test262/implementation-contributed/javascriptcore/stress/redundant-array-bounds-checks-unchecked-addition.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

51 lines
1.9 KiB
JavaScript

function foo(a, i) {
return [a[(i + 0)|0], a[(i + 1)|0], a[(i + 2)|0], a[(i + 3)|0], a[(i + 4)|0], a[(i + 5)|0], a[(i + 6)|0], a[(i + 7)|0]];
}
noInline(foo);
function arraycmp(a, b) {
if (a.length != b.length)
return false;
for (var i = 0; i < a.length; ++i) {
if (a[i] != b[i])
return false;
}
return true;
}
for (var i = 0; i < 100000; ++i) {
var array = [];
var offset = i & 3;
for (var j = 0; j < offset; ++j)
array.push(42);
var result = foo(array.concat([1, 2, 3, 4, 5, 6, 7, 8]), offset);
if (!arraycmp(result, [1, 2, 3, 4, 5, 6, 7, 8]))
throw "Error: bad result (1..8): " + result;
}
var result = foo([1, 2, 3, 4, 5, 6, 7], 0);
if (!arraycmp(result, [1, 2, 3, 4, 5, 6, 7, void 0]))
throw "Error: bad result (1..7): " + result;
var result = foo([1, 2, 3, 4, 5, 6], 0);
if (!arraycmp(result, [1, 2, 3, 4, 5, 6, void 0, void 0]))
throw "Error: bad result (1..6): " + result;
var result = foo([1, 2, 3, 4, 5], 0);
if (!arraycmp(result, [1, 2, 3, 4, 5, void 0, void 0, void 0]))
throw "Error: bad result (1..5): " + result;
var result = foo([1, 2, 3, 4], 0);
if (!arraycmp(result, [1, 2, 3, 4, void 0, void 0, void 0, void 0]))
throw "Error: bad result (1..4): " + result;
var result = foo([1, 2, 3], 0);
if (!arraycmp(result, [1, 2, 3, void 0, void 0, void 0, void 0, void 0]))
throw "Error: bad result (1..3): " + result;
var result = foo([1, 2], 0);
if (!arraycmp(result, [1, 2, void 0, void 0, void 0, void 0, void 0, void 0]))
throw "Error: bad result (1..2): " + result;
var result = foo([1], 0);
if (!arraycmp(result, [1, void 0, void 0, void 0, void 0, void 0, void 0, void 0]))
throw "Error: bad result (1..1): " + result;
var result = foo([], 0);
if (!arraycmp(result, [void 0, void 0, void 0, void 0, void 0, void 0, void 0, void 0]))
throw "Error: bad result (1..1): " + result;