1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
<!DOCTYPE html>
<html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
const dynamicScript = document.createElement("script");
dynamicScript.type = "importmap";
dynamicScript.innerText = "{ \"imports\": { \"./resources/log.js?pipe=sub&name=A\": \"./resources/log.js?pipe=sub&name=B\" } }";
document.head.appendChild(dynamicScript);
</script>
<script>
let log = [];
promise_test(() => {
return import("./resources/log.js?pipe=sub&name=A")
.then(() => import("./resources/log.js?pipe=sub&name=B"))
.then(() => assert_array_equals(log, ["log:B"]))
},
"Module map's key is the URL after import map resolution");
</script>
<script>
// Ensure that the Already Started flag is passed through to clones,
// ensuring the type cannot be changed after it is set to true.
const dynamicScriptTypeStatic = document.createElement("script");
dynamicScriptTypeStatic.type = "text/javascript";
dynamicScriptTypeStatic.type = "importmap";
dynamicScriptTypeStatic.innerText = "{ \"imports\": { \"./resources/log.js?pipe=sub&name=C\": \"./resources/log.js?pipe=sub&name=D\" } }";
document.head.appendChild(dynamicScriptTypeStatic);
// Because the contents aren't empty, once it's connected as an import
// map, the Already Started flag is set to true and it can't be changed
// into a classic script.
document.head.removeChild(dynamicScriptTypeStatic);
dynamicScriptTypeStatic.type = "text/javascript";
dynamicScriptTypeStatic.innerText = "test(function() { assert_unreached('Script should not be able to execute after Already Started is set.'); }";
document.head.appendChild(dynamicScriptTypeStatic);
// The Already Started flag is copied through to clones, even though
// `type` is set to "text/javascript" when it is connected.
const clonedScriptNode = dynamicScriptTypeStatic.cloneNode(/*deep=*/true);
test(function() {
assert_equals(clonedScriptNode.type, "text/javascript");
assert_equals(clonedScriptNode.innerText, "test(function() { assert_unreached('Script should not be able to execute after Already Started is set.'); }");
}, "Cloned script node copies attribute and text content.");
document.head.appendChild(clonedScriptNode);
// Script tags with empty contents do not set Already Started to true,
// so the type can be changed later and on clones, even if they have
// been connected.
const dynamicScriptEmpty = document.createElement("script");
dynamicScriptEmpty.type = "importmap";
document.head.appendChild(dynamicScriptEmpty);
document.head.removeChild(dynamicScriptEmpty);
// The Already Started flag is copied onto clones.
dynamicScriptEmpty.type = "text/javascript";
const clonedEmptyScript = dynamicScriptEmpty.cloneNode(/*deep=*/true);
test(function() {
assert_equals(clonedEmptyScript.type, "text/javascript");
assert_equals(clonedEmptyScript.innerText, "");
}, "Cloned script node copies attributes and text content.");
// Because Already Started is false, The clone can be set to a different
// type than the original element and both can be inserted as their
// respective types.
clonedEmptyScript.setAttribute("type", "importmap");
clonedEmptyScript.innerText = "{ \"imports\": { \"./resources/log.js?pipe=sub&name=E\": \"./resources/log.js?pipe=sub&name=F\" } }";
document.head.appendChild(clonedEmptyScript);
const t_evaluate = async_test("The Already Started flag is set when a non-empty <script> tag is connected.");
dynamicScriptEmpty.innerText = "t_evaluate.done();";
document.head.appendChild(dynamicScriptEmpty);
</script>
<script>
promise_test(() => {
return import("./resources/log.js?pipe=sub&name=C")
.then(() => import("./resources/log.js?pipe=sub&name=D"))
.then(() => import("./resources/log.js?pipe=sub&name=E"))
.then(() => assert_array_equals(log, ["log:B", "log:D", "log:F"]))
},
"The script tag's Already Started flag is passed to clones.");
</script>
</html>
|
