Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | // Debugger.Object.prototype.evalInGlobal: nested evals |
michael@0 | 2 | |
michael@0 | 3 | var g = newGlobal(); |
michael@0 | 4 | var dbg = new Debugger; |
michael@0 | 5 | var gw = dbg.addDebuggee(g); |
michael@0 | 6 | |
michael@0 | 7 | assertEq(gw.evalInGlobal("eval('\"Awake\"');").return, "Awake"); |
michael@0 | 8 | |
michael@0 | 9 | // Evaluating non-strict-mode code uses the given global as its variable |
michael@0 | 10 | // environment. |
michael@0 | 11 | g.x = "Swing Lo Magellan"; |
michael@0 | 12 | g.y = "The Milk-Eyed Mender"; |
michael@0 | 13 | assertEq(gw.evalInGlobal("eval('var x = \"A Brief History of Love\"');\n" |
michael@0 | 14 | + "var y = 'Merriweather Post Pavilion';" |
michael@0 | 15 | + "x;").return, |
michael@0 | 16 | "A Brief History of Love"); |
michael@0 | 17 | assertEq(g.x, "A Brief History of Love"); |
michael@0 | 18 | assertEq(g.y, "Merriweather Post Pavilion"); |
michael@0 | 19 | |
michael@0 | 20 | // As above, but notice that we still create bindings on the global, even |
michael@0 | 21 | // when we've interposed a new environment via 'withBindings'. |
michael@0 | 22 | g.x = "Swing Lo Magellan"; |
michael@0 | 23 | g.y = "The Milk-Eyed Mender"; |
michael@0 | 24 | assertEq(gw.evalInGlobalWithBindings("eval('var x = d1;'); var y = d2; x;", |
michael@0 | 25 | { d1: "A Brief History of Love", |
michael@0 | 26 | d2: "Merriweather Post Pavilion" }).return, |
michael@0 | 27 | "A Brief History of Love"); |
michael@0 | 28 | assertEq(g.x, "A Brief History of Love"); |
michael@0 | 29 | assertEq(g.y, "Merriweather Post Pavilion"); |
michael@0 | 30 | |
michael@0 | 31 | |
michael@0 | 32 | // Strict mode code variants of the above: |
michael@0 | 33 | |
michael@0 | 34 | // Evaluating strict-mode code uses a fresh call object as its variable environment. |
michael@0 | 35 | // Also, calls to eval from strict-mode code run the eval code in a fresh |
michael@0 | 36 | // call object. |
michael@0 | 37 | g.x = "Swing Lo Magellan"; |
michael@0 | 38 | g.y = "The Milk-Eyed Mender"; |
michael@0 | 39 | assertEq(gw.evalInGlobal("\'use strict\';\n" |
michael@0 | 40 | + "eval('var x = \"A Brief History of Love\"');\n" |
michael@0 | 41 | + "var y = \"Merriweather Post Pavilion\";" |
michael@0 | 42 | + "x;").return, |
michael@0 | 43 | "Swing Lo Magellan"); |
michael@0 | 44 | assertEq(g.x, "Swing Lo Magellan"); |
michael@0 | 45 | assertEq(g.y, "The Milk-Eyed Mender"); |
michael@0 | 46 | |
michael@0 | 47 | // Introducing a bindings object shouldn't change this behavior. |
michael@0 | 48 | g.x = "Swing Lo Magellan"; |
michael@0 | 49 | g.y = "The Milk-Eyed Mender"; |
michael@0 | 50 | assertEq(gw.evalInGlobalWithBindings("'use strict'; eval('var x = d1;'); var y = d2; x;", |
michael@0 | 51 | { d1: "A Brief History of Love", |
michael@0 | 52 | d2: "Merriweather Post Pavilion" }).return, |
michael@0 | 53 | "Swing Lo Magellan"); |
michael@0 | 54 | assertEq(g.x, "Swing Lo Magellan"); |
michael@0 | 55 | assertEq(g.y, "The Milk-Eyed Mender"); |