public void IsNumericTest()
{
Form1_Accessor target = new Form1_Accessor(); // TODO: 適切な値に初期化してください
Assert.AreEqual(true, target.IsNumeric("1"));
Assert.AreEqual(true, target.IsNumeric("9"));
Assert.AreEqual(false, target.IsNumeric("-"));
Assert.AreEqual(false, target.IsNumeric("."));
Assert.AreEqual(false, target.IsNumeric("a"));
Assert.AreEqual(false, target.IsNumeric("あ"));
}