public static void ConstructorAndFieldTest()
{
Assert.Null(Substring.Null.Origin);
Assert.AreEqual(0, Substring.Null.StartIndex);
Assert.AreEqual(0, Substring.Null.Length);
Assert.Null(Substring.Null.ToString());
Assert.True(object.ReferenceEquals(string.Empty, Substring.Empty.Origin));
Assert.AreEqual(0, Substring.Empty.StartIndex);
Assert.AreEqual(0, Substring.Empty.Length);
Test.OrdinalEquals(string.Empty, Substring.Empty.ToString());
var substr = new Substring("asd");
Test.OrdinalEquals("asd", substr.Origin);
Assert.AreEqual(0, substr.StartIndex);
Assert.AreEqual(3, substr.Length);
Test.OrdinalEquals("asd", substr.ToString());
substr = new Substring("asd", 1);
Test.OrdinalEquals("asd", substr.Origin);
Assert.AreEqual(1, substr.StartIndex);
Assert.AreEqual(2, substr.Length);
Test.OrdinalEquals("sd", substr.ToString());
substr = new Substring("asd", 3);
Test.OrdinalEquals("asd", substr.Origin);
Assert.AreEqual(3, substr.StartIndex);
Assert.AreEqual(0, substr.Length);
Test.OrdinalEquals(string.Empty, substr.ToString());
substr = new Substring("asd", 1, 1);
Test.OrdinalEquals("asd", substr.Origin);
Assert.AreEqual(1, substr.StartIndex);
Assert.AreEqual(1, substr.Length);
Test.OrdinalEquals("s", substr.ToString());
substr = new Substring("asd", 1, 0);
Test.OrdinalEquals("asd", substr.Origin);
Assert.AreEqual(1, substr.StartIndex);
Assert.AreEqual(0, substr.Length);
Test.OrdinalEquals(string.Empty, substr.ToString());
Assert.Throws<ArgumentOutOfRangeException>(() => new Substring("asd", -1));
Assert.Throws<ArgumentOutOfRangeException>(() => new Substring("asd", 4));
Assert.Throws<ArgumentException>(() => new Substring("asd", -1, 0));
Assert.Throws<ArgumentException>(() => new Substring("asd", 4, 0));
Assert.Throws<ArgumentException>(() => new Substring("asd", 0, -1));
Assert.Throws<ArgumentException>(() => new Substring("asd", 0, 4));
Assert.Throws<ArgumentException>(() => new Substring("asd", 3, 1));
}
public void Write( Substring substr )
{
this.Write(substr.ToString());
}
internal static void OrdinalEquals( Substring expected, Substring actual )
{
OrdinalEquals(expected.ToString(), actual.ToString());
}
