1 files changed, 82 insertions, 0 deletions
diff --git a/tools/profiler/tests/xpcshell/test_pause.js b/tools/profiler/tests/xpcshell/test_pause.js
new file mode 100644
index 0000000000..394a805715
--- /dev/null
+++ b/tools/profiler/tests/xpcshell/test_pause.js
@@ -0,0 +1,82 @@
+/* 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/. */
+
+function run_test() {
+  if (!AppConstants.MOZ_GECKO_PROFILER) {
+    return;
+  }
+
+  Assert.ok(!Services.profiler.IsActive());
+  Assert.ok(!Services.profiler.IsPaused());
+
+  Services.profiler.StartProfiler(1000, 10, []);
+
+  // Default: Active and not paused.
+  Assert.ok(Services.profiler.IsActive());
+  Assert.ok(!Services.profiler.IsPaused());
+  Assert.ok(!Services.profiler.IsSamplingPaused());
+
+  // Pause everything, implicitly pauses sampling.
+  Services.profiler.Pause();
+
+  Assert.ok(Services.profiler.IsActive());
+  Assert.ok(Services.profiler.IsPaused());
+  Assert.ok(Services.profiler.IsSamplingPaused());
+
+  // While fully paused, pause and resume sampling only, no expected changes.
+  Services.profiler.PauseSampling();
+
+  Assert.ok(Services.profiler.IsActive());
+  Assert.ok(Services.profiler.IsPaused());
+  Assert.ok(Services.profiler.IsSamplingPaused());
+
+  Services.profiler.ResumeSampling();
+
+  Assert.ok(Services.profiler.IsActive());
+  Assert.ok(Services.profiler.IsPaused());
+  Assert.ok(Services.profiler.IsSamplingPaused());
+
+  // Resume everything.
+  Services.profiler.Resume();
+
+  Assert.ok(Services.profiler.IsActive());
+  Assert.ok(!Services.profiler.IsPaused());
+  Assert.ok(!Services.profiler.IsSamplingPaused());
+
+  // Pause sampling only.
+  Services.profiler.PauseSampling();
+
+  Assert.ok(Services.profiler.IsActive());
+  Assert.ok(!Services.profiler.IsPaused());
+  Assert.ok(Services.profiler.IsSamplingPaused());
+
+  // While sampling is paused, pause everything.
+  Services.profiler.Pause();
+
+  Assert.ok(Services.profiler.IsActive());
+  Assert.ok(Services.profiler.IsPaused());
+  Assert.ok(Services.profiler.IsSamplingPaused());
+
+  // Resume, but sampling is still paused separately.
+  Services.profiler.Resume();
+
+  Assert.ok(Services.profiler.IsActive());
+  Assert.ok(!Services.profiler.IsPaused());
+  Assert.ok(Services.profiler.IsSamplingPaused());
+
+  // Resume sampling only.
+  Services.profiler.ResumeSampling();
+
+  Assert.ok(Services.profiler.IsActive());
+  Assert.ok(!Services.profiler.IsPaused());
+  Assert.ok(!Services.profiler.IsSamplingPaused());
+
+  Services.profiler.StopProfiler();
+  Assert.ok(!Services.profiler.IsActive());
+  // Stopping is not pausing.
+  Assert.ok(!Services.profiler.IsPaused());
+  Assert.ok(!Services.profiler.IsSamplingPaused());
+
+  do_test_finished();
+}