1 files changed, 87 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_perf-telemetry-04.js b/devtools/client/performance/test/browser_perf-telemetry-04.js
new file mode 100644
index 0000000000..68df776cf5
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-telemetry-04.js
@@ -0,0 +1,87 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that the performance telemetry module records events at appropriate times.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  initPerformanceInTab,
+  initConsoleInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  waitForRecordingStartedEvents,
+  waitForRecordingStoppedEvents,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  startTelemetry();
+
+  const { target, console } = await initConsoleInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  const { panel } = await initPerformanceInTab({ tab: target.localTab });
+
+  const started = waitForRecordingStartedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profile("rust");
+  await started;
+
+  const stopped = waitForRecordingStoppedEvents(panel, {
+    // only emitted for manual recordings
+    skipWaitingForBackendReady: true,
+  });
+  await console.profileEnd("rust");
+  await stopped;
+
+  checkResults();
+  await teardownToolboxAndRemoveTab(panel);
+});
+
+function checkResults() {
+  // For help generating these tests use generateTelemetryTests("DEVTOOLS_PERFTOOLS_")
+  // here.
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_CONSOLE_RECORDING_COUNT",
+    "",
+    { 0: 1, 1: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_DURATION_MS",
+    "",
+    null,
+    "hasentries"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_FEATURES_USED",
+    "withMarkers",
+    { 0: 0, 1: 1, 2: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_FEATURES_USED",
+    "withMemory",
+    { 0: 1, 1: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_FEATURES_USED",
+    "withAllocations",
+    { 0: 1, 1: 0 },
+    "array"
+  );
+  checkTelemetry(
+    "DEVTOOLS_PERFTOOLS_RECORDING_FEATURES_USED",
+    "withTicks",
+    { 0: 0, 1: 1, 2: 0 },
+    "array"
+  );
+}