1 files changed, 47 insertions, 0 deletions
diff --git a/dom/ipc/tests/JSWindowActor/browser_contentWindow.js b/dom/ipc/tests/JSWindowActor/browser_contentWindow.js
new file mode 100644
index 0000000000..cfdc5b114f
--- /dev/null
+++ b/dom/ipc/tests/JSWindowActor/browser_contentWindow.js
@@ -0,0 +1,47 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+declTest("contentWindow null when inner window inactive", {
+  matches: [TEST_URL + "*"],
+  url: TEST_URL + "?1",
+
+  async test(browser) {
+    {
+      let parent = browser.browsingContext.currentWindowGlobal;
+      let actorParent = parent.getActor("TestWindow");
+
+      await actorParent.sendQuery("storeActor");
+    }
+
+    {
+      let url = TEST_URL + "?2";
+      let loaded = BrowserTestUtils.browserLoaded(browser, false, url);
+      await BrowserTestUtils.loadURI(browser, url);
+      await loaded;
+    }
+
+    let parent = browser.browsingContext.currentWindowGlobal;
+    let actorParent = parent.getActor("TestWindow");
+
+    let result = await actorParent.sendQuery("checkActor");
+    if (SpecialPowers.useRemoteSubframes) {
+      is(
+        result.status,
+        "error",
+        "Should get an error when bfcache is disabled for Fission"
+      );
+      is(
+        result.errorType,
+        "InvalidStateError",
+        "Should get an InvalidStateError without bfcache"
+      );
+    } else {
+      is(result.status, "success", "Should succeed when bfcache is enabled");
+      ok(
+        result.valueIsNull,
+        "Should get a null contentWindow when inner window is inactive"
+      );
+    }
+  },
+});