public static void Replace_String_Invalid()
{
var builder = new StringBuilder(0, 5);
builder.Append("Hello");
Assert.Throws<ArgumentNullException>("oldValue", () => builder.Replace(null, "")); // Old value is null
Assert.Throws<ArgumentNullException>("oldValue", () => builder.Replace(null, "a", 0, 0)); // Old value is null
Assert.Throws<ArgumentException>("oldValue", () => builder.Replace("", "a")); // Old value is empty
Assert.Throws<ArgumentException>("oldValue", () => builder.Replace("", "a", 0, 0)); // Old value is empty
Assert.Throws<ArgumentOutOfRangeException>("requiredLength", () => builder.Replace("o", "oo")); // New length > builder.MaxCapacity
Assert.Throws<ArgumentOutOfRangeException>("requiredLength", () => builder.Replace("o", "oo", 0, 5)); // New length > builder.MaxCapacity
Assert.Throws<ArgumentOutOfRangeException>("startIndex", () => builder.Replace("a", "b", -1, 0)); // Start index < 0
Assert.Throws<ArgumentOutOfRangeException>("count", () => builder.Replace("a", "b", 0, -1)); // Count < 0
Assert.Throws<ArgumentOutOfRangeException>("startIndex", () => builder.Replace("a", "b", 6, 0)); // Count + start index > builder.Length
Assert.Throws<ArgumentOutOfRangeException>("count", () => builder.Replace("a", "b", 5, 1)); // Count + start index > builder.Length
Assert.Throws<ArgumentOutOfRangeException>("count", () => builder.Replace("a", "b", 4, 2)); // Count + start index > builder.Length
}
