1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Memory-drainAllocationsLog-01.js b/js/src/jit-test/tests/debug/Memory-drainAllocationsLog-01.js
new file mode 100644
index 000000000..91aa07864
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Memory-drainAllocationsLog-01.js
@@ -0,0 +1,31 @@
+// Test basic usage of drainAllocationsLog()
+
+const root = newGlobal();
+const dbg = new Debugger();
+const wrappedRoot = dbg.addDebuggee(root)
+dbg.memory.trackingAllocationSites = true;
+
+root.eval("(" + function immediate() {
+  this.tests = [
+    ({}),
+    [],
+    /(two|2)\s*problems/,
+    new function Ctor(){},
+    new Object(),
+    new Array(),
+    new Date(),
+  ];
+} + "());");
+
+const allocs = dbg.memory.drainAllocationsLog();
+print(allocs.join("\n--------------------------------------------------------------------------\n"));
+print("Total number of allocations logged: " + allocs.length);
+
+let idx = -1;
+for (let object of root.tests) {
+  let wrappedObject = wrappedRoot.makeDebuggeeValue(object);
+  let allocSite = wrappedObject.allocationSite;
+  let newIdx = allocs.map(x => x.frame).indexOf(allocSite);
+  assertEq(newIdx > idx, true);
+  idx = newIdx;
+}