ladybird/Libraries/LibJS/Tests/functions/function-name.js

load("test-common.js");

try {
  assert(function () {}.name === "");

  var foo = function () {};
  assert(foo.name === "foo");
  assert((foo.name = "bar") === "bar");
  assert(foo.name === "foo");

  var a, b;
  a = b = function () {};
  assert(a.name === "b");
  assert(b.name === "b");

  var arr = [function () {}, function () {}, function () {}];
  assert(arr[0].name === "arr");
  assert(arr[1].name === "arr");
  assert(arr[2].name === "arr");

  var f;
  var o = { a: function () {} };
  assert(o.a.name === "a");
  f = o.a;
  assert(f.name === "a");
  assert(o.a.name === "a");
  o = { ...o, b: f };
  assert(o.a.name === "a");
  assert(o.b.name === "a");
  o.c = function () {};
  assert(o.c.name === "c");

  function bar() {}
  assert(bar.name === "bar");
  assert((bar.name = "baz") === "baz");
  assert(bar.name === "bar");

  assert(console.log.name === "log");
  assert((console.log.name = "warn") === "warn");
  assert(console.log.name === "log");

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