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-rw-r--r--js/src/devtools/gc-ubench/benchmarks/selfCyclicWeakMap.js29
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/devtools/gc-ubench/benchmarks/selfCyclicWeakMap.js b/js/src/devtools/gc-ubench/benchmarks/selfCyclicWeakMap.js
new file mode 100644
index 000000000..0a5ffb084
--- /dev/null
+++ b/js/src/devtools/gc-ubench/benchmarks/selfCyclicWeakMap.js
@@ -0,0 +1,29 @@
+window.tests.set('selfCyclicWeakMap', (function() {
+var garbage = [];
+var garbageIndex = 0;
+return {
+ description: "var wm = new WeakMap(); wm[k1] = k2; wm[k2] = k3; ...",
+
+ defaultGarbagePerFrame: "1K",
+ defaultGarbageTotal: "1K",
+
+ load: (N) => { garbage = new Array(N); },
+
+ unload: () => { garbage = []; garbageIndex = 0; },
+
+ makeGarbage: (M) => {
+ var wm = new WeakMap();
+ var initialKey = {};
+ var key = initialKey;
+ var value = {};
+ for (var i = 0; i < M; i++) {
+ wm.set(key, value);
+ key = value;
+ value = {};
+ }
+ garbage[garbageIndex++] = [ initialKey, wm ];
+ if (garbageIndex == garbage.length)
+ garbageIndex = 0;
+ }
+};
+})());