1 files changed, 128 insertions, 0 deletions
diff --git a/devtools/client/performance-new/test/browser/browser_aboutprofiling-presets-custom.js b/devtools/client/performance-new/test/browser/browser_aboutprofiling-presets-custom.js
new file mode 100644
index 0000000000..07680d7496
--- /dev/null
+++ b/devtools/client/performance-new/test/browser/browser_aboutprofiling-presets-custom.js
@@ -0,0 +1,128 @@
+/* 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 about:profiling presets override the individual settings when changed."
+  );
+  const supportedFeatures = Services.profiler.GetFeatures();
+
+  if (!supportedFeatures.includes("stackwalk")) {
+    ok(true, "This platform does not support stackwalking, skip this test.");
+    return;
+  }
+  // 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 = await getNearestInputFromText(
+      document,
+      "Web Developer"
+    );
+    const customPreset = await getNearestInputFromText(document, "Custom");
+    const stackwalkFeature = await getNearestInputFromText(
+      document,
+      "Native Stacks"
+    );
+    const geckoMainThread = await getNearestInputFromText(
+      document,
+      "GeckoMain"
+    );
+
+    {
+      info("Check the defaults on the about:profiling page.");
+      ok(
+        webdevPreset.checked,
+        "By default the Web Developer preset is checked."
+      );
+      ok(!customPreset.checked, "By default the custom preset is not checked.");
+      ok(
+        !stackwalkFeature.checked,
+        "Stack walking is not enabled for Web Developer."
+      );
+      ok(
+        !activeConfigurationHasFeature("stackwalk"),
+        "Stack walking is not in the active configuration."
+      );
+      ok(
+        geckoMainThread.checked,
+        "The GeckoMain thread is tracked for the Web Developer preset"
+      );
+      ok(
+        activeConfigurationHasThread("GeckoMain"),
+        "The GeckoMain thread is in the active configuration."
+      );
+    }
+
+    {
+      info("Change some settings, which will move the preset over to Custom.");
+
+      info("Click stack walking.");
+      stackwalkFeature.click();
+
+      info("Click the GeckoMain thread.");
+      geckoMainThread.click();
+    }
+
+    {
+      info("Check that the various settings were actually updated in the UI.");
+      ok(
+        !webdevPreset.checked,
+        "The Web Developer preset is no longer enabled."
+      );
+      ok(customPreset.checked, "The Custom preset is now checked.");
+      ok(stackwalkFeature.checked, "Stack walking was enabled");
+      ok(
+        activeConfigurationHasFeature("stackwalk"),
+        "Stack walking is in the active configuration."
+      );
+      ok(
+        !geckoMainThread.checked,
+        "GeckoMain was removed from tracked threads."
+      );
+      ok(
+        !activeConfigurationHasThread("GeckoMain"),
+        "The GeckoMain thread is not in the active configuration."
+      );
+    }
+
+    {
+      info(
+        "Click the Web Developer preset, which should revert the other settings."
+      );
+      webdevPreset.click();
+    }
+
+    {
+      info(
+        "Now verify that everything was reverted back to the original settings."
+      );
+      ok(webdevPreset.checked, "The Web Developer preset is checked again.");
+      ok(!customPreset.checked, "The custom preset is not checked.");
+      ok(
+        !stackwalkFeature.checked,
+        "Stack walking is reverted for the Web Developer preset."
+      );
+      ok(
+        !activeConfigurationHasFeature("stackwalk"),
+        "Stack walking is not in the active configuration."
+      );
+      ok(
+        geckoMainThread.checked,
+        "GeckoMain was added back to the tracked threads."
+      );
+      ok(
+        activeConfigurationHasThread("GeckoMain"),
+        "The GeckoMain thread is in the active configuration."
+      );
+    }
+  });
+});