ladybird/Libraries/LibJS/Tests/builtins/Array/Array.js

load("test-common.js");

try {
  assert(Array.length === 1);
  assert(Array.name === "Array");
  assert(Array.prototype.length === 0);

  assert(typeof Array() === "object");
  assert(typeof new Array() === "object");

  var a;

  a = new Array(5);
  assert(a.length === 5);

  a = new Array("5");
  assert(a.length === 1);
  assert(a[0] === "5");

  a = new Array(1, 2, 3);
  assert(a.length === 3);
  assert(a[0] === 1);
  assert(a[1] === 2);
  assert(a[2] === 3);

  a = new Array([1, 2, 3]);
  assert(a.length === 1);
  assert(a[0][0] === 1);
  assert(a[0][1] === 2);
  assert(a[0][2] === 3);

  a = new Array(1, 2, 3);
  Object.defineProperty(a, 3, {
    get() {
      return 10;
    },
  });
  assert(a.toString() === "1,2,3,10");

  [-1, -100, -0.1, 0.1, 1.23, Infinity, -Infinity, NaN].forEach(value => {
    assertThrowsError(
      () => {
        new Array(value);
      },
      {
        error: TypeError,
        message: "Invalid array length",
      }
    );
  });

  console.log("PASS");
} catch (e) {
  console.log("FAIL: " + e);
}