From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 .../tests/unit/test_onGarbageCollection-03.js      | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 js/xpconnect/tests/unit/test_onGarbageCollection-03.js

(limited to 'js/xpconnect/tests/unit/test_onGarbageCollection-03.js')

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();
+  });
+}
-- 
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