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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/slobrok/backoff.h>
#include <vespa/log/log.h>
LOG_SETUP("backoff_test");
using slobrok::api::BackOff;
TEST_SETUP(Test);
//-----------------------------------------------------------------------------
int
Test::Main()
{
TEST_INIT("backoff_test");
BackOff one;
EXPECT_FALSE(one.shouldWarn());
EXPECT_EQUAL(0.500, one.get());
EXPECT_FALSE(one.shouldWarn());
EXPECT_EQUAL(1.000, one.get());
EXPECT_FALSE(one.shouldWarn());
EXPECT_EQUAL(1.500, one.get());
EXPECT_TRUE(one.shouldWarn());
for (int i = 4; i < 41; i++) {
EXPECT_EQUAL(0.5 * i, one.get());
}
for (int i = 1; i < 1000; i++) {
EXPECT_EQUAL(20.0, one.get());
}
TEST_FLUSH();
BackOff two;
EXPECT_FALSE(two.shouldWarn());
for (int i = 1; i < 50; i++) {
double expect = 0.5 * i;
if (expect > 20.0) expect = 20.0;
EXPECT_EQUAL(expect, two.get());
if (i == 3 || i == 8 || i == 18) {
EXPECT_TRUE(two.shouldWarn());
} else {
EXPECT_FALSE(two.shouldWarn());
}
}
two.reset();
EXPECT_FALSE(two.shouldWarn());
for (int i = 1; i < 50; i++) {
double expect = 0.5 * i;
if (expect > 20.0) expect = 20.0;
EXPECT_EQUAL(expect, two.get());
if (i == 3 || i == 8 || i == 18) {
EXPECT_TRUE(two.shouldWarn());
} else {
EXPECT_FALSE(two.shouldWarn());
}
}
for (int i = 0; i < 50000; i++) {
EXPECT_EQUAL(20.0, two.get());
if ((i % 180) == 5) {
EXPECT_TRUE(two.shouldWarn());
} else {
EXPECT_FALSE(two.shouldWarn());
}
}
TEST_DONE();
}
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