1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Memory-drainAllocationsLog-15.js b/js/src/jit-test/tests/debug/Memory-drainAllocationsLog-15.js
new file mode 100644
index 0000000000..d8af3c9319
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Memory-drainAllocationsLog-15.js
@@ -0,0 +1,30 @@
+// Test drainAllocationsLog() and [[Class]] names.
+const root = newGlobal({newCompartment: true});
+const dbg = new Debugger();
+const wrappedRoot = dbg.addDebuggee(root)
+
+root.eval(
+  `
+  this.tests = [
+    { expected: "Object",    test: () => new Object    },
+    { expected: "Array",     test: () => []            },
+    { expected: "Date",      test: () => new Date      },
+    { expected: "RegExp",    test: () => /problems/    },
+    { expected: "Int8Array", test: () => new Int8Array },
+    { expected: "Promise",   test: () => new Promise(function (){})},
+  ];
+  `
+);
+
+
+for (let { expected, test } of root.tests) {
+  print(expected);
+
+  dbg.memory.trackingAllocationSites = true;
+  test();
+  let allocs = dbg.memory.drainAllocationsLog();
+  dbg.memory.trackingAllocationSites = false;
+
+  assertEq(allocs.some(a => a.class === expected), true);
+}
+