From: Jérôme Benoit <jerome.benoit@sap.com>
Date: Tue, 9 May 2023 08:55:43 +0000 (+0200)
Subject: test: add queue tests
X-Git-Tag: v2.4.14~5
X-Git-Url: https://git.piment-noir.org/?a=commitdiff_plain;h=b865d9856cf15e788451b2e3702f04c9a8a25030;p=poolifier.git

test: add queue tests

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
---

diff --git a/tests/queue.test.js b/tests/queue.test.js
new file mode 100644
index 000000000..932111066
--- /dev/null
+++ b/tests/queue.test.js
@@ -0,0 +1,51 @@
+const { expect } = require('expect')
+const { Queue } = require('../lib/queue')
+
+describe('Queue test suite', () => {
+  it('Verify enqueue() behavior', () => {
+    const queue = new Queue()
+    let rtSize = queue.enqueue(1)
+    expect(queue.size).toBe(1)
+    expect(rtSize).toBe(queue.size)
+    expect(queue.head).toBe(0)
+    expect(queue.tail).toBe(1)
+    expect(queue.items).toStrictEqual({ 0: 1 })
+    rtSize = queue.enqueue(2)
+    expect(queue.size).toBe(2)
+    expect(rtSize).toBe(queue.size)
+    expect(queue.head).toBe(0)
+    expect(queue.tail).toBe(2)
+    expect(queue.items).toStrictEqual({ 0: 1, 1: 2 })
+    rtSize = queue.enqueue(3)
+    expect(queue.size).toBe(3)
+    expect(rtSize).toBe(queue.size)
+    expect(queue.head).toBe(0)
+    expect(queue.tail).toBe(3)
+    expect(queue.items).toStrictEqual({ 0: 1, 1: 2, 2: 3 })
+  })
+
+  it('Verify dequeue() behavior', () => {
+    const queue = new Queue()
+    queue.enqueue(1)
+    queue.enqueue(2)
+    queue.enqueue(3)
+    let rtItem = queue.dequeue()
+    expect(queue.size).toBe(2)
+    expect(rtItem).toBe(1)
+    expect(queue.head).toBe(1)
+    expect(queue.tail).toBe(3)
+    expect(queue.items).toStrictEqual({ 1: 2, 2: 3 })
+    rtItem = queue.dequeue()
+    expect(queue.size).toBe(1)
+    expect(rtItem).toBe(2)
+    expect(queue.head).toBe(2)
+    expect(queue.tail).toBe(3)
+    expect(queue.items).toStrictEqual({ 2: 3 })
+    rtItem = queue.dequeue()
+    expect(queue.size).toBe(0)
+    expect(rtItem).toBe(3)
+    expect(queue.head).toBe(0)
+    expect(queue.tail).toBe(0)
+    expect(queue.items).toStrictEqual({})
+  })
+})