From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../test/mochitest/creditCard/mochitest.ini        |  26 ++
 .../test_basic_creditcard_autocomplete_form.html   | 251 +++++++++++
 .../test/mochitest/creditCard/test_clear_form.html | 205 +++++++++
 .../test_clear_form_expiry_select_elements.html    | 211 +++++++++
 .../test_creditcard_autocomplete_off.html          |  96 +++++
 ...w_highlight_with_multiple_cc_number_fields.html | 174 ++++++++
 .../test_preview_highlight_with_site_prefill.html  | 110 +++++
 .../test/mochitest/formautofill_common.js          | 478 +++++++++++++++++++++
 .../test/mochitest/formautofill_parent_utils.js    | 304 +++++++++++++
 .../formautofill/test/mochitest/mochitest.ini      |  23 +
 .../mochitest/test_address_level_1_submission.html | 102 +++++
 .../mochitest/test_autofill_and_ordinal_forms.html | 116 +++++
 .../test/mochitest/test_autofocus_form.html        |  69 +++
 .../mochitest/test_basic_autocomplete_form.html    | 220 ++++++++++
 .../test/mochitest/test_form_changes.html          | 128 ++++++
 .../test_formautofill_preview_highlight.html       | 121 ++++++
 .../test_multi_locale_CA_address_form.html         | 273 ++++++++++++
 .../test/mochitest/test_multiple_forms.html        |  67 +++
 .../test/mochitest/test_on_address_submission.html | 121 ++++++
 19 files changed, 3095 insertions(+)
 create mode 100644 browser/extensions/formautofill/test/mochitest/creditCard/mochitest.ini
 create mode 100644 browser/extensions/formautofill/test/mochitest/creditCard/test_basic_creditcard_autocomplete_form.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/creditCard/test_clear_form.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/creditCard/test_clear_form_expiry_select_elements.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/creditCard/test_creditcard_autocomplete_off.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/creditCard/test_preview_highlight_with_multiple_cc_number_fields.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/creditCard/test_preview_highlight_with_site_prefill.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/formautofill_common.js
 create mode 100644 browser/extensions/formautofill/test/mochitest/formautofill_parent_utils.js
 create mode 100644 browser/extensions/formautofill/test/mochitest/mochitest.ini
 create mode 100644 browser/extensions/formautofill/test/mochitest/test_address_level_1_submission.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/test_autofill_and_ordinal_forms.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/test_autofocus_form.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/test_basic_autocomplete_form.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/test_form_changes.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/test_formautofill_preview_highlight.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/test_multi_locale_CA_address_form.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/test_multiple_forms.html
 create mode 100644 browser/extensions/formautofill/test/mochitest/test_on_address_submission.html

(limited to 'browser/extensions/formautofill/test/mochitest')

diff --git a/browser/extensions/formautofill/test/mochitest/creditCard/mochitest.ini b/browser/extensions/formautofill/test/mochitest/creditCard/mochitest.ini
new file mode 100644
index 0000000000..d7a7ea2fd8
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/creditCard/mochitest.ini
@@ -0,0 +1,26 @@
+[DEFAULT]
+prefs =
+  extensions.formautofill.creditCards.supported=on
+  extensions.formautofill.creditCards.enabled=true
+  extensions.formautofill.reauth.enabled=true
+support-files =
+  !/toolkit/components/satchel/test/satchel_common.js
+  ../../../../../../toolkit/components/satchel/test/parent_utils.js
+  !/toolkit/components/satchel/test/parent_utils.js
+  !/browser/extensions/formautofill/test/mochitest/formautofill_common.js
+  !/browser/extensions/formautofill/test/mochitest/formautofill_parent_utils.js
+skip-if = xorigin
+  toolkit == 'android' # bug 1730213
+
+[test_basic_creditcard_autocomplete_form.html]
+scheme=https
+[test_clear_form.html]
+scheme=https
+[test_clear_form_expiry_select_elements.html]
+scheme=https
+[test_creditcard_autocomplete_off.html]
+scheme=https
+[test_preview_highlight_with_multiple_cc_number_fields.html]
+scheme=https
+[test_preview_highlight_with_site_prefill.html]
+scheme=https
diff --git a/browser/extensions/formautofill/test/mochitest/creditCard/test_basic_creditcard_autocomplete_form.html b/browser/extensions/formautofill/test/mochitest/creditCard/test_basic_creditcard_autocomplete_form.html
new file mode 100644
index 0000000000..0764bef0eb
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/creditCard/test_basic_creditcard_autocomplete_form.html
@@ -0,0 +1,251 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test basic autofill</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="../formautofill_common.js"></script>
+  <script type="text/javascript" src="../../../../../..//toolkit/components/satchel/test/satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: simple form credit card autofill
+
+<script>
+"use strict";
+
+const MOCK_STORAGE = [{
+  "cc-name": "John Doe",
+  "cc-number": "4929001587121045",
+  "cc-exp-month": 4,
+  "cc-exp-year": 2017,
+}, {
+  "cc-name": "Timothy Berners-Lee",
+  "cc-number": "5103059495477870",
+  "cc-exp-month": 12,
+  "cc-exp-year": 2022,
+}];
+
+const reducedMockRecord = {
+  "cc-name": "John Doe",
+  "cc-number": "4929001587121045",
+};
+
+async function setupCreditCardStorage() {
+  await addCreditCard(MOCK_STORAGE[0]);
+  await addCreditCard(MOCK_STORAGE[1]);
+}
+
+async function setupFormHistory() {
+  await updateFormHistory([
+    {op: "add", fieldname: "cc-name", value: "John Smith"},
+    {op: "add", fieldname: "cc-exp-year", value: 2023},
+  ]);
+}
+
+initPopupListener();
+
+// Form with history only.
+add_task(async function history_only_menu_checking() {
+  // TODO: eliminate the timeout when we're able to indicate the right
+  // timing to start.
+  //
+  // After test process was re-spawning to https scheme. Wait 2 secs
+  // to ensure the environment is ready to do storage setup.
+  await sleep(2000);
+  await setupFormHistory();
+
+  await setInput("#cc-exp-year", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(["2023"], false);
+});
+
+// Display credit card result even if the number of fillable fields is less than the threshold.
+add_task(async function all_saved_fields_less_than_threshold() {
+  await addCreditCard(reducedMockRecord);
+
+  await setInput("#cc-name", "");
+  await expectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  checkMenuEntries([reducedMockRecord].map(patchRecordCCNumber).map(cc => JSON.stringify({
+    primary: cc["cc-name"],
+    secondary: cc.ccNumberFmt.affix + cc.ccNumberFmt.label,
+    ariaLabel: `Visa ${cc["cc-name"]} ${cc.ccNumberFmt.affix}${cc.ccNumberFmt.label}`,
+  })));
+
+  await cleanUpCreditCards();
+});
+
+// Form with both history and credit card storage.
+add_task(async function check_menu_when_both_existed() {
+  await setupCreditCardStorage();
+
+  await setInput("#cc-number", "");
+  await expectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  checkMenuEntries(MOCK_STORAGE.map(patchRecordCCNumber).map(cc => JSON.stringify({
+    primaryAffix: cc.ccNumberFmt.affix,
+    primary: cc.ccNumberFmt.label,
+    secondary: cc["cc-name"],
+    ariaLabel: `${getCCTypeName(cc)} ${cc.ccNumberFmt.affix} ${cc.ccNumberFmt.label} ${cc["cc-name"]}`,
+  })));
+
+  await setInput("#cc-name", "");
+  await expectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  checkMenuEntries(MOCK_STORAGE.map(patchRecordCCNumber).map(cc => JSON.stringify({
+    primary: cc["cc-name"],
+    secondary: cc.ccNumberFmt.affix + cc.ccNumberFmt.label,
+    ariaLabel: `${getCCTypeName(cc)} ${cc["cc-name"]} ${cc.ccNumberFmt.affix}${cc.ccNumberFmt.label}`,
+  })));
+
+  await setInput("#cc-exp-year", "");
+  await expectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  checkMenuEntries(MOCK_STORAGE.map(patchRecordCCNumber).map(cc => JSON.stringify({
+    primary: cc["cc-exp-year"],
+    secondary: cc.ccNumberFmt.affix + cc.ccNumberFmt.label,
+    ariaLabel: `${getCCTypeName(cc)} ${cc["cc-exp-year"]} ${cc.ccNumberFmt.affix}${cc.ccNumberFmt.label}`,
+  })));
+
+  await setInput("#cc-exp-month", "");
+  await expectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  checkMenuEntries(MOCK_STORAGE.map(patchRecordCCNumber).map(cc => JSON.stringify({
+    primary: cc["cc-exp-month"],
+    secondary: cc.ccNumberFmt.affix + cc.ccNumberFmt.label,
+    ariaLabel: `${getCCTypeName(cc)} ${cc["cc-exp-month"]} ${cc.ccNumberFmt.affix}${cc.ccNumberFmt.label}`,
+  })));
+
+  await cleanUpCreditCards();
+});
+
+// Display history search result if no matched data in credit card.
+add_task(async function check_fallback_for_mismatched_field() {
+  await addCreditCard(reducedMockRecord);
+
+  await setInput("#cc-exp-year", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(["2023"], false);
+
+  await cleanUpCreditCards();
+});
+
+// Display history search result if credit card autofill is disabled.
+add_task(async function check_search_result_for_pref_off() {
+  await setupCreditCardStorage();
+
+  await SpecialPowers.pushPrefEnv({
+    set: [["extensions.formautofill.creditCards.enabled", false]],
+  });
+
+  await setInput("#cc-name", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(["John Smith"], false);
+
+  await SpecialPowers.popPrefEnv();
+});
+
+let canTest;
+
+// Autofill the credit card from dropdown menu.
+add_task(async function check_fields_after_form_autofill() {
+  canTest = await canTestOSKeyStoreLogin();
+  if (!canTest) {
+    todo(canTest, "Cannot test OS key store login on official builds.");
+    return;
+  }
+
+  await setInput("#cc-exp-year", 202);
+
+  synthesizeKey("KEY_ArrowDown");
+  // The popup doesn't auto-show on focus because the field isn't empty
+  await expectPopup();
+  checkMenuEntries(MOCK_STORAGE.slice(1).map(patchRecordCCNumber).map(cc => JSON.stringify({
+    primary: cc["cc-exp-year"],
+    secondary: cc.ccNumberFmt.affix + cc.ccNumberFmt.label,
+    ariaLabel: `${getCCTypeName(cc)} ${cc["cc-exp-year"]} ${cc.ccNumberFmt.affix}${cc.ccNumberFmt.label}`,
+  })));
+
+  synthesizeKey("KEY_ArrowDown");
+  let osKeyStoreLoginShown = waitForOSKeyStoreLogin(true);
+  await new Promise(resolve => SimpleTest.executeSoon(resolve));
+  await triggerAutofillAndCheckProfile(MOCK_STORAGE[1]);
+  await osKeyStoreLoginShown;
+});
+
+// Fallback to history search after autofill values (for non-empty fields).
+add_task(async function check_fallback_after_form_autofill() {
+  if (!canTest) {
+    return;
+  }
+
+  await setInput("#cc-name", "J", true);
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(["John Smith"], false);
+});
+
+// Present credit card popup immediately when user blanks a field
+add_task(async function check_cc_popup_on_field_blank() {
+  if (!canTest) {
+    return;
+  }
+
+  await setInput("#cc-name", "", true);
+  await expectPopup();
+  checkMenuEntries(MOCK_STORAGE.map(patchRecordCCNumber).map(cc => JSON.stringify({
+    primary: cc["cc-name"],
+    secondary: cc.ccNumberFmt.affix + cc.ccNumberFmt.label,
+    ariaLabel: `${getCCTypeName(cc)} ${cc["cc-name"]} ${cc.ccNumberFmt.affix}${cc.ccNumberFmt.label}`,
+  })));
+});
+
+// Resume form autofill once all the autofilled fileds are changed.
+add_task(async function check_form_autofill_resume() {
+  if (!canTest) {
+    return;
+  }
+
+  document.querySelector("#cc-name").blur();
+  document.querySelector("#form1").reset();
+
+  await setInput("#cc-name", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(MOCK_STORAGE.map(patchRecordCCNumber).map(cc => JSON.stringify({
+    primary: cc["cc-name"],
+    secondary: cc.ccNumberFmt.affix + cc.ccNumberFmt.label,
+    ariaLabel: `${getCCTypeName(cc)} ${cc["cc-name"]} ${cc.ccNumberFmt.affix}${cc.ccNumberFmt.label}`,
+  })));
+});
+
+</script>
+
+<p id="display"></p>
+
+<div id="content">
+
+  <form id="form1">
+    <p>This is a basic form.</p>
+    <p><label>Name: <input id="cc-name" autocomplete="cc-name"></label></p>
+    <p><label>Card Number: <input id="cc-number" autocomplete="cc-number"></label></p>
+    <p><label>Expiration month: <input id="cc-exp-month" autocomplete="cc-exp-month"></label></p>
+    <p><label>Expiration year: <input id="cc-exp-year" autocomplete="cc-exp-year"></label></p>
+    <p><label>Card Type: <select id="cc-type" autocomplete="cc-type">
+      <option value="discover">Discover</option>
+      <option value="jcb">JCB</option>
+      <option value="visa">Visa</option>
+      <option value="mastercard">MasterCard</option>
+    </select></label></p>
+    <p><label>CSC: <input id="cc-csc" autocomplete="cc-csc"></label></p>
+  </form>
+</div>
+
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/creditCard/test_clear_form.html b/browser/extensions/formautofill/test/mochitest/creditCard/test_clear_form.html
new file mode 100644
index 0000000000..3d8049f053
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/creditCard/test_clear_form.html
@@ -0,0 +1,205 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test form autofill - clear form button</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="../formautofill_common.js"></script>
+  <script type="text/javascript" src="../../../../../../toolkit/components/satchel/test/satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: clear form button
+
+<script>
+"use strict";
+
+const MOCK_ADDR_STORAGE = [{
+  organization: "Sesame Street",
+  "street-address": "2 Harrison St\nline2\nline3",
+  tel: "+13453453456",
+}, {
+  organization: "Mozilla",
+  "street-address": "331 E. Evelyn Avenue",
+}, {
+  organization: "Tel org",
+  tel: "+12223334444",
+}];
+const MOCK_CC_STORAGE = [{
+  "cc-name": "John Doe",
+  "cc-number": "4929001587121045",
+  "cc-exp-month": 4,
+  "cc-exp-year": 2017,
+}, {
+  "cc-name": "Timothy Berners-Lee",
+  "cc-number": "5103059495477870",
+  "cc-exp-month": 12,
+  "cc-exp-year": 2022,
+}];
+
+const MOCK_CC_STORAGE_EXPECTED_FILL = [{
+  "cc-name": "John Doe",
+  "cc-number": "4929001587121045",
+  "cc-exp-month": "04",
+  "cc-exp-year": 2017,
+}, {
+  "cc-name": "Timothy Berners-Lee",
+  "cc-number": "5103059495477870",
+  "cc-exp-month": "12",
+  "cc-exp-year": 2022,
+}];
+
+initPopupListener();
+
+add_task(async function setup_storage() {
+  await addAddress(MOCK_ADDR_STORAGE[0]);
+  await addAddress(MOCK_ADDR_STORAGE[1]);
+  await addAddress(MOCK_ADDR_STORAGE[2]);
+
+  await addCreditCard(MOCK_CC_STORAGE[0]);
+  await addCreditCard(MOCK_CC_STORAGE[1]);
+});
+
+
+async function checkIsFormCleared(patch = {}) {
+  const form = document.getElementById("form1");
+
+  for (const elem of form.elements) {
+    const expectedValue = patch[elem.id] || "";
+    checkFieldValue(elem, expectedValue);
+    await checkFieldHighlighted(elem, false);
+    await checkFieldPreview(elem, "");
+  }
+}
+
+async function confirmClear(selector) {
+  info("Await for clearing input");
+  let promise = new Promise(resolve => {
+    let beforeInputFired = false;
+    let element = document.querySelector(selector);
+    element.addEventListener("beforeinput", (event) => {
+      beforeInputFired = true;
+      ok(event instanceof InputEvent,
+         '"beforeinput" event should be dispatched with InputEvent interface');
+      is(event.cancelable, SpecialPowers.getBoolPref("dom.input_event.allow_to_cancel_set_user_input"),
+         `"beforeinput" event should be cancelable unless it's disabled by the pref`);
+      is(event.bubbles, true,
+         '"beforeinput" event should always bubble');
+      is(event.inputType, "insertReplacementText",
+         'inputType value of "beforeinput" should be "insertReplacementText"');
+      is(event.data, "",
+         'data value of "beforeinput" should be empty string');
+      is(event.dataTransfer, null,
+         'dataTransfer value of "beforeinput" should be null');
+      is(event.getTargetRanges().length, 0,
+         'getTargetRanges() of "beforeinput" event should return empty array');
+    }, {once: true});
+    element.addEventListener("input", (event) => {
+      ok(beforeInputFired, `"beforeinput" event should've been fired before "input" on <${element.tagName} type="${element.type}">`);
+      ok(event instanceof InputEvent,
+         '"input" event should be dispatched with InputEvent interface');
+      is(event.cancelable, false,
+         '"input" event should be never cancelable');
+      is(event.bubbles, true,
+         '"input" event should always bubble');
+      is(event.inputType, "insertReplacementText",
+         'inputType value of "input" should be "insertReplacementText"');
+      is(event.data, "",
+         'data value of "input" should be empty string');
+      is(event.dataTransfer, null,
+         'dataTransfer value of "input" should be null');
+      is(event.getTargetRanges().length, 0,
+         'getTargetRanges() of "input" should return empty array');
+      resolve();
+    }, {once: true})
+  });
+  synthesizeKey("KEY_Enter");
+  await promise;
+}
+
+add_task(async function simple_clear() {
+  await triggerPopupAndHoverItem("#organization", 0);
+  await triggerAutofillAndCheckProfile(MOCK_ADDR_STORAGE[0]);
+
+  await triggerPopupAndHoverItem("#tel", 0);
+  await confirmClear("#tel");
+  await checkIsFormCleared();
+});
+
+add_task(async function clear_adapted_record() {
+  await triggerPopupAndHoverItem("#street-address", 0);
+  await triggerAutofillAndCheckProfile(MOCK_ADDR_STORAGE[0]);
+
+  await triggerPopupAndHoverItem("#street-address", 0);
+  await confirmClear("#street-address");
+  await checkIsFormCleared();
+});
+
+add_task(async function clear_modified_form() {
+  await triggerPopupAndHoverItem("#organization", 0);
+  await triggerAutofillAndCheckProfile(MOCK_ADDR_STORAGE[0]);
+
+  await setInput("#tel", "+1111111111", true);
+
+  await triggerPopupAndHoverItem("#street-address", 0);
+  await confirmClear("#street-address");
+  await checkIsFormCleared({tel: "+1111111111"});
+});
+
+add_task(async function clear_distinct_section() {
+  if (!(await canTestOSKeyStoreLogin())) {
+    todo(false, "Cannot test OS key store login on official builds.");
+    return;
+  }
+
+  document.getElementById("form1").reset();
+  await triggerPopupAndHoverItem("#cc-name", 0);
+  let osKeyStoreLoginShown = waitForOSKeyStoreLogin(true);
+  await triggerAutofillAndCheckProfile(MOCK_CC_STORAGE_EXPECTED_FILL[0]);
+  await osKeyStoreLoginShown;
+
+  await triggerPopupAndHoverItem("#organization", 0);
+  await triggerAutofillAndCheckProfile(MOCK_ADDR_STORAGE[0]);
+  await triggerPopupAndHoverItem("#street-address", 0);
+  await confirmClear("#street-address");
+
+  for (const [id, val] of Object.entries(MOCK_CC_STORAGE_EXPECTED_FILL[0])) {
+    const element = document.getElementById(id);
+    if (!element) {
+      return;
+    }
+    checkFieldValue(element, val);
+    await checkFieldHighlighted(element, true);
+  }
+
+  await triggerPopupAndHoverItem("#cc-name", 0);
+  await confirmClear("#cc-name");
+  await checkIsFormCleared();
+});
+
+</script>
+
+<p id="display"></p>
+
+<div id="content">
+
+  <form id="form1">
+    <p>This is a basic form.</p>
+    <p><label>organization: <input id="organization" autocomplete="organization"></label></p>
+    <p><label>streetAddress: <input id="street-address" autocomplete="street-address"></label></p>
+    <p><label>tel: <input id="tel" autocomplete="tel"></label></p>
+    <p><label>country: <input id="country" autocomplete="country"></label></p>
+
+    <p><label>Name: <input id="cc-name" autocomplete="cc-name"></label></p>
+    <p><label>Card Number: <input id="cc-number" autocomplete="cc-number"></label></p>
+    <p><label>Expiration month: <input id="cc-exp-month" autocomplete="cc-exp-month"></label></p>
+    <p><label>Expiration year: <input id="cc-exp-year" autocomplete="cc-exp-year"></label></p>
+    <p><label>CSC: <input id="cc-csc" autocomplete="cc-csc"></label></p>
+  </form>
+
+</div>
+
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/creditCard/test_clear_form_expiry_select_elements.html b/browser/extensions/formautofill/test/mochitest/creditCard/test_clear_form_expiry_select_elements.html
new file mode 100644
index 0000000000..4fc989a36e
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/creditCard/test_clear_form_expiry_select_elements.html
@@ -0,0 +1,211 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test form autofill - clear form button with select elements</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="../formautofill_common.js"></script>
+  <script type="text/javascript" src="../../../../../../toolkit/components/satchel/test/satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: clear form button with select elements.
+
+<script>
+"use strict";
+const MOCK_ADDR_STORAGE = [{
+  organization: "Sesame Street",
+  "street-address": "2 Harrison St\nline2\nline3",
+  tel: "+13453453456",
+}, {
+  organization: "Mozilla",
+  "street-address": "331 E. Evelyn Avenue",
+}, {
+  organization: "Tel org",
+  tel: "+12223334444",
+}];
+
+const MOCK_CC_STORAGE = [{
+  "cc-name": "John Doe",
+  "cc-number": "4929001587121045",
+  "cc-exp-month": 4,
+  "cc-exp-year": 2017,
+}, {
+  "cc-name": "Timothy Berners-Lee",
+  "cc-number": "5103059495477870",
+  "cc-exp-month": 12,
+  "cc-exp-year": 2022,
+}];
+
+initPopupListener();
+
+add_task(async function setup_storage() {
+  await addAddress(MOCK_ADDR_STORAGE[0]);
+  await addCreditCard(MOCK_CC_STORAGE[0]);
+  await addCreditCard(MOCK_CC_STORAGE[1]);
+});
+
+
+async function checkIsFormCleared(patch = {}) {
+  const form = document.getElementById("form1");
+
+  for (const elem of form.elements) {
+    const expectedValue = patch[elem.id] || "";
+    checkFieldValue(elem, expectedValue);
+    await checkFieldHighlighted(elem, false);
+    await checkFieldPreview(elem, "");
+  }
+}
+
+async function confirmClear(selector) {
+  info("Await for clearing input");
+  let promise = new Promise(resolve => {
+    let beforeInputFired = false;
+    let element = document.querySelector(selector);
+    info(`Which element are we clearing? ${element.id}`);
+    element.addEventListener("beforeinput", (event) => {
+      beforeInputFired = true;
+      ok(event instanceof InputEvent,
+         '"beforeinput" event should be dispatched with InputEvent interface');
+      is(event.cancelable, SpecialPowers.getBoolPref("dom.input_event.allow_to_cancel_set_user_input"),
+         `"beforeinput" event should be cancelable unless it's disabled by the pref`);
+      is(event.bubbles, true,
+         '"beforeinput" event should always bubble');
+      is(event.inputType, "insertReplacementText",
+         'inputType value of "beforeinput" should be "insertReplacementText"');
+      is(event.data, "",
+         'data value of "beforeinput" should be empty string');
+      is(event.dataTransfer, null,
+         'dataTransfer value of "beforeinput" should be null');
+      is(event.getTargetRanges().length, 0,
+         'getTargetRanges() of "beforeinput" event should return empty array');
+    }, {once: true});
+    element.addEventListener("input", (event) => {
+      ok(beforeInputFired, `"beforeinput" event should've been fired before "input" on <${element.tagName} type="${element.type}">`);
+      ok(event instanceof InputEvent,
+         '"input" event should be dispatched with InputEvent interface');
+      is(event.cancelable, false,
+         '"input" event should be never cancelable');
+      is(event.bubbles, true,
+         '"input" event should always bubble');
+      is(event.inputType, "insertReplacementText",
+         'inputType value of "input" should be "insertReplacementText"');
+      is(event.data, "",
+         'data value of "input" should be empty string');
+      is(event.dataTransfer, null,
+         'dataTransfer value of "input" should be null');
+      is(event.getTargetRanges().length, 0,
+         'getTargetRanges() of "input" should return empty array');
+      resolve();
+    }, {once: true})
+  });
+  synthesizeKey("KEY_Enter");
+  await promise;
+}
+
+// tgiles: We need this task due to timing issues between focusAndWaitForFieldsIdentified and popupShownListener.
+// There's a 300ms delay in focusAndWaitForFieldsIdentified that can cause triggerPopupAndHoverItem to get out of sync
+// and cause the popup to appear before the test expects a popup to appear.
+
+// Without this task we end up either getting a consistent timeout or getting the following exception:
+// 0:20.55 GECKO(31108) JavaScript error: , line 0: uncaught exception: Checking selected index - timed out after 50 tries.
+// This exception appears if you attempt to create the expectPopup promise earlier than it currently is in triggetPopupAndHoverItem
+add_task(async function a_dummy_task() {
+  await triggerPopupAndHoverItem("#organization", 0);
+  await triggerAutofillAndCheckProfile(MOCK_ADDR_STORAGE[0]);
+
+  await triggerPopupAndHoverItem("#tel", 0);
+  await confirmClear("#tel");
+  await checkIsFormCleared({
+    "cc-exp-month": "MM",
+    "cc-exp-year": "YY"
+  });
+});
+
+add_task(async function clear_distinct_section() {
+  if (!(await canTestOSKeyStoreLogin())) {
+    todo(false, "Cannot test OS key store login on official builds.");
+    return;
+  }
+  let osKeyStoreLoginShown = waitForOSKeyStoreLogin(true);
+  await triggerPopupAndHoverItem("#cc-name", 0);
+  await triggerAutofillAndCheckProfile(MOCK_CC_STORAGE[0]);
+  await osKeyStoreLoginShown;
+
+  for (const [id, val] of Object.entries(MOCK_CC_STORAGE[0])) {
+    const element = document.getElementById(id);
+    if (!element) {
+      return;
+    }
+    checkFieldValue(element, val);
+    await checkFieldHighlighted(element, true);
+  }
+
+  await triggerPopupAndHoverItem("#cc-name", 0);
+  await confirmClear("#cc-name");
+  await checkIsFormCleared({
+    "cc-exp-month": "MM",
+    "cc-exp-year": "YY"
+  });
+});
+
+</script>
+
+<p id="display"></p>
+
+<div id="content">
+
+  <form id="form1">
+    <p>This is a basic form.</p>
+    <p><label>organization: <input id="organization" autocomplete="organization"></label></p>
+    <p><label>streetAddress: <input id="street-address" autocomplete="street-address"></label></p>
+    <p><label>tel: <input id="tel" autocomplete="tel"></label></p>
+    <p><label>country: <input id="country" autocomplete="country"></label></p>
+
+    <p><label>Name: <input id="cc-name" autocomplete="cc-name"></label></p>
+    <p><label>Card Number: <input id="cc-number" autocomplete="cc-number"></label></p>
+    <!-- NOTE: If you're going to write a test like this,
+      ensure that the selected option doesn't match the data that you're trying to autofill,
+      otherwise your test will wait forever for an event that will never fire.
+      I.e, if your saved cc-exp-month is 01, make sure your selected option ISN'T 01.
+    -->
+    <p><label>Expiration month: <select id="cc-exp-month" autocomplete="cc-exp-month">
+      <option value="MM" selected>MM</option>
+      <option value="1">01</option>
+      <option value="2">02</option>
+      <option value="3">03</option>
+      <option value="4">04</option>
+      <option value="5">05</option>
+      <option value="6">06</option>
+      <option value="7">07</option>
+      <option value="8">08</option>
+      <option value="9">09</option>
+      <option value="10">10</option>
+      <option value="11">11</option>
+      <option value="12">12</option>
+      </select>
+    </label></p>
+    <!-- NOTE: If you're going to write a test like this,
+      ensure that the selected option doesn't match the data that you're trying to autofill,
+      otherwise your test will wait forever for an event that will never fire.
+      I.e, if your saved cc-exp-year is 2017, make sure your selected option ISN'T 2017.
+    -->
+    <p><label>Expiration year: <select id="cc-exp-year" autocomplete="cc-exp-year">
+      <option value="YY" selected>YY</option>
+      <option value="2017">2017</option>
+      <option value="2018">2018</option>
+      <option value="2019">2019</option>
+      <option value="2020">2020</option>
+      <option value="2021">2021</option>
+      <option value="2022">2022</option>
+      </select>
+    </label></p>
+    <p><label>CSC: <input id="cc-csc" autocomplete="cc-csc"></label></p>
+  </form>
+
+</div>
+
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/creditCard/test_creditcard_autocomplete_off.html b/browser/extensions/formautofill/test/mochitest/creditCard/test_creditcard_autocomplete_off.html
new file mode 100644
index 0000000000..225d828ccb
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/creditCard/test_creditcard_autocomplete_off.html
@@ -0,0 +1,96 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test basic autofill</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="../formautofill_common.js"></script>
+  <script type="text/javascript" src="../../../../../../toolkit/components/satchel/test/satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: simple form credit card autofill
+
+<script>
+"use strict";
+
+const MOCK_STORAGE = [{
+  "cc-name": "John Doe",
+  "cc-number": "4929001587121045",
+  "cc-exp-month": 4,
+  "cc-exp-year": 2017,
+}, {
+  "cc-name": "Timothy Berners-Lee",
+  "cc-number": "5103059495477870",
+  "cc-exp-month": 12,
+  "cc-exp-year": 2022,
+}];
+
+async function setupCreditCardStorage() {
+  await addCreditCard(MOCK_STORAGE[0]);
+  await addCreditCard(MOCK_STORAGE[1]);
+}
+
+async function setupFormHistory() {
+  await updateFormHistory([
+    {op: "add", fieldname: "cc-name", value: "John Smith"},
+    {op: "add", fieldname: "cc-number", value: "6011029476355493"},
+  ]);
+}
+
+initPopupListener();
+
+// Show Form History popup for non-autocomplete="off" field only
+add_task(async function history_only_menu_checking() {
+  await setupFormHistory();
+
+  await setInput("#cc-number", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(["6011029476355493"], false);
+
+  await setInput("#cc-name", "");
+  synthesizeKey("KEY_ArrowDown");
+  await notExpectPopup();
+});
+
+// Show Form Autofill popup for the credit card fields.
+add_task(async function check_menu_when_both_with_autocomplete_off() {
+  await setupCreditCardStorage();
+
+  await setInput("#cc-number", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(MOCK_STORAGE.map(patchRecordCCNumber).map(cc => JSON.stringify({
+    primaryAffix: cc.ccNumberFmt.affix,
+    primary: cc.ccNumberFmt.label,
+    secondary: cc["cc-name"],
+    ariaLabel: `${getCCTypeName(cc)} ${cc.ccNumberFmt.affix} ${cc.ccNumberFmt.label} ${cc["cc-name"]}`,
+  })));
+
+  await setInput("#cc-name", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(MOCK_STORAGE.map(patchRecordCCNumber).map(cc => JSON.stringify({
+    primary: cc["cc-name"],
+    secondary: cc.ccNumberFmt.affix + cc.ccNumberFmt.label,
+    ariaLabel: `${getCCTypeName(cc)} ${cc["cc-name"]} ${cc.ccNumberFmt.affix}${cc.ccNumberFmt.label}`,
+  })));
+});
+
+</script>
+
+<p id="display"></p>
+
+<div id="content">
+  <form id="form1">
+    <p>This is a Credit Card form with autocomplete="off" cc-name field.</p>
+    <p><label>Name: <input id="cc-name" autocomplete="off"></label></p>
+    <p><label>Card Number: <input id="cc-number" autocomplete="cc-number"></label></p>
+  </form>
+</div>
+
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/creditCard/test_preview_highlight_with_multiple_cc_number_fields.html b/browser/extensions/formautofill/test/mochitest/creditCard/test_preview_highlight_with_multiple_cc_number_fields.html
new file mode 100644
index 0000000000..c39877d1b7
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/creditCard/test_preview_highlight_with_multiple_cc_number_fields.html
@@ -0,0 +1,174 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test form autofill - preview and highlight with multiple cc number fields</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="../formautofill_common.js"></script>
+  <script type="text/javascript" src="../../../../../../toolkit/components/satchel/test/satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: preview and highlight multiple cc number fields
+
+<script>
+"use strict";
+
+const MOCK_STORAGE = [{
+  "cc-name": "Test Name",
+  "cc-number": "4929001587121045",
+  "cc-exp-month": 4,
+  "cc-exp-year": 2017,
+}, {
+  "cc-name": "Timothy Berners-Lee",
+  "cc-number": "5103059495477870",
+  "cc-exp-month": 12,
+  "cc-exp-year": 2022,
+}];
+
+const MOCK_STORAGE_EXPECTED_FILL = [{
+  "cc-name": "Test Name",
+  "cc-number": "4929001587121045",
+  "cc-exp-month": "04",
+  "cc-exp-year": 2017,
+}, {
+  "cc-name": "Timothy Berners-Lee",
+  "cc-number": "5103059495477870",
+  "cc-exp-month": "12",
+  "cc-exp-year": 2022,
+}]
+
+const MOCK_STORAGE_PREVIEW = [{
+  "cc-name": "Test Name",
+  "cc-number": "************1045",
+  "cc-exp-month": "04",
+  "cc-exp-year": "2017",
+}, {
+  "cc-name": "Timothy Berners-Lee",
+  "cc-number": "************7870",
+  "cc-exp-month": "12",
+  "cc-exp-year": "2022",
+}];
+
+
+/*
+  This function is similar to checkFormFieldsStyle in formautofill_common.js, but deals with the case
+  when one value is spread across multiple fields.
+
+  This function is needed because of the multiple cc-number filling behavior introduced in Bug 1688607.
+  Since the cc-number is stored as a whole value in the profile,
+  there has to be specific handling in the test to assert the correct fillable value.
+  Otherwise, we would try to grab a value out of profile["cc-number1"] which doesn't exist.
+*/
+async function checkMultipleCCNumberFormStyle(profile, isPreviewing = true) {
+  const elements = document.querySelectorAll("input, select");
+  for (const element of elements) {
+    let fillableValue;
+    if (element.id.includes("cc-number") && isPreviewing) {
+      fillableValue = profile["cc-number"].slice(-8);
+    } else if (element.id.includes("cc-number")) {
+      fillableValue = profile["cc-number"];
+    } else {
+      fillableValue = profile[element.id];
+    }
+    let previewValue = (isPreviewing && fillableValue) || "";
+    await checkFieldHighlighted(element, !!fillableValue);
+    await checkFieldPreview(element, previewValue);
+
+  }
+}
+
+/*
+  This function sets up 'change' event listeners so that we can safely
+  assert an element's value after autofilling has occurred.
+  This is essentially a barebones copy of triggerAutofillAndCheckProfile
+  that exists in formautofill_common.js.
+
+  We can't use triggerAutofillAndCheckProfile because "cc-number1" through "cc-number4"
+  do not exist in the profile.
+  Again, we store the whole cc-number in the profile, not its subsections.
+  So if we tried to grab the element by ID using "cc-number", this element would not exist in the doc,
+  causing triggerAutofillAndCheckProfile to throw an exception.
+*/
+async function setupListeners(elements, profile) {
+  for (const element of elements) {
+    let id = element.id;
+    element.addEventListener("change", () => {
+      let filledValue;
+      if (id == "cc-number1") {
+      filledValue = profile["cc-number"].slice(0, 4);
+    } else if (id == "cc-number2") {
+      filledValue = profile["cc-number"].slice(4, 8);
+    } else if (id == "cc-number3") {
+      filledValue = profile["cc-number"].slice(8, 12);
+    } else if (id == "cc-number4") {
+      filledValue = profile["cc-number"].slice(12, 16);
+    } else {
+      filledValue = profile[element.id];
+    }
+    checkFieldValue(element, filledValue);
+    }, {once: true})
+  }
+
+}
+
+initPopupListener();
+
+add_task(async function setup_storage() {
+  await addCreditCard(MOCK_STORAGE[0]);
+  await addCreditCard(MOCK_STORAGE[1]);
+});
+
+add_task(async function check_preview() {
+  let canTest = await canTestOSKeyStoreLogin();
+  if (!canTest) {
+    todo(canTest, "Cannot test OS key store login on official builds.");
+    return;
+  }
+  let popup = expectPopup();
+  const focusedInput = await setInput("#cc-name", "");
+  await popup;
+  for (let i = 0; i < MOCK_STORAGE_PREVIEW.length; i++) {
+    synthesizeKey("KEY_ArrowDown");
+    await notifySelectedIndex(i);
+    await checkMultipleCCNumberFormStyle(MOCK_STORAGE_PREVIEW[i]);
+  }
+
+  focusedInput.blur();
+});
+
+add_task(async function check_filled_highlight() {
+  let canTest = await canTestOSKeyStoreLogin();
+  if (!canTest) {
+    todo(canTest, "Cannot test OS key store login on official builds.");
+    return;
+  }
+  await triggerPopupAndHoverItem("#cc-name", 0);
+  let osKeyStoreLoginShown = waitForOSKeyStoreLogin(true);
+  // filled 1st credit card option
+  synthesizeKey("KEY_Enter");
+  await osKeyStoreLoginShown;
+  let elements = document.querySelectorAll("input, select");
+  let profile = MOCK_STORAGE_EXPECTED_FILL[0];
+  await setupListeners(elements, profile);
+  await checkMultipleCCNumberFormStyle(profile, false);
+});
+</script>
+<p id="display"></p>
+<div id="content">
+
+  <form id="form1">
+    <p>This is a basic credit card form.</p>
+    <p>card number subsection 1: <input id="cc-number1" maxlength="4"></p>
+    <p>card number subsection 2: <input id="cc-number2" maxlength="4"></p>
+    <p>card number subsection 3: <input id="cc-number3" maxlength="4"></p>
+    <p>card number subsection 4: <input id="cc-number4" maxlength="4"></p>
+    <p>cardholder name: <input id="cc-name" autocomplete="cc-name"></p>
+    <p>expiration month: <input id="cc-exp-month" autocomplete="cc-exp-month"></p>
+    <p>expiration year: <input id="cc-exp-year" autocomplete="cc-exp-year"></p>
+  </form>
+</div>
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/creditCard/test_preview_highlight_with_site_prefill.html b/browser/extensions/formautofill/test/mochitest/creditCard/test_preview_highlight_with_site_prefill.html
new file mode 100644
index 0000000000..090eb9290e
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/creditCard/test_preview_highlight_with_site_prefill.html
@@ -0,0 +1,110 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test form autofill - preview and highlight with site prefill</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="../formautofill_common.js"></script>
+  <script type="text/javascript" src="../../../../../../toolkit/components/satchel/test/satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: preview and highlight field that has been filled by site
+
+<script>
+"use strict";
+
+const MOCK_STORAGE = [{
+  "cc-name": "Test Name",
+  "cc-number": "4929001587121045",
+  "cc-exp-month": 4,
+  "cc-exp-year": 2017,
+}, {
+  "cc-name": "Timothy Berners-Lee",
+  "cc-number": "5103059495477870",
+  "cc-exp-month": 12,
+  "cc-exp-year": 2022,
+}];
+
+const MOCK_STORAGE_PREVIEW = [{
+  "cc-name": "Test Name",
+  "cc-number": "************1045",
+  "cc-exp-month": "04",
+  "cc-exp-year": "2017",
+}, {
+  "cc-name": "Timothy Berners-Lee",
+  "cc-number": "************7870",
+  "cc-exp-month": "12",
+  "cc-exp-year": "2022",
+}];
+
+const MOCK_STORAGE_EXPECTED_FILL = [{
+  "cc-name": "Test Name",
+  "cc-number": "4929001587121045",
+  "cc-exp-month": "04",
+  "cc-exp-year": 2017,
+}, {
+  "cc-name": "Timothy Berners-Lee",
+  "cc-number": "5103059495477870",
+  "cc-exp-month": "12",
+  "cc-exp-year": 2022,
+}];
+
+initPopupListener();
+
+add_task(async function setup_storage() {
+  await addCreditCard(MOCK_STORAGE[0]);
+  await addCreditCard(MOCK_STORAGE[1]);
+});
+
+add_task(async function check_preview() {
+  let canTest = await canTestOSKeyStoreLogin();
+  if (!canTest) {
+    todo(canTest, "Cannot test OS key store login on official builds.");
+    return;
+  }
+
+  let cardholderName = document.querySelector("#cc-name");
+  let sitePrefillValue = cardholderName.value;
+  let popup = expectPopup();
+  const focusedInput = await setInput("#cc-number", "");
+  await popup;
+  for (let i = 0; i < MOCK_STORAGE_PREVIEW.length; i++) {
+    synthesizeKey("KEY_ArrowDown");
+    await notifySelectedIndex(i);
+    await checkFormFieldsStyle(MOCK_STORAGE_PREVIEW[i]);
+  }
+
+  focusedInput.blur();
+  is(cardholderName.value, sitePrefillValue, "value should not have changed because previous value was a site prefill");
+});
+
+add_task(async function check_filled_highlight() {
+  let canTest = await canTestOSKeyStoreLogin();
+  if (!canTest) {
+    todo(canTest, "Cannot test OS key store login on official builds.");
+    return;
+  }
+  await triggerPopupAndHoverItem("#cc-number", 0);
+  let osKeyStoreLoginShown = waitForOSKeyStoreLogin(true);
+  // filled 1st credit card option
+  await triggerAutofillAndCheckProfile(MOCK_STORAGE_EXPECTED_FILL[0]);
+  await osKeyStoreLoginShown;
+  await checkFormFieldsStyle(MOCK_STORAGE_EXPECTED_FILL[0], false);
+});
+</script>
+<p id="display"></p>
+<div id="content">
+
+  <form id="form1">
+    <p>This is a basic credit card form.</p>
+    <p>card number: <input id="cc-number" autocomplete="cc-number"></p>
+    <p>cardholder name: <input id="cc-name" autocomplete="cc-name" value="JOHN DOE"></p>
+    <p>expiration month: <input id="cc-exp-month" autocomplete="cc-exp-month"></p>
+    <p>expiration year: <input id="cc-exp-year" autocomplete="cc-exp-year"></p>
+  </form>
+</div>
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/formautofill_common.js b/browser/extensions/formautofill/test/mochitest/formautofill_common.js
new file mode 100644
index 0000000000..d65f0beb49
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/formautofill_common.js
@@ -0,0 +1,478 @@
+/* import-globals-from ../../../../../testing/mochitest/tests/SimpleTest/SimpleTest.js */
+/* import-globals-from ../../../../../testing/mochitest/tests/SimpleTest/EventUtils.js */
+/* import-globals-from ../../../../../toolkit/components/satchel/test/satchel_common.js */
+/* eslint-disable no-unused-vars */
+
+"use strict";
+
+let formFillChromeScript;
+let defaultTextColor;
+let defaultDisabledTextColor;
+let expectingPopup = null;
+
+const { FormAutofillUtils } = SpecialPowers.ChromeUtils.importESModule(
+  "resource://gre/modules/shared/FormAutofillUtils.sys.mjs"
+);
+
+async function sleep(ms = 500, reason = "Intentionally wait for UI ready") {
+  SimpleTest.requestFlakyTimeout(reason);
+  await new Promise(resolve => setTimeout(resolve, ms));
+}
+
+async function focusAndWaitForFieldsIdentified(
+  input,
+  mustBeIdentified = false
+) {
+  info("expecting the target input being focused and indentified");
+  if (typeof input === "string") {
+    input = document.querySelector(input);
+  }
+  const rootElement = input.form || input.ownerDocument.documentElement;
+  const previouslyFocused = input != document.activeElement;
+
+  input.focus();
+
+  if (mustBeIdentified) {
+    rootElement.removeAttribute("test-formautofill-identified");
+  }
+  if (rootElement.hasAttribute("test-formautofill-identified")) {
+    return;
+  }
+  if (!previouslyFocused) {
+    await new Promise(resolve => {
+      formFillChromeScript.addMessageListener(
+        "FormAutofillTest:FieldsIdentified",
+        function onIdentified() {
+          formFillChromeScript.removeMessageListener(
+            "FormAutofillTest:FieldsIdentified",
+            onIdentified
+          );
+          resolve();
+        }
+      );
+    });
+  }
+  // In order to ensure that "markAsAutofillField" is fully executed, a short period
+  // of timeout is still required.
+  await sleep(300, "Guarantee asynchronous identifyAutofillFields is invoked");
+  rootElement.setAttribute("test-formautofill-identified", "true");
+}
+
+async function setInput(selector, value, userInput = false) {
+  const input = document.querySelector("input" + selector);
+  if (userInput) {
+    SpecialPowers.wrap(input).setUserInput(value);
+  } else {
+    input.value = value;
+  }
+  await focusAndWaitForFieldsIdentified(input);
+
+  return input;
+}
+
+function clickOnElement(selector) {
+  let element = document.querySelector(selector);
+
+  if (!element) {
+    throw new Error("Can not find the element");
+  }
+
+  SimpleTest.executeSoon(() => element.click());
+}
+
+// The equivalent helper function to getAdaptedProfiles in FormAutofillHandler.jsm that
+// transforms the given profile to expected filled profile.
+function _getAdaptedProfile(profile) {
+  const adaptedProfile = Object.assign({}, profile);
+
+  if (profile["street-address"]) {
+    adaptedProfile["street-address"] = FormAutofillUtils.toOneLineAddress(
+      profile["street-address"]
+    );
+  }
+
+  return adaptedProfile;
+}
+
+async function checkFieldHighlighted(elem, expectedValue) {
+  let isHighlightApplied;
+  await SimpleTest.promiseWaitForCondition(function checkHighlight() {
+    isHighlightApplied = elem.matches(":autofill");
+    return isHighlightApplied === expectedValue;
+  }, `Checking #${elem.id} highlight style`);
+
+  is(isHighlightApplied, expectedValue, `Checking #${elem.id} highlight style`);
+}
+
+async function checkFieldPreview(elem, expectedValue) {
+  is(
+    SpecialPowers.wrap(elem).previewValue,
+    expectedValue,
+    `Checking #${elem.id} previewValue`
+  );
+  let isTextColorApplied;
+  await SimpleTest.promiseWaitForCondition(function checkPreview() {
+    const computedStyle = window.getComputedStyle(elem);
+    const actualColor = computedStyle.getPropertyValue("color");
+    if (elem.disabled) {
+      isTextColorApplied = actualColor !== defaultDisabledTextColor;
+    } else {
+      isTextColorApplied = actualColor !== defaultTextColor;
+    }
+    return isTextColorApplied === !!expectedValue;
+  }, `Checking #${elem.id} preview style`);
+
+  is(isTextColorApplied, !!expectedValue, `Checking #${elem.id} preview style`);
+}
+
+async function checkFormFieldsStyle(profile, isPreviewing = true) {
+  const elems = document.querySelectorAll("input, select");
+
+  for (const elem of elems) {
+    let fillableValue;
+    let previewValue;
+    let isElementEligible =
+      FormAutofillUtils.isCreditCardOrAddressFieldType(elem) &&
+      FormAutofillUtils.isFieldAutofillable(elem);
+    if (!isElementEligible) {
+      fillableValue = "";
+      previewValue = "";
+    } else {
+      fillableValue = profile && profile[elem.id];
+      previewValue = (isPreviewing && fillableValue) || "";
+    }
+    await checkFieldHighlighted(elem, !!fillableValue);
+    await checkFieldPreview(elem, previewValue);
+  }
+}
+
+function checkFieldValue(elem, expectedValue) {
+  if (typeof elem === "string") {
+    elem = document.querySelector(elem);
+  }
+  is(elem.value, String(expectedValue), "Checking " + elem.id + " field");
+}
+
+async function triggerAutofillAndCheckProfile(profile) {
+  let adaptedProfile = _getAdaptedProfile(profile);
+  const promises = [];
+  for (const [fieldName, value] of Object.entries(adaptedProfile)) {
+    info(`triggerAutofillAndCheckProfile: ${fieldName}`);
+    const element = document.getElementById(fieldName);
+    const expectingEvent =
+      document.activeElement == element ? "input" : "change";
+    const checkFieldAutofilled = Promise.all([
+      new Promise(resolve => {
+        let beforeInputFired = false;
+        let hadEditor = SpecialPowers.wrap(element).hasEditor;
+        element.addEventListener(
+          "beforeinput",
+          event => {
+            beforeInputFired = true;
+            is(
+              event.inputType,
+              "insertReplacementText",
+              'inputType value should be "insertReplacementText"'
+            );
+            is(
+              event.data,
+              String(value),
+              `data value of "beforeinput" should be "${value}"`
+            );
+            is(
+              event.dataTransfer,
+              null,
+              'dataTransfer of "beforeinput" should be null'
+            );
+            is(
+              event.getTargetRanges().length,
+              0,
+              'getTargetRanges() of "beforeinput" should return empty array'
+            );
+            is(
+              event.cancelable,
+              SpecialPowers.getBoolPref(
+                "dom.input_event.allow_to_cancel_set_user_input"
+              ),
+              `"beforeinput" event should be cancelable on ${element.tagName} unless it's suppressed by the pref`
+            );
+            is(
+              event.bubbles,
+              true,
+              `"beforeinput" event should always bubble on ${element.tagName}`
+            );
+            resolve();
+          },
+          { once: true }
+        );
+        element.addEventListener(
+          "input",
+          event => {
+            if (element.tagName == "INPUT" && element.type == "text") {
+              if (hadEditor) {
+                ok(
+                  beforeInputFired,
+                  `"beforeinput" event should've been fired before "input" event on ${element.tagName}`
+                );
+              } else {
+                ok(
+                  beforeInputFired,
+                  `"beforeinput" event should've been fired before "input" event on ${element.tagName}`
+                );
+              }
+              ok(
+                event instanceof InputEvent,
+                `"input" event should be dispatched with InputEvent interface on ${element.tagName}`
+              );
+              is(
+                event.inputType,
+                "insertReplacementText",
+                'inputType value should be "insertReplacementText"'
+              );
+              is(event.data, String(value), `data value should be "${value}"`);
+              is(event.dataTransfer, null, "dataTransfer should be null");
+              is(
+                event.getTargetRanges().length,
+                0,
+                "getTargetRanges() should return empty array"
+              );
+            } else {
+              ok(
+                !beforeInputFired,
+                `"beforeinput" event shouldn't be fired on ${element.tagName}`
+              );
+              ok(
+                event instanceof Event && !(event instanceof UIEvent),
+                `"input" event should be dispatched with Event interface on ${element.tagName}`
+              );
+            }
+            is(
+              event.cancelable,
+              false,
+              `"input" event should be never cancelable on ${element.tagName}`
+            );
+            is(
+              event.bubbles,
+              true,
+              `"input" event should always bubble on ${element.tagName}`
+            );
+            resolve();
+          },
+          { once: true }
+        );
+      }),
+      new Promise(resolve =>
+        element.addEventListener(expectingEvent, resolve, { once: true })
+      ),
+    ]).then(() => checkFieldValue(element, value));
+
+    promises.push(checkFieldAutofilled);
+  }
+  // Press Enter key and trigger form autofill.
+  synthesizeKey("KEY_Enter");
+
+  return Promise.all(promises);
+}
+
+async function onStorageChanged(type) {
+  info(`expecting the storage changed: ${type}`);
+  return new Promise(resolve => {
+    formFillChromeScript.addMessageListener(
+      "formautofill-storage-changed",
+      function onChanged(data) {
+        formFillChromeScript.removeMessageListener(
+          "formautofill-storage-changed",
+          onChanged
+        );
+        is(data.data, type, `Receive ${type} storage changed event`);
+        resolve();
+      }
+    );
+  });
+}
+
+function checkMenuEntries(expectedValues, isFormAutofillResult = true) {
+  let actualValues = getMenuEntries();
+  // Expect one more item would appear at the bottom as the footer if the result is from form autofill.
+  let expectedLength = isFormAutofillResult
+    ? expectedValues.length + 1
+    : expectedValues.length;
+
+  is(actualValues.length, expectedLength, " Checking length of expected menu");
+  for (let i = 0; i < expectedValues.length; i++) {
+    is(actualValues[i], expectedValues[i], " Checking menu entry #" + i);
+  }
+}
+
+function invokeAsyncChromeTask(message, payload = {}) {
+  info(`expecting the chrome task finished: ${message}`);
+  return formFillChromeScript.sendQuery(message, payload);
+}
+
+async function addAddress(address) {
+  await invokeAsyncChromeTask("FormAutofillTest:AddAddress", { address });
+  await sleep();
+}
+
+async function removeAddress(guid) {
+  return invokeAsyncChromeTask("FormAutofillTest:RemoveAddress", { guid });
+}
+
+async function updateAddress(guid, address) {
+  return invokeAsyncChromeTask("FormAutofillTest:UpdateAddress", {
+    address,
+    guid,
+  });
+}
+
+async function checkAddresses(expectedAddresses) {
+  return invokeAsyncChromeTask("FormAutofillTest:CheckAddresses", {
+    expectedAddresses,
+  });
+}
+
+async function cleanUpAddresses() {
+  return invokeAsyncChromeTask("FormAutofillTest:CleanUpAddresses");
+}
+
+async function addCreditCard(creditcard) {
+  await invokeAsyncChromeTask("FormAutofillTest:AddCreditCard", { creditcard });
+  await sleep();
+}
+
+async function removeCreditCard(guid) {
+  return invokeAsyncChromeTask("FormAutofillTest:RemoveCreditCard", { guid });
+}
+
+async function checkCreditCards(expectedCreditCards) {
+  return invokeAsyncChromeTask("FormAutofillTest:CheckCreditCards", {
+    expectedCreditCards,
+  });
+}
+
+async function cleanUpCreditCards() {
+  return invokeAsyncChromeTask("FormAutofillTest:CleanUpCreditCards");
+}
+
+async function cleanUpStorage() {
+  await cleanUpAddresses();
+  await cleanUpCreditCards();
+}
+
+async function canTestOSKeyStoreLogin() {
+  let { canTest } = await invokeAsyncChromeTask(
+    "FormAutofillTest:CanTestOSKeyStoreLogin"
+  );
+  return canTest;
+}
+
+async function waitForOSKeyStoreLogin(login = false) {
+  await invokeAsyncChromeTask("FormAutofillTest:OSKeyStoreLogin", { login });
+}
+
+function patchRecordCCNumber(record) {
+  const number = record["cc-number"];
+  const ccNumberFmt = {
+    affix: "****",
+    label: number.substr(-4),
+  };
+
+  return Object.assign({}, record, { ccNumberFmt });
+}
+
+// Utils for registerPopupShownListener(in satchel_common.js) that handles dropdown popup
+// Please call "initPopupListener()" in your test and "await expectPopup()"
+// if you want to wait for dropdown menu displayed.
+function expectPopup() {
+  info("expecting a popup");
+  return new Promise(resolve => {
+    expectingPopup = resolve;
+  });
+}
+
+function notExpectPopup(ms = 500) {
+  info("not expecting a popup");
+  return new Promise((resolve, reject) => {
+    expectingPopup = reject.bind(this, "Unexpected Popup");
+    // TODO: We don't have an event to notify no popup showing, so wait for 500
+    // ms (in default) to predict any unexpected popup showing.
+    setTimeout(resolve, ms);
+  });
+}
+
+function popupShownListener() {
+  info("popup shown for test ");
+  if (expectingPopup) {
+    expectingPopup();
+    expectingPopup = null;
+  }
+}
+
+function initPopupListener() {
+  registerPopupShownListener(popupShownListener);
+}
+
+async function triggerPopupAndHoverItem(fieldSelector, selectIndex) {
+  await focusAndWaitForFieldsIdentified(fieldSelector);
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  for (let i = 0; i <= selectIndex; i++) {
+    synthesizeKey("KEY_ArrowDown");
+  }
+  await notifySelectedIndex(selectIndex);
+}
+
+function formAutoFillCommonSetup() {
+  // Remove the /creditCard path segement when referenced from the 'creditCard' subdirectory.
+  let chromeURL = SimpleTest.getTestFileURL(
+    "formautofill_parent_utils.js"
+  ).replace(/\/creditCard/, "");
+  formFillChromeScript = SpecialPowers.loadChromeScript(chromeURL);
+  formFillChromeScript.addMessageListener("onpopupshown", ({ results }) => {
+    gLastAutoCompleteResults = results;
+    if (gPopupShownListener) {
+      gPopupShownListener({ results });
+    }
+  });
+
+  add_setup(async () => {
+    info(`expecting the storage setup`);
+    await formFillChromeScript.sendQuery("setup");
+  });
+
+  SimpleTest.registerCleanupFunction(async () => {
+    info(`expecting the storage cleanup`);
+    await formFillChromeScript.sendQuery("cleanup");
+
+    formFillChromeScript.destroy();
+    expectingPopup = null;
+  });
+
+  document.addEventListener(
+    "DOMContentLoaded",
+    function () {
+      defaultTextColor = window
+        .getComputedStyle(document.querySelector("input"))
+        .getPropertyValue("color");
+
+      // This is needed for test_formautofill_preview_highlight.html to work properly
+      let disabledInput = document.querySelector(`input[disabled]`);
+      if (disabledInput) {
+        defaultDisabledTextColor = window
+          .getComputedStyle(disabledInput)
+          .getPropertyValue("color");
+      }
+    },
+    { once: true }
+  );
+}
+
+/*
+ * Extremely over-simplified detection of card type from card number just for
+ * our tests. This is needed to test the aria-label of credit card menu entries.
+ */
+function getCCTypeName(creditCard) {
+  return creditCard["cc-number"][0] == "4" ? "Visa" : "MasterCard";
+}
+
+formAutoFillCommonSetup();
diff --git a/browser/extensions/formautofill/test/mochitest/formautofill_parent_utils.js b/browser/extensions/formautofill/test/mochitest/formautofill_parent_utils.js
new file mode 100644
index 0000000000..0d9af772b5
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/formautofill_parent_utils.js
@@ -0,0 +1,304 @@
+/* eslint-env mozilla/chrome-script */
+
+"use strict";
+
+const { FormAutofill } = ChromeUtils.importESModule(
+  "resource://autofill/FormAutofill.sys.mjs"
+);
+const { FormAutofillUtils } = ChromeUtils.importESModule(
+  "resource://gre/modules/shared/FormAutofillUtils.sys.mjs"
+);
+const { OSKeyStoreTestUtils } = ChromeUtils.importESModule(
+  "resource://testing-common/OSKeyStoreTestUtils.sys.mjs"
+);
+
+let { formAutofillStorage } = ChromeUtils.importESModule(
+  "resource://autofill/FormAutofillStorage.sys.mjs"
+);
+
+const { ADDRESSES_COLLECTION_NAME, CREDITCARDS_COLLECTION_NAME } =
+  FormAutofillUtils;
+
+let destroyed = false;
+
+var ParentUtils = {
+  getFormAutofillActor() {
+    let win = Services.wm.getMostRecentWindow("navigator:browser");
+    let selectedBrowser = win.gBrowser.selectedBrowser;
+    return selectedBrowser.browsingContext.currentWindowGlobal.getActor(
+      "FormAutofill"
+    );
+  },
+
+  _getRecords(collectionName) {
+    return this.getFormAutofillActor().receiveMessage({
+      name: "FormAutofill:GetRecords",
+      data: {
+        searchString: "",
+        collectionName,
+      },
+    });
+  },
+
+  async _storageChangeObserved({
+    topic = "formautofill-storage-changed",
+    type,
+    times = 1,
+  }) {
+    let count = times;
+
+    return new Promise(resolve => {
+      Services.obs.addObserver(function observer(subject, obsTopic, data) {
+        if ((type && data != type) || !!--count) {
+          return;
+        }
+
+        // every notification type should have the collection name.
+        // We're not allowed to trigger assertions during mochitest
+        // cleanup functions.
+        if (!destroyed) {
+          let allowedNames = [
+            ADDRESSES_COLLECTION_NAME,
+            CREDITCARDS_COLLECTION_NAME,
+          ];
+          assert.ok(
+            allowedNames.includes(subject.wrappedJSObject.collectionName),
+            "should include the collection name"
+          );
+          // every notification except removeAll should have a guid.
+          if (data != "removeAll") {
+            assert.ok(subject.wrappedJSObject.guid, "should have a guid");
+          }
+        }
+        Services.obs.removeObserver(observer, obsTopic);
+        resolve();
+      }, topic);
+    });
+  },
+
+  async _operateRecord(collectionName, type, msgData) {
+    let msgName, times, topic;
+
+    if (collectionName == ADDRESSES_COLLECTION_NAME) {
+      switch (type) {
+        case "add": {
+          msgName = "FormAutofill:SaveAddress";
+          break;
+        }
+        case "update": {
+          msgName = "FormAutofill:SaveAddress";
+          break;
+        }
+        case "remove": {
+          msgName = "FormAutofill:RemoveAddresses";
+          times = msgData.guids.length;
+          break;
+        }
+        default:
+          return;
+      }
+    } else {
+      switch (type) {
+        case "add": {
+          msgData = Object.assign({}, msgData);
+          msgName = "FormAutofill:SaveCreditCard";
+          break;
+        }
+        case "remove": {
+          msgName = "FormAutofill:RemoveCreditCards";
+          times = msgData.guids.length;
+          break;
+        }
+        default:
+          return;
+      }
+    }
+
+    let storageChangePromise = this._storageChangeObserved({
+      type,
+      times,
+      topic,
+    });
+    this.getFormAutofillActor().receiveMessage({
+      name: msgName,
+      data: msgData,
+    });
+    await storageChangePromise;
+  },
+
+  async operateAddress(type, msgData) {
+    await this._operateRecord(ADDRESSES_COLLECTION_NAME, ...arguments);
+  },
+
+  async operateCreditCard(type, msgData) {
+    await this._operateRecord(CREDITCARDS_COLLECTION_NAME, ...arguments);
+  },
+
+  async cleanUpAddresses() {
+    const guids = (await this._getRecords(ADDRESSES_COLLECTION_NAME)).map(
+      record => record.guid
+    );
+
+    if (!guids.length) {
+      return;
+    }
+
+    await this.operateAddress(
+      "remove",
+      { guids },
+      "FormAutofillTest:AddressesCleanedUp"
+    );
+  },
+
+  async cleanUpCreditCards() {
+    if (!FormAutofill.isAutofillCreditCardsAvailable) {
+      return;
+    }
+    const guids = (await this._getRecords(CREDITCARDS_COLLECTION_NAME)).map(
+      record => record.guid
+    );
+
+    if (!guids.length) {
+      return;
+    }
+
+    await this.operateCreditCard(
+      "remove",
+      { guids },
+      "FormAutofillTest:CreditCardsCleanedUp"
+    );
+  },
+
+  setup() {
+    OSKeyStoreTestUtils.setup();
+  },
+
+  async cleanup() {
+    await this.cleanUpAddresses();
+    await this.cleanUpCreditCards();
+    await OSKeyStoreTestUtils.cleanup();
+
+    Services.obs.removeObserver(this, "formautofill-storage-changed");
+  },
+
+  _areRecordsMatching(recordA, recordB, collectionName) {
+    for (let field of formAutofillStorage[collectionName].VALID_FIELDS) {
+      if (recordA[field] !== recordB[field]) {
+        return false;
+      }
+    }
+    // Check the internal field if both addresses have valid value.
+    for (let field of formAutofillStorage.INTERNAL_FIELDS) {
+      if (
+        field in recordA &&
+        field in recordB &&
+        recordA[field] !== recordB[field]
+      ) {
+        return false;
+      }
+    }
+    return true;
+  },
+
+  async _checkRecords(collectionName, expectedRecords) {
+    const records = await this._getRecords(collectionName);
+
+    if (records.length !== expectedRecords.length) {
+      return false;
+    }
+
+    for (let record of records) {
+      let matching = expectedRecords.some(expectedRecord => {
+        return ParentUtils._areRecordsMatching(
+          record,
+          expectedRecord,
+          collectionName
+        );
+      });
+
+      if (!matching) {
+        return false;
+      }
+    }
+
+    return true;
+  },
+
+  async checkAddresses({ expectedAddresses }) {
+    return this._checkRecords(ADDRESSES_COLLECTION_NAME, expectedAddresses);
+  },
+
+  async checkCreditCards({ expectedCreditCards }) {
+    return this._checkRecords(CREDITCARDS_COLLECTION_NAME, expectedCreditCards);
+  },
+
+  observe(subject, topic, data) {
+    if (!destroyed) {
+      assert.ok(topic === "formautofill-storage-changed");
+    }
+    sendAsyncMessage("formautofill-storage-changed", {
+      subject: null,
+      topic,
+      data,
+    });
+  },
+};
+
+Services.obs.addObserver(ParentUtils, "formautofill-storage-changed");
+
+Services.mm.addMessageListener("FormAutofill:FieldsIdentified", () => {
+  return null;
+});
+
+addMessageListener("FormAutofillTest:AddAddress", msg => {
+  return ParentUtils.operateAddress("add", msg);
+});
+
+addMessageListener("FormAutofillTest:RemoveAddress", msg => {
+  return ParentUtils.operateAddress("remove", msg);
+});
+
+addMessageListener("FormAutofillTest:UpdateAddress", msg => {
+  return ParentUtils.operateAddress("update", msg);
+});
+
+addMessageListener("FormAutofillTest:CheckAddresses", msg => {
+  return ParentUtils.checkAddresses(msg);
+});
+
+addMessageListener("FormAutofillTest:CleanUpAddresses", msg => {
+  return ParentUtils.cleanUpAddresses();
+});
+
+addMessageListener("FormAutofillTest:AddCreditCard", msg => {
+  return ParentUtils.operateCreditCard("add", msg);
+});
+
+addMessageListener("FormAutofillTest:RemoveCreditCard", msg => {
+  return ParentUtils.operateCreditCard("remove", msg);
+});
+
+addMessageListener("FormAutofillTest:CheckCreditCards", msg => {
+  return ParentUtils.checkCreditCards(msg);
+});
+
+addMessageListener("FormAutofillTest:CleanUpCreditCards", msg => {
+  return ParentUtils.cleanUpCreditCards();
+});
+
+addMessageListener("FormAutofillTest:CanTestOSKeyStoreLogin", msg => {
+  return { canTest: OSKeyStoreTestUtils.canTestOSKeyStoreLogin() };
+});
+
+addMessageListener("FormAutofillTest:OSKeyStoreLogin", async msg => {
+  await OSKeyStoreTestUtils.waitForOSKeyStoreLogin(msg.login);
+});
+
+addMessageListener("setup", async () => {
+  ParentUtils.setup();
+});
+
+addMessageListener("cleanup", async () => {
+  destroyed = true;
+  await ParentUtils.cleanup();
+});
diff --git a/browser/extensions/formautofill/test/mochitest/mochitest.ini b/browser/extensions/formautofill/test/mochitest/mochitest.ini
new file mode 100644
index 0000000000..2964fd5b13
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/mochitest.ini
@@ -0,0 +1,23 @@
+[DEFAULT]
+prefs =
+  extensions.formautofill.creditCards.supported=on
+  extensions.formautofill.creditCards.enabled=true
+  extensions.formautofill.addresses.supported=on
+  extensions.formautofill.addresses.enabled=true
+skip-if = toolkit == 'android' # bug 1730213
+support-files =
+  ../../../../../toolkit/components/satchel/test/satchel_common.js
+  ../../../../../toolkit/components/satchel/test/parent_utils.js
+  formautofill_common.js
+  formautofill_parent_utils.js
+
+[test_address_level_1_submission.html]
+[test_autofill_and_ordinal_forms.html]
+[test_autofocus_form.html]
+[test_basic_autocomplete_form.html]
+[test_form_changes.html]
+[test_formautofill_preview_highlight.html]
+skip-if = verify
+[test_multi_locale_CA_address_form.html]
+[test_multiple_forms.html]
+[test_on_address_submission.html]
diff --git a/browser/extensions/formautofill/test/mochitest/test_address_level_1_submission.html b/browser/extensions/formautofill/test/mochitest/test_address_level_1_submission.html
new file mode 100644
index 0000000000..9d6ad1f7ea
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/test_address_level_1_submission.html
@@ -0,0 +1,102 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test autofill submission for a country without address-level1</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="formautofill_common.js"></script>
+  <script type="text/javascript" src="satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: Test autofill submission for a country without address-level1
+
+<script>
+/* import-globals-from ../../../../../toolkit/components/satchel/test/satchel_common.js */
+
+"use strict";
+
+const TEST_ADDRESSES = [{
+  organization: "Mozilla",
+  "street-address": "123 Sesame Street",
+  "address-level1": "AL",
+  country: "DE",
+  timesUsed: 1,
+}];
+
+add_task(async function test_DE_is_valid_testcase() {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["extensions.formautofill.addresses.capture.enabled", true],
+      ["extensions.formautofill.addresses.supportedCountries", "US,CA,DE"],
+      ["extensions.formautofill.creditCards.supportedCountries", "US,CA,DE"],
+    ],
+  });
+  let chromeScript = SpecialPowers.loadChromeScript(function test_country_data() {
+    /* eslint-env mozilla/chrome-script */
+    const {AddressDataLoader} = ChromeUtils.importESModule("resource://gre/modules/shared/FormAutofillUtils.sys.mjs");
+    let data = AddressDataLoader.getData("DE");
+    addMessageListener("CheckSubKeys", () => {
+      return !data.defaultLocale.sub_keys;
+    });
+  });
+
+  SimpleTest.registerCleanupFunction(() => {
+    chromeScript.destroy();
+  });
+
+  let result = await chromeScript.sendQuery("CheckSubKeys");
+  ok(result, "Check that there are no sub_keys for the test country");
+});
+
+add_task(async function test_form_will_submit_without_sub_keys() {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      // This needs to match the country in the previous test and must have no sub_keys.
+      ["browser.search.region", "DE"],
+      // We already verified the first time use case in browser test
+      ["extensions.formautofill.firstTimeUse", false],
+      ["extensions.formautofill.addresses.capture.enabled", true],
+      ["extensions.formautofill.addresses.supportedCountries", "US,CA,DE"],
+      ["extensions.formautofill.addresses.supported", "detect"]
+    ],
+  });
+  // Click a field to get the form handler created
+  await focusAndWaitForFieldsIdentified("input[autocomplete='organization']");
+
+  let loadPromise = new Promise(resolve => {
+    /* eslint-disable-next-line mozilla/balanced-listeners */
+    document.getElementById("submit_frame").addEventListener("load", resolve);
+  });
+
+  clickOnElement("input[type=submit]");
+  await onStorageChanged("add");
+  // Check if timesUsed is set correctly
+  let matching = await checkAddresses(TEST_ADDRESSES);
+  ok(matching, "Address saved as expected");
+
+  await loadPromise;
+  isnot(window.submit_frame.location.href, "about:blank", "Check form submitted");
+});
+
+</script>
+
+<div>
+  <!-- Submit to the frame so that the test doesn't get replaced. We don't return
+    -- false in onsubmit since we're testing the submission succeeds. -->
+  <iframe id="submit_frame" name="submit_frame"></iframe>
+  <form action="/" target="submit_frame" method="POST">
+    <p><label>organization: <input autocomplete="organization" value="Mozilla"></label></p>
+    <p><label>streetAddress: <input autocomplete="street-address" value="123 Sesame Street"></label></p>
+    <p><label>address-level1: <select autocomplete="address-level1">
+          <option selected>AL</option>
+          <option>AK</option>
+    </select></label></p>
+    <p><label>country: <input autocomplete="country" value="DE"></label></p>
+    <p><input type="submit"></p>
+  </form>
+
+</div>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/test_autofill_and_ordinal_forms.html b/browser/extensions/formautofill/test/mochitest/test_autofill_and_ordinal_forms.html
new file mode 100644
index 0000000000..5c143c3f4a
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/test_autofill_and_ordinal_forms.html
@@ -0,0 +1,116 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test autofill submit</title>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript" src="formautofill_common.js"></script>
+  <script type="text/javascript" src="satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+
+<script>
+/* import-globals-from ../../../../../toolkit/components/satchel/test/satchel_common.js */
+
+"use strict";
+
+SpecialPowers.pushPrefEnv({"set": [["security.allow_eval_with_system_principal", true]]});
+
+let MOCK_STORAGE = [{
+  "given-name": "John",
+  "additional-name": "R",
+  "family-name": "Smith",
+  "organization": "Sesame Street",
+  "street-address": "123 Sesame Street.",
+  "tel": "+13453453456",
+  "country": "US",
+  "address-level1": "NY",
+}];
+
+initPopupListener();
+
+add_task(async function setupStorage() {
+  await addAddress(MOCK_STORAGE[0]);
+
+  await updateFormHistory([
+    {op: "add", fieldname: "username", value: "petya"},
+    {op: "add", fieldname: "current-password", value: "abrh#25_,K"},
+  ]);
+});
+
+add_task(async function check_switch_autofill_form_popup() {
+  await setInput("#tel", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(
+    [
+      `{"primary":"+13453453456","secondary":"123 Sesame Street."}`,
+      `{"primary":"","secondary":"","categories":["name","organization","address","tel"],"focusedCategory":"tel"}`,
+    ],
+    false
+  );
+
+  await testMenuEntry(0, "!(el instanceof MozElements.MozAutocompleteRichlistitem)");
+});
+
+add_task(async function check_switch_oridnal_form_popup() {
+  // We need an intentional wait here before switching form.
+  await sleep();
+  await setInput("#username", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(["petya"], false);
+
+  await testMenuEntry(0, "el instanceof MozElements.MozAutocompleteRichlistitem");
+});
+
+add_task(async function check_switch_autofill_form_popup_back() {
+  // We need an intentional wait here before switching form.
+  await sleep();
+  await setInput("#tel", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(
+    [
+      `{"primary":"+13453453456","secondary":"123 Sesame Street."}`,
+      `{"primary":"","secondary":"","categories":["name","organization","address","tel"],"focusedCategory":"tel"}`,
+    ],
+    false
+  );
+
+  await testMenuEntry(0, "!(el instanceof MozElements.MozAutocompleteRichlistitem)");
+});
+
+</script>
+
+<div>
+
+  <h2>Address form</h2>
+  <form class="alignedLabels">
+    <label>given-name: <input autocomplete="given-name" autofocus></label>
+    <label>additional-name: <input id="additional-name" autocomplete="additional-name"></label>
+    <label>family-name: <input autocomplete="family-name"></label>
+    <label>organization: <input autocomplete="organization"></label>
+    <label>street-address: <input autocomplete="street-address"></label>
+    <label>address-level1: <input autocomplete="address-level1"></label>
+    <label>postal-code: <input autocomplete="postal-code"></label>
+    <label>country: <input autocomplete="country"></label>
+    <label>country-name: <input autocomplete="country-name"></label>
+    <label>tel: <input id="tel" autocomplete="tel"></label>
+    <p>
+      <input type="submit" value="Submit">
+      <button type="reset">Reset</button>
+    </p>
+  </form>
+
+  <h2>Ordinal form</h2>
+  <form class="alignedLabels">
+    <label>username: <input id="username" autocomplete="username"></label>
+    <p><input type="submit" value="Username"></p>
+  </form>
+
+</div>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/test_autofocus_form.html b/browser/extensions/formautofill/test/mochitest/test_autofocus_form.html
new file mode 100644
index 0000000000..e2240474c8
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/test_autofocus_form.html
@@ -0,0 +1,69 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test basic autofill</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="formautofill_common.js"></script>
+  <script type="text/javascript" src="satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: autocomplete on an autofocus form
+
+<script>
+/* import-globals-from ../../../../../toolkit/components/satchel/test/satchel_common.js */
+
+"use strict";
+
+let MOCK_STORAGE = [{
+  organization: "Sesame Street",
+  "street-address": "123 Sesame Street.",
+  tel: "1-345-345-3456",
+}, {
+  organization: "Mozilla",
+  "street-address": "331 E. Evelyn Avenue",
+  tel: "1-650-903-0800",
+}];
+
+initPopupListener();
+
+async function setupAddressStorage() {
+  await addAddress(MOCK_STORAGE[0]);
+  await addAddress(MOCK_STORAGE[1]);
+}
+
+add_task(async function check_autocomplete_on_autofocus_field() {
+  await setupAddressStorage();
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(MOCK_STORAGE.map(address =>
+    JSON.stringify({primary: address.organization, secondary: address["street-address"]})
+  ));
+});
+
+</script>
+
+<p id="display"></p>
+
+<div id="content">
+
+  <form id="form1">
+    <p>This is a basic form.</p>
+    <p><label>organization: <input id="organization" name="organization" autocomplete="organization" type="text"></label></p>
+    <script>
+      "use strict";
+      // Focuses the input before DOMContentLoaded
+      document.getElementById("organization").focus();
+    </script>
+    <p><label>streetAddress: <input id="street-address" name="street-address" autocomplete="street-address" type="text"></label></p>
+    <p><label>tel: <input id="tel" name="tel" autocomplete="tel" type="text"></label></p>
+    <p><label>country: <input id="country" name="country" autocomplete="country" type="text"></label></p>
+  </form>
+
+</div>
+
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/test_basic_autocomplete_form.html b/browser/extensions/formautofill/test/mochitest/test_basic_autocomplete_form.html
new file mode 100644
index 0000000000..a642b2abca
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/test_basic_autocomplete_form.html
@@ -0,0 +1,220 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test basic autofill</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="formautofill_common.js"></script>
+  <script type="text/javascript" src="satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: simple form address autofill
+
+<script>
+/* import-globals-from ../../../../../toolkit/components/satchel/test/satchel_common.js */
+
+"use strict";
+
+let MOCK_STORAGE = [{
+  organization: "Sesame Street",
+  "street-address": "123 Sesame Street.\n2-line\n3-line",
+  tel: "+13453453456",
+  country: "US",
+  "address-level1": "NY",
+}, {
+  organization: "Mozilla",
+  "street-address": "331 E. Evelyn Avenue\n2-line\n3-line",
+  tel: "+16509030800",
+  country: "US",
+  "address-level1": "CA",
+}];
+
+async function setupAddressStorage() {
+  await addAddress(MOCK_STORAGE[0]);
+  await addAddress(MOCK_STORAGE[1]);
+}
+
+async function setupFormHistory() {
+  await updateFormHistory([
+    {op: "add", fieldname: "tel", value: "+1234567890"},
+    {op: "add", fieldname: "email", value: "foo@mozilla.com"},
+  ]);
+}
+
+initPopupListener();
+
+// Form with history only.
+add_task(async function history_only_menu_checking() {
+  await setupFormHistory();
+
+  await setInput("#tel", "");
+  await notExpectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(["+1234567890"], false);
+});
+
+// Display history search result if less than 3 inputs are covered by all saved
+// fields in the storage.
+add_task(async function all_saved_fields_less_than_threshold() {
+  await addAddress({
+    email: "test@test.com",
+  });
+
+  await setInput("#email", "");
+  await notExpectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(["foo@mozilla.com"], false);
+
+  await cleanUpAddresses();
+});
+
+// Form with both history and address storage.
+add_task(async function check_menu_when_both_existed() {
+  await setupAddressStorage();
+
+  await setInput("#organization", "");
+  await notExpectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(MOCK_STORAGE.map(address =>
+    JSON.stringify({
+      primary: address.organization,
+      secondary: FormAutofillUtils.toOneLineAddress(address["street-address"]),
+    })
+  ));
+
+  await setInput("#street-address", "");
+  await notExpectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(MOCK_STORAGE.map(address =>
+    JSON.stringify({
+      primary: FormAutofillUtils.toOneLineAddress(address["street-address"]),
+      secondary: address.organization,
+    })
+  ));
+
+  await setInput("#tel", "");
+  await notExpectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(MOCK_STORAGE.map(address =>
+    JSON.stringify({
+      primary: address.tel,
+      secondary: FormAutofillUtils.toOneLineAddress(address["street-address"]),
+    })
+  ));
+
+  await setInput("#address-line1", "");
+  await notExpectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(MOCK_STORAGE.map(address =>
+    JSON.stringify({
+      primary: FormAutofillUtils.toOneLineAddress(address["street-address"]),
+      secondary: address.organization,
+    })
+  ));
+});
+
+// Display history search result if no matched data in addresses.
+add_task(async function check_fallback_for_mismatched_field() {
+  await setInput("#email", "");
+  await notExpectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(["foo@mozilla.com"], false);
+});
+
+// Display history search result if address autofill is disabled.
+add_task(async function check_search_result_for_pref_off() {
+  await SpecialPowers.pushPrefEnv({
+    set: [["extensions.formautofill.addresses.enabled", false]],
+  });
+
+  await setInput("#tel", "");
+  await notExpectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(["+1234567890"], false);
+
+  await SpecialPowers.popPrefEnv();
+});
+
+// Autofill the address from dropdown menu.
+add_task(async function check_fields_after_form_autofill() {
+  const focusedInput = await setInput("#organization", "Moz");
+  await notExpectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(MOCK_STORAGE.map(address =>
+    JSON.stringify({
+      primary: address.organization,
+      secondary: FormAutofillUtils.toOneLineAddress(address["street-address"]),
+    })
+  ).slice(1));
+  synthesizeKey("KEY_ArrowDown");
+  await triggerAutofillAndCheckProfile(MOCK_STORAGE[1]);
+  synthesizeKey("KEY_Escape");
+  is(focusedInput.value, "Mozilla", "Filled field shouldn't be reverted by ESC key");
+});
+
+// Fallback to history search after autofill address.
+add_task(async function check_fallback_after_form_autofill() {
+  await setInput("#tel", "", true);
+  await triggerPopupAndHoverItem("#tel", 0);
+  checkMenuEntries(["+1234567890"], false);
+  await triggerAutofillAndCheckProfile({
+    tel: "+1234567890",
+  });
+});
+
+// Resume form autofill once all the autofilled fileds are changed.
+add_task(async function check_form_autofill_resume() {
+  document.querySelector("#tel").blur();
+  document.querySelector("#form1").reset();
+  await setInput("#tel", "");
+  await triggerPopupAndHoverItem("#tel", 0);
+  checkMenuEntries(MOCK_STORAGE.map(address =>
+    JSON.stringify({
+      primary: address.tel,
+      secondary: FormAutofillUtils.toOneLineAddress(address["street-address"]),
+    })
+  ));
+  await triggerAutofillAndCheckProfile(MOCK_STORAGE[0]);
+});
+
+</script>
+
+<p id="display"></p>
+
+<div id="content">
+
+  <form id="form1">
+    <p>This is a basic form.</p>
+    <p><label>organization: <input id="organization" name="organization" autocomplete="organization" type="text"></label></p>
+    <p><label>streetAddress: <input id="street-address" name="street-address" autocomplete="street-address" type="text"></label></p>
+    <p><label>address-line1: <input id="address-line1" name="address-line1" autocomplete="address-line1" type="text"></label></p>
+    <p><label>tel: <input id="tel" name="tel" autocomplete="tel" type="text"></label></p>
+    <p><label>email: <input id="email" name="email" autocomplete="email" type="text"></label></p>
+    <p><label>country: <select id="country" name="country" autocomplete="country">
+      <option/>
+      <option value="US">United States</option>
+    </select></label></p>
+    <p><label>states: <select id="address-level1" name="address-level1" autocomplete="address-level1">
+      <option/>
+      <option value="CA">California</option>
+      <option value="NY">New York</option>
+      <option value="WA">Washington</option>
+    </select></label></p>
+  </form>
+
+</div>
+
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/test_form_changes.html b/browser/extensions/formautofill/test/mochitest/test_form_changes.html
new file mode 100644
index 0000000000..2eace91a53
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/test_form_changes.html
@@ -0,0 +1,128 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test basic autofill</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="formautofill_common.js"></script>
+  <script type="text/javascript" src="satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: autocomplete on an autofocus form
+
+<script>
+/* import-globals-from ../../../../../toolkit/components/satchel/test/satchel_common.js */
+
+"use strict";
+
+let MOCK_STORAGE = [{
+  name: "John Doe",
+  organization: "Sesame Street",
+  "address-level2": "Austin",
+  tel: "+13453453456",
+}, {
+  name: "Foo Bar",
+  organization: "Mozilla",
+  "address-level2": "San Francisco",
+  tel: "+16509030800",
+}];
+
+initPopupListener();
+
+async function setupAddressStorage() {
+  await addAddress(MOCK_STORAGE[0]);
+  await addAddress(MOCK_STORAGE[1]);
+}
+
+function addInputField(form, className) {
+  let newElem = document.createElement("input");
+  newElem.name = className;
+  newElem.autocomplete = className;
+  newElem.type = "text";
+  form.appendChild(newElem);
+}
+
+async function checkFieldsAutofilled(formId, profile) {
+  const elements = document.querySelectorAll(`#${formId} input`);
+  for (const element of elements) {
+    await SimpleTest.promiseWaitForCondition(() => {
+      return element.value == profile[element.name];
+    });
+    await checkFieldHighlighted(element, true);
+  }
+}
+
+async function checkFormChangeHappened(formId) {
+  info("expecting form changed");
+  await focusAndWaitForFieldsIdentified(`#${formId} input[name=tel]`);
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  synthesizeKey("KEY_ArrowDown");
+  checkMenuEntries(MOCK_STORAGE.map(address =>
+    JSON.stringify({primary: address.tel, secondary: address.name})
+  ));
+
+  // Click the first entry of the autocomplete popup and make sure all fields are autofilled
+  synthesizeKey("KEY_Enter");
+  await checkFieldsAutofilled(formId, MOCK_STORAGE[0]);
+  // This is for checking the changes of element count.
+  addInputField(document.querySelector(`#${formId}`), "address-level2");
+
+  await focusAndWaitForFieldsIdentified(`#${formId} input[name=name]`);
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+
+  // Click on an autofilled field would show an autocomplete popup with "clear form" entry
+  checkMenuEntries([
+    JSON.stringify({primary: "", secondary: ""}), // Clear Autofill Form
+    JSON.stringify({primary: "", secondary: ""})  // FormAutofill Preferemce
+  ], false);
+
+  // This is for checking the changes of element removed and added then.
+  document.querySelector(`#${formId} input[name=address-level2]`).remove();
+  addInputField(document.querySelector(`#${formId}`), "address-level2");
+
+  await focusAndWaitForFieldsIdentified(`#${formId} input[name=address-level2]`, true);
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(MOCK_STORAGE.map(address =>
+    JSON.stringify({primary: address["address-level2"], secondary: address.name})
+  ));
+
+  // Make sure everything is autofilled in the end
+  synthesizeKey("KEY_ArrowDown");
+  synthesizeKey("KEY_Enter");
+  await checkFieldsAutofilled(formId, MOCK_STORAGE[0]);
+}
+
+add_task(async function init_storage() {
+  await setupAddressStorage();
+});
+
+add_task(async function check_change_happened_in_form() {
+  await checkFormChangeHappened("form1");
+});
+
+add_task(async function check_change_happened_in_body() {
+  await checkFormChangeHappened("form2");
+});
+</script>
+
+<p id="display"></p>
+<div id="content">
+  <form id="form1">
+    <p><label>organization: <input name="organization" autocomplete="organization" type="text"></label></p>
+    <p><label>tel: <input name="tel" autocomplete="tel" type="text"></label></p>
+    <p><label>name: <input name="name" autocomplete="name" type="text"></label></p>
+  </form>
+  <div id="form2">
+    <p><label>organization: <input name="organization" autocomplete="organization" type="text"></label></p>
+    <p><label>tel: <input name="tel" autocomplete="tel" type="text"></label></p>
+    <p><label>name: <input name="name" autocomplete="name" type="text"></label></p>
+  </div>
+</div>
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/test_formautofill_preview_highlight.html b/browser/extensions/formautofill/test/mochitest/test_formautofill_preview_highlight.html
new file mode 100644
index 0000000000..b32b036c9c
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/test_formautofill_preview_highlight.html
@@ -0,0 +1,121 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test form autofill - preview and highlight</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="formautofill_common.js"></script>
+  <script type="text/javascript" src="satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: preview and highlight
+
+<script>
+/* import-globals-from ../../../../../toolkit/components/satchel/test/satchel_common.js */
+
+"use strict";
+
+const MOCK_STORAGE = [
+  {
+    organization: "Sesame Street",
+    "street-address": "123 Sesame Street.",
+    tel: "+13453453456",
+  },
+  {
+    organization: "Mozilla",
+    "street-address": "331 E. Evelyn Avenue",
+  },
+  {
+    organization: "Tel org",
+    tel: "+12223334444",
+  },
+  {
+    organization: "Random Org",
+    "address-level1": "First Admin Level",
+    tel: "+13453453456",
+  },
+  {
+    organization: "readonly Org",
+    "address-level1": "First Admin Level",
+    tel: "+13453453456",
+    name: "John Doe",
+  },
+  {
+    organization: "test org",
+    "address-level2": "Not a Town",
+    tel: "+13453453456",
+    name: "John Doe",
+  }
+];
+
+
+initPopupListener();
+
+add_task(async function setup_storage() {
+  for (const storage of MOCK_STORAGE) {
+    await addAddress(storage);
+  }
+});
+
+add_task(async function check_preview() {
+  const focusedInput = await setInput("#organization", "");
+
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  await checkFormFieldsStyle(null);
+
+  for (let i = 0; i < MOCK_STORAGE.length; i++) {
+    info(`Checking organization: ${MOCK_STORAGE[i].organization} preview`);
+    synthesizeKey("KEY_ArrowDown");
+    await notifySelectedIndex(i);
+    await checkFormFieldsStyle(MOCK_STORAGE[i]);
+  }
+
+  // Navigate to the footer
+  synthesizeKey("KEY_ArrowDown");
+  await notifySelectedIndex(MOCK_STORAGE.length);
+  await checkFormFieldsStyle(null);
+
+  synthesizeKey("KEY_ArrowDown");
+  await notifySelectedIndex(-1);
+  await checkFormFieldsStyle(null);
+
+  focusedInput.blur();
+});
+
+add_task(async function check_filled_highlight() {
+  await triggerPopupAndHoverItem("#organization", 0);
+  // filled 1st address
+  await triggerAutofillAndCheckProfile(MOCK_STORAGE[0]);
+  await checkFormFieldsStyle(MOCK_STORAGE[0], false);
+});
+
+</script>
+
+<p id="display"></p>
+
+<div id="content">
+
+  <form id="form1">
+    <p>This is a basic form.</p>
+    <p><label>organization: <input id="organization" autocomplete="organization"></label></p>
+    <p><label>streetAddress: <input id="street-address" autocomplete="street-address"></label></p>
+    <p><label>tel: <input id="tel" autocomplete="tel"></label></p>
+    <p><label>country: <input id="country" autocomplete="country"></label></p>
+    <p><label>address-level1:
+      <select id="address-level1" autocomplete="address-level1">
+        <option>First Admin Level</option>
+        <option>Second Admin Level</option>
+      </select>
+    </label></p>
+    <p><label>full name: <input id="name" autocomplete="name" readonly value="UNCHANGED"></label></p>
+    <p><label>address-level2: <input id="address-level2" autocomplete="address-level2" disabled value="Town"></label></p>
+  </form>
+
+</div>
+
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/test_multi_locale_CA_address_form.html b/browser/extensions/formautofill/test/mochitest/test_multi_locale_CA_address_form.html
new file mode 100644
index 0000000000..48e0caa785
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/test_multi_locale_CA_address_form.html
@@ -0,0 +1,273 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test basic autofill</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="formautofill_common.js"></script>
+  <script type="text/javascript" src="satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: simple form address autofill
+
+<script>
+/* import-globals-from ../../../../../toolkit/components/satchel/test/satchel_common.js */
+
+"use strict";
+
+let MOCK_STORAGE = [{
+  organization: "Mozilla Vancouver",
+  "street-address": "163 W Hastings St.\n#209\n3-line",
+  tel: "+17787851540",
+  country: "CA",
+  "address-level1": "BC",
+}, {
+  organization: "Mozilla Toronto",
+  "street-address": "366 Adelaide St.\nW Suite 500\n3-line",
+  tel: "+14168483114",
+  country: "CA",
+  "address-level1": "ON",
+}, {
+  organization: "Prince of Wales Northern Heritage",
+  "street-address": "4750 48 St.\nYellowknife\n3-line",
+  tel: "+18677679347",
+  country: "CA",
+  "address-level1": "Northwest Territories",
+}, {
+  organization: "ExpoCité",
+  "street-address": "250 Boulevard Wilfrid-Hamel\nVille de Québec\n3-line",
+  tel: "+14186917110",
+  country: "CA",
+  "address-level1": "Québec",
+}];
+
+function checkElementFilled(element, expectedvalue) {
+  let focusFired = false;
+  let inputFired = false;
+  let changeFired = false;
+  return [
+    new Promise(resolve => {
+      element.addEventListener("focus", function onChange() {
+        ok(true, "Checking " + element.name + " field fires focus event");
+        focusFired = true;
+        resolve();
+      }, {once: true});
+    }),
+    new Promise(resolve => {
+      let beforeInputFired = false;
+      let oldValue = element.value;
+      element.addEventListener("beforeinput", function onBeforeInput(event) {
+        ok(true, "Checking " + element.name + " field fires beforeinput event");
+        ok(focusFired, "Focus fired before `beforeinput` event");
+        beforeInputFired = true;
+        ok(event instanceof InputEvent,
+           `"beforeinput" event should be dispatched with InputEvent interface on ${element.name}`);
+        is(event.inputType, "insertReplacementText",
+           'inputType value of "beforeinput" event should be "insertReplacementText"');
+        is(event.data, expectedvalue,
+           'data value of "beforeinput" event should be same as expected value');
+        is(event.dataTransfer, null,
+           'dataTransfer value of "beforeinput" event should be null');
+        is(event.getTargetRanges().length, 0,
+           'getTargetRanges() of "beforeinput" event should return empty array');
+        is(event.cancelable, SpecialPowers.getBoolPref("dom.input_event.allow_to_cancel_set_user_input"),
+           `"beforeinput" event should be cancelable on ${element.name} unless it's suppressed by the pref`);
+        is(event.bubbles, true,
+           `"input" event should always bubble on ${element.name}`);
+        is(element.value, oldValue,
+           'value of the element should not be modified at "beforeinput" event yet');
+      }, {once: true});
+      element.addEventListener("input", function onInput(event) {
+        ok(true, "Checking " + element.name + " field fires input event");
+        if (element.tagName == "INPUT" && element.type == "text") {
+          ok(beforeInputFired, `"beforeinput" event shoud've been fired on ${element.name} before "input" event`);
+          ok(event instanceof InputEvent,
+             `"input" event should be dispatched with InputEvent interface on ${element.name}`);
+          is(event.inputType, "insertReplacementText",
+             "inputType value should be \"insertReplacementText\"");
+          is(event.data, expectedvalue,
+             "data value should be same as expected value");
+          is(event.dataTransfer, null,
+             "dataTransfer value should be null");
+          is(event.getTargetRanges().length, 0,
+             'getTargetRanges() should return empty array');
+          is(element.value, expectedvalue,
+             'value of the element should be modified at "input" event');
+        } else {
+          ok(!beforeInputFired, `"beforeinput" event shoudn't be fired on ${element.name} before "input" event`);
+          ok(event instanceof Event && !(event instanceof UIEvent),
+             `"input" event should be dispatched with Event interface on ${element.name}`);
+        }
+        is(event.cancelable, false,
+           `"input" event should be never cancelable on ${element.name}`);
+        is(event.bubbles, true,
+           `"input" event should always bubble on ${element.name}`);
+        inputFired = true;
+        resolve();
+      }, {once: true});
+    }),
+    new Promise(resolve => {
+      element.addEventListener("change", function onChange() {
+        ok(true, "Checking " + element.name + " field fires change event");
+        is(element.value, expectedvalue, "Checking " + element.name + " field");
+        ok(focusFired, "Focus fired before `change` event");
+        changeFired = true;
+        resolve();
+      }, {once: true});
+    }),
+    new Promise(resolve => {
+      element.addEventListener("blur", function onChange() {
+        ok(true, "Checking " + element.name + " field fires blur event");
+        ok(changeFired, "Change fired before `blur` event");
+        ok(inputFired, "Input fired before `blur` event");
+        is(element.value, expectedvalue, "Checking " + element.name + " field");
+        resolve();
+      }, {once: true});
+    }),
+  ];
+}
+
+function checkAutoCompleteInputFilled(element, expectedvalue) {
+  return new Promise(resolve => {
+    element.addEventListener("input", function onInput() {
+      is(element.value, expectedvalue, "Checking " + element.name + " field");
+      resolve();
+    }, {once: true});
+  });
+}
+
+function checkFormFilled(selector, address) {
+  info("expecting form filled");
+  let promises = [];
+  let form = document.querySelector(selector);
+  for (let prop in address) {
+    let element = form.querySelector(`[name=${prop}]`);
+    if (document.activeElement == element) {
+      promises.push(checkAutoCompleteInputFilled(element, address[prop]));
+    } else {
+      let converted = address[prop];
+      if (prop == "street-address") {
+        converted = FormAutofillUtils.toOneLineAddress(converted);
+      }
+      promises.push(...checkElementFilled(element, converted));
+    }
+  }
+  synthesizeKey("KEY_Enter");
+  return Promise.all(promises);
+}
+
+async function setupAddressStorage() {
+  for (let address of MOCK_STORAGE) {
+    await addAddress(address);
+  }
+}
+
+initPopupListener();
+
+add_setup(async () => {
+  // This test relies on being able to fill a Canadian address which isn't possible
+  // without `supportedCountries` allowing Canada
+  await SpecialPowers.pushPrefEnv({"set": [["extensions.formautofill.supportedCountries", "US,CA"]]});
+
+  await setupAddressStorage();
+});
+
+// Autofill the address with address level 1 code.
+add_task(async function autofill_with_level1_code() {
+  await setInput("#organization-en", "Mozilla Toront");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+
+  synthesizeKey("KEY_ArrowDown");
+  // Replace address level 1 code with full name in English for test result
+  let result = Object.assign({}, MOCK_STORAGE[1], {"address-level1": "Ontario"});
+  await checkFormFilled("#form-en", result);
+
+  await setInput("#organization-fr", "Mozilla Vancouve");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+
+  synthesizeKey("KEY_ArrowDown");
+  // Replace address level 1 code with full name in French for test result
+  result = Object.assign({}, MOCK_STORAGE[0], {"address-level1": "Colombie-Britannique"});
+  await checkFormFilled("#form-fr", result);
+  document.querySelector("#form-en").reset();
+  document.querySelector("#form-fr").reset();
+});
+
+// Autofill the address with address level 1 full name.
+add_task(async function autofill_with_level1_full_name() {
+  await setInput("#organization-en", "ExpoCit");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+
+  synthesizeKey("KEY_ArrowDown");
+  // Replace address level 1 code with full name in French for test result
+  let result = Object.assign({}, MOCK_STORAGE[3], {"address-level1": "Quebec"});
+  await checkFormFilled("#form-en", result);
+
+  await setInput("#organization-fr", "Prince of Wales");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+
+  synthesizeKey("KEY_ArrowDown");
+  // Replace address level 1 code with full name in English for test result
+  result = Object.assign({}, MOCK_STORAGE[2], {"address-level1": "Territoires du Nord-Ouest"});
+  await checkFormFilled("#form-fr", result);
+});
+
+</script>
+
+<p id="display"></p>
+
+<div id="content">
+
+  <form id="form-en">
+    <p>This is a basic CA form with en address level 1 select.</p>
+    <p><label>organization: <input id="organization-en" name="organization" autocomplete="organization" type="text"></label></p>
+    <p><label>streetAddress: <input id="street-address-en" name="street-address" autocomplete="street-address" type="text"></label></p>
+    <p><label>address-line1: <input id="address-line1-en" name="address-line1" autocomplete="address-line1" type="text"></label></p>
+    <p><label>tel: <input id="tel-en" name="tel" autocomplete="tel" type="text"></label></p>
+    <p><label>email: <input id="email-en" name="email" autocomplete="email" type="text"></label></p>
+    <p><label>country: <select id="country-en" name="country" autocomplete="country">
+      <option/>
+      <option value="US">United States</option>
+      <option value="CA">Canada</option>
+    </select></label></p>
+    <p><label>states: <select id="address-level1-en" name="address-level1" autocomplete="address-level1">
+      <option/>
+      <option value="British Columbia">British Columbia</option>
+      <option value="Ontario">Ontario</option>
+      <option value="Northwest Territories">Northwest Territories</option>
+      <option value="Quebec">Quebec</option>
+    </select></label></p>
+  </form>
+
+  <form id="form-fr">
+    <p>This is a basic CA form with fr address level 1 select.</p>
+    <p><label>organization: <input id="organization-fr" name="organization" autocomplete="organization" type="text"></label></p>
+    <p><label>streetAddress: <input id="street-address-fr" name="street-address" autocomplete="street-address" type="text"></label></p>
+    <p><label>address-line1: <input id="address-line1-fr" name="address-line1" autocomplete="address-line1" type="text"></label></p>
+    <p><label>tel: <input id="tel-fr" name="tel" autocomplete="tel" type="text"></label></p>
+    <p><label>email: <input id="email-fr" name="email" autocomplete="email" type="text"></label></p>
+    <p><label>country: <select id="country-fr" name="country" autocomplete="country">
+      <option/>
+      <option value="US">United States</option>
+      <option value="CA">Canada</option>
+    </select></label></p>
+    <p><label>states: <select id="address-level1-fr" name="address-level1" autocomplete="address-level1">
+      <option/>
+      <option value="Colombie-Britannique">Colombie-Britannique</option>
+      <option value="Ontario">Ontario</option>
+      <option value="Territoires du Nord-Ouest">Territoires du Nord-Ouest</option>
+      <option value="Québec">Québec</option>
+    </select></label></p>
+  </form>
+
+</div>
+
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/test_multiple_forms.html b/browser/extensions/formautofill/test/mochitest/test_multiple_forms.html
new file mode 100644
index 0000000000..feea55aae6
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/test_multiple_forms.html
@@ -0,0 +1,67 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test autofill submit</title>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript" src="formautofill_common.js"></script>
+  <script type="text/javascript" src="satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+
+<script>
+/* import-globals-from ../../../../../toolkit/components/satchel/test/satchel_common.js */
+
+"use strict";
+
+let MOCK_STORAGE = [{
+  "given-name": "John",
+  "additional-name": "R",
+  "family-name": "Smith",
+}];
+
+initPopupListener();
+
+add_task(async function setupStorage() {
+  await addAddress(MOCK_STORAGE[0]);
+});
+
+add_task(async function check_switch_form_popup() {
+  await setInput("#additional-name", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+
+  // We need an intentional wait here before switching form.
+  await sleep();
+  await setInput("#organization", "");
+  synthesizeKey("KEY_ArrowDown");
+  const {open: popupOpen} = await getPopupState();
+  is(popupOpen, false);
+
+  await sleep();
+  await setInput("#given-name", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+});
+
+</script>
+
+<div>
+
+  <form>
+    <label>Name:<input id="name" autocomplete="name"></label>
+    <label>Organization:<input id="organization" autocomplete="organization"></label>
+    <label>City:<input autocomplete="address-level2"></label>
+  </form>
+
+  <form>
+    <label>Given-Name: <input id="given-name" autocomplete="given-name"></label>
+	  <label>Additional-Name/Middle: <input id="additional-name" autocomplete="additional-name"></label>
+	  <label>FamilyName-LastName: <input id="family-name" autocomplete="family-name"></label>
+  </form>
+
+</div>
+</body>
+</html>
diff --git a/browser/extensions/formautofill/test/mochitest/test_on_address_submission.html b/browser/extensions/formautofill/test/mochitest/test_on_address_submission.html
new file mode 100644
index 0000000000..79da48c77b
--- /dev/null
+++ b/browser/extensions/formautofill/test/mochitest/test_on_address_submission.html
@@ -0,0 +1,121 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test autofill submit</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript" src="formautofill_common.js"></script>
+  <script type="text/javascript" src="satchel_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+Form autofill test: check if address is saved/updated correctly
+
+<script>
+/* import-globals-from ../../../../../toolkit/components/satchel/test/satchel_common.js */
+
+"use strict";
+
+let TEST_ADDRESSES = [{
+  organization: "Sesame Street",
+  "street-address": "123 Sesame Street.",
+  tel: "+13453453456",
+}, {
+  organization: "Mozilla",
+  "street-address": "331 E. Evelyn Avenue",
+  tel: "+16509030800",
+}];
+
+add_task(async function setup_prefs() {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["extensions.formautofill.addresses.enabled", true],
+      ["extensions.formautofill.addresses.capture.enabled", true],
+    ],
+  });
+});
+
+initPopupListener();
+
+// Submit first address for saving.
+add_task(async function check_storage_after_form_submitted() {
+  // We already verified the first time use case in browser test
+  await SpecialPowers.pushPrefEnv({
+    "set": [["extensions.formautofill.firstTimeUse", false]],
+  });
+
+  for (let key in TEST_ADDRESSES[0]) {
+    await setInput("#" + key, TEST_ADDRESSES[0][key]);
+  }
+
+  clickOnElement("input[type=submit]");
+
+  let expectedAddresses = TEST_ADDRESSES.slice(0, 1);
+  await onStorageChanged("add");
+  // Check if timesUsed is set correctly
+  expectedAddresses[0].timesUsed = 1;
+  let matching = await checkAddresses(expectedAddresses);
+  ok(matching, "Address saved as expected");
+  delete expectedAddresses[0].timesUsed;
+});
+
+// Submit another new address.
+add_task(async function check_storage_after_another_address_submitted() {
+  await SpecialPowers.pushPrefEnv({"set": [["privacy.reduceTimerPrecision", false]]});
+
+  document.querySelector("form").reset();
+  for (let key in TEST_ADDRESSES[1]) {
+    await setInput("#" + key, TEST_ADDRESSES[1][key]);
+  }
+
+  clickOnElement("input[type=submit]");
+
+  // The 2nd test address should be on the top since it's the last used one.
+  let addressesInMenu = TEST_ADDRESSES.slice(1);
+  addressesInMenu.push(TEST_ADDRESSES[0]);
+
+  // let expectedAddresses = TEST_ADDRESSES.slice(0);
+  await onStorageChanged("add");
+  let matching = await checkAddresses(TEST_ADDRESSES);
+  ok(matching, "New address saved as expected");
+
+  await setInput("#organization", "");
+  synthesizeKey("KEY_ArrowDown");
+  await expectPopup();
+  checkMenuEntries(addressesInMenu.map(address =>
+    JSON.stringify({primary: address.organization, secondary: address["street-address"]})
+  ));
+});
+
+// Submit another new address that is mergeable.
+add_task(async function new_address_submitted_and_merged() {
+    // TODO: Bug Bug 1812294
+});
+
+// Submit an updated autofill address and merge.
+add_task(async function check_storage_after_form_submitted() {
+    // TODO: Bug Bug 1812294
+});
+
+// Submit a subset address manually.
+add_task(async function submit_subset_manually() {
+    // TODO: Bug Bug 1812294
+});
+
+</script>
+
+<div>
+
+  <form onsubmit="return false">
+    <p>This is a basic form for submitting test.</p>
+    <p><label>organization: <input id="organization" name="organization" autocomplete="organization" type="text"></label></p>
+    <p><label>streetAddress: <input id="street-address" name="street-address" autocomplete="street-address" type="text"></label></p>
+    <p><label>tel: <input id="tel" name="tel" autocomplete="tel" type="text"></label></p>
+    <p><label>country: <input id="country" name="country" autocomplete="country" type="text"></label></p>
+    <p><input type="submit"></p>
+  </form>
+
+</div>
+</body>
+</html>
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