/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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*/
package org.apache.jackrabbit.oak.kernel;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertNotNull;
import static junit.framework.Assert.assertNull;
import org.apache.jackrabbit.mk.api.MicroKernel;
import org.apache.jackrabbit.mk.model.ChildNodeEntry;
import org.apache.jackrabbit.mk.model.NodeState;
import org.apache.jackrabbit.mk.simple.SimpleKernelImpl;
import org.junit.Before;
import org.junit.Test;
public class LargeKernelNodeStateTest {
private final int N = KernelNodeState.MAX_CHILD_NODE_NAMES;
private NodeState state;
@Before
public void setUp() {
MicroKernel kernel =
new SimpleKernelImpl("mem:LargeKernelNodeStateTest");
StringBuilder jsop = new StringBuilder("+\"test\":{\"a\":1");
for (int i = 0; i <= N; i++) {
jsop.append(",\"x" + i + "\":{}");
}
jsop.append("}");
String revision = kernel.commit(
"/", jsop.toString(), kernel.getHeadRevision(), "test data");
state = new KernelNodeState(kernel, "/test", revision);
}
@Test
public void testGetChildNodeCount() {
assertEquals(N + 1, state.getChildNodeCount());
}
@Test
public void testGetChildNode() {
assertNotNull(state.getChildNode("x0"));
assertNotNull(state.getChildNode("x1"));
assertNotNull(state.getChildNode("x" + N));
assertNull(state.getChildNode("x" + (N + 1)));
}
@Test
@SuppressWarnings("unused")
public void testGetChildNodeEntries() {
long count = 0;
for (ChildNodeEntry entry : state.getChildNodeEntries(0, -1)) {
count++;
}
assertEquals(N + 1, count);
}
@Test
@SuppressWarnings("unused")
public void testGetChildNodeEntriesWithOffset() {
long count = 0;
for (ChildNodeEntry entry : state.getChildNodeEntries(N, -1)) {
count++;
}
assertEquals(1, count);
// Offset beyond the range
assertFalse(state.getChildNodeEntries(N + 1, -1).iterator().hasNext());
}
@Test
@SuppressWarnings("unused")
public void testGetChildNodeEntriesWithCount() {
long count = 0;
for (ChildNodeEntry entry : state.getChildNodeEntries(0, N + 1)) {
count++;
}
assertEquals(N + 1, count);
// Zero count
assertFalse(state.getChildNodeEntries(0, 0).iterator().hasNext());
}
}