DefaultMockTickerTest.java — netty Source File

Source Code

/*
 * Copyright 2025 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.util.concurrent;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Timeout;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletionException;
import java.util.concurrent.FutureTask;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

class DefaultMockTickerTest {

    @Test
    void newMockTickerShouldReturnDefaultMockTicker() {
        assertTrue(Ticker.newMockTicker() instanceof DefaultMockTicker);
    }

    @Test
    void defaultValues() {
        final MockTicker ticker = Ticker.newMockTicker();
        assertEquals(0, ticker.initialNanoTime());
        assertEquals(0, ticker.nanoTime());
    }

    @Test
    void advanceWithoutWaiters() {
        final MockTicker ticker = Ticker.newMockTicker();
        ticker.advance(42, TimeUnit.NANOSECONDS);
        assertEquals(0, ticker.initialNanoTime());
        assertEquals(42, ticker.nanoTime());

        ticker.advanceMillis(42);
        assertEquals(42_000_042, ticker.nanoTime());
    }

    @Test
    void advanceWithNegativeAmount() {
        final MockTicker ticker = Ticker.newMockTicker();
        assertThrows(IllegalArgumentException.class, () -> {
// ... (89 more lines)