posaunehm

きょんさんの資料, 自動テストの誤解とアンチパターン in 楽天 Tech Talkを読んでもやもやしたところをつらつらと。

疑問

• 因子水準

  • ググると実験計画法が出てくる
  • 自由度的な意味で捉えればOK？

• 「統合テスト実装者が得る幅広いプログラミングスキルとアーキテクチャ知識である」

  • 主客逆では？

posaunehm

// Refer follwing modules:
//  using System.Collections.Generic;
//  using System.Net.Http;
//  using System.Web.Script.Serialization;

private async void Application_Startup(object sender, StartupEventArgs e)
{
    var clientId = "xxxxxxxxxxxx";
    var clientSecret = "xxxxxxxxxxxxxxx";
    var topicId = 0; //use your topic id

posaunehm

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            if (
                System.Console.OpenStandardOutput()
                .WriteAsync(System.Text.Encoding.Default.GetBytes("Hello Semicolonless World !!"), 0, System.Text.Encoding.Default.GetBytes("Hello Semicolonless World !!").Length) == null)
            { }

posaunehm

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Data;
using System.Windows.Controls;
using System.Windows;

namespace Infrastructure.Extensions
{

posaunehm

        public static Type[] GetTypes(this Assembly assembly, bool ignoreReflectionTypeloadException)
        {
            if(ignoreReflectionTypeloadException)
            {
                Type[] types;
                try
                {
                    types = assembly.GetTypes();
                }
                catch (ReflectionTypeLoadException ex)

posaunehm

        static readonly Vector ANGLE_BASE_VECTOR = new Vector(1, 0);

        /// <summary>
        /// ベクトルの角度をDegreeで返します
        /// </summary>
        /// <param name="vector">ベクトル</param>
        /// <returns>角度（Degree値）</returns>
        public static double GetAngle(this Vector vector)
        {
            return Vector.AngleBetween(ANGLE_BASE_VECTOR, vector);

posaunehm

public static IEnumerable<int> BucketSort(IEnumerable<int> input)
{
    int[] bucket = new int[input.Max() + 1];
    foreach(var ele in input)
    {
        bucket[ele]++;
    }
    return bucket.SelectMany((i, ele) => Enumerable.Range(0, i).Select(_ => ele));
}

posaunehm

static IEnumerable<Control> EnumurateAllControl(Control root)
{
    yield return root;
    foreach (var ctrl in root.Controls.Cast<Control>().SelectMany(c => EnumurateAllControl(c)))
    {
        yield return ctrl;
    }
}

posaunehm

static IEnumerable<System.Windows.DependencyObject> EnumurateAllElement(System.Windows.DependencyObject root)
{
    yield return root;
    foreach (var element in GetChilren(root).SelectMany(ele => EnumurateAllElement(ele)))
    {
        yield return element;
    }
}

static IEnumerable<System.Windows.DependencyObject> GetChilren(System.Windows.DependencyObject root)

posaunehm

Console.Write(
	string.Concat(
		Enumerable.Range(1,100).SelectMany(ele => ele.ToString() + System.Environment.NewLine))
	);