public void AppendOnCondition172()
{
StringBuilder stringBuilder;
StringBuilder stringBuilder1;
stringBuilder = new StringBuilder();
stringBuilder1 = this.AppendOnCondition
(stringBuilder, PexChoose.CreateDelegate<Func<bool>>(), (string)null);
Assert.IsNotNull((object)stringBuilder1);
Assert.AreEqual<int>(16, stringBuilder1.Capacity);
Assert.AreEqual<int>(int.MaxValue, stringBuilder1.MaxCapacity);
Assert.AreEqual<int>(0, stringBuilder1.Length);
}