public void LazySubstring_ReturnsCorrectSubstring(string text)
{
var substring = new LazySubstring(text);
Assert.AreEqual(0, substring.Offset);
Assert.AreEqual(text.Length, substring.Length);
Assert.AreEqual(text, substring.AsSpan().ToString());
Assert.AreEqual(text, substring.AsSpan().ToString());
Assert.AreEqual(0, substring.Offset);
Assert.AreEqual(text.Length, substring.Length);
Assert.AreSame(substring.ToString(), substring.ToString());
Assert.AreEqual(text, substring.ToString());
Assert.AreEqual(0, substring.Offset);
Assert.AreEqual(text.Length, substring.Length);
Assert.AreEqual(text, substring.AsSpan().ToString());
Assert.AreEqual(text, substring.AsSpan().ToString());
Assert.AreEqual(0, substring.Offset);
Assert.AreEqual(text.Length, substring.Length);
}
public void LazySubstring_ReturnsCorrectSubstring(string text, int start, int length)
{
var substring = new LazySubstring(text, start, length);
Assert.AreEqual(start, substring.Offset);
Assert.AreEqual(length, substring.Length);
string expectedSubstring = text.Substring(start, length);
Assert.AreEqual(expectedSubstring, substring.AsSpan().ToString());
Assert.AreEqual(expectedSubstring, substring.AsSpan().ToString());
Assert.AreEqual(start, substring.Offset);
Assert.AreEqual(length, substring.Length);
Assert.AreSame(substring.ToString(), substring.ToString());
Assert.AreEqual(expectedSubstring, substring.ToString());
Assert.AreEqual(0, substring.Offset);
Assert.AreEqual(length, substring.Length);
Assert.AreEqual(expectedSubstring, substring.AsSpan().ToString());
Assert.AreEqual(expectedSubstring, substring.AsSpan().ToString());
Assert.AreEqual(0, substring.Offset);
Assert.AreEqual(length, substring.Length);
}