[ONOS-6594] Upgrade to Atomix 2.0.0

Change-Id: I6534bca1c8570b4e017f682953b876da29146675
diff --git a/core/store/primitives/src/test/java/org/onosproject/store/primitives/resources/impl/AtomixCounterTest.java b/core/store/primitives/src/test/java/org/onosproject/store/primitives/resources/impl/AtomixCounterTest.java
new file mode 100644
index 0000000..2e334d6
--- /dev/null
+++ b/core/store/primitives/src/test/java/org/onosproject/store/primitives/resources/impl/AtomixCounterTest.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.store.primitives.resources.impl;
+
+import io.atomix.protocols.raft.proxy.RaftProxy;
+import io.atomix.protocols.raft.service.RaftService;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Unit tests for {@link AtomixCounter}.
+ */
+public class AtomixCounterTest extends AtomixTestBase<AtomixCounter> {
+    @Override
+    protected RaftService createService() {
+        return new AtomixCounterService();
+    }
+
+    @Override
+    protected AtomixCounter createPrimitive(RaftProxy proxy) {
+        return new AtomixCounter(proxy);
+    }
+
+    @Test
+    public void testBasicOperations() throws Throwable {
+        basicOperationsTest();
+    }
+
+    protected void basicOperationsTest() throws Throwable {
+        AtomixCounter along = newPrimitive("test-counter-basic-operations");
+        assertEquals(0, along.get().join().longValue());
+        assertEquals(1, along.incrementAndGet().join().longValue());
+        along.set(100).join();
+        assertEquals(100, along.get().join().longValue());
+        assertEquals(100, along.getAndAdd(10).join().longValue());
+        assertEquals(110, along.get().join().longValue());
+        assertFalse(along.compareAndSet(109, 111).join());
+        assertTrue(along.compareAndSet(110, 111).join());
+        assertEquals(100, along.addAndGet(-11).join().longValue());
+        assertEquals(100, along.getAndIncrement().join().longValue());
+        assertEquals(101, along.get().join().longValue());
+    }
+}