public void TestDouble()
{
AssertDouble("1");
AssertDouble("28394.7974");
AssertDouble("-238.7");
AssertDouble("0");
AssertDouble("-1.5");
AssertNonDouble("Jeff");
AssertNonDouble("$#(@(&#(^)%^*#)$* OTSLMDKV ZP(# WFUoinkvs j8392 uba52%Q(%&*(#*)!@ OP$KJQR;lszv987u3#");
AssertNonDouble("negative five");
AssertNonDouble("1.1.1");
AssertNonDouble("");
AssertNonDouble(null);
}