public void ShouldConvert()
{
Assert.AreEqual("44 444", T9Converter.ToKeys("hi"));
Assert.AreEqual("999 33 7777", T9Converter.ToKeys("yes"));
Assert.AreEqual("333 666 666 0 0 22 2 777", T9Converter.ToKeys("foo bar"));
Assert.AreEqual("44 33 555 555 666 0 9 666 777 555 3", T9Converter.ToKeys("hello world"));
}
public void ShouldThrowIfOutOfLimit()
{
Assert.ThrowsException <ArgumentException>(() => T9Converter.ToKeys(""));
var input = string.Empty;
while (input.Length < 1001)
{
input += " ";
}
Assert.ThrowsException <ArgumentException>(() => T9Converter.ToKeys(input));
}
public void ShouldThrowIfCharaterNotAllowed()
{
Assert.ThrowsException <ArgumentException>(() => T9Converter.ToKeys("русский"));
Assert.ThrowsException <ArgumentException>(() => T9Converter.ToKeys("$%@#$"));
Assert.ThrowsException <ArgumentException>(() => T9Converter.ToKeys("123"));
}
