71 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
 | 
						|
 | 
						|
module.exports = function (t, a) {
 | 
						|
	var o, o1, o2, x, y = {}, z = {};
 | 
						|
	o = { inherited: true };
 | 
						|
	o1 = Object.create(o);
 | 
						|
	o1.visible = z;
 | 
						|
	o1.nonremovable = "raz";
 | 
						|
	Object.defineProperty(o1, "hidden", { value: "hidden" });
 | 
						|
 | 
						|
	o2 = Object.defineProperties({}, { nonremovable: { value: y } });
 | 
						|
	o2.other = "other";
 | 
						|
 | 
						|
	try { t(o2, o1); }
 | 
						|
	catch (ignore) {}
 | 
						|
 | 
						|
	a(o2.visible, z, "Enumerable");
 | 
						|
	a(o1.hidden, "hidden", "Not Enumerable");
 | 
						|
	a(o2.propertyIsEnumerable("visible"), true, "Enumerable is enumerable");
 | 
						|
	a(o2.propertyIsEnumerable("hidden"), false, "Not enumerable is not enumerable");
 | 
						|
 | 
						|
	a(o2.hasOwnProperty("inherited"), false, "Extend only own");
 | 
						|
	a(o2.inherited, undefined, "Extend ony own: value");
 | 
						|
 | 
						|
	a(o2.nonremovable, y, "Do not overwrite non configurable");
 | 
						|
	a(o2.other, "other", "Own kept");
 | 
						|
 | 
						|
	x = {};
 | 
						|
	t(x, o2);
 | 
						|
	try { t(x, o1); }
 | 
						|
	catch (ignore) {}
 | 
						|
 | 
						|
	a(x.visible, z, "Enumerable");
 | 
						|
	a(x.hidden, "hidden", "Not Enumerable");
 | 
						|
	a(x.propertyIsEnumerable("visible"), true, "Enumerable is enumerable");
 | 
						|
	a(x.propertyIsEnumerable("hidden"), false, "Not enumerable is not enumerable");
 | 
						|
 | 
						|
	a(x.hasOwnProperty("inherited"), false, "Extend only own");
 | 
						|
	a(x.inherited, undefined, "Extend ony own: value");
 | 
						|
 | 
						|
	a(x.nonremovable, y, "Ignored non configurable");
 | 
						|
	a(x.other, "other", "Other");
 | 
						|
 | 
						|
	x.visible = 3;
 | 
						|
	a(x.visible, 3, "Writable is writable");
 | 
						|
 | 
						|
	x = {};
 | 
						|
	t(x, o1);
 | 
						|
	a.throws(function () { x.hidden = 3; }, "Not writable is not writable");
 | 
						|
 | 
						|
	x = {};
 | 
						|
	t(x, o1);
 | 
						|
	delete x.visible;
 | 
						|
	a.ok(!x.hasOwnProperty("visible"), "Configurable is configurable");
 | 
						|
 | 
						|
	x = {};
 | 
						|
	t(x, o1);
 | 
						|
	a.throws(function () { delete x.hidden; }, "Not configurable is not configurable");
 | 
						|
 | 
						|
	x = Object.defineProperty({}, "foo", {
 | 
						|
		configurable: false,
 | 
						|
		writable: true,
 | 
						|
		enumerable: false,
 | 
						|
		value: "bar"
 | 
						|
	});
 | 
						|
 | 
						|
	try { t(x, { foo: "lorem" }); }
 | 
						|
	catch (ignore) {}
 | 
						|
	a(x.foo, "bar", "Writable, not enumerable");
 | 
						|
};
 |