Java/src/test/java/com/thealgorithms/datastructures/queues/ThreadSafeQueueTest.java at 32933977bb546b9e4c3c3c6d17fe49facb8c6455 · prashantpiyush1111/Java · GitHub

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package com.thealgorithms.datastructures.queues;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.Test;

class ThreadSafeQueueTest {

    @Test
    void testQueueOperations() {
        ThreadSafeQueue<Integer> queue = new ThreadSafeQueue<>();

        assertTrue(queue.isEmpty());

        queue.enqueue(1);
        queue.enqueue(2);

        assertFalse(queue.isEmpty());

        assertEquals(1, queue.dequeue());
        assertEquals(2, queue.dequeue());

        assertTrue(queue.isEmpty());
    }

    @Test
    void testDequeueEmpty() {
        ThreadSafeQueue<Integer> queue = new ThreadSafeQueue<>();

        assertNull(queue.dequeue());
    }
}