1 files changed, 59 insertions, 0 deletions
diff --git a/docshell/test/browser/browser_alternate_fixup_middle_click_link.js b/docshell/test/browser/browser_alternate_fixup_middle_click_link.js
new file mode 100644
index 0000000000..8a55e12e52
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+++ b/docshell/test/browser/browser_alternate_fixup_middle_click_link.js
@@ -0,0 +1,59 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Check that we don't do alternate fixup when users middle-click
+ * broken links in the content document.
+ */
+add_task(async function test_alt_fixup_middle_click() {
+  await BrowserTestUtils.withNewTab("about:blank", async browser => {
+    await SpecialPowers.spawn(browser, [], () => {
+      let link = content.document.createElement("a");
+      // eslint-disable-next-line @microsoft/sdl/no-insecure-url
+      link.href = "http://example/foo";
+      link.textContent = "Me, me, click me!";
+      content.document.body.append(link);
+    });
+    let newTabPromise = BrowserTestUtils.waitForNewTab(gBrowser);
+    await BrowserTestUtils.synthesizeMouseAtCenter(
+      "a[href]",
+      { button: 1 },
+      browser
+    );
+    let tab = await newTabPromise;
+    let { browsingContext } = tab.linkedBrowser;
+    // Account for the possibility of a race, where the error page has already loaded:
+    if (
+      !browsingContext.currentWindowGlobal?.documentURI.spec.startsWith(
+        "about:neterror"
+      )
+    ) {
+      await BrowserTestUtils.browserLoaded(
+        tab.linkedBrowser,
+        false,
+        null,
+        true
+      );
+    }
+    // TBH, if the test fails, we probably force-crash because we try to reach
+    // *www.* example.com, which isn't proxied by the test infrastructure so
+    // will forcibly abort the test. But we need some asserts so they might as
+    // well be meaningful:
+    is(
+      tab.linkedBrowser.currentURI.spec,
+      // eslint-disable-next-line @microsoft/sdl/no-insecure-url
+      "http://example/foo",
+      "URL for tab should be correct."
+    );
+
+    ok(
+      browsingContext.currentWindowGlobal.documentURI.spec.startsWith(
+        "about:neterror"
+      ),
+      "Should be showing error page."
+    );
+    BrowserTestUtils.removeTab(tab);
+  });
+});