blob: 3209ab7109f68a4edde3be15f0f06c2a73329bb7 [file] [log] [blame]
function shouldBe(actual, expected) {
if (actual !== expected)
throw new Error('bad value: ' + actual);
}
function shouldThrow(func, errorMessage) {
var errorThrown = false;
var error = null;
try {
func();
} catch (e) {
errorThrown = true;
error = e;
}
if (!errorThrown)
throw new Error('not thrown');
if (String(error) !== errorMessage)
throw new Error(`bad error: ${String(error)}`);
}
var iterator;
[].values().__proto__.return = function () {
iterator = this;
};
var array = [
[0, 0],
[1, 0],
[2, 0],
];
var counter = 0;
Map.prototype.set = function () {
if (++counter >= 3)
throw new Error("ok");
};
shouldThrow(() => {
var map = new Map(array);
}, `Error: ok`);
shouldBe(iterator !== undefined, true);
shouldBe(iterator.next().done, true);
counter = 0;
iterator = undefined;
shouldThrow(() => {
var map = new Map(array);
}, `Error: ok`);
shouldBe(iterator !== undefined, true);
array.push([3, 0], [4, 0], [5, 0]);
var { done, value } = iterator.next();
shouldBe(done, false);
shouldBe(value, array[3]);