// Simulating badly encoded cell formula of "=/1"
// Not sure if Excel could ever produce this
Ptg[] ptgs = {
// Excel would probably have put tMissArg here
new IntPtg(1),
new DividePtg(),
};
try {
FormulaParser.toFormulaString(null, ptgs);
fail("Expected exception was not thrown");
} catch (IllegalStateException e) {