surfaces.js (482B)
1 // Check superficial properties of the Proxy constructor. 2 3 var desc = Object.getOwnPropertyDescriptor(this, "Proxy"); 4 assertEq(desc.configurable, true); 5 assertEq(desc.enumerable, false); 6 assertEq(desc.writable, true); 7 assertEq(desc.value, Proxy); 8 9 assertEq(typeof Proxy, "function"); 10 assertEq(Object.getPrototypeOf(Proxy), Function.prototype); 11 assertEq(Proxy.length, 2); 12 13 // Proxy is a constructor but has no .prototype property. 14 assertEq(Proxy.hasOwnProperty("prototype"), false);