Function CheckFunction

deps/v8/test/mjsunit/es6/classes-subclass-builtins.js:91–109

(func)

  assertEquals(undefined, Object.getOwnPropertyDescriptor(strict_func, "caller"));

  function CheckFunction(func) {
    assertEquals("function", typeof func);
    assertTrue(func instanceof Object);
    assertTrue(func instanceof Function);
    assertTrue(func instanceof A);
    checkPrototypeChain(func, [A, Function, Object]);
    assertEquals(42, func.a);
    assertEquals(4.2, func.d);
    assertEquals(153, func.o.foo);
    assertTrue(undefined !== func.prototype);
    func.prototype.bar = "func.bar";
    var obj = new func();
    assertTrue(obj instanceof Object);
    assertTrue(obj instanceof func);
    assertEquals("object", typeof obj);
    assertEquals(113, obj.foo);
    assertEquals("func.bar", obj.bar);
    delete func.prototype.bar;
  }

  var source = "this.foo = 113;";