pegjs/spec/unit/compiler/passes/report-undefined-rules.spec.js

"use strict";

var peg = require("../../../../lib/peg");

describe("compiler pass |reportUndefinedRules|", function() {
  var pass = peg.compiler.passes.check.reportUndefinedRules;

  it("reports undefined rules", function() {
    expect(pass).toReportError('start = undefined', {
      message:  'Rule "undefined" is not defined.',
      location: {
        start: { offset:  8, line: 1, column:  9 },
        end:   { offset: 17, line: 1, column: 18 }
      }
    });
  });
});