call-generic-fun-call-realm.js

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// |jit-test| --fast-warmup; --no-threads

var proxy = new Proxy(function() { return arguments.length; }, {

  get apply() {

    receiver.m = Math.abs;

    gc();

    return undefined;

});

var receiver = proxy;

function hot0() { return receiver.m(); }

function hot2() { return receiver.m(null, 1, 2); }

var natives = [Math.abs, Math.acos, Math.atan, Math.ceil, Math.cos, Math.exp,

               Math.floor, Math.log, Math.max, Math.min, Math.pow, Math.round,

               Math.sin, Math.sqrt, Math.tan, parseInt, parseFloat, isNaN,

               isFinite, Number, Boolean, String];

function warm() {

  with ({}) {}

  for (var i = 0; i < 2000; i++) {

    receiver.m = natives[i % natives.length];

    hot0();

    hot2();

function install() {

  receiver.m = newGlobal({sameCompartmentAs: proxy}).evaluate(

      "Function.prototype.call");

with ({}) {}

warm();

install();

assertEq(hot0(), 0);

warm();

install();

assertEq(hot2(), 2);

receiver = proxy.bind(null, 1);

warm();

install();

assertEq(hot0(), 1);

warm();

install();

assertEq(hot2(), 3);

// A proxy's arguments array must still be allocated in fun_call's realm.

receiver = new Proxy(function() {}, {

  apply(target, thisArg, args) { return args; }

});

var realm = newGlobal({sameCompartmentAs: proxy});

warm();

receiver.m = realm.Function.prototype.call;

var args = hot2();

assertEq(Object.getPrototypeOf(args), realm.Array.prototype);