1 files changed, 50 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_objectgrips-22.js b/devtools/server/tests/xpcshell/test_objectgrips-22.js
new file mode 100644
index 0000000000..34264f5534
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_objectgrips-22.js
@@ -0,0 +1,50 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Services.prefs.setBoolPref("security.allow_eval_with_system_principal", true);
+registerCleanupFunction(() => {
+  Services.prefs.clearUserPref("security.allow_eval_with_system_principal");
+});
+
+add_task(
+  threadFrontTest(async ({ threadFront, debuggee }) => {
+    const packet = await executeOnNextTickAndWaitForPause(
+      () => evalCode(debuggee),
+      threadFront
+    );
+
+    const [grip] = packet.frame.arguments;
+    const objClient = threadFront.pauseGrip(grip);
+    const iterator = await objClient.enumSymbols();
+    const { ownSymbols } = await iterator.slice(0, iterator.count);
+
+    strictEqual(ownSymbols.length, 1, "There is 1 symbol property.");
+    const { name, descriptor } = ownSymbols[0];
+    strictEqual(name, "Symbol(sym)", "Got right symbol name.");
+    deepEqual(
+      descriptor,
+      {
+        configurable: false,
+        enumerable: false,
+        writable: false,
+        value: 1,
+      },
+      "Got right property descriptor."
+    );
+
+    await threadFront.resume();
+  })
+);
+
+function evalCode(debuggee) {
+  debuggee.eval(
+    function stopMe(arg1) {
+      debugger;
+    }.toString()
+  );
+  debuggee.eval(
+    `stopMe(Object.defineProperty({}, Symbol("sym"), {value: 1}));`
+  );
+}