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29 lines
716 B
JavaScript
29 lines
716 B
JavaScript
"use strict";
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const chai = require( "chai" );
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const helpers = require( "./helpers" );
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const pass = require( "pegjs-dev" ).compiler.passes.check.reportDuplicateRules;
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chai.use( helpers );
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const expect = chai.expect;
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describe( "compiler pass |reportDuplicateRules|", function () {
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it( "reports duplicate rules", function () {
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expect( pass ).to.reportError( [
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"start = 'a'",
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"start = 'b'"
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].join( "\n" ), {
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message: "Rule \"start\" is already defined at line 1, column 1.",
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location: {
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start: { offset: 12, line: 2, column: 1 },
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end: { offset: 23, line: 2, column: 12 }
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}
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} );
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} );
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} );
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