The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/debug/Object-evalInGlobal-04.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,55 @@
     1.4 +// Debugger.Object.prototype.evalInGlobal: nested evals
     1.5 +
     1.6 +var g = newGlobal();
     1.7 +var dbg = new Debugger;
     1.8 +var gw = dbg.addDebuggee(g);
     1.9 +
    1.10 +assertEq(gw.evalInGlobal("eval('\"Awake\"');").return, "Awake");
    1.11 +
    1.12 +// Evaluating non-strict-mode code uses the given global as its variable
    1.13 +// environment.
    1.14 +g.x = "Swing Lo Magellan";
    1.15 +g.y = "The Milk-Eyed Mender";
    1.16 +assertEq(gw.evalInGlobal("eval('var x = \"A Brief History of Love\"');\n"
    1.17 +                         + "var y = 'Merriweather Post Pavilion';"
    1.18 +                         + "x;").return,
    1.19 +         "A Brief History of Love");
    1.20 +assertEq(g.x, "A Brief History of Love");
    1.21 +assertEq(g.y, "Merriweather Post Pavilion");
    1.22 +
    1.23 +// As above, but notice that we still create bindings on the global, even
    1.24 +// when we've interposed a new environment via 'withBindings'.
    1.25 +g.x = "Swing Lo Magellan";
    1.26 +g.y = "The Milk-Eyed Mender";
    1.27 +assertEq(gw.evalInGlobalWithBindings("eval('var x = d1;'); var y = d2; x;",
    1.28 +                                     { d1: "A Brief History of Love",
    1.29 +                                       d2: "Merriweather Post Pavilion" }).return,
    1.30 +         "A Brief History of Love");
    1.31 +assertEq(g.x, "A Brief History of Love");
    1.32 +assertEq(g.y, "Merriweather Post Pavilion");
    1.33 +
    1.34 +
    1.35 +// Strict mode code variants of the above:
    1.36 +
    1.37 +// Evaluating strict-mode code uses a fresh call object as its variable environment.
    1.38 +// Also, calls to eval from strict-mode code run the eval code in a fresh
    1.39 +// call object.
    1.40 +g.x = "Swing Lo Magellan";
    1.41 +g.y = "The Milk-Eyed Mender";
    1.42 +assertEq(gw.evalInGlobal("\'use strict\';\n"
    1.43 +                         + "eval('var x = \"A Brief History of Love\"');\n"
    1.44 +                         + "var y = \"Merriweather Post Pavilion\";"
    1.45 +                         + "x;").return,
    1.46 +         "Swing Lo Magellan");
    1.47 +assertEq(g.x, "Swing Lo Magellan");
    1.48 +assertEq(g.y, "The Milk-Eyed Mender");
    1.49 +
    1.50 +// Introducing a bindings object shouldn't change this behavior.
    1.51 +g.x = "Swing Lo Magellan";
    1.52 +g.y = "The Milk-Eyed Mender";
    1.53 +assertEq(gw.evalInGlobalWithBindings("'use strict'; eval('var x = d1;'); var y = d2; x;",
    1.54 +                                     { d1: "A Brief History of Love",
    1.55 +                                       d2: "Merriweather Post Pavilion" }).return,
    1.56 +         "Swing Lo Magellan");
    1.57 +assertEq(g.x, "Swing Lo Magellan");
    1.58 +assertEq(g.y, "The Milk-Eyed Mender");