public void GetInt_DontHaveProbability()
{
try
{
_weightedRandom.GetInt();
Assert.Fail();
}
catch (ArgumentException)
{
}
catch (Exception)
{
Assert.Fail();
}
}
void DoShow(Dictionary <int, int> probabilities)
{
WeightedRandom weightedRandom = new WeightedRandom(probabilities);
Dictionary <int, int> numberTime = probabilities.ToDictionary(p => p.Key, p => 0); // 第二个 Lambda 以 KeyValuePair 为参数，但直接返回 0
for (int i = 0; i < _loopTime; i++)
{
numberTime[weightedRandom.GetInt()]++;
}
StringBuilder sb = new StringBuilder("获取" + _loopTime + "次随机数\n");
foreach (KeyValuePair <int, int> item in numberTime)
{
sb.Append(item.Key + "：" + item.Value + "次：" + item.Value / (float)_loopTime * 100 + "%\n");
}
_resultText.text = sb.ToString();
}
