ladybird/Libraries/LibJS/Tests/functions/function-spread.js
2020-07-06 23:40:35 +02:00

30 lines
510 B
JavaScript

load("test-common.js");
try {
const sum = (a, b, c) => a + b + c;
const a = [1, 2, 3];
assert(sum(...a) === 6);
assert(sum(1, ...a) === 4);
assert(sum(...a, 10) === 6);
const foo = (a, b, c) => c;
const o = { bar: [1, 2, 3] };
assert(foo(...o.bar) === 3);
assert(foo(..."abc") === "c");
assertThrowsError(
() => {
[...1];
},
{
error: TypeError,
message: "1 is not iterable",
}
);
console.log("PASS");
} catch (e) {
console.log("FAIL: " + e);
}