Backport #142 to 2.9 branch, update release notes

Author: cowtowncoder

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

@@ -276,6 +276,8 @@ public NumberType getNumberType() throws IOException
                 } else {
                     return NumberType.INT;
                 }
+            case FLOAT:
+                return NumberType.DOUBLE;
             default:
             }
         }

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

@@ -20,10 +20,13 @@
 import com.fasterxml.jackson.dataformat.ion.IonParser;
 
 import org.junit.Assert;
+
+import software.amazon.ion.IonReader;
 import software.amazon.ion.IonSystem;
 import software.amazon.ion.IonValue;
 import software.amazon.ion.system.IonSystemBuilder;
 
+import java.io.IOException;
 import java.math.BigInteger;
 import org.junit.Test;
 
@@ -55,4 +58,21 @@ public void testGetNumberType() throws Exception {
         Assert.assertEquals(JsonToken.VALUE_NUMBER_FLOAT, floatParser.nextToken());
         Assert.assertEquals(JsonParser.NumberType.DOUBLE, floatParser.getNumberType());
     }
+
+    @Test
+    public void testFloatType() throws IOException
+    {
+        final byte[] data =  "{ score:0.291e0 }".getBytes();
+        IonSystem ion = IonSystemBuilder.standard().build();
+        final IonValue ionFloat = ion.newFloat(Float.MAX_VALUE);
+        IonReader reader = ionFloat.getSystem().newReader(data, 0, data.length);
+        // Find the object
+        reader.next();
+        // Step into the object
+        reader.stepIn();
+        // Step next.
+        reader.next();
+        final IonParser floatParser = new IonFactory().createParser(reader);
+        Assert.assertEquals(JsonParser.NumberType.DOUBLE, floatParser.getNumberType());
+    }
 }

release-notes/CREDITS

@@ -68,3 +68,8 @@ Leo Wang (wanglingsong@github)
 
 * Reported #135: Infinite sequence of `END_OBJECT` tokens returned at end of streaming read
  (2.9.6)
+
+Michael Milkin (mmilkin@github)
+* Reported, Contributed fix for #142: (ion) `IonParser.getNumberType()` returns `null`
+  for `IonType.FLOAT`
+ (2.9.7)

release-notes/VERSION

@@ -8,6 +8,11 @@ Project: jackson-datatypes-binaryModules:
 === Releases ===
 ------------------------------------------------------------------------
 
+2.9.7 (not yet released)
+
+#142: (ion) `IonParser.getNumberType()` returns `null` for `IonType.FLOAT`
+ (contributed by Michael M)
+
 2.9.6 (12-Jun-2018)
 
 #93: (cbor) `CBORParser` does not accept "undefined value"