build: Add a test for consistency of nested object types.

See old isse #412

neo4j-jdbc-it/neo4j-jdbc-it-cp/src/test/java/org/neo4j/driver/it/cp/StatementIT.java

@@ -28,6 +28,7 @@
 import java.util.Calendar;
 import java.util.Date;
 import java.util.GregorianCalendar;
+import java.util.Map;
 import java.util.TimeZone;
 import java.util.UUID;
 import java.util.stream.Stream;
@@ -460,4 +461,28 @@ private Stream<Arguments> getExecuteWithRowLimitArgs() {
 				Arguments.of(1000, 5000, 1000), Arguments.of(0, 0, 1000));
 	}
 
+	// GH-412
+	@SuppressWarnings("unchecked")
+	@Test
+	void mappingOfTimestampsMustBeConsistent() throws SQLException {
+		var query = """
+				WITH datetime('2015-06-24T12:50:35.556+0100') AS zonedDateTime
+				RETURN
+					zonedDateTime,
+					[zonedDateTime] AS zonedDateTimeList,
+					{zonedDateTime: zonedDateTime} AS zonedDateTimeDictionary""";
+		try (var connection = getConnection(); var results = connection.createStatement().executeQuery(query)) {
+
+			while (results.next()) {
+				var theDateTime = results.getObject("zonedDateTime");
+				assertThat(theDateTime).isInstanceOf(ZonedDateTime.class);
+				theDateTime = ((Iterable<Object>) results.getObject("zonedDateTimeList")).iterator().next();
+				assertThat(theDateTime).isInstanceOf(ZonedDateTime.class);
+				theDateTime = ((Map<String, Object>) results.getObject("zonedDateTimeDictionary")).get("zonedDateTime");
+				assertThat(theDateTime).isInstanceOf(ZonedDateTime.class);
+			}
+
+		}
+	}
+
 }