Bug 1233831 - Part 5: Test the minor GC markers; r=vporof

2016-01-19 12:48:23 -08:00 · 2016-01-19 12:48:23 -08:00 · 926f0d1426
--- a/devtools/server/tests/browser/browser.ini
+++ b/devtools/server/tests/browser/browser.ini
@ -54,6 +54,7 @@ skip-if = e10s # Bug 1183605 - devtools/server/tests/browser/ tests are still di
 [browser_markers-docloading-02.js]
 [browser_markers-docloading-03.js]
 [browser_markers-gc.js]
+[browser_markers-minor-gc.js]
 [browser_markers-parse-html.js]
 [browser_markers-styles.js]
 [browser_markers-timestamp.js]
--- a/devtools/server/tests/browser/browser_markers-minor-gc.js
+++ b/devtools/server/tests/browser/browser_markers-minor-gc.js
@ -0,0 +1,32 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Test that we get "MinorGC" markers when we continue to steadily allocate
+ * objects.
+ */
+
+const { PerformanceFront } = require("devtools/server/actors/performance");
+
+add_task(function*() {
+  // This test runs very slowly on linux32 debug EC2 instances.
+  requestLongerTimeout(2);
+
+  let doc = yield addTab(MAIN_DOMAIN + "doc_allocations.html");
+
+  initDebuggerServer();
+  let client = new DebuggerClient(DebuggerServer.connectPipe());
+  let form = yield connectDebuggerClient(client);
+  let front = PerformanceFront(client, form);
+  yield front.connect();
+  let rec = yield front.startRecording({ withMarkers: true });
+
+  let markers = yield waitForMarkerType(front, ["MinorGC"]);
+  yield front.stopRecording(rec);
+
+  ok(markers.some(m => m.name === "MinorGC" && m.causeName),
+     "got some MinorGC markers");
+
+  yield closeDebuggerClient(client);
+  gBrowser.removeCurrentTab();
+});
--- a/devtools/server/tests/browser/doc_allocations.html
+++ b/devtools/server/tests/browser/doc_allocations.html
@ -5,10 +5,12 @@
 </head>
 <body>
 <script>
+window.allocs = [];
 window.onload = function() {
-  var allocs = [];
  function allocator() {
-    allocs.push(new Object);
+    for (var i = 0; i < 1000; i++) {
+      window.allocs.push(new Object);
+    }
  }

  window.setInterval(allocator, 1);