public static void Grow_Large()
{
string starting = CreateString(6000);
var sb = new StringBuilder(starting);
using (SecureString testString = CreateSecureString(starting))
{
for (int i = 0; i < 4000; i++)
{
char c = (char)('a' + (i % 26));
testString.AppendChar(c);
sb.Append(c);
}
AssertEquals(sb.ToString(), testString);
}
}