public void TestReverseOnlyLetters()
{
var demo = new ReverseOnlyLetters();
var rand = new Random();
for (int i = 0; i < 1000; i++)
{
var len = rand.Next(10) + 25;
char[] arr = new char[len];
for (int j = 0; j < len; j++)
{
arr[j] = (char)(rand.Next('z') + 65);
}
var str = new string(arr);
//var solution = demo.Solution(str);
//var otherSolution = demo.OtherSolution(str);
var otherSolution = StopWatchTools.CountTime(() => demo.OtherSolution(str));
var solution = StopWatchTools.CountTime(() => demo.Solution(str));
_output.WriteLine($@"
str:{str}
solution time:{solution}
otherSolution time:{otherSolution}
");
// _output.WriteLine($@"
//str:{str}
//solution:{solution}
//otherSolution:{otherSolution}
//");
// Assert.Equal(solution, otherSolution);
}
}
private static void TestNormalVsLinqEach()
{
var json = @"[]";
var info = JsonConvert.DeserializeObject <List <dynamic> >(json);
Action normalAction = () =>
{
foreach (var item in info)
{
var user = item.user;
if (user != null)
{
user.name = "encode";
}
}
};
//相差不大且耗时
Action linqAction = () =>
{
info = info.Select(u =>
{
var user = u.user;
if (user != null)
{
user.name = "decode";
}
return(u);
}).ToList();
};
for (int i = 0; i < 100; i++)
{
Console.WriteLine($"--------------{i + 1}-----------------");
StopWatchTools.ShowCountTime(normalAction, nameof(normalAction));
StopWatchTools.ShowCountTime(linqAction, nameof(linqAction));
}
}
