1 files changed, 28 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/nosniff/importscripts.js b/testing/web-platform/tests/fetch/nosniff/importscripts.js
new file mode 100644
index 0000000000..18952805bb
--- /dev/null
+++ b/testing/web-platform/tests/fetch/nosniff/importscripts.js
@@ -0,0 +1,28 @@
+// Testing importScripts()
+function log(w) { this.postMessage(w) }
+function f() { log("FAIL") }
+function p() { log("PASS") }
+
+const get_url = (mime, outcome) => {
+  let url = "resources/js.py"
+  if (mime != null) {
+      url += "?type=" + encodeURIComponent(mime)
+  }
+  if (outcome) {
+    url += "&outcome=p"
+  }
+  return url
+}
+
+[null, "", "x", "x/x", "text/html", "text/json"].forEach(function(mime) {
+  try {
+    importScripts(get_url(mime))
+  } catch(e) {
+    (e.name == "NetworkError") ? p() : log("FAIL (no NetworkError exception): " + mime)
+  }
+
+})
+importScripts(get_url("text/javascript", true))
+importScripts(get_url("text/ecmascript", true))
+importScripts(get_url("text/ecmascript;blah", true))
+log("END")