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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jrt.slobrok.api;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* @author arnej27959
*/
public class BackOffTestCase {
static final double[] expectWait = {
0.5, 1.0, 1.5, 2.0, 2.5,
3.0, 3.5, 4.0, 4.5,
5.0, 6.0, 7.0, 8.0, 9.0,
10, 15, 20, 25, 30, 30, 30
};
@Test
public void requireThatWaitTimesAreExpected() {
double sum = 0;
BackOffPolicy two = new BackOff();
for (int i = 0; i < expectWait.length; i++) {
double got = two.get();
sum += got;
assertEquals(expectWait[i], got, 0.001);
boolean sw = two.shouldWarn(got);
/*
System.err.println("i = "+i);
System.err.println("got = "+got);
System.err.println("sum = "+sum);
System.err.println("sw = "+sw);
*/
if (i == 13 || i > 17) {
assertTrue(two.shouldWarn(got));
} else {
assertFalse(two.shouldWarn(got));
}
}
two.reset();
for (int i = 0; i < expectWait.length; i++) {
double got = two.get();
assertEquals(expectWait[i], got, 0.001);
if (i == 13 || i > 17) {
assertTrue(two.shouldWarn(got));
} else {
assertFalse(two.shouldWarn(got));
}
}
}
}
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