The Tor Browser: js/src/jit-test/tests/debug/Object-evalInGlobal-04.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 // Debugger.Object.prototype.evalInGlobal: nested evals

     3 var g = newGlobal();

     4 var dbg = new Debugger;

     5 var gw = dbg.addDebuggee(g);

     7 assertEq(gw.evalInGlobal("eval('\"Awake\"');").return, "Awake");

     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.evalInGlobal("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");

    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.evalInGlobalWithBindings("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");

    32 // Strict mode code variants of the above:

    34 // Evaluating strict-mode code uses a fresh call object as its variable environment.

    35 // Also, calls to eval from strict-mode code run the eval code in a fresh

    36 // call object.

    37 g.x = "Swing Lo Magellan";

    38 g.y = "The Milk-Eyed Mender";

    39 assertEq(gw.evalInGlobal("\'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, "The Milk-Eyed Mender");

    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.evalInGlobalWithBindings("'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, "The Milk-Eyed Mender");

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