Add m-esr52 at 52.6.0

1 files changed, 25 insertions, 0 deletions

diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_addonPerformanceAlerts_2.js b/toolkit/components/perfmonitoring/tests/browser/browser_addonPerformanceAlerts_2.js
new file mode 100644
index 000000000..d39c38b1f
--- /dev/null
+++ b/toolkit/components/perfmonitoring/tests/browser/browser_addonPerformanceAlerts_2.js
@@ -0,0 +1,25 @@
+"use strict";
+
+/**
+ * Tests for PerformanceWatcher watching slow addons.
+ */
+
+add_task(function* test_watch_addon_then_install_it() {
+  for (let topic of ["burnCPU", "promiseBurnContentCPU", "promiseBurnCPOW"]) {
+    let addonId = "addon:test_watch_addons_before_installing" + Math.random();
+    let realListener = new AddonListener(addonId, (group, details) => {
+      if (group.addonId == addonId) {
+        return details.highestJank;
+      }
+      throw new Error(`I shouldn't have been called with addon ${group.addonId}`);
+    });
+
+    info("Now install the add-on, *after* having installed the listener");
+    let addon = new AddonBurner(addonId);
+
+    Assert.ok((yield addon.run(topic, 10, realListener)), `5. The real listener was triggered ${topic}`);
+    Assert.ok(realListener.result >= addon.jankThreshold, `5. jank is at least ${addon.jankThreshold/1000}ms (${realListener.result}µs) ${topic}`);
+    realListener.unregister();
+    addon.dispose();
+  }
+});