1 files changed, 53 insertions, 0 deletions
diff --git a/toolkit/components/windowwatcher/test/browser_non_popup_from_popup.js b/toolkit/components/windowwatcher/test/browser_non_popup_from_popup.js
new file mode 100644
index 0000000000..9c905bacc1
--- /dev/null
+++ b/toolkit/components/windowwatcher/test/browser_non_popup_from_popup.js
@@ -0,0 +1,53 @@
+"use strict";
+
+// Opening non-popup from a popup should open a new tab in the most recent
+// non-popup window.
+add_task(async function test_non_popup_from_popup() {
+  const BLANK_PAGE = "data:text/html,";
+
+  // A page opened in a new tab.
+  const OPEN_PAGE = "data:text/plain,hello";
+
+  // A page opened in a new popup.
+  // This opens a new non-popup page with OPEN_PAGE,
+  // tha should be opened in a new tab in most recent window.
+  const NON_POPUP_OPENER = btoa(
+    `data:text/html,<script>window.open('${OPEN_PAGE}', '', '')</script>`
+  );
+
+  // A page opened in a new tab.
+  // This opens a popup with NON_POPUP_OPENER.
+  const POPUP_OPENER = `data:text/html,<script>window.open(atob("${NON_POPUP_OPENER}"), "", "width=500");</script>`;
+
+  await SpecialPowers.pushPrefEnv({
+    set: [["browser.link.open_newwindow", 3]],
+  });
+
+  await BrowserTestUtils.withNewTab(
+    {
+      gBrowser,
+      url: BLANK_PAGE,
+    },
+    async function (browser) {
+      // Wait for a popup opened by POPUP_OPENER.
+      const newPopupPromise = BrowserTestUtils.waitForNewWindow();
+
+      // Wait for a new tab opened by NON_POPUP_OPENER.
+      const newTabPromise = BrowserTestUtils.waitForNewTab(gBrowser, OPEN_PAGE);
+
+      // Open a new tab that opens a popup with NON_POPUP_OPENER.
+      BrowserTestUtils.startLoadingURIString(gBrowser, POPUP_OPENER);
+
+      let win = await newPopupPromise;
+      Assert.ok(true, "popup is opened");
+
+      let tab = await newTabPromise;
+      Assert.ok(true, "new tab is opened in the recent window");
+
+      BrowserTestUtils.removeTab(tab);
+      await BrowserTestUtils.closeWindow(win);
+    }
+  );
+
+  await SpecialPowers.popPrefEnv();
+});