opener-setter.window.js

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /html/browsers/windows/auxiliary-browsing-contexts/opener-setter.window.html - WPT Dashboard Interop Dashboard

  undefined,

42,

  function() { return "hi" },

  "hi",

{},

[],

  Symbol()

].forEach(val => {

  test(t => {

    const frame = document.body.appendChild(document.createElement("iframe")),

          win = frame.contentWindow;

    t.add_cleanup(() => frame.remove());

    assert_own_property(win, "opener");

    assert_equals(win.opener, null);

    const beforeDesc = Object.getOwnPropertyDescriptor(win, "opener"),

          openerGet = beforeDesc.get,

          openerSet = beforeDesc.set;

    assert_own_property(beforeDesc, "get");

    assert_own_property(beforeDesc, "set");

    assert_true(beforeDesc.enumerable);

    assert_true(beforeDesc.configurable);

    win.opener = val;

    assert_equals(win.opener, val);

    assert_equals(openerGet(), null);

    const desc = Object.getOwnPropertyDescriptor(win, "opener");

    assert_equals(desc.value, val);

    assert_true(desc.writable);

    assert_true(desc.enumerable);

    assert_true(desc.configurable);

    openerSet("x");

    assert_equals(win.opener, "x");

  }, "Setting window.opener to " + String(val)); // String() needed for symbols

});