proxy-inline-cache.js [plain text]
var niters = 100000;
function cacheOnTarget() {
var target = {x:42};
var proxy = createProxy(target);
var getX = function(o) { return o.x; };
noInline(getX);
var sum = 0;
for (var i = 0; i < niters; ++i)
sum += getX(proxy);
if (sum != 42 * niters)
throw new Error("Incorrect result");
};
function cacheOnPrototypeOfTarget() {
var proto = {x:42};
var target = Object.create(proto);
var proxy = createProxy(target);
var getX = function(o) { return o.x; };
noInline(getX);
var sum = 0;
for (var i = 0; i < niters; ++i)
sum += getX(proxy);
if (sum != 42 * niters)
throw new Error("Incorrect result");
};
function dontCacheOnProxyInPrototypeChain() {
var target = {x:42};
var protoProxy = createProxy(target);
var base = Object.create(protoProxy);
var getX = function(o) { return o.x; };
noInline(getX);
var sum = 0;
for (var i = 0; i < niters; ++i)
sum += getX(base);
if (sum != 42 * niters)
throw new Error("Incorrect result");
};
function dontCacheOnTargetOfProxyInPrototypeChainOfTarget() {
var target2 = {x:42};
var protoProxy = createProxy(target2);
var target1 = Object.create(protoProxy);
var proxy = createProxy(target1);
var getX = function(o) { return o.x; };
noInline(getX);
var sum = 0;
for (var i = 0; i < niters; ++i)
sum += getX(proxy);
if (sum != 42 * niters)
throw new Error("Incorrect result");
};
cacheOnTarget();
cacheOnPrototypeOfTarget();
dontCacheOnProxyInPrototypeChain();
dontCacheOnTargetOfProxyInPrototypeChainOfTarget();