part 8) Add WPTs for trusted types when constructing Workers from Wor…

…kerGlobalScope. Fixes w3c/trusted-types#567. Differential Revision: https://phabricator.services.mozilla.com/D232359 bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1907849 gecko-commit: 33f7437132ed1729faaca96797f96c7712518852 gecko-reviewers: smaug
web-platform-tests · Dec 18, 2024 · a82c064 · a82c064
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diff --git a/trusted-types/WorkerGlobalScope-worker-constructor.html b/trusted-types/WorkerGlobalScope-worker-constructor.html
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+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+  <script>
+    fetch_tests_from_worker(new Worker(
+      "support/WorkerGlobalScope-worker-constructor.js"));
+  </script>
+</body>
+</html>
diff --git a/trusted-types/support/WorkerGlobalScope-worker-constructor.js b/trusted-types/support/WorkerGlobalScope-worker-constructor.js
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+const test_setup_policy = trustedTypes.createPolicy("p",
+  { createScriptURL: s => s }
+);
+
+importScripts(test_setup_policy.createScriptURL("/resources/testharness.js"));
+
+test(() => {
+  assert_throws_js(TypeError, () => { new Worker("w"); },
+    "Creating a Worker threw");
+}, "Creating a Worker from a string should throw");
+
+test(() => {
+  new Worker(test_setup_policy.createScriptURL("u"));
+}, "Creating a Worker from a TrustedScriptURL should not throw");
+
+test(() => {
+  trustedTypes.createPolicy("default",
+    { createScriptURL: s => "defaultValue" });
+
+  new Worker("s");
+}, "Creating a Worker from a string with a default policy should not throw");
+
+done();
diff --git a/trusted-types/support/WorkerGlobalScope-worker-constructor.js.headers b/trusted-types/support/WorkerGlobalScope-worker-constructor.js.headers
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+Content-Security-Policy: require-trusted-types-for 'script'
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		Content-Security-Policy: require-trusted-types-for 'script'