1 files changed, 63 insertions, 0 deletions
diff --git a/devtools/client/performance-new/test/browser/browser_aboutprofiling-features-disabled.js b/devtools/client/performance-new/test/browser/browser_aboutprofiling-features-disabled.js
new file mode 100644
index 0000000000..ce91f42167
--- /dev/null
+++ b/devtools/client/performance-new/test/browser/browser_aboutprofiling-features-disabled.js
@@ -0,0 +1,63 @@
+/* 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 that features that are disabled on the platform are disabled in about:profiling."
+  );
+
+  const supportedFeatures = Services.profiler.GetFeatures();
+  const allFeatures = Services.profiler.GetAllFeatures();
+  const unsupportedFeatures = allFeatures.filter(
+    feature => !supportedFeatures.includes(feature)
+  );
+
+  if (unsupportedFeatures.length === 0) {
+    ok(true, "This platform has no unsupported features. Skip this test.");
+    return;
+  }
+
+  await withAboutProfiling(async document => {
+    {
+      info("Find and click a supported feature to toggle it.");
+      const [firstSupportedFeature] = supportedFeatures;
+      const checkbox = getFeatureCheckbox(document, firstSupportedFeature);
+      const initialValue = checkbox.checked;
+      info("Click the supported checkbox.");
+      checkbox.click();
+      is(
+        initialValue,
+        !checkbox.checked,
+        "A supported feature can be toggled."
+      );
+      checkbox.click();
+    }
+
+    {
+      info("Find and click an unsupported feature, it should be disabled.");
+      const [firstUnsupportedFeature] = unsupportedFeatures;
+      const checkbox = getFeatureCheckbox(document, firstUnsupportedFeature);
+      is(checkbox.checked, false, "The unsupported feature is not checked.");
+
+      info("Click the unsupported checkbox.");
+      checkbox.click();
+      is(checkbox.checked, false, "After clicking it, it's still not checked.");
+    }
+  });
+});
+
+/**
+ * @param {HTMLDocument} document
+ * @param {string} feature
+ * @return {HTMLElement}
+ */
+function getFeatureCheckbox(document, feature) {
+  const element = document.querySelector(`input[value="${feature}"]`);
+  if (!element) {
+    throw new Error("Could not find the checkbox for the feature: " + feature);
+  }
+  return element;
+}