1 files changed, 96 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/unhandled-promise-rejections/disallow-crossorigin.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/unhandled-promise-rejections/disallow-crossorigin.html
new file mode 100644
index 0000000000..d61618a53e
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/unhandled-promise-rejections/disallow-crossorigin.html
@@ -0,0 +1,96 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/cors/support.js?pipe=sub"></script>
+<link rel="help" href="https://html.spec.whatwg.org/#unhandled-promise-rejections">
+<link rel="help" href="https://html.spec.whatwg.org/#muted-errors">
+
+<body>
+<script>
+'use strict';
+
+setup({
+  allow_uncaught_exception: true
+});
+
+(function() {
+  var resolveLoaded;
+  var loadedPromise = new Promise(function(resolve) { resolveLoaded = resolve; });
+
+  promise_test(function(t) {
+    var unreachedUnhandled = t.unreached_func('unhandledrejection event should never be triggered');
+    var unreachedHandled = t.unreached_func('rejectionhandled event should never be triggered');
+
+    addEventListener('unhandledrejection', unreachedUnhandled);
+    addEventListener('rejectionhandled', unreachedHandled);
+    ensureCleanup(t, unreachedUnhandled, unreachedHandled);
+
+    return loadedPromise.then(t.step_func(function() {
+      return new Promise(function(resolve) {
+        t.step_timeout(function() {
+          resolve();
+        }, 1000);
+      });
+    }));
+  }, 'Promise rejection event should be muted for cross-origin non-CORS script');
+
+  promise_test(function(t) {
+    var unreachedUnhandled = t.unreached_func('unhandledrejection event should never be triggered');
+    var unreachedHandled = t.unreached_func('rejectionhandled event should never be triggered');
+
+    addEventListener('unhandledrejection', unreachedUnhandled);
+    addEventListener('rejectionhandled', unreachedHandled);
+    ensureCleanup(t, unreachedUnhandled, unreachedHandled);
+
+    return new Promise(function(resolve) {
+      handleRejectedPromise(new Promise(function(resolve, reject) { reject(42); }));
+      t.step_timeout(function() {
+        resolve();
+      }, 1000);
+    });
+  }, 'Promise rejection should be muted if the rejected promise is handled in cross-origin non-CORS script');
+
+  promise_test(function(t) {
+    var promise = new Promise(function(resolve, reject) { reject(42); });
+    var resolveReceived;
+    var eventPromise = new Promise(function(resolve) { resolveReceived = resolve; });
+    var unhandled = t.step_func(function(e) {
+      if (e.promise === promise) {
+        handleRejectedPromise(promise);
+        resolveReceived();
+      }
+    });
+    var unreachedHandled = t.unreached_func('rejectionhandled event should never be triggered');
+
+    addEventListener('unhandledrejection', unhandled);
+    addEventListener('rejectionhandled', unreachedHandled);
+    ensureCleanup(t, unhandled, unreachedHandled);
+
+    return eventPromise.then(t.step_func(function() {
+      return new Promise(function(resolve) {
+        t.step_timeout(function() {
+          resolve();
+        }, 1000);
+      });
+    }));
+  }, 'Promise rejection should be muted if the rejected promise is handled in unhandledrejection event handler in cross-origin non-CORS script');
+
+  function ensureCleanup(t, unhandled, handled) {
+    t.add_cleanup(function() {
+      if (unhandled) {
+        removeEventListener('unhandledrejection', unhandled);
+      }
+      if (handled) {
+        removeEventListener('rejectionhandled', handled);
+      }
+    });
+  }
+
+  var scriptEl = document.createElement('script');
+  scriptEl.src = CROSSDOMAIN + 'support/promise-access-control.py?allow=false';
+  scriptEl.onload = resolveLoaded;
+  document.body.appendChild(scriptEl);
+}());
+</script>
+</body>