public void TestCorruptStrings()
{
var chars = new char[char.MaxValue];
for (var i = char.MinValue; i < chars.Length; i++)
{
chars[i] = i;
}
var str = new string(chars);
var sb = new StringHelper.LiteStringBuilder();
sb.Append(chars);
Assert.AreEqual(sb.ToString(), str);
Assert.AreEqual(sb.Length, str.Length);
Assert.AreEqual(sb.ToString().Length, sb.Length);
sb.Clear();
var singleByteString = "s";
var doubleByteString = "ß";
var quadByteString = "𝟘";
sb.Append(singleByteString);
Assert.AreEqual(sb.ToString(), singleByteString);
sb.Append(doubleByteString);
Assert.AreEqual(sb.ToString(), singleByteString + doubleByteString);
sb.Append(quadByteString);
Assert.AreEqual(sb.ToString(), singleByteString + doubleByteString + quadByteString);
}
public void TestLength()
{
var sb = new StringHelper.LiteStringBuilder();
Assert.IsTrue(sb.Length == 0);
sb.Append("Hello");
Assert.IsTrue(sb.Length == 5);
}
public void TestIsEmpty()
{
var sb = new StringHelper.LiteStringBuilder();
Assert.IsTrue(sb.IsEmpty());
sb.Append("Hello");
Assert.IsFalse(sb.IsEmpty());
}
public void TestClear()
{
var sb = new StringHelper.LiteStringBuilder();
Assert.IsTrue(sb.IsEmpty());
sb.Append("Hello");
Assert.IsFalse(sb.IsEmpty());
Assert.AreEqual(sb.ToString(), "Hello");
sb.Clear();
Assert.IsTrue(sb.IsEmpty());
Assert.AreEqual(sb.ToString(), "");
}
public void TestLiteStringBuilderThreaded()
{
var list = new System.Collections.Concurrent.ConcurrentDictionary <int, string>();
System.Threading.Tasks.Parallel.For(0, 1000, (i) =>
{
var fs = new StringHelper.LiteStringBuilder(1);
fs.Append(GetString((char)(48 + (i % 10))));
list.TryAdd(i, fs.ToString());
});
var dic = list.ToArray();
for (var i = 0; i < 1000; i++)
{
var key = dic[i].Key;
var value = dic[i].Value;
var str = GetString((char)(48 + (key % 10)));
if (string.Compare(str, value) != 0)
{
Assert.Fail("Not thread safe");
}
}
}
