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

21 lines
515 B
JavaScript

/* global peg */
"use strict";
describe("compiler pass |reportDuplicateRules|", function() {
var pass = peg.compiler.passes.check.reportDuplicateRules;
it("reports duplicate rules", function() {
expect(pass).toReportError([
'start = "a"',
'start = "b"'
].join('\n'), {
message: 'Rule "start" is already defined at line 1, column 1.',
location: {
start: { offset: 12, line: 2, column: 1 },
end: { offset: 23, line: 2, column: 12 }
}
});
});
});