2 files changed, 180 insertions, 0 deletions
diff --git a/accessible/tests/browser/telemetry/browser.ini b/accessible/tests/browser/telemetry/browser.ini
new file mode 100644
index 0000000000..8a6381f19f
--- /dev/null
+++ b/accessible/tests/browser/telemetry/browser.ini
@@ -0,0 +1,3 @@
+[browser_HCM_telemetry.js]
+support-files =
+  !/browser/components/preferences/tests/head.js
diff --git a/accessible/tests/browser/telemetry/browser_HCM_telemetry.js b/accessible/tests/browser/telemetry/browser_HCM_telemetry.js
new file mode 100644
index 0000000000..d9c48f5942
--- /dev/null
+++ b/accessible/tests/browser/telemetry/browser_HCM_telemetry.js
@@ -0,0 +1,177 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* import-globals-from ../../../../browser/components/preferences/tests/head.js */
+
+"use strict";
+
+Services.scriptloader.loadSubScript(
+  "chrome://mochitests/content/browser/browser/components/preferences/tests/head.js",
+  this
+);
+
+ChromeUtils.import("resource://testing-common/TelemetryTestUtils.jsm", this);
+
+registerCleanupFunction(() => {
+  Services.prefs.clearUserPref("browser.display.document_color_use");
+  Services.prefs.clearUserPref("browser.display.permit_backplate");
+  Services.telemetry.clearEvents();
+});
+
+async function openColorsDialog() {
+  await openPreferencesViaOpenPreferencesAPI("general", { leaveOpen: true });
+  const colorsButton = gBrowser.selectedBrowser.contentDocument.getElementById(
+    "colors"
+  );
+
+  const dialogOpened = promiseLoadSubDialog(
+    "chrome://browser/content/preferences/dialogs/colors.xhtml"
+  );
+  colorsButton.doCommand();
+
+  return dialogOpened;
+}
+
+async function closeColorsDialog(dialogWin) {
+  const dialogClosed = BrowserTestUtils.waitForEvent(dialogWin, "unload");
+  dialogWin.document
+    .getElementById("ColorsDialog")
+    .getButton("accept")
+    .doCommand();
+  return dialogClosed;
+}
+
+function verifyBackplate(expectedValue) {
+  const snapshot = TelemetryTestUtils.getProcessScalars("parent", false, true);
+  ok("a11y.backplate" in snapshot, "Backplate scalar must be present.");
+  is(
+    snapshot["a11y.backplate"],
+    expectedValue,
+    "Backplate scalar is logged as " + expectedValue
+  );
+}
+
+add_task(async function testInit() {
+  const dialogWin = await openColorsDialog();
+  const menulistHCM = dialogWin.document.getElementById("useDocumentColors");
+  if (AppConstants.platform == "win") {
+    is(
+      menulistHCM.value,
+      "0",
+      "HCM menulist should be set to only with HCM theme on startup for windows"
+    );
+
+    // Verify correct default value on windows
+    TelemetryTestUtils.assertKeyedScalar(
+      TelemetryTestUtils.getProcessScalars("parent", true, true),
+      "a11y.theme",
+      "default",
+      false
+    );
+  } else {
+    is(
+      menulistHCM.value,
+      "1",
+      "HCM menulist should be set to never on startup for non-windows platforms"
+    );
+
+    // Verify correct default value on non-windows
+    TelemetryTestUtils.assertKeyedScalar(
+      TelemetryTestUtils.getProcessScalars("parent", true, true),
+      "a11y.theme",
+      "always",
+      false
+    );
+  }
+
+  gBrowser.removeCurrentTab();
+});
+
+add_task(async function testSetAlways() {
+  const dialogWin = await openColorsDialog();
+  const menulistHCM = dialogWin.document.getElementById("useDocumentColors");
+
+  menulistHCM.doCommand();
+  const newOption = dialogWin.document.getElementById("documentColorAlways");
+  newOption.click();
+
+  is(menulistHCM.value, "2", "HCM menulist should be set to always");
+
+  await closeColorsDialog(dialogWin);
+
+  // Verify correct initial value
+  TelemetryTestUtils.assertKeyedScalar(
+    TelemetryTestUtils.getProcessScalars("parent", true, true),
+    "a11y.theme",
+    "never",
+    false
+  );
+
+  gBrowser.removeCurrentTab();
+});
+
+add_task(async function testSetDefault() {
+  const dialogWin = await openColorsDialog();
+  const menulistHCM = dialogWin.document.getElementById("useDocumentColors");
+
+  menulistHCM.doCommand();
+  const newOption = dialogWin.document.getElementById("documentColorAutomatic");
+  newOption.click();
+
+  is(menulistHCM.value, "0", "HCM menulist should be set to default");
+
+  await closeColorsDialog(dialogWin);
+
+  // Verify correct initial value
+  TelemetryTestUtils.assertKeyedScalar(
+    TelemetryTestUtils.getProcessScalars("parent", true, true),
+    "a11y.theme",
+    "default",
+    false
+  );
+
+  gBrowser.removeCurrentTab();
+});
+
+add_task(async function testSetNever() {
+  const dialogWin = await openColorsDialog();
+  const menulistHCM = dialogWin.document.getElementById("useDocumentColors");
+
+  menulistHCM.doCommand();
+  const newOption = dialogWin.document.getElementById("documentColorNever");
+  newOption.click();
+
+  is(menulistHCM.value, "1", "HCM menulist should be set to never");
+
+  await closeColorsDialog(dialogWin);
+
+  // Verify correct initial value
+  TelemetryTestUtils.assertKeyedScalar(
+    TelemetryTestUtils.getProcessScalars("parent", true, true),
+    "a11y.theme",
+    "always",
+    false
+  );
+
+  gBrowser.removeCurrentTab();
+});
+
+// XXX We're uable to assert scalars that are false using assertScalar util,
+// so we directly query the scalar in the scalar list below. (bug 1633883)
+
+add_task(async function testBackplate() {
+  is(
+    Services.prefs.getBoolPref("browser.display.permit_backplate"),
+    true,
+    "Backplate is init'd to true"
+  );
+
+  Services.prefs.setBoolPref("browser.display.permit_backplate", false);
+  // Verify correct recorded value
+  verifyBackplate(false);
+
+  Services.prefs.setBoolPref("browser.display.permit_backplate", true);
+  // Verify correct recorded value
+  verifyBackplate(true);
+});