public void Testing()
{
{
SpanBuilder <char> span = Span <char> .Empty;
Assert.IsTrue(span._i is 0);
Assert.IsTrue(span._span.IsEmpty);
Assert.IsTrue(span._span.Length is 0);
try
{
span.Append('a');
Assert.Fail();
}
catch (Exception exception)
{
Assert.IsTrue(exception is InvalidOperationException);
}
}
{
SpanBuilder <char> span = stackalloc char[1];
Assert.IsTrue(span._i is 0);
Assert.IsTrue(span._span.Length is 1);
span.Append('a');
Assert.IsTrue(EquateSequence <char>(span, "a"));
Assert.IsTrue(span._i is 1);
Assert.IsTrue(span._span.Length is 1);
try
{
span.Append('b');
Assert.Fail();
}
catch (Exception exception)
{
Assert.IsTrue(exception is InvalidOperationException);
}
}
{
SpanBuilder <char> span = stackalloc char[3];
Assert.IsTrue(span._i is 0);
Assert.IsTrue(span._span.Length is 3);
span.Append('a');
Assert.IsTrue(span._i is 1);
Assert.IsTrue(span._span.Length is 3);
Assert.IsTrue(EquateSequence <char>(span, "a"));
span.Append('b');
Assert.IsTrue(span._i is 2);
Assert.IsTrue(span._span.Length is 3);
Assert.IsTrue(EquateSequence <char>(span, "ab"));
span.Append('c');
Assert.IsTrue(span._i is 3);
Assert.IsTrue(span._span.Length is 3);
Assert.IsTrue(EquateSequence <char>(span, "abc"));
try
{
span.Append('d');
Assert.Fail();
}
catch (Exception exception)
{
Assert.IsTrue(exception is InvalidOperationException);
}
}
{
SpanBuilder <char> span = stackalloc char[3];
Assert.IsTrue(span._i is 0);
Assert.IsTrue(span._span.Length is 3);
span.Append("abc");
Assert.IsTrue(span._i is 3);
Assert.IsTrue(span._span.Length is 3);
Assert.IsTrue(EquateSequence <char>(span, "abc"));
try
{
span.Append('d');
Assert.Fail();
}
catch (Exception exception)
{
Assert.IsTrue(exception is InvalidOperationException);
}
}
{
SpanBuilder <char> span = stackalloc char[10];
Assert.IsTrue(span._i is 0);
Assert.IsTrue(span._span.Length is 10);
span.AppendLine('a');
Assert.IsTrue(span._i == 1 + Environment.NewLine.Length);
Assert.IsTrue(span._span.Length is 10);
Assert.IsTrue(EquateSequence <char>(span, "a" + Environment.NewLine));
span.AppendLine('b');
Assert.IsTrue(span._i == 2 + Environment.NewLine.Length * 2);
Assert.IsTrue(span._span.Length is 10);
Assert.IsTrue(EquateSequence <char>(span, "a" + Environment.NewLine + "b" + Environment.NewLine));
}
{
SpanBuilder <char> span = stackalloc char[20];
Assert.IsTrue(span._i is 0);
Assert.IsTrue(span._span.Length is 20);
span.AppendLine("ab");
Assert.IsTrue(span._i == 2 + Environment.NewLine.Length);
Assert.IsTrue(span._span.Length is 20);
Assert.IsTrue(EquateSequence <char>(span, "ab" + Environment.NewLine));
span.AppendLine("cd");
Assert.IsTrue(span._i == 4 + Environment.NewLine.Length * 2);
Assert.IsTrue(span._span.Length is 20);
Assert.IsTrue(EquateSequence <char>(span, "ab" + Environment.NewLine + "cd" + Environment.NewLine));
}
{
SpanBuilder <char> span = stackalloc char[10];
Assert.IsTrue(span._i is 0);
Assert.IsTrue(span._span.Length is 10);
span.AppendLine();
Assert.IsTrue(span._i == Environment.NewLine.Length);
Assert.IsTrue(span._span.Length is 10);
Assert.IsTrue(EquateSequence <char>(span, Environment.NewLine));
}
{
SpanBuilder <char> span = stackalloc char[1];
try
{
span.AppendLine('a');
Assert.Fail();
}
catch (Exception exception)
{
Assert.IsTrue(exception is InvalidOperationException);
}
}
{
SpanBuilder <char> span = stackalloc char[3];
try
{
span.AppendLine("abc");
Assert.Fail();
}
catch (Exception exception)
{
Assert.IsTrue(exception is InvalidOperationException);
}
}
{
SpanBuilder <char> span = stackalloc char[1];
span.Append('a');
try
{
span.AppendLine();
Assert.Fail();
}
catch (Exception exception)
{
Assert.IsTrue(exception is InvalidOperationException);
}
}
{
SpanBuilder <char> span = stackalloc char[3];
span.Append("abc");
try
{
span.AppendLine();
Assert.Fail();
}
catch (Exception exception)
{
Assert.IsTrue(exception is InvalidOperationException);
}
}
}
