1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Memory-takeCensus-05.js b/js/src/jit-test/tests/debug/Memory-takeCensus-05.js
new file mode 100644
index 000000000..e83425ad0
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Memory-takeCensus-05.js
@@ -0,0 +1,14 @@
+// Test that Debugger.Memory.prototype.takeCensus finds cross compartment
+// wrapper GC roots.
+
+var g = newGlobal();
+var dbg = new Debugger(g);
+
+assertEq("AllocationMarker" in dbg.memory.takeCensus().objects, false,
+         "There shouldn't exist any allocation markers in the census.");
+
+this.ccw = g.allocationMarker();
+
+assertEq(dbg.memory.takeCensus().objects.AllocationMarker.count, 1,
+         "Should have one allocation marker in the census, because there " +
+         "is one cross-compartment wrapper referring to it.");