// compares 's' to a string describing its values
// thus stack123 = "123". desc MUST be a sequence of
// decimal number chars
//
// NOTE: THIS CAN FAIL WITH A WORKING STACK IF RatPoly.unparse IS BROKEN!
private void assertStackIs(RatPolyStack s, String desc) {
assertTrue(s.size() == desc.length());
for (int i = 0; i < desc.length(); i++) {
RatPoly p = s.get(i);
char c = desc.charAt(i);
String asstr =
"Elem(" + i + "): " + p.unparse() + ", Expected " + c + ", (Expected Stack:" + desc + ")";
assertTrue(asstr, eqv(p, constantPoly(c)));
}
}
// RatPoly equality check
// (getting around non-definition of RatPoly.equals)
private boolean eqv(RatPoly p1, RatPoly p2) {
return p1.unparse().equals(p2.unparse());
}