@Test
public void negativeBackwardAssertion() {
String[] rules = {
"ROOT = !- 'b' 'a'", //
};
Grammar g = new Grammar(new Grammar(rules).describe());
assertNotNull(g.find("a").match());
}
@Test
public void basicTest() throws GrammarException, IOException {
String[] rules = {
//
"<ROOT> = <a> <s> <b>", //
"<a> = 'a'", //
"<b> = 'b'", //
"<s> = /\\s++/", //
};
Grammar g = new Grammar(rules);
String s = "a\nb";
Matcher m = g.find(s);
assertNotNull("found joe", m.match());
}