Add a (failing) test for #3234

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/failing/CoerceEmptyToInt3234Test.java

@@ -0,0 +1,47 @@
+package com.fasterxml.jackson.failing;
+
+import com.fasterxml.jackson.databind.*;
+
+// [databind#3234]
+public class CoerceEmptyToInt3234Test extends BaseMapTest
+{
+    static class BasicIntWrapper {
+        public int value = 13;
+    }
+
+    static class BasicLongWrapper {
+        public long value = 7L;
+    }
+
+    private final ObjectMapper MAPPER = newJsonMapper();
+    private final ObjectReader READER_INT_BASIC = MAPPER.readerFor(BasicIntWrapper.class);
+    private final ObjectReader READER_LONG_BASIC = MAPPER.readerFor(BasicLongWrapper.class);
+
+    // // // Ints
+
+    public void testSimpleIntFromEmpty() throws Exception
+    {
+        BasicIntWrapper w = READER_INT_BASIC.readValue(a2q("{'value':''}"));
+        assertEquals(0, w.value);
+    }
+
+    public void testSimpleIntFromBlank() throws Exception
+    {
+        BasicIntWrapper w = READER_INT_BASIC.readValue(a2q("{'value':' '}"));
+        assertEquals(0, w.value);
+    }
+
+    // // // Long
+
+    public void testSimpleLongFromEmpty() throws Exception
+    {
+        BasicLongWrapper w = READER_LONG_BASIC.readValue(a2q("{'value':''}"));
+        assertEquals(0L, w.value);
+    }
+
+    public void testSimpleLongFromBlank() throws Exception
+    {
+        BasicLongWrapper w = READER_LONG_BASIC.readValue(a2q("{'value':' '}"));
+        assertEquals(0L, w.value);
+    }
+}