public void FixedStringBuilder_TryResize_Only_Reduces_Capacity_If_There_Is_Room()
{
FixedStringBuilder target = new FixedStringBuilder(3);
Assert.IsTrue(target.TryAppend('X', 0));
Assert.IsTrue(target.TryAppend('X', 0));
Assert.IsFalse(target.TryResize(1, 0));
Assert.IsTrue(target.TryResize(2, 0));
Assert.AreEqual("XX", target.ToString());
}
public void FixedStringBuilder_TryResize_Can_Always_Expand_Capacity()
{
FixedStringBuilder target = new FixedStringBuilder(1);
Assert.IsTrue(target.TryAppend('X', 0));
Assert.IsTrue(target.TryResize(2, 0));
Assert.IsTrue(target.TryAppend('X', 0));
Assert.AreEqual("XX", target.ToString());
}
public void FixedStringBuilder_TryResize_Rejects_Negative_Reserve()
{
FixedStringBuilder target = new FixedStringBuilder(1);
try
{
target.TryResize(0, -1);
Assert.Fail();
}
catch (ArgumentOutOfRangeException ex)
{
Assert.AreEqual(typeof(ArgumentOutOfRangeException), ex.GetType());
}
}
