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import * as ohm from '..';import test from 'ava';
const g = ohm.grammar(`  G {    Greeting = interjection "," name "!"    interjection = "Hello" | "Hi" | "Ahoy-hoy"    name = upper letter+  }`);const s = g.createSemantics().addOperation('getName', {  Greeting(interj, comma, name, punc) {    return name.sourceString;  }});
test('basic matching', t => {  const matchResult = g.match('Ahoy-hoy, Alexander!');  t.is(s(matchResult)['getName'](), 'Alexander');});
test('incremental matching', t => {  const matcher = g.matcher();  matcher.setInput('foo');  matcher.replaceInputRange(0, 1, 'g').replaceInputRange(1, 3, 'ah');  t.is(matcher.getInput(), 'gah');  t.is(matcher.match('Greeting').succeeded(), false);});