1 files changed, 52 insertions, 0 deletions
diff --git a/jrt/tests/com/yahoo/jrt/slobrok/api/BackOffTestCase.java b/jrt/tests/com/yahoo/jrt/slobrok/api/BackOffTestCase.java
new file mode 100644
index 00000000000..6e3e7443e3d
--- /dev/null
+++ b/jrt/tests/com/yahoo/jrt/slobrok/api/BackOffTestCase.java
@@ -0,0 +1,52 @@
+// Copyright 2016 Yahoo Inc. 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));
+            }
+        }
+
+    }
+}