Fixed #1453 - 2.0: Possible lacking coverage for Fleece serialization (#1485)

Author: Hideki Itakura

android/CouchbaseLite/src/androidTest/java/com/couchbase/lite/JavaTest.java

@@ -0,0 +1,50 @@
+package com.couchbase.lite;
+
+import com.couchbase.litecore.LiteCoreException;
+import com.couchbase.litecore.fleece.AllocSlice;
+import com.couchbase.litecore.fleece.Encoder;
+import com.couchbase.litecore.fleece.FLValue;
+
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class JavaTest extends BaseTest {
+
+    // https://github.com/couchbase/couchbase-lite-android/issues/1453
+    @Test
+    public void testFLEncode() throws LiteCoreException {
+        testRoundTrip(42L);
+        testRoundTrip(Long.MIN_VALUE);
+        testRoundTrip("Fleece");
+        Map<String, Object> map = new HashMap<>();
+        map.put("foo", "bar");
+        testRoundTrip(map);
+        testRoundTrip(Arrays.asList((Object) "foo", "bar"));
+        testRoundTrip(true);
+        testRoundTrip(3.14F);
+        testRoundTrip(Math.PI);
+    }
+
+    private void testRoundTrip(Object item) throws LiteCoreException {
+        Encoder encoder = new Encoder();
+        assertNotNull(encoder);
+        try {
+            assertTrue(encoder.writeObject(item));
+            AllocSlice slice = encoder.finish();
+            assertNotNull(slice);
+            FLValue flValue = FLValue.fromData(slice);
+            assertNotNull(flValue);
+            Object obj = FLValue.toObject(flValue);
+            assertEquals(item, obj);
+        } finally {
+            encoder.release();
+        }
+    }
+}