Complete binary codec stream read capability defaulting wrt #307

Author: cowtowncoder

ion/src/main/java/com/fasterxml/jackson/dataformat/ion/IonParser.java

@@ -85,6 +85,10 @@ private Feature(boolean defaultState) {
         public int getMask() { return _mask; }
     }
 
+    // @since 2.14
+    protected final static JacksonFeatureSet<StreamReadCapability> ION_READ_CAPABILITIES
+        = DEFAULT_READ_CAPABILITIES.with(StreamReadCapability.EXACT_FLOATS);
+
     /*
     /*****************************************************************
     /* Basic configuration
@@ -219,8 +223,7 @@ public boolean hasTextCharacters() {
 
     @Override // since 2.12
     public JacksonFeatureSet<StreamReadCapability> getReadCapabilities() {
-        // Defaults are fine
-        return DEFAULT_READ_CAPABILITIES;
+        return ION_READ_CAPABILITIES;
     }
 
     /*

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/IonParserTest.java

@@ -16,6 +16,7 @@
 
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonToken;
+import com.fasterxml.jackson.core.StreamReadCapability;
 
 import org.junit.Assert;
 
@@ -109,4 +110,19 @@ public void testGetTypeId() throws IOException {
 
         Assert.assertEquals(className, parser.getTypeId());
     }
+
+    @Test
+    public void testParserCapabilities() throws Exception {
+        IonSystem ion = IonSystemBuilder.standard().build();
+
+        Integer intValue = Integer.MAX_VALUE;
+        IonValue ionInt = ion.newInt(intValue);
+
+        try (IonParser p = new IonFactory().createParser(ionInt)) {
+            // 15-Jan-2021, tatu: 2.14 added this setting, not enabled in
+            //    default set
+            Assert.assertTrue(p.getReadCapabilities().isEnabled(StreamReadCapability.EXACT_FLOATS));
+        }
+    }
+
 }

protobuf/src/main/java/com/fasterxml/jackson/dataformat/protobuf/ProtobufParser.java

@@ -55,7 +55,11 @@ public class ProtobufParser extends ParserMinimalBase
     private final static int STATE_CLOSED = 12;
 
     private final static int[] UTF8_UNIT_CODES = ProtobufUtil.sUtf8UnitLengths;
-    
+
+    // @since 2.14
+    protected final static JacksonFeatureSet<StreamReadCapability> PROTOBUF_READ_CAPABILITIES
+        = DEFAULT_READ_CAPABILITIES.with(StreamReadCapability.EXACT_FLOATS);
+
     /*
     /**********************************************************
     /* Configuration
@@ -333,8 +337,7 @@ public void setCodec(ObjectCodec c) {
 
     @Override // since 2.12
     public JacksonFeatureSet<StreamReadCapability> getReadCapabilities() {
-        // Defaults are fine
-        return DEFAULT_READ_CAPABILITIES;
+        return PROTOBUF_READ_CAPABILITIES;
     }
 
     /*                                                                                       

protobuf/src/test/java/com/fasterxml/jackson/dataformat/protobuf/FactoryPropertiesTest.java

@@ -4,6 +4,7 @@
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.StreamReadCapability;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 import com.fasterxml.jackson.dataformat.protobuf.schema.ProtobufSchema;
@@ -21,7 +22,7 @@ public FactoryPropertiesTest() throws IOException {
         POINT_SCHEMA = ProtobufSchemaLoader.std.parse(PROTOC_BOX, "Point");
     }
 
-    public void testCBORFactorySerializable() throws Exception
+    public void testProtoFactorySerializable() throws Exception
     {
         ProtobufFactory f = new ProtobufFactory();
         byte[] doc = _writeDoc(f);
@@ -33,7 +34,7 @@ public void testCBORFactorySerializable() throws Exception
         assertNotNull(f2);
     }
 
-    public void testCBORFactoryCopy() throws Exception
+    public void testProtoFactoryCopy() throws Exception
     {
         ProtobufFactory f2 = PROTO_F.copy();
         assertNotNull(f2);
@@ -98,9 +99,19 @@ public void testInabilityToWriteChars() throws Exception
         } catch (UnsupportedOperationException e) {
             verifyException(e, "non-byte-based target");
         }
-        
     }
-    
+
+    // @since 2.14
+    public void testStreamReadCapabilities() throws Exception
+    {
+        byte[] doc = _writeDoc(PROTO_F);
+        try (JsonParser p = MAPPER.createParser(doc)) {
+            // 15-Jan-2021, tatu: 2.14 added this setting, not enabled in
+            //    default set
+            assertTrue(p.getReadCapabilities().isEnabled(StreamReadCapability.EXACT_FLOATS));
+        }
+    }
+
     /*
     /**********************************************************
     /* Helper methods