1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/devtools/gc-ubench/benchmarks/globalArrayLargeObject.js b/js/src/devtools/gc-ubench/benchmarks/globalArrayLargeObject.js
new file mode 100644
index 000000000..d676c255e
--- /dev/null
+++ b/js/src/devtools/gc-ubench/benchmarks/globalArrayLargeObject.js
@@ -0,0 +1,23 @@
+window.tests.set('globalArrayLargeObject', (function() {
+var garbage = [];
+var garbageIndex = 0;
+return {
+    description: "var foo = { LARGE }; # (large slots)",
+
+    load: (N) => { garbage = new Array(N); },
+    unload: () => { garbage = []; garbageIndex = 0; },
+
+    defaultGarbageTotal: "8K",
+    defaultGarbagePerFrame: "200K",
+
+    makeGarbage: (N) => {
+        var obj = {};
+        for (var i = 0; i < N; i++) {
+            obj["key" + i] = i;
+        }
+        garbage[garbageIndex++] = obj;
+        if (garbageIndex == garbage.length)
+            garbageIndex = 0;
+    }
+};
+})());