Object-executeInGlobal-04.js (2407B)
1 // Debugger.Object.prototype.executeInGlobal: nested evals 2 3 var g = newGlobal({newCompartment: true}); 4 var dbg = new Debugger; 5 var gw = dbg.addDebuggee(g); 6 7 assertEq(gw.executeInGlobal("eval('\"Awake\"');").return, "Awake"); 8 9 // Evaluating non-strict-mode code uses the given global as its variable 10 // environment. 11 g.x = "Swing Lo Magellan"; 12 g.y = "The Milk-Eyed Mender"; 13 assertEq(gw.executeInGlobal("eval('var x = \"A Brief History of Love\"');\n" 14 + "var y = 'Merriweather Post Pavilion';" 15 + "x;").return, 16 "A Brief History of Love"); 17 assertEq(g.x, "A Brief History of Love"); 18 assertEq(g.y, "Merriweather Post Pavilion"); 19 20 // As above, but notice that we still create bindings on the global, even 21 // when we've interposed a new environment via 'withBindings'. 22 g.x = "Swing Lo Magellan"; 23 g.y = "The Milk-Eyed Mender"; 24 assertEq(gw.executeInGlobalWithBindings("eval('var x = d1;'); var y = d2; x;", 25 { d1: "A Brief History of Love", 26 d2: "Merriweather Post Pavilion" }).return, 27 "A Brief History of Love"); 28 assertEq(g.x, "A Brief History of Love"); 29 assertEq(g.y, "Merriweather Post Pavilion"); 30 31 32 // Strict mode code variants of the above: 33 34 // Strict mode still lets us create bindings on the global as this is 35 // equivalent to executing statements at the global level. But note that 36 // setting strict mode means that nested evals get their own call objects. 37 g.x = "Swing Lo Magellan"; 38 g.y = "The Milk-Eyed Mender"; 39 assertEq(gw.executeInGlobal("\'use strict\';\n" 40 + "eval('var x = \"A Brief History of Love\"');\n" 41 + "var y = \"Merriweather Post Pavilion\";" 42 + "x;").return, 43 "Swing Lo Magellan"); 44 assertEq(g.x, "Swing Lo Magellan"); 45 assertEq(g.y, "Merriweather Post Pavilion"); 46 47 // Introducing a bindings object shouldn't change this behavior. 48 g.x = "Swing Lo Magellan"; 49 g.y = "The Milk-Eyed Mender"; 50 assertEq(gw.executeInGlobalWithBindings("'use strict'; eval('var x = d1;'); var y = d2; x;", 51 { d1: "A Brief History of Love", 52 d2: "Merriweather Post Pavilion" }).return, 53 "Swing Lo Magellan"); 54 assertEq(g.x, "Swing Lo Magellan"); 55 assertEq(g.y, "Merriweather Post Pavilion");