1 files changed, 86 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/cross-origin-opener-policy/resources/common.js b/testing/web-platform/tests/html/cross-origin-opener-policy/resources/common.js
new file mode 100644
index 0000000000..a005cb8a20
--- /dev/null
+++ b/testing/web-platform/tests/html/cross-origin-opener-policy/resources/common.js
@@ -0,0 +1,86 @@
+// To use the functions below, be sure to include the following files in your
+// test:
+// - "/common/get-host-info.sub.js" to get the different origin values.
+
+const SAME_ORIGIN = {origin: get_host_info().HTTPS_ORIGIN, name: "SAME_ORIGIN"};
+const SAME_SITE = {origin: get_host_info().HTTPS_REMOTE_ORIGIN, name: "SAME_SITE"};
+const CROSS_ORIGIN = {origin: get_host_info().HTTPS_NOTSAMESITE_ORIGIN, name: "CROSS_ORIGIN"}
+
+function addScriptAndTriggerOnload(src, onload){
+  return `script = document.createElement("script");
+  script.src= "${src}" ;
+  script.onload = () => {
+    ${onload}
+  };
+  document.head.append(script);`
+}
+
+function verify_window(callback, w, hasOpener) {
+  // If there's no opener, the w must be closed:
+  assert_equals(w.closed, !hasOpener, 'w.closed');
+  // Opener's access on w.length is possible only if hasOpener:
+  assert_equals(w.length, hasOpener? 1: 0, 'w.length');
+  callback();
+}
+
+function validate_results(callback, test, w, channelName, hasOpener, openerDOMAccess, payload) {
+  assert_equals(payload.name, hasOpener ? channelName : "", 'name');
+  assert_equals(payload.opener, hasOpener, 'opener');
+  // TODO(zcorpan): add openerDOMAccess expectations to all tests
+  if (openerDOMAccess !== undefined) {
+    assert_equals(payload.openerDOMAccess, openerDOMAccess, 'openerDOMAccess');
+  }
+
+  // The window proxy in Chromium might still reflect the previous frame,
+  // until its unloaded. This delays the verification of w here.
+  if( !w.closed && w.length == 0) {
+    test.step_timeout( () => {
+        verify_window(callback, w, hasOpener);
+    }, 500);
+  } else {
+    verify_window(callback, w, hasOpener);
+  }
+}
+
+// Note: This function is deprecated and should not be used by new tests.
+// Instead, use `dispatcher_url_test()`.
+function url_test(t, url, channelName, hasOpener, openerDOMAccess, callback) {
+  if (callback === undefined) {
+    callback = () => { t.done(); };
+  }
+  const bc = new BroadcastChannel(channelName);
+  bc.onmessage = t.step_func(event => {
+    const payload = event.data;
+    validate_results(callback, t, w, channelName, hasOpener, openerDOMAccess, payload);
+  });
+
+  const w = window.open(url, channelName);
+
+  // Close the popup once the test is complete.
+  // The browsing context might be closed hence use the broadcast channel
+  // to trigger the closure.
+  t.add_cleanup(() => {
+    bc.postMessage("close");
+  });
+}
+
+// Similar to `url_test()` above except that this uses a dispatcher instead of
+// BroadcastChannel (useful in cases where the context we are testing in is a
+// third-party iframe that doesn't share a partition with the top-level
+// site).
+async function dispatcher_url_test(t, url, responseToken, iframeToken, hasOpener, openerDOMAccess, callback) {
+
+  const w = window.open(url, responseToken);
+
+  // Close the popup once the test is complete.
+  // The browsing context might be closed hence we'll have the iframe trigger
+  // the closure by sending it a 'close' message.
+  t.add_cleanup(async () => {
+    await send(iframeToken, "close");
+  });
+
+  var payload = await receive(responseToken);
+  payload = JSON.parse(payload);
+  validate_results(callback, t, w, responseToken, hasOpener, openerDOMAccess, payload);
+}
+