45 lines
1007 B
HTML
45 lines
1007 B
HTML
<p>
|
|
This page verifies that the single property optimization doesn't cause similar
|
|
looking objects to be given the same structure identifiers. If the test passes,
|
|
you'll see a PASS message below.
|
|
</p>
|
|
|
|
<pre id="console"></pre>
|
|
|
|
<script>
|
|
(function() {
|
|
if (window.testRunner)
|
|
testRunner.dumpAsText();
|
|
|
|
function log(s)
|
|
{
|
|
if (this.document)
|
|
document.getElementById("console").appendChild(document.createTextNode(s + "\n"));
|
|
else
|
|
print(s + "\n");
|
|
}
|
|
|
|
function shouldBe(a, aDescription, b)
|
|
{
|
|
if (a === b) {
|
|
log("PASS: " + aDescription + " should be " + b + " and is.");
|
|
} else {
|
|
log("FAIL: " + aDescription + " should be " + b + " but instead is " + a + ".");
|
|
}
|
|
}
|
|
|
|
function getA(o)
|
|
{
|
|
return o.a;
|
|
}
|
|
|
|
var o1 = { a: 1, x: 1 };
|
|
var o2 = { b: 1, x: 1 };
|
|
|
|
getA(o1);
|
|
getA(o1);
|
|
|
|
shouldBe(getA(o2), "getA(o2)", undefined);
|
|
})();
|
|
</script>
|