ladybird/Libraries/LibJS/Tests/array-basic.js

46 lines
973 B
JavaScript

load("test-common.js");
try {
var a = [1, 2, 3];
assert(typeof a === "object");
assert(a.length === 3);
assert(a[0] === 1);
assert(a[1] === 2);
assert(a[2] === 3);
a[1] = 5;
assert(a[1] === 5);
assert(a.length === 3);
a.push(7);
assert(a[3] === 7);
assert(a.length === 4);
a = [,];
assert(a.length === 1);
assert(a.toString() === "");
assert(a[0] === undefined);
a = [,,,,];
assert(a.length === 4);
assert(a.toString() === ",,,");
assert(a[0] === undefined);
assert(a[1] === undefined);
assert(a[2] === undefined);
assert(a[3] === undefined);
a = [1,,2,,,3,];
assert(a.length === 6);
assert(a.toString() === "1,,2,,,3");
assert(a[0] === 1);
assert(a[1] === undefined);
assert(a[2] === 2);
assert(a[3] === undefined);
assert(a[4] === undefined);
assert(a[5] === 3);
console.log("PASS");
} catch (e) {
console.log("FAIL: " + e);
}