test262/implementation-contributed/javascriptcore/stress/cow-convert-int32-to-array-...

26 lines
620 B
JavaScript

function createBuffer() {
return [1, 2];
}
noInline(createBuffer);
function shouldBe(a, b) {
if (a !== b)
throw new Error(a + " should be === to " + b);
}
function test() {
let array = createBuffer();
array[100000000] = "test";
shouldBe(createBuffer()[100000000], undefined);
array = createBuffer();
let o = Object.create(array);
o[100000000] = "test";
shouldBe(array[100000000], undefined);
shouldBe(createBuffer()[100000000], undefined);
shouldBe(Object.create(createBuffer())[100000000], undefined);
}
noInline(test);
for (let i = 0; i < 10000; i++)
test();