/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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
* under the License.
*/
package org.elasticsearch.common;
import org.elasticsearch.common.io.stream.BytesStreamOutput;
import org.elasticsearch.test.ESTestCase;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public class PriorityTests extends ESTestCase {
public void testValueOf() {
for (Priority p : Priority.values()) {
assertSame(p, Priority.valueOf(p.toString()));
}
IllegalArgumentException exception = expectThrows(IllegalArgumentException.class, () -> {
Priority.valueOf("foobar");
});
assertEquals("No enum constant org.elasticsearch.common.Priority.foobar", exception.getMessage());
}
public void testToString() {
assertEquals("IMMEDIATE", Priority.IMMEDIATE.toString());
assertEquals("HIGH", Priority.HIGH.toString());
assertEquals("LANGUID", Priority.LANGUID.toString());
assertEquals("LOW", Priority.LOW.toString());
assertEquals("URGENT", Priority.URGENT.toString());
assertEquals("NORMAL", Priority.NORMAL.toString());
assertEquals(6, Priority.values().length);
}
public void testSerialization() throws IOException {
for (Priority p : Priority.values()) {
BytesStreamOutput out = new BytesStreamOutput();
Priority.writeTo(p, out);
Priority priority = Priority.readFrom(out.bytes().streamInput());
assertSame(p, priority);
}
assertSame(Priority.IMMEDIATE, Priority.fromByte((byte) 0));
assertSame(Priority.HIGH, Priority.fromByte((byte) 2));
assertSame(Priority.LANGUID, Priority.fromByte((byte) 5));
assertSame(Priority.LOW, Priority.fromByte((byte) 4));
assertSame(Priority.NORMAL, Priority.fromByte((byte) 3));
assertSame(Priority.URGENT,Priority.fromByte((byte) 1));
assertEquals(6, Priority.values().length);
}
public void testCompareTo() {
assertTrue(Priority.IMMEDIATE.compareTo(Priority.URGENT) < 0);
assertTrue(Priority.URGENT.compareTo(Priority.HIGH) < 0);
assertTrue(Priority.HIGH.compareTo(Priority.NORMAL) < 0);
assertTrue(Priority.NORMAL.compareTo(Priority.LOW) < 0);
assertTrue(Priority.LOW.compareTo(Priority.LANGUID) < 0);
assertTrue(Priority.URGENT.compareTo(Priority.IMMEDIATE) > 0);
assertTrue(Priority.HIGH.compareTo(Priority.URGENT) > 0);
assertTrue(Priority.NORMAL.compareTo(Priority.HIGH) > 0);
assertTrue(Priority.LOW.compareTo(Priority.NORMAL) > 0);
assertTrue(Priority.LANGUID.compareTo(Priority.LOW) > 0);
for (Priority p : Priority.values()) {
assertEquals(0, p.compareTo(p));
}
List<Priority> shuffeledAndSorted = Arrays.asList(Priority.values());
Collections.shuffle(shuffeledAndSorted, random());
Collections.sort(shuffeledAndSorted);
for (List<Priority> priorities : Arrays.asList(shuffeledAndSorted,
Arrays.asList(Priority.values()))) { // #values() guarantees order!
assertSame(Priority.IMMEDIATE, priorities.get(0));
assertSame(Priority.URGENT, priorities.get(1));
assertSame(Priority.HIGH, priorities.get(2));
assertSame(Priority.NORMAL, priorities.get(3));
assertSame(Priority.LOW, priorities.get(4));
assertSame(Priority.LANGUID, priorities.get(5));
}
}
}