public void ClearTest()
{
using ValueStringBuilder sb = ValueStringBuilder.CreateFrom("Hello World".AsSpan());
Assert.AreEqual("Hello World", sb.ToString());
sb.Clear();
Assert.AreEqual(0, sb.Length);
Assert.AreEqual(string.Empty, sb.ToString());
}
public void TestStringBuilders()
{
{
Span <char> buf = stackalloc char[128];
var bdr = new FixedStringBuilder(buf);
bdr.AppendLine("Hello World");
bdr.Append("Hello");
bdr.Append(' ');
bdr.Append(12);
bdr.Append(' ');
bdr.AppendLine("Worlds");
int numReplaced = bdr.Replace('e', 'u');
Assert.AreEqual(2, numReplaced);
var expected = "Hullo World" + Environment.NewLine + "Hullo 12 Worlds" + Environment.NewLine;
Assert.AreEqual(expected.Length, bdr.Length);
Assert.IsTrue(bdr.ReadOnlySpan.SequenceEqual(expected));
numReplaced = bdr.Replace("Hullo", "Hi");
Assert.AreEqual(2, numReplaced);
expected = expected.Replace("Hullo", "Hi");
Assert.IsTrue(bdr.ReadOnlySpan.SequenceEqual(expected));
numReplaced = bdr.Replace("Hi", "");
Assert.AreEqual(2, numReplaced);
expected = expected.Replace("Hi", "");
Assert.IsTrue(bdr.ReadOnlySpan.SequenceEqual(expected));
bdr.Replace("World", "World");
Assert.IsTrue(bdr.ReadOnlySpan.SequenceEqual(expected));
bdr.Replace("Florka", "--");
Assert.IsTrue(bdr.ReadOnlySpan.SequenceEqual(expected));
bdr.Replace("Florka", "Florka");
Assert.IsTrue(bdr.ReadOnlySpan.SequenceEqual(expected));
bdr.Clear();
Assert.AreEqual(0, bdr.Length);
Assert.AreEqual("", bdr.ToString());
bdr.Append("Koko");
bdr.Append('s');
Assert.AreEqual("Kokos".Length, bdr.Length);
Assert.IsTrue(bdr.ReadOnlySpan.SequenceEqual("Kokos"));
}
{
var sbdr = new ValueStringBuilder(8);
sbdr.AppendLine("Hello World");
sbdr.Append("Hello");
sbdr.Append(' ');
sbdr.Append(12u);
sbdr.Append(' ');
sbdr.AppendLine("Worlds");
var numReplaced = sbdr.Replace('e', 'u');
Assert.AreEqual(2, numReplaced);
var expected = "Hullo World" + Environment.NewLine + "Hullo 12 Worlds" + Environment.NewLine;
Assert.AreEqual(expected.Length, sbdr.Length);
Assert.IsTrue(sbdr.ReadOnlySpan.SequenceEqual(expected));
numReplaced = sbdr.Replace("Hullo", "Hi");
Assert.AreEqual(2, numReplaced);
expected = expected.Replace("Hullo", "Hi");
Assert.IsTrue(sbdr.ReadOnlySpan.SequenceEqual(expected));
numReplaced = sbdr.Replace("Hi", "");
Assert.AreEqual(2, numReplaced);
expected = expected.Replace("Hi", "");
Assert.IsTrue(sbdr.ReadOnlySpan.SequenceEqual(expected));
sbdr.Replace("World", "World");
Assert.IsTrue(sbdr.ReadOnlySpan.SequenceEqual(expected));
sbdr.Replace("Florka", "--");
Assert.IsTrue(sbdr.ReadOnlySpan.SequenceEqual(expected));
sbdr.Replace("Florka", "Florka");
Assert.IsTrue(sbdr.ReadOnlySpan.SequenceEqual(expected));
sbdr.Clear();
Assert.AreEqual(0, sbdr.Length);
Assert.AreEqual("", sbdr.ToString());
sbdr.Append("Koko");
sbdr.Append('s');
Assert.AreEqual("Kokos".Length, sbdr.Length);
Assert.IsTrue(sbdr.ReadOnlySpan.SequenceEqual("Kokos"));
}
}