public static void TestStringEqualRoundTrip(ERational obj)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
string str = obj.ToString();
ERational newobj = ERational.FromString(str);
if (str.Length < 100 || !obj.Equals(newobj))
{
TestCommon.AssertEqualsHashCode(obj, newobj);
string str2 = newobj.ToString();
TestCommon.AssertEqualsHashCode(str, str2);
}
}