1 files changed, 49 insertions, 0 deletions
diff --git a/browser/base/content/test/pageinfo/browser_pageinfo_separate_private.js b/browser/base/content/test/pageinfo/browser_pageinfo_separate_private.js
new file mode 100644
index 0000000000..ac93b7ddb2
--- /dev/null
+++ b/browser/base/content/test/pageinfo/browser_pageinfo_separate_private.js
@@ -0,0 +1,49 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ **/
+
+add_task(async function () {
+  let tab = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "https://example.com"
+  );
+  let browser = tab.linkedBrowser;
+  let pageInfo = BrowserPageInfo(browser.currentURI.spec);
+  await BrowserTestUtils.waitForEvent(pageInfo, "page-info-init");
+  Assert.strictEqual(
+    pageInfo.docShell.QueryInterface(Ci.nsILoadContext).usePrivateBrowsing,
+    false,
+    "non-private window opened private page info window"
+  );
+
+  let privateWindow = await BrowserTestUtils.openNewBrowserWindow({
+    private: true,
+  });
+  let privateTab = await BrowserTestUtils.openNewForegroundTab(
+    privateWindow.gBrowser,
+    "https://example.com"
+  );
+  let privateBrowser = privateTab.linkedBrowser;
+  let privatePageInfo = privateWindow.BrowserPageInfo(
+    privateBrowser.currentURI.spec
+  );
+  await BrowserTestUtils.waitForEvent(privatePageInfo, "page-info-init");
+  Assert.strictEqual(
+    privatePageInfo.docShell.QueryInterface(Ci.nsILoadContext)
+      .usePrivateBrowsing,
+    true,
+    "private window opened non-private page info window"
+  );
+
+  Assert.notEqual(
+    pageInfo,
+    privatePageInfo,
+    "private and non-private windows shouldn't have shared the same page info window"
+  );
+  pageInfo.close();
+  privatePageInfo.close();
+  BrowserTestUtils.removeTab(tab);
+  BrowserTestUtils.removeTab(privateTab);
+  await BrowserTestUtils.closeWindow(privateWindow);
+});