1 files changed, 56 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_perf-options-propagate-allocations.js b/devtools/client/performance/test/browser_perf-options-propagate-allocations.js
new file mode 100644
index 0000000000..330085f9db
--- /dev/null
+++ b/devtools/client/performance/test/browser_perf-options-propagate-allocations.js
@@ -0,0 +1,56 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that setting the `devtools.performance.memory.` prefs propagate to
+ * the memory actor.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const {
+  MEMORY_SAMPLE_PROB_PREF,
+  MEMORY_MAX_LOG_LEN_PREF,
+  UI_ENABLE_ALLOCATIONS_PREF,
+} = require("devtools/client/performance/test/helpers/prefs");
+const {
+  initPerformanceInNewTab,
+  teardownToolboxAndRemoveTab,
+} = require("devtools/client/performance/test/helpers/panel-utils");
+const {
+  startRecording,
+  stopRecording,
+} = require("devtools/client/performance/test/helpers/actions");
+
+add_task(async function() {
+  const { panel, toolbox } = await initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window,
+  });
+
+  // Enable allocations to test.
+  Services.prefs.setBoolPref(UI_ENABLE_ALLOCATIONS_PREF, true);
+  Services.prefs.setCharPref(MEMORY_SAMPLE_PROB_PREF, "0.213");
+  Services.prefs.setIntPref(MEMORY_MAX_LOG_LEN_PREF, 777777);
+
+  await startRecording(panel);
+  const performanceFront = await toolbox.target.getFront("performance");
+  const {
+    probability,
+    maxLogLength,
+  } = await performanceFront.getConfiguration();
+  await stopRecording(panel);
+
+  is(
+    probability,
+    0.213,
+    "The allocations probability option is set on memory actor."
+  );
+  is(
+    maxLogLength,
+    777777,
+    "The allocations max log length option is set on memory actor."
+  );
+
+  await teardownToolboxAndRemoveTab(panel);
+});