Add tests for PrioritizedTaskExecutor

test/prioritizedTaskExecutor.js

@@ -0,0 +1,23 @@
+const PrioritizedTaskExecutor = require('../prioritizedTaskExecutor.js')
+const tape = require('tape')
+const taskExecutor = new PrioritizedTaskExecutor(2)
+
+tape('prioritized task executor test', function (t) {
+  var tasks = [1, 2, 3, 4]
+  var callbacks = []
+  var executionOrder = []
+  tasks.forEach(function (task) {
+    taskExecutor.execute(task, function (cb) {
+      executionOrder.push(task)
+      callbacks.push(cb)
+    })
+  })
+
+  callbacks.forEach(function (callback) {
+    callback()
+  })
+
+  var expectedExecutionOrder = [1, 2, 4, 3]
+  t.deepEqual(executionOrder, expectedExecutionOrder)
+  t.end()
+})