X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Fpriority-queue.test.mjs;h=58931859cb02b7d67f63b6d3c25f0948d199c421;hb=2ac6677fd9d31c7132d88980a5f3b239d6949716;hp=0c39e7461b2c6c4ef5cb1fa4e8ac4614e682932e;hpb=bd8b441c7140491657341a2971940ae7fc35222a;p=poolifier.git

diff --git a/tests/priority-queue.test.mjs b/tests/priority-queue.test.mjs
index 0c39e746..58931859 100644
--- a/tests/priority-queue.test.mjs
+++ b/tests/priority-queue.test.mjs
@@ -1,10 +1,31 @@
 import { expect } from 'expect'
 
-// eslint-disable-next-line n/no-missing-import, import/no-unresolved
 import { PriorityQueue } from '../lib/priority-queue.cjs'
 
-describe.skip('Priority queue test suite', () => {
-  it('Verify enqueue() behavior', () => {
+describe('Priority queue test suite', () => {
+  it('Verify constructor() behavior', () => {
+    expect(() => new PriorityQueue('')).toThrow(
+      new TypeError('k must be an integer')
+    )
+    expect(() => new PriorityQueue(-1)).toThrow(
+      new RangeError('k must be greater than or equal to 1')
+    )
+    expect(() => new PriorityQueue(0)).toThrow(
+      new RangeError('k must be greater than or equal to 1')
+    )
+    let priorityQueue = new PriorityQueue()
+    expect(priorityQueue.k).toBe(Infinity)
+    expect(priorityQueue.size).toBe(0)
+    expect(priorityQueue.maxSize).toBe(0)
+    expect(priorityQueue.nodeArray).toStrictEqual([])
+    priorityQueue = new PriorityQueue(2)
+    expect(priorityQueue.k).toBe(2)
+    expect(priorityQueue.size).toBe(0)
+    expect(priorityQueue.maxSize).toBe(0)
+    expect(priorityQueue.nodeArray).toStrictEqual([])
+  })
+
+  it('Verify default k enqueue() behavior', () => {
     const priorityQueue = new PriorityQueue()
     let rtSize = priorityQueue.enqueue(1)
     expect(priorityQueue.size).toBe(1)
@@ -51,7 +72,66 @@ describe.skip('Priority queue test suite', () => {
     ])
   })
 
-  it('Verify dequeue() behavior', () => {
+  it('Verify k=2 enqueue() behavior', () => {
+    const priorityQueue = new PriorityQueue(2)
+    let rtSize = priorityQueue.enqueue(1)
+    expect(priorityQueue.size).toBe(1)
+    expect(priorityQueue.maxSize).toBe(1)
+    expect(rtSize).toBe(priorityQueue.size)
+    expect(priorityQueue.nodeArray).toStrictEqual([{ data: 1, priority: 0 }])
+    rtSize = priorityQueue.enqueue(2)
+    expect(priorityQueue.size).toBe(2)
+    expect(priorityQueue.maxSize).toBe(2)
+    expect(rtSize).toBe(priorityQueue.size)
+    expect(priorityQueue.nodeArray).toStrictEqual([
+      { data: 1, priority: 0 },
+      { data: 2, priority: 0 }
+    ])
+    rtSize = priorityQueue.enqueue(3)
+    expect(priorityQueue.size).toBe(3)
+    expect(priorityQueue.maxSize).toBe(3)
+    expect(rtSize).toBe(priorityQueue.size)
+    expect(priorityQueue.nodeArray).toStrictEqual([
+      { data: 1, priority: 0 },
+      { data: 2, priority: 0 },
+      { data: 3, priority: 0 }
+    ])
+    rtSize = priorityQueue.enqueue(3, -1)
+    expect(priorityQueue.size).toBe(4)
+    expect(priorityQueue.maxSize).toBe(4)
+    expect(rtSize).toBe(priorityQueue.size)
+    expect(priorityQueue.nodeArray).toStrictEqual([
+      { data: 1, priority: 0 },
+      { data: 2, priority: 0 },
+      { data: 3, priority: -1 },
+      { data: 3, priority: 0 }
+    ])
+    rtSize = priorityQueue.enqueue(1, 1)
+    expect(priorityQueue.size).toBe(5)
+    expect(priorityQueue.maxSize).toBe(5)
+    expect(rtSize).toBe(priorityQueue.size)
+    expect(priorityQueue.nodeArray).toStrictEqual([
+      { data: 1, priority: 0 },
+      { data: 2, priority: 0 },
+      { data: 3, priority: -1 },
+      { data: 3, priority: 0 },
+      { data: 1, priority: 1 }
+    ])
+    rtSize = priorityQueue.enqueue(3, -2)
+    expect(priorityQueue.size).toBe(6)
+    expect(priorityQueue.maxSize).toBe(6)
+    expect(rtSize).toBe(priorityQueue.size)
+    expect(priorityQueue.nodeArray).toStrictEqual([
+      { data: 1, priority: 0 },
+      { data: 2, priority: 0 },
+      { data: 3, priority: -1 },
+      { data: 3, priority: 0 },
+      { data: 3, priority: -2 },
+      { data: 1, priority: 1 }
+    ])
+  })
+
+  it('Verify default k dequeue() behavior', () => {
     const priorityQueue = new PriorityQueue()
     priorityQueue.enqueue(1)
     priorityQueue.enqueue(2, -1)
@@ -76,6 +156,64 @@ describe.skip('Priority queue test suite', () => {
     expect(priorityQueue.nodeArray).toStrictEqual([])
   })
 
+  it('Verify k=2 dequeue() behavior', () => {
+    const priorityQueue = new PriorityQueue(2)
+    priorityQueue.enqueue(1)
+    priorityQueue.enqueue(2)
+    priorityQueue.enqueue(3)
+    priorityQueue.enqueue(3, -1)
+    priorityQueue.enqueue(1, 1)
+    priorityQueue.enqueue(3, -2)
+    let rtItem = priorityQueue.dequeue(3)
+    expect(priorityQueue.size).toBe(5)
+    expect(priorityQueue.maxSize).toBe(6)
+    expect(rtItem).toBe(3)
+    expect(priorityQueue.nodeArray).toStrictEqual([
+      { data: 1, priority: 0 },
+      { data: 2, priority: 0 },
+      { data: 3, priority: -1 },
+      { data: 3, priority: 0 },
+      { data: 1, priority: 1 }
+    ])
+    rtItem = priorityQueue.dequeue()
+    expect(priorityQueue.size).toBe(4)
+    expect(priorityQueue.maxSize).toBe(6)
+    expect(rtItem).toBe(1)
+    expect(priorityQueue.nodeArray).toStrictEqual([
+      { data: 2, priority: 0 },
+      { data: 3, priority: -1 },
+      { data: 3, priority: 0 },
+      { data: 1, priority: 1 }
+    ])
+    rtItem = priorityQueue.dequeue(2)
+    expect(priorityQueue.size).toBe(3)
+    expect(priorityQueue.maxSize).toBe(6)
+    expect(rtItem).toBe(3)
+    expect(priorityQueue.nodeArray).toStrictEqual([
+      { data: 2, priority: 0 },
+      { data: 3, priority: -1 },
+      { data: 1, priority: 1 }
+    ])
+    rtItem = priorityQueue.dequeue(2)
+    expect(priorityQueue.size).toBe(2)
+    expect(priorityQueue.maxSize).toBe(6)
+    expect(rtItem).toBe(1)
+    expect(priorityQueue.nodeArray).toStrictEqual([
+      { data: 2, priority: 0 },
+      { data: 3, priority: -1 }
+    ])
+    rtItem = priorityQueue.dequeue(2)
+    expect(priorityQueue.size).toBe(1)
+    expect(priorityQueue.maxSize).toBe(6)
+    expect(rtItem).toBe(2)
+    expect(priorityQueue.nodeArray).toStrictEqual([{ data: 3, priority: -1 }])
+    rtItem = priorityQueue.dequeue()
+    expect(priorityQueue.size).toBe(0)
+    expect(priorityQueue.maxSize).toBe(6)
+    expect(rtItem).toBe(3)
+    expect(priorityQueue.nodeArray).toStrictEqual([])
+  })
+
   it('Verify peekFirst() behavior', () => {
     const priorityQueue = new PriorityQueue()
     priorityQueue.enqueue(1)
@@ -96,6 +234,18 @@ describe.skip('Priority queue test suite', () => {
     expect(priorityQueue.size).toBe(3)
   })
 
+  it('Verify iterator behavior', () => {
+    const priorityQueue = new PriorityQueue()
+    priorityQueue.enqueue(1)
+    priorityQueue.enqueue(2)
+    priorityQueue.enqueue(3)
+    let i = 1
+    for (const value of priorityQueue) {
+      expect(value).toBe(i)
+      ++i
+    }
+  })
+
   it('Verify clear() behavior', () => {
     const priorityQueue = new PriorityQueue()
     priorityQueue.enqueue(1)