1[close-propagation-backward.sharedworker.html]
2  [Closing must be propagated backward: starts closed; preventCancel omitted; fulfilled cancel promise]
3    expected: FAIL
4
5  [Closing must be propagated backward: starts closed; preventCancel omitted; rejected cancel promise]
6    expected: FAIL
7
8  [Closing must be propagated backward: starts closed; preventCancel = undefined (falsy); fulfilled cancel promise]
9    expected: FAIL
10
11  [Closing must be propagated backward: starts closed; preventCancel = null (falsy); fulfilled cancel promise]
12    expected: FAIL
13
14  [Closing must be propagated backward: starts closed; preventCancel = false (falsy); fulfilled cancel promise]
15    expected: FAIL
16
17  [Closing must be propagated backward: starts closed; preventCancel = 0 (falsy); fulfilled cancel promise]
18    expected: FAIL
19
20  [Closing must be propagated backward: starts closed; preventCancel = -0 (falsy); fulfilled cancel promise]
21    expected: FAIL
22
23  [Closing must be propagated backward: starts closed; preventCancel = NaN (falsy); fulfilled cancel promise]
24    expected: FAIL
25
26  [Closing must be propagated backward: starts closed; preventCancel =  (falsy); fulfilled cancel promise]
27    expected: FAIL
28
29  [Closing must be propagated backward: starts closed; preventCancel = true (truthy)]
30    expected: FAIL
31
32  [Closing must be propagated backward: starts closed; preventCancel = a (truthy)]
33    expected: FAIL
34
35  [Closing must be propagated backward: starts closed; preventCancel = 1 (truthy)]
36    expected: FAIL
37
38  [Closing must be propagated backward: starts closed; preventCancel = Symbol() (truthy)]
39    expected: FAIL
40
41  [Closing must be propagated backward: starts closed; preventCancel = [object Object\] (truthy)]
42    expected: FAIL
43
44  [Closing must be propagated backward: starts closed; preventCancel = true, preventAbort = true]
45    expected: FAIL
46
47  [Closing must be propagated backward: starts closed; preventCancel = true, preventAbort = true, preventClose = true]
48    expected: FAIL
49
50