public void TestMethod1_ToAlphabet()
{
Assert.AreEqual(Henkan.ToAlphabet(1), "A");
Assert.AreEqual(Henkan.ToAlphabet(26), "Z");
Assert.AreEqual(Henkan.ToAlphabet(27), "AA");
Assert.AreEqual(Henkan.ToAlphabet(702), "ZZ");
Assert.AreEqual(Henkan.ToAlphabet(2147483647), "FXSHRXW");
Assert.AreEqual(Henkan.ToAlphabet(0), "");
Assert.AreEqual(Henkan.ToAlphabet(-1), "");
}
public void TestMethod2_ToInt()
{
Assert.AreEqual(Henkan.ToInt("A"), 1);
Assert.AreEqual(Henkan.ToInt("Z"), 26);
Assert.AreEqual(Henkan.ToInt("AA"), 27);
Assert.AreEqual(Henkan.ToInt("ZZ"), 702);
Assert.AreEqual(Henkan.ToInt("FXSHRXW"), 2147483647);
Assert.AreEqual(Henkan.ToInt("1"), 0);
Assert.AreEqual(Henkan.ToInt("-"), 0);
Assert.AreEqual(Henkan.ToInt(";"), 0);
Assert.AreEqual(Henkan.ToInt("/"), 0);
}