/*
* 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 under the License.
*/
package org.apache.kafka.streams.kstream;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
public class WindowTest {
static class TestWindow extends Window {
TestWindow(final long startMs, final long endMs) {
super(startMs, endMs);
}
@Override
public boolean overlap(final Window other) {
return false;
}
}
static class TestWindow2 extends Window {
TestWindow2(final long startMs, final long endMs) {
super(startMs, endMs);
}
@Override
public boolean overlap(final Window other) {
return false;
}
}
private final TestWindow window = new TestWindow(5, 10);
@Test(expected = IllegalArgumentException.class)
public void shouldThrowIfStartIsNegative() {
new TestWindow(-1, 0);
}
@Test(expected = IllegalArgumentException.class)
public void shouldThrowIfEndIsSmallerThanStart() {
new TestWindow(1, 0);
}
@Test
public void shouldBeEqualIfStartAndEndSame() {
final TestWindow window2 = new TestWindow(window.startMs, window.endMs);
assertEquals(window, window);
assertEquals(window, window2);
assertEquals(window2, window);
}
@Test
public void shouldNotBeEqualIfNull() {
assertNotEquals(window, null);
}
@Test
public void shouldNotBeEqualIfStartOrEndIsDifferent() {
assertNotEquals(window, new TestWindow(0, window.endMs));
assertNotEquals(window, new TestWindow(7, window.endMs));
assertNotEquals(window, new TestWindow(window.startMs, 7));
assertNotEquals(window, new TestWindow(window.startMs, 15));
assertNotEquals(window, new TestWindow(7, 8));
assertNotEquals(window, new TestWindow(0, 15));
}
@Test
public void shouldNotBeEqualIfDifferentWindowType() {
assertNotEquals(window, new TestWindow2(window.startMs, window.endMs));
}
}