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-rw-r--r--js/xpconnect/tests/unit/test_onGarbageCollection-03.js35
1 files changed, 35 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_onGarbageCollection-03.js b/js/xpconnect/tests/unit/test_onGarbageCollection-03.js
new file mode 100644
index 000000000..1c7f158a7
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_onGarbageCollection-03.js
@@ -0,0 +1,35 @@
+// Test that the onGarbageCollection hook is not reentrant.
+
+
+function run_test() {
+ do_test_pending();
+
+ const root = newGlobal();
+ const dbg = new Debugger();
+ const wrappedRoot = dbg.addDebuggee(root)
+
+ let fired = true;
+ let depth = 0;
+
+ dbg.memory.onGarbageCollection = _ => {
+ fired = true;
+
+ equal(depth, 0);
+ depth++;
+ try {
+ root.eval(`gc()`);
+ } finally {
+ equal(depth, 1);
+ depth--;
+ }
+ }
+
+ root.eval(`gc()`);
+
+ executeSoon(() => {
+ ok(fired);
+ equal(depth, 0);
+ dbg.memory.onGarbageCollection = undefined;
+ do_test_finished();
+ });
+}