Add tests for NativeMappedConverter#defaultValue

test/com/sun/jna/NativeMappedTestClass.java

@@ -0,0 +1,26 @@
+package com.sun.jna;
+
+class NativeMappedTestClass implements NativeMapped {
+
+    private String name;
+
+    public NativeMappedTestClass() {}
+
+    @Override
+    public Object fromNative(Object nativeValue, FromNativeContext context) {
+        NativeMappedTestClass object = new NativeMappedTestClass();
+        object.name = (String) nativeValue;
+
+        return object;
+    }
+
+    @Override
+    public Object toNative() {
+        return name;
+    }
+
+    @Override
+    public Class<?> nativeType() {
+        return String.class;
+    }
+}

test/com/sun/jna/NativedMappedConverterTest.java

@@ -0,0 +1,37 @@
+package com.sun.jna;
+
+import junit.framework.TestCase;
+
+public class NativedMappedConverterTest extends TestCase {
+
+    public void testDefaultValueForClass() {
+        NativeMappedConverter converter = new NativeMappedConverter(NativeMappedTestClass.class);
+
+        assertTrue(converter.defaultValue() instanceof NativeMappedTestClass);
+    }
+
+    public void testDefaultValueForEnum() {
+        NativeMappedConverter converter = new NativeMappedConverter(TestEnum.class);
+
+        assertSame(converter.defaultValue(), TestEnum.VALUE1);
+    }
+
+    private enum TestEnum implements NativeMapped { VALUE1, VALUE2;
+
+        @Override
+        public Object fromNative(Object nativeValue, FromNativeContext context) {
+            return values()[(Integer) nativeValue];
+        }
+
+        @Override
+        public Object toNative() {
+            return ordinal();
+        }
+
+        @Override
+        public Class<?> nativeType() {
+            return Integer.class;
+        }
+    }
+
+}