1 files changed, 54 insertions, 0 deletions
diff --git a/devtools/server/tests/browser/browser_perf-profiler-03.js b/devtools/server/tests/browser/browser_perf-profiler-03.js
new file mode 100644
index 000000000..28d87fe45
--- /dev/null
+++ b/devtools/server/tests/browser/browser_perf-profiler-03.js
@@ -0,0 +1,54 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests if the built-in profiler module is not reactivated if no other
+ * consumer was using it over the remote debugger protocol, and ensures
+ * that the actor will work properly even in such cases (e.g. the Gecko Profiler
+ * addon was installed and automatically activated the profiler module).
+ */
+
+const { PerformanceFront } = require("devtools/shared/fronts/performance");
+const { pmmIsProfilerActive, pmmStartProfiler, pmmStopProfiler, pmmLoadFrameScripts, pmmClearFrameScripts } = require("devtools/client/performance/test/helpers/profiler-mm-utils");
+
+add_task(function* () {
+  // Ensure the profiler is already running when the test starts.
+  pmmLoadFrameScripts(gBrowser);
+  let entries = 1000000;
+  let interval = 1;
+  let features = ["js"];
+  yield pmmStartProfiler({ entries, interval, features });
+
+  ok((yield pmmIsProfilerActive()),
+    "The built-in profiler module should still be active.");
+
+  yield addTab(MAIN_DOMAIN + "doc_perf.html");
+  initDebuggerServer();
+  let client = new DebuggerClient(DebuggerServer.connectPipe());
+  let form = yield connectDebuggerClient(client);
+  let firstFront = PerformanceFront(client, form);
+  yield firstFront.connect();
+
+  let recording = yield firstFront.startRecording();
+
+  yield addTab(MAIN_DOMAIN + "doc_perf.html");
+  let client2 = new DebuggerClient(DebuggerServer.connectPipe());
+  let form2 = yield connectDebuggerClient(client2);
+  let secondFront = PerformanceFront(client2, form2);
+  yield secondFront.connect();
+
+  yield secondFront.destroy();
+  yield client2.close();
+  ok((yield pmmIsProfilerActive()),
+    "The built-in profiler module should still be active.");
+
+  yield firstFront.destroy();
+  yield client.close();
+  ok(!(yield pmmIsProfilerActive()),
+    "The built-in profiler module should have been automatically stopped.");
+
+  pmmClearFrameScripts();
+
+  gBrowser.removeCurrentTab();
+  gBrowser.removeCurrentTab();
+});