Index: trunk/test/unit/org/openstreetmap/josm/io/GeoJSONWriterTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/io/GeoJSONWriterTest.java	(revision 10165)
+++ trunk/test/unit/org/openstreetmap/josm/io/GeoJSONWriterTest.java	(revision 10165)
@@ -0,0 +1,63 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.io;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.openstreetmap.josm.JOSMFixture;
+import org.openstreetmap.josm.data.coor.LatLon;
+import org.openstreetmap.josm.data.osm.DataSet;
+import org.openstreetmap.josm.data.osm.Node;
+import org.openstreetmap.josm.gui.layer.OsmDataLayer;
+import org.openstreetmap.josm.gui.preferences.projection.ProjectionPreference;
+
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
+
+public class GeoJSONWriterTest {
+
+    /**
+     * Setup test.
+     */
+    @BeforeClass
+    public static void setUp() {
+        JOSMFixture.createUnitTestFixture().init();
+    }
+
+    @Test
+    public void testPoint() throws Exception {
+        final Node node = new Node(new LatLon(12.3, 4.56));
+        node.put("name", "foo");
+        node.put("source", "code");
+        final DataSet ds = new DataSet();
+        ds.addPrimitive(node);
+        final OsmDataLayer layer = new OsmDataLayer(ds, "foo", null);
+        final GeoJSONWriter writer = new GeoJSONWriter(layer, ProjectionPreference.wgs84.getProjection());
+        assertThat(writer.write().trim(), is(("" +
+                "{\n" +
+                "    'type':'FeatureCollection',\n" +
+                "    'crs':{\n" +
+                "        'type':'name',\n" +
+                "        'properties':{\n" +
+                "            'name':'EPSG:4326'\n" +
+                "        }\n" +
+                "    },\n" +
+                "    'generator':'JOSM',\n" +
+                "    'features':[\n" +
+                "        {\n" +
+                "            'type':'Feature',\n" +
+                "            'properties':{\n" +
+                "                'name':'foo',\n" +
+                "                'source':'code'\n" +
+                "            },\n" +
+                "            'geometry':{\n" +
+                "                'type':'Point',\n" +
+                "                'coordinates':[\n" +
+                "                    4.56000000000,\n" +
+                "                    12.30000000000\n" +
+                "                ]\n" +
+                "            }\n" +
+                "        }\n" +
+                "    ]\n" +
+                "}").replace("'", "\"")));
+    }
+}