(function() {
  'use strict';
  var escope, esprima, expect;

  expect = require('chai').expect;

  escope = require('..');

  esprima = require('esprima');

  describe('implicit global reference', function() {
    it('assignments global scope', function() {
      var ast, scopes;
      ast = esprima.parse("var x = 20;\nx = 300;");
      scopes = escope.analyze(ast).scopes;
      expect(scopes.map(function(scope) {
        return scope.variables.map(function(variable) {
          return variable.defs.map(function(def) {
            return def.type;
          });
        });
      })).to.be.eql([[['Variable']]]);
      return expect(scopes[0].implicit.variables.map(function(variable) {
        return variable.name;
      })).to.be.eql([]);
    });
    it('assignments global scope without definition', function() {
      var ast, scopes;
      ast = esprima.parse("x = 300;\nx = 300;");
      scopes = escope.analyze(ast).scopes;
      expect(scopes.map(function(scope) {
        return scope.variables.map(function(variable) {
          return variable.defs.map(function(def) {
            return def.type;
          });
        });
      })).to.be.eql([[]]);
      return expect(scopes[0].implicit.variables.map(function(variable) {
        return variable.name;
      })).to.be.eql(['x']);
    });
    it('assignments global scope without definition eval', function() {
      var ast, scopes;
      ast = esprima.parse("function inner() {\n    eval(str);\n    x = 300;\n}");
      scopes = escope.analyze(ast).scopes;
      expect(scopes.map(function(scope) {
        return scope.variables.map(function(variable) {
          return variable.defs.map(function(def) {
            return def.type;
          });
        });
      })).to.be.eql([[['FunctionName']], [[]]]);
      return expect(scopes[0].implicit.variables.map(function(variable) {
        return variable.name;
      })).to.be.eql([]);
    });
    it('assignment leaks', function() {
      var ast, scopes;
      ast = esprima.parse("function outer() {\n    x = 20;\n}");
      scopes = escope.analyze(ast).scopes;
      expect(scopes.map(function(scope) {
        return scope.variables.map(function(variable) {
          return variable.name;
        });
      })).to.be.eql([['outer'], ['arguments']]);
      return expect(scopes[0].implicit.variables.map(function(variable) {
        return variable.name;
      })).to.be.eql(['x']);
    });
    it('assignment doesn\'t leak', function() {
      var ast, scopes;
      ast = esprima.parse("function outer() {\n    function inner() {\n        x = 20;\n    }\n    var x;\n}");
      scopes = escope.analyze(ast).scopes;
      expect(scopes.map(function(scope) {
        return scope.variables.map(function(variable) {
          return variable.name;
        });
      })).to.be.eql([['outer'], ['arguments', 'inner', 'x'], ['arguments']]);
      return expect(scopes[0].implicit.variables.map(function(variable) {
        return variable.name;
      })).to.be.eql([]);
    });
    it('for-in-statement leaks', function() {
      var ast, scopes;
      ast = esprima.parse("function outer() {\n    for (x in y) { }\n}");
      scopes = escope.analyze(ast).scopes;
      expect(scopes.map(function(scope) {
        return scope.variables.map(function(variable) {
          return variable.name;
        });
      })).to.be.eql([['outer'], ['arguments']]);
      return expect(scopes[0].implicit.variables.map(function(variable) {
        return variable.name;
      })).to.be.eql(['x']);
    });
    return it('for-in-statement doesn\'t leaks', function() {
      var ast, scopes;
      ast = esprima.parse("function outer() {\n    function inner() {\n        for (x in y) { }\n    }\n    var x;\n}");
      scopes = escope.analyze(ast).scopes;
      expect(scopes.map(function(scope) {
        return scope.variables.map(function(variable) {
          return variable.name;
        });
      })).to.be.eql([['outer'], ['arguments', 'inner', 'x'], ['arguments']]);
      return expect(scopes[0].implicit.variables.map(function(variable) {
        return variable.name;
      })).to.be.eql([]);
    });
  });

}).call(this);

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Copyright (C) 2013 Yusuke Suzuki <utatane.tea@gmail.com>\n#\n# Redistribution and use in source and binary forms, with or without\n# modification, are permitted provided that the following conditions are met:\n#\n#   * Redistributions of source code must retain the above copyright\n#     notice, this list of conditions and the following disclaimer.\n#   * Redistributions in binary form must reproduce the above copyright\n#     notice, this list of conditions and the following disclaimer in the\n#     documentation and/or other materials provided with the distribution.\n#\n# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\"\n# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\n# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n# ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY\n# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND\n# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\n# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n\n'use strict'\n\nexpect = require('chai').expect\nescope = require '..'\nesprima = require 'esprima'\n\ndescribe 'implicit global reference', ->\n    it 'assignments global scope', ->\n        ast = esprima.parse \"\"\"\n        var x = 20;\n        x = 300;\n        \"\"\"\n\n        scopes = escope.analyze(ast).scopes\n\n        expect(scopes.map((scope) ->\n            scope.variables.map((variable) ->\n                variable.defs.map((def) -> def.type)))).to.be.eql(\n            [\n                [\n                    [\n                        'Variable'\n                    ]\n                ]\n            ]\n        )\n\n        expect(scopes[0].implicit.variables.map((variable) -> variable.name)).to.be.eql([])\n\n    it 'assignments global scope without definition', ->\n        ast = esprima.parse \"\"\"\n        x = 300;\n        x = 300;\n        \"\"\"\n\n        scopes = escope.analyze(ast).scopes\n\n        expect(scopes.map((scope) ->\n            scope.variables.map((variable) ->\n                variable.defs.map((def) -> def.type)))).to.be.eql(\n            [\n                [\n                ]\n            ]\n        )\n\n        expect(scopes[0].implicit.variables.map((variable) -> variable.name)).to.be.eql(\n            [\n                'x'\n            ]\n        )\n\n    it 'assignments global scope without definition eval', ->\n        ast = esprima.parse \"\"\"\n        function inner() {\n            eval(str);\n            x = 300;\n        }\n        \"\"\"\n\n        scopes = escope.analyze(ast).scopes\n\n        expect(scopes.map((scope) ->\n            scope.variables.map((variable) ->\n                variable.defs.map((def) -> def.type)))).to.be.eql(\n            [\n                [\n                    [\n                        'FunctionName'\n                    ]\n                ]\n                [\n                    [\n                    ]\n                ]\n            ]\n        )\n\n        expect(scopes[0].implicit.variables.map((variable) -> variable.name)).to.be.eql([])\n\n    it 'assignment leaks', ->\n        ast = esprima.parse \"\"\"\n        function outer() {\n            x = 20;\n        }\n        \"\"\"\n\n        scopes = escope.analyze(ast).scopes\n\n        expect(scopes.map((scope) ->\n            scope.variables.map((variable) -> variable.name))).to.be.eql(\n            [\n                [\n                    'outer'\n                ]\n                [\n                    'arguments'\n                ]\n            ]\n        )\n\n        expect(scopes[0].implicit.variables.map((variable) -> variable.name)).to.be.eql(\n            [\n                'x'\n            ]\n        )\n\n    it 'assignment doesn\\'t leak', ->\n        ast = esprima.parse \"\"\"\n        function outer() {\n            function inner() {\n                x = 20;\n            }\n            var x;\n        }\n        \"\"\"\n\n        scopes = escope.analyze(ast).scopes\n\n        expect(scopes.map((scope) ->\n            scope.variables.map((variable) -> variable.name))).to.be.eql(\n            [\n                [\n                    'outer'\n                ]\n                [\n                    'arguments'\n                    'inner'\n                    'x'\n                ]\n                [\n                    'arguments'\n                ]\n            ]\n        )\n\n        expect(scopes[0].implicit.variables.map((variable) -> variable.name)).to.be.eql([])\n\n\n    it 'for-in-statement leaks', ->\n        ast = esprima.parse \"\"\"\n        function outer() {\n            for (x in y) { }\n        }\n        \"\"\"\n\n        scopes = escope.analyze(ast).scopes\n\n        expect(scopes.map((scope) ->\n            scope.variables.map((variable) -> variable.name))).to.be.eql(\n            [\n                [\n                    'outer'\n                ]\n                [\n                    'arguments'\n                ]\n            ]\n        )\n\n        expect(scopes[0].implicit.variables.map((variable) -> variable.name)).to.be.eql(\n            [\n                'x'\n            ]\n        )\n\n    it 'for-in-statement doesn\\'t leaks', ->\n        ast = esprima.parse \"\"\"\n        function outer() {\n            function inner() {\n                for (x in y) { }\n            }\n            var x;\n        }\n        \"\"\"\n\n        scopes = escope.analyze(ast).scopes\n\n        expect(scopes.map((scope) ->\n            scope.variables.map((variable) -> variable.name))).to.be.eql(\n            [\n                [\n                    'outer'\n                ]\n                [\n                    'arguments'\n                    'inner'\n                    'x'\n                ]\n                [\n                    'arguments'\n                ]\n            ]\n        )\n\n        expect(scopes[0].implicit.variables.map((variable) -> variable.name)).to.be.eql([])\n"]}