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load("test-common.js");
function testArray(arr) {
return arr.length === 4 &&
arr[0] === 0 &&
arr[1] === 1 &&
arr[2] === 2 &&
arr[3] === 3;
}
try {
let arr = [0, ...[1, 2], 3];
assert(testArray(arr));
let a = [1, 2];
arr = [0, ...a, 3];
assert(testArray(arr));
let obj = { a: [1, 2] };
arr = [0, ...obj.a, 3];
assert(testArray(arr));
arr = [...[], ...[...[0, 1, 2]], 3];
assert(testArray(arr));
assertThrowsError(() => {
[...1];
}, {
error: TypeError,
message: "1 is not iterable",
});
assertThrowsError(() => {
[...{}];
}, {
error: TypeError,
message: "[object Object] is not iterable",
});
console.log("PASS");
} catch (e) {
console.log("FAIL: " + e);
}
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