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@tmpvar
Forked from aflatter/gist:661873
Created November 4, 2010 00:02
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node context issues
var common = require('../common'),
assert = common.assert;
var Script = process.binding("evals").Script;
var sandbox = Script.createContext({x: "x"});
sandbox.window = sandbox;
//Script.runInContext("window = this;", sandbox);
var code = "function y() { return this.x } " +
"function z() { return window.x } " +
"function z1() { return x } " +
"function w() { return window } " +
"function w1() { return window.window } " +
"var box = {contents: window}; " +
"var q = y();" +
"var r = z();";
var result = Script.runInContext(code, sandbox);
// Passes
common.debug("sandbox.r == 'x'");
assert.equal(sandbox.r, "x");
// Passes
common.debug("sandbox.q == 'x'");
assert.equal(sandbox.q, "x");
// Passes
common.debug("sandbox.w() == sandbox.box.contents");
assert.equal(sandbox.w(), sandbox.box.contents);
// Passes (though not intuitive)
common.debug("sandbox.w() == sandbox");
assert.notEqual(sandbox.w(), sandbox);
// Passes (though not intuitive)
common.debug("sandbox.w() == sandbox.window");
assert.notEqual(sandbox.w(), sandbox.window);
// common.debug(sandbox.w());
// => TypeError: Cannot convert object to primitive value
// common.inspect(sandbox.w());
// => TypeError: Converting circular structure to JSON
// INTERESTING: Passes
// common.debug(sandbox.w1());
// => undefined
// common.debug("typeof sandbox.w1() == undefined");
// assert.equal(typeof sandbox.w1(), "undefined");
// Fails
common.debug("sandbox.w1() == sandbox.box.contents");
assert.equal(sandbox.w1(), sandbox.box.contents);
// Passes
common.debug("sandbox.w1() == sandbox");
assert.notEqual(sandbox.w1(), sandbox);
// Passes
common.debug("sandbox.w1() == sandbox.window");
assert.notEqual(sandbox.w1(), sandbox.window);
// Passes
common.debug("sandbox.x == 'x'");
assert.equal(sandbox.x, "x");
// Passes
common.debug("sandbox.y() == 'x'");
assert.equal(sandbox.y(), "x");
// Passes
common.debug("sandbox.z1() == 'x'");
assert.equal(sandbox.z1(), "x");
// Fails
common.debug("sandbox.z() == 'x'");
assert.equal(sandbox.z(), "x");
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