[TestCase] public void AddContentsAndClear()
{
var buffer = new StringWrapBuffer(4, 7);
Assert.AreEqual(buffer.Contents.Count, 0); //0 strings after creation
Assert.AreEqual(buffer.Clear().Count, 0); //0 strings after clear
buffer.Add(null);
buffer.Add("");
buffer.Add(" "); //leading discarded separators are removed from strings that begin a new line
Assert.AreEqual(buffer.Contents.Count, 0); //0 strings after empty adds
buffer.Add("Hello. ");
Assert.AreEqual(buffer.Contents.Count, 1); //1 string after add
Assert.AreEqual(buffer.Contents[0], "Hello. "); //first string matches input
Assert.AreEqual(buffer.Clear()[0], "Hello. "); //first string of cleared contents matches input
Assert.AreEqual(buffer.Contents.Count, 0); //0 strings after clear
}
public void Print(bool requireMorePrompt)
{
if (requireMorePrompt)
{
buffer.EnsureReservedSpace(false);
}
DisplayLines(buffer.Clear(), requireMorePrompt, true);
if (interruptPlayer)
{
//todo interrupt
interruptPlayer = false;
}
}
[TestCase] public void BufferOverflow()
{
var buffer = new StringWrapBuffer(1, 4);
buffer.Add("abcde");
Assert.AreEqual(buffer.Contents.Count, 1); //only the overflow should remain
Assert.AreEqual(buffer.Contents[0], "e");
List <string> bufferOverflow = new List <string>();
buffer.BufferFull += list => {
foreach (string s in list)
{
bufferOverflow.Add(s);
}
};
buffer.Add("fghijk"); //adding atop the "e"
Assert.AreEqual(buffer.Contents[0], "ijk"); //only the overflow should remain
Assert.AreEqual(bufferOverflow.Count, 1);
Assert.AreEqual(bufferOverflow[0], "efgh"); //this list should have received the full buffer's contents
buffer = new StringWrapBuffer(3, 4);
buffer.BufferFull += list => {
foreach (string s in list)
{
bufferOverflow.Add(s);
}
};
bufferOverflow.Clear();
buffer.Add("one two four five ");
Assert.AreEqual(buffer.Contents.Count, 1);
Assert.AreEqual(buffer.Contents[0], "five"); //only "five" should remain
Assert.AreEqual(bufferOverflow.Count, 3);
Assert.AreEqual(bufferOverflow[0], "one");
Assert.AreEqual(bufferOverflow[2], "four");
buffer.MaxLines = -1;
buffer.Clear();
bufferOverflow.Clear();
buffer.Add("one two four five ");
buffer.MaxLines = 4;
Assert.AreEqual(4, buffer.Contents.Count);
buffer.MaxLines = 3;
Assert.AreEqual(1, buffer.Contents.Count);
}
[TestCase] public void LineOverflow()
{
var buffer = new StringWrapBuffer(2, 10); //with this constructor: space is discarded, hyphen is retained
buffer.Add("Hello. Goodbye. ");
Assert.AreEqual(buffer.Contents.Count, 2); //2 strings after add & wrap
Assert.AreEqual(buffer.Contents[0], "Hello."); //wrap should happen at edge of discarded characters
Assert.AreEqual(buffer.Contents[1], "Goodbye. "); //spaces not used for wrapping should be unaffected
buffer = new StringWrapBuffer(2, 10, new char[] { '+' }, null); //+ is retained
buffer.Add("Hello.+Goodbye.+");
Assert.AreEqual(buffer.Contents.Count, 2); //2 strings after add & wrap
Assert.AreEqual(buffer.Contents[0], "Hello.+"); //chosen + should be retained
buffer.Clear();
buffer.Add("abcdefghijklm");
Assert.AreEqual(buffer.Contents.Count, 2); //2 strings after add & wrap
Assert.AreEqual(buffer.Contents[0], "abcdefghij"); //max length used when no separators present
Assert.AreEqual(buffer.Contents[1], "klm");
buffer = new StringWrapBuffer(-1, 5);
buffer.Add("abcde ");
Assert.AreEqual(buffer.Contents.Count, 1); //discarded spaces should not create new line
Assert.AreEqual(buffer.Contents[0], "abcde");
buffer = new StringWrapBuffer(-1, 20);
buffer.Add("0 1 2 3 4 5 6 7 8 9 ");
buffer.MaxLength = 12;
Assert.AreEqual(buffer.Contents.Count, 2); //should wrap onto 2nd line
Assert.AreEqual(buffer.Contents[0], "0 1 2 3 4 5");
Assert.AreEqual(buffer.Contents[1], "6 7 8 9 ");
buffer.MaxLength = 3;
Assert.AreEqual(buffer.Contents.Count, 3); //should discard spaces and end up with 3 lines
Assert.AreEqual(buffer.Contents[0], "0 1 2 3 4 5"); //the MaxLength value of 3 should not affect previous lines
Assert.AreEqual(buffer.Contents[1], "6 7");
Assert.AreEqual(buffer.Contents[2], "8 9"); //the trailing space should be discarded too
buffer = new StringWrapBuffer(-1, 1, null, new char[] { '!' }); //! is discarded
buffer.Add("abc!!!!hijklm"); //expected lines: a b c h i j k l m
Assert.AreEqual(buffer.Contents.Count, 9);
Assert.AreEqual(buffer.Contents[2], "c");
Assert.AreEqual(buffer.Contents[3], "h");
Assert.Throws(typeof(ArgumentOutOfRangeException), () => { buffer.MaxLength = 0; });
}