1 files changed, 52 insertions, 0 deletions
diff --git a/devtools/client/performance-new/test/browser/browser_webchannel-enable-menu-button-preset.js b/devtools/client/performance-new/test/browser/browser_webchannel-enable-menu-button-preset.js
new file mode 100644
index 0000000000..4732f8f037
--- /dev/null
+++ b/devtools/client/performance-new/test/browser/browser_webchannel-enable-menu-button-preset.js
@@ -0,0 +1,52 @@
+/* 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/. */
+
+"use strict";
+
+add_task(async function test() {
+  info(
+    "Test the WebChannel mechanism that it changes the preset to firefox-platform"
+  );
+  await makeSureProfilerPopupIsDisabled();
+  const supportedFeatures = Services.profiler.GetFeatures();
+
+  // This test assumes that the Web Developer preset is set by default, which is
+  // not the case on Nightly and custom builds.
+  BackgroundJSM.changePreset(
+    "aboutprofiling",
+    "web-developer",
+    supportedFeatures
+  );
+
+  await withAboutProfiling(async document => {
+    const webdevPreset = document.querySelector("input[value=web-developer]");
+    const firefoxPreset = await document.querySelector(
+      "input[value=firefox-platform]"
+    );
+
+    // Check the presets now to make sure web-developer is selected right now.
+    ok(webdevPreset.checked, "By default the Web Developer preset is checked.");
+    ok(
+      !firefoxPreset.checked,
+      "By default the Firefox Platform preset is not checked."
+    );
+
+    // Enable the profiler menu button with web channel.
+    await withWebChannelTestDocument(async browser => {
+      await waitForTabTitle("WebChannel Page Ready");
+      await waitForProfilerMenuButton();
+      ok(true, "The profiler menu button was enabled by the WebChannel.");
+    });
+
+    // firefox-platform preset should be selected now.
+    ok(
+      !webdevPreset.checked,
+      "Web Developer preset should not be checked anymore."
+    );
+    ok(
+      firefoxPreset.checked,
+      "Firefox Platform preset should now be checked after enabling the popup with web channel."
+    );
+  });
+});