1 files changed, 67 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/module/resources/dynamic-import-credentials-helper.sub.js b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/module/resources/dynamic-import-credentials-helper.sub.js
new file mode 100644
index 0000000000..7d9b024e75
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/module/resources/dynamic-import-credentials-helper.sub.js
@@ -0,0 +1,67 @@
+// runTestsFromIframe() is used in the top-level HTML to set cookies and then
+// start actual tests in iframe.
+function runTestsFromIframe(iframe_url) {
+  const setSameOriginCookiePromise = fetch(
+    '/cookies/resources/set-cookie.py?name=same&path=/html/semantics/scripting-1/the-script-element/module/',
+    {
+      mode: 'no-cors',
+      credentials: 'include',
+    });
+  const setCrossOriginCookiePromise = fetch(
+    'http://{{domains[www2]}}:{{ports[http][0]}}/cookies/resources/set-cookie.py?name=cross&path=/html/semantics/scripting-1/the-script-element/module/',
+    {
+      mode: 'no-cors',
+      credentials: 'include',
+    });
+  const windowLoadPromise = new Promise(resolve => {
+    window.addEventListener('load', () => {
+      resolve();
+    });
+  });
+
+  const iframe = document.createElement('iframe');
+  Promise.all([setSameOriginCookiePromise,
+               setCrossOriginCookiePromise,
+               windowLoadPromise]).then(() => {
+    iframe.src = iframe_url;
+    document.body.appendChild(iframe);
+    fetch_tests_from_window(iframe.contentWindow);
+  });
+}
+
+// The functions below are used from tests within the iframe.
+
+let testNumber = 0;
+
+// importFunc and setTimeoutFunc is used to make the active script at the time
+// of import() to be the script elements that call `runTest()`,
+// NOT this script defining runTest().
+
+function runTest(importFunc, origin, expected, source) {
+  let url;
+  let description;
+  if (origin === 'same') {
+    url = "./check-cookie.py";
+    description = "Same-origin dynamic import from " + source;
+  } else {
+    url = "http://{{domains[www2]}}:{{ports[http][0]}}/html/semantics/scripting-1/the-script-element/module/resources/check-cookie.py";
+    description = "Cross-origin dynamic import from " + source;
+  }
+  promise_test(() => {
+    const id = "test" + testNumber;
+    testNumber += 1;
+    return importFunc(url + "?id=" + id + "&cookieName=" + origin + "&origin=" + location.origin)
+      .then(() => {
+          assert_equals(window[id], expected, "cookie");
+        });
+  }, description);
+}
+
+function setTimeoutWrapper(setTimeoutFunc) {
+  return url => {
+    return new Promise(resolve => {
+      window.resolve = resolve;
+      setTimeoutFunc(`import("${url}").then(window.resolve)`);
+    });
+  };
+}