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35 lines
6.9 KiB
35 lines
6.9 KiB
(function() {
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var escope, expect, harmony;
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expect = require('chai').expect;
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harmony = require('../third_party/esprima');
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escope = require('..');
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describe('ES6 rest arguments', function() {
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return it('materialize rest argument in scope', function() {
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var ast, scope, scopeManager;
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ast = harmony.parse("function foo(...bar) {\n return bar;\n}");
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scopeManager = escope.analyze(ast, {
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ecmaVersion: 6
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});
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expect(scopeManager.scopes).to.have.length(2);
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scope = scopeManager.scopes[0];
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expect(scope.type).to.be.equal('global');
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expect(scope.block.type).to.be.equal('Program');
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expect(scope.isStrict).to.be["false"];
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expect(scope.variables).to.have.length(1);
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scope = scopeManager.scopes[1];
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expect(scope.type).to.be.equal('function');
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expect(scope.variables).to.have.length(2);
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expect(scope.variables[0].name).to.be.equal('arguments');
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expect(scope.variables[1].name).to.be.equal('bar');
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expect(scope.variables[1].defs[0].name.name).to.be.equal('bar');
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return expect(scope.variables[1].defs[0].rest).to.be["true"];
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});
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});
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}).call(this);
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