39 lines
8.3 KiB
JavaScript
39 lines
8.3 KiB
JavaScript
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(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 catch', function() {
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return it('takes binding pattern', function() {
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var ast, scope, scopeManager;
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ast = harmony.parse("try {\n} catch ({ a, b, c, d }) {\n let e = 20;\n a;\n b;\n let c = 30;\n c;\n d;\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(4);
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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(0);
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expect(scope.references).to.have.length(0);
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scope = scopeManager.scopes[1];
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expect(scope.type).to.be.equal('block');
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expect(scope.block.type).to.be.equal('BlockStatement');
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expect(scope.isStrict).to.be["false"];
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expect(scope.variables).to.have.length(0);
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expect(scope.references).to.have.length(0);
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scope = scopeManager.scopes[2];
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expect(scope.type).to.be.equal('catch');
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expect(scope.block.type).to.be.equal('CatchClause');
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return expect(scope.isStrict).to.be["false"];
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});
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});
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}).call(this);
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