21 lines
381 B
JavaScript
21 lines
381 B
JavaScript
function shouldBe(actual, expected)
|
|
{
|
|
if (actual !== expected)
|
|
throw new Error('bad value: ' + actual);
|
|
}
|
|
|
|
function test()
|
|
{
|
|
var set = new Set();
|
|
var res1 = set.has(42);
|
|
set.add(42);
|
|
var res2 = set.has(42);
|
|
return [res1, res2];
|
|
}
|
|
|
|
for (var i = 0; i < 1e6; ++i) {
|
|
var [res1, res2] = test();
|
|
shouldBe(res1, false);
|
|
shouldBe(res2, true);
|
|
}
|