| //===- 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 |