public void testCut()
{
StringTheory theory = new StringTheory("0123456789");
string str = theory.Cut(4, 4);
Assert.True(str.Length == 4, "Copied string length is wrong!");
Assert.True(theory.Length == 6, "Original StringTheory length is wrong!");
theory.Renew("");
Assert.True(theory.Cut(0, 1).Equals(""), "bogus Cut didn't return empty.");
theory.Renew("");
Assert.True(theory.Cut(0, -1).Equals(""), "bogus Cut (2) didn't return empty.");
}
public void testCutAndPaste()
{
StringTheory theory = new StringTheory("0123456789");
StringTheory theory2 = new StringTheory();
string val = theory.Cut(4, 4);
Assert.True(val.Length == 4, "Copied string length is wrong!");
Assert.True(theory.Length == 6, "Original StringTheory length is wrong!");
theory2.Paste(0, val);
Assert.True(theory2.Length == 4, "Target StringTheory length is wrong!");
}
public void testTouched()
{
StringTheory theory = new StringTheory("mares eat oats");
theory.Append(theory.Cut(5, 4));
Assert.True(theory.Touched(), "str doesn't think it was touched.");
theory = new StringTheory("mares eat oats");
theory.Upper(7);
Assert.True(theory.Touched(), "str doesn't think it was touched. 2");
}