1package goja
2
3import (
4	"testing"
5)
6
7func TestWeakSetBasic(t *testing.T) {
8	const SCRIPT = `
9	var s = new WeakSet();
10	var o = {};
11	s.add(o);
12	if (!s.has(o)) {
13		throw new Error("has");
14	}
15	s.delete(o);
16	if (s.has(o)) {
17		throw new Error("still has");
18	}
19	`
20	testScript1(SCRIPT, _undefined, t)
21}
22
23func TestWeakSetArraySimple(t *testing.T) {
24	const SCRIPT = `
25	var o1 = {}, o2 = {}, o3 = {};
26
27	var s = new WeakSet([o1, o2, o3]);
28	s.has(o1) && s.has(o2) && s.has(o3);
29	`
30	testScript1(SCRIPT, valueTrue, t)
31}
32
33func TestWeakSetArrayGeneric(t *testing.T) {
34	const SCRIPT = `
35	var o1 = {}, o2 = {}, o3 = {};
36	var a = new Array();
37	var s;
38	var thrown = false;
39	a[1] = o2;
40
41	try {
42		s = new WeakSet(a);
43	} catch (e) {
44		if (e instanceof TypeError) {
45			thrown = true;
46		}
47	}
48	if (!thrown) {
49		throw new Error("Case 1 does not throw");
50	}
51
52	Object.defineProperty(a.__proto__, "0", {value: o1, writable: true, enumerable: true, configurable: true});
53	s = new WeakSet(a);
54	if (!(s.has(o1) && s.has(o2) && !s.has(o3))) {
55		throw new Error("Case 2 failed");
56	}
57
58	Object.defineProperty(a, "2", {value: o3, configurable: true});
59	s = new WeakSet(a);
60	s.has(o1) && s.has(o2) && s.has(o3);
61	`
62	testScript1(SCRIPT, valueTrue, t)
63}
64