Refactored main class, improved a few things here and there. Looks polished enough

tests/jobs_test.php

@@ -0,0 +1,38 @@
+<?php
+
+    // Import everything
+    require 'ncc';
+    require __DIR__ . DIRECTORY_SEPARATOR . 'ExampleClass.php';
+    import('net.nosial.tamerlib');
+
+    // Initialize TamerLib
+    \TamerLib\tm::initialize(\TamerLib\Enums\TamerMode::CLIENT);
+    // Start 8 workers.
+    \TamerLib\tm::createWorker(12, __DIR__ . DIRECTORY_SEPARATOR . 'worker.php');
+
+    // For testing purposes
+    $total_sleep = 0;
+
+    // Run 5 sleep jobs
+    for($i = 0; $i < 5; $i++)
+    {
+        $sleep_time = random_int(1, 5);
+        \TamerLib\tm::sleep($sleep_time);
+        $total_sleep += $sleep_time;
+    }
+
+    // Run 30 pi jobs
+    for($i = 0; $i < 30; $i++)
+    {
+        \TamerLib\tm::pi(50);
+    }
+
+    // Wait for all the jobs to complete
+    $start_time = time();
+    \TamerLib\tm::wait(static function($job_id, $return){
+        echo sprintf('Job %s completed with return value %s.', $job_id, $return) . PHP_EOL;
+    });
+
+    // Script ends here once all the jobs are complete.
+    echo sprintf('Total sleep time: %s seconds.', $total_sleep) . PHP_EOL;
+    echo sprintf('Total execution time: %s seconds.', time() - $start_time) . PHP_EOL;