test262/implementation-contributed/javascriptcore/stress/scoped-arguments-write-barrier-should-be-on-scope-object.js
test262-automation e9a5a7f918 [javascriptcore-test262-automation] changes from git@github.com:WebKit/webkit.git at sha 949e26452cfa153a7f4afe593da97e2fe9e1b706 on Tue Jul 03 2018 14:35:15 GMT-0400 (Eastern Daylight Time) (#1620)
* [javascriptcore-test262-automation] changes from git@github.com:WebKit/webkit.git at sha 949e26452cfa153a7f4afe593da97e2fe9e1b706 on Tue Jul 03 2018 14:35:15 GMT-0400 (Eastern Daylight Time)
2018-07-03 15:59:58 -04:00

36 lines
788 B
JavaScript

//@ runDefault
// This test should not crash.
var arr = [];
let numberOfIterations = 1000;
function captureScopedArguments(i) {
try {
eval("arr[" + i + "] = arguments");
} catch(e) {
}
}
function addPointersToEdenGenObjects(i) {
Array.prototype.push.call(arr[i], [,,]);
try {
Array.prototype.reverse.call(arr[i])
} catch (e) {
}
}
for (var i = 0; i < numberOfIterations; i++) {
captureScopedArguments(i);
}
gc(); // Promote those ScopeArguments to the old generation.
for (var i = 0; i < numberOfIterations; i++) {
addPointersToEdenGenObjects(i);
}
edenGC(); // Do eden GC to scan the remembered set which should include the ScopedArguments.
gc(); // Scan the ScopedArguments again. They better not point to collected objects.