1 files changed, 52 insertions, 0 deletions
diff --git a/toolkit/components/passwordmgr/test/browser/browser_isProbablyASignUpForm.js b/toolkit/components/passwordmgr/test/browser/browser_isProbablyASignUpForm.js
new file mode 100644
index 0000000000..cc8bc63e7a
--- /dev/null
+++ b/toolkit/components/passwordmgr/test/browser/browser_isProbablyASignUpForm.js
@@ -0,0 +1,52 @@
+"use strict";
+
+const TEST_URL = `https://example.com${DIRECTORY_PATH}form_signup_detection.html`;
+
+add_task(async () => {
+  await BrowserTestUtils.withNewTab(
+    {
+      gBrowser,
+      url: TEST_URL,
+    },
+    async browser => {
+      await SpecialPowers.spawn(browser, [], async () => {
+        const doc = content.document;
+        const { FormScenarios } = ChromeUtils.importESModule(
+          "resource://gre/modules/FormScenarios.sys.mjs"
+        );
+
+        function assertSignUpForm(
+          message,
+          formId,
+          inputId,
+          expectedToBeSignUp
+        ) {
+          const isSignUpForm = !!FormScenarios.detect({
+            form: doc.getElementById(formId),
+            input: doc.getElementById(inputId),
+          }).signUpForm;
+          Assert.equal(isSignUpForm, expectedToBeSignUp, message);
+        }
+
+        assertSignUpForm(
+          "Obvious signup form is detected as sign up form",
+          "obvious-signup-form",
+          "obvious-signup-email",
+          true
+        );
+        assertSignUpForm(
+          "Obvious non signup form is detected as non sign up form",
+          "obvious-login-form",
+          "obvious-login-username",
+          false
+        );
+        assertSignUpForm(
+          "An <input> HTML element is detected as non sign up form",
+          "",
+          "standalone-username",
+          false
+        );
+      });
+    }
+  );
+});