SStringBuilder.cs

namespace Towel_Testing;

[TestClass]
public class SStringBuilder_Testing
{
	[TestMethod]
	public void Testing()
	{
		{
			SStringBuilder sb = Span<char>.Empty;
			Assert.IsTrue(sb._stringBuilder is null);
			sb.Append('a');
			Assert.IsTrue(sb._stringBuilder is not null);
			Assert.IsTrue(EquateSequence<char>((string)sb, "a"));
		}
		{
			SStringBuilder sb = stackalloc char[3];
			Assert.IsTrue(sb._stringBuilder is null);
			sb.Append('a');
			sb.Append('b');
			sb.Append('c');
			Assert.IsTrue(EquateSequence<char>((string)sb, "abc"));
			sb.Append('d');
			Assert.IsTrue(sb._stringBuilder is not null);
			Assert.IsTrue(EquateSequence<char>((string)sb, "abcd"));
		}
		{
			SStringBuilder sb = stackalloc char[3];
			Assert.IsTrue(sb._stringBuilder is null);
			sb.Append("abc");
			Assert.IsTrue(EquateSequence<char>((string)sb, "abc"));
			sb.Append('d');
			Assert.IsTrue(sb._stringBuilder is not null);
			Assert.IsTrue(EquateSequence<char>((string)sb, "abcd"));
		}
		{
			SStringBuilder sb = stackalloc char[3];
			Assert.IsTrue(sb._stringBuilder is null);
			sb.Append("abcd");
			Assert.IsTrue(sb._stringBuilder is not null);
			Assert.IsTrue(EquateSequence<char>((string)sb, "abcd"));
		}
		{
			SStringBuilder sb = stackalloc char[1];
			Assert.IsTrue(sb._stringBuilder is null);
			sb.AppendLine('a');
			Assert.IsTrue(sb._stringBuilder is not null);
			Assert.IsTrue(EquateSequence<char>((string)sb, "a" + Environment.NewLine));
		}
		{
			SStringBuilder sb = stackalloc char[3];
			Assert.IsTrue(sb._stringBuilder is null);
			sb.AppendLine("abc");
			Assert.IsTrue(sb._stringBuilder is not null);
			Assert.IsTrue(EquateSequence<char>((string)sb, "abc" + Environment.NewLine));
		}
		{
			SStringBuilder sb = stackalloc char[1];
			Assert.IsTrue(sb._stringBuilder is null);
			sb.Append("abc");
			sb.Append("def");
			Assert.IsTrue(sb._stringBuilder is not null);
			Assert.IsTrue(EquateSequence<char>((string)sb, "abcdef"));
		}
		{
			SStringBuilder sb = stackalloc char[1];
			Assert.IsTrue(sb._stringBuilder is null);
			sb.Append('a');
			sb.Append('b');
			sb.Append('c');
			Assert.IsTrue(EquateSequence<char>(sb.ToString(), "abc"));
		}
		{
			SStringBuilder sb = stackalloc char[10];
			Assert.IsTrue(sb._stringBuilder is null);
			sb.Append("abc");
			Assert.IsTrue(EquateSequence<char>(sb.ToString(), "abc"));
		}
		{
			SStringBuilder sb = stackalloc char[1];
			Assert.IsTrue(sb._stringBuilder is null);
			sb.Append("abc");
			sb.Append("def");
			Assert.IsTrue(EquateSequence<char>(sb.ToString(), "abcdef"));
		}
		{
			SStringBuilder sb = stackalloc char[10];
			Assert.IsTrue(sb._stringBuilder is null);
			sb.AppendLine();
			Assert.IsTrue(EquateSequence<char>(sb.ToString(), Environment.NewLine));
		}
	}
}