Merge branch '2.10'

Author: cowtowncoder

avro/src/test/java/com/fasterxml/jackson/dataformat/avro/AvroTestBase.java

@@ -282,6 +282,19 @@ protected AvroSchema getStringMapSchema() throws IOException {
         return getMapper().schemaFrom(STRING_MAP_SCHEMA_JSON);
     }
 
+    protected AvroSchema parseSchema(String schemaAsJson) {
+        return parseSchema(getMapper(), schemaAsJson);
+    }
+
+    protected AvroSchema parseSchema(AvroMapper mapper, String schemaAsJson) {
+        try {
+            return getMapper().schemaFrom(aposToQuotes(schemaAsJson));
+        } catch (IOException e) {
+            fail("Could not parse Avro Schema from: "+schemaAsJson+", problem: "+e);
+            return null;
+        }
+    }
+    
     protected AvroMapper getMapper() {
         if (_sharedMapper == null) {
             _sharedMapper = newMapper();

avro/src/test/java/com/fasterxml/jackson/dataformat/avro/failing/EmptyRecordRead177Test.java

@@ -0,0 +1,35 @@
+package com.fasterxml.jackson.dataformat.avro.failing;
+
+import com.fasterxml.jackson.annotation.JsonAutoDetect;
+
+import com.fasterxml.jackson.dataformat.avro.AvroMapper;
+import com.fasterxml.jackson.dataformat.avro.AvroSchema;
+import com.fasterxml.jackson.dataformat.avro.AvroTestBase;
+
+public class EmptyRecordRead177Test extends AvroTestBase
+{
+    private final AvroMapper MAPPER = getMapper();
+
+    private final AvroSchema SCHEMA = parseSchema(MAPPER,
+"{'type':'record', 'name':'Empty','namespace':'something','fields':[]}");
+
+    @JsonAutoDetect // just a marker to avoid "no properties found" exception
+    static final class Empty {
+        @Override
+        public boolean equals(Object o) {
+            return o instanceof Empty;
+        }
+    }
+
+    public void testEmptyRecord() throws Exception {
+        final Empty empty = new Empty();
+
+        byte[] ser = MAPPER.writer().with(SCHEMA).writeValueAsBytes(empty);
+
+        final Empty result = MAPPER.readerFor(Empty.class)
+                .with(SCHEMA)
+                .readValue(ser);
+
+        assertEquals(empty, result);
+    }
+}