lepu-test-platform-web/node_modules/escope/powered-test/es6-switch.js

43 lines
9.4 KiB
JavaScript

(function() {
var escope, expect, harmony;
expect = require('chai').expect;
harmony = require('../third_party/esprima');
escope = require('..');
describe('ES6 switch', function() {
return it('materialize scope', function() {
var ast, scope, scopeManager;
ast = harmony.parse("switch (ok) {\n case hello:\n let i = 20;\n i;\n break;\n\n default:\n let test = 30;\n test;\n}");
scopeManager = escope.analyze(ast, {
ecmaVersion: 6
});
expect(scopeManager.scopes).to.have.length(2);
scope = scopeManager.scopes[0];
expect(scope.type).to.be.equal('global');
expect(scope.block.type).to.be.equal('Program');
expect(scope.isStrict).to.be["false"];
expect(scope.variables).to.have.length(0);
expect(scope.references).to.have.length(1);
expect(scope.references[0].identifier.name).to.be.equal('ok');
scope = scopeManager.scopes[1];
expect(scope.type).to.be.equal('switch');
expect(scope.block.type).to.be.equal('SwitchStatement');
expect(scope.isStrict).to.be["false"];
expect(scope.variables).to.have.length(2);
expect(scope.variables[0].name).to.be.equal('i');
expect(scope.variables[1].name).to.be.equal('test');
expect(scope.references).to.have.length(5);
expect(scope.references[0].identifier.name).to.be.equal('hello');
expect(scope.references[1].identifier.name).to.be.equal('i');
expect(scope.references[2].identifier.name).to.be.equal('i');
expect(scope.references[3].identifier.name).to.be.equal('test');
return expect(scope.references[4].identifier.name).to.be.equal('test');
});
});
}).call(this);
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