@Test public void testTnxMapContainsKey() throws Exception { final String mapName = randomString(); IMap map = client.getMap(mapName); map.put("key1", "value1"); final TransactionContext context = client.newTransactionContext(); context.beginTransaction(); final TransactionalMap txMap = context.getMap(mapName); txMap.put("key2", "value2"); assertTrue(txMap.containsKey("key1")); assertTrue(txMap.containsKey("key2")); assertFalse(txMap.containsKey("key3")); context.commitTransaction(); }