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//===- unittests/ExponentialBackoffTest.cpp -------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/ExponentialBackoff.h"
#include "gtest/gtest.h"
#include <chrono>
using namespace llvm;
using namespace std::chrono_literals;
namespace {
TEST(ExponentialBackoffTest, Timeout) {
auto Start = std::chrono::steady_clock::now();
// Use short enough times that this test runs quickly.
ExponentialBackoff Backoff(100ms, 1ms, 10ms);
do {
} while (Backoff.waitForNextAttempt());
auto Duration = std::chrono::steady_clock::now() - Start;
EXPECT_GE(Duration, 100ms);
}
// Testing individual wait duration is omitted as those tests would be
// non-deterministic.
} // end anonymous namespace
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