public void TestTruncationToZeroLengthDropsContent()
{
var builder = new ColoredMultistringBuilder();
builder.Append(anyArrayOfMultipleColoredStrings);
builder.Truncate(0);
builder.ShouldBeEmpty();
}
public void TestTruncationToTooLongLengthThrows()
{
var builder = new ColoredMultistringBuilder();
builder.Append(anyArrayOfMultipleColoredStrings);
Action truncate = () => builder.Truncate(builder.Length + 1);
truncate.Should().Throw <ArgumentOutOfRangeException>();
}
public void TestTruncationThrowsOnNegativeLength()
{
const int anyNegativeLength = -1;
var builder = new ColoredMultistringBuilder();
builder.Append(anyArrayOfMultipleColoredStrings);
Action truncate = () => builder.Truncate(anyNegativeLength);
truncate.Should().Throw <ArgumentOutOfRangeException>();
}
public void TestTruncationTrimsContentFromLastPiece()
{
var anyFirstCs = AnyColoredString("ab");
var anySecondCs = AnyColoredString("cde");
var builder = new ColoredMultistringBuilder();
builder.Append(new[] { anyFirstCs, anySecondCs });
builder.Truncate(3);
builder.ShouldProduce(
anyFirstCs,
anySecondCs.WithContent("c"));
}