMBER_PARSER)
+                    .build();
         }
         final MappingIterator<Map<String, Float>> iterator = mapper.reader().forType(new TypeReference<Map<String, Float>>(){}).readValues(JSON);