1 files changed, 45 insertions, 0 deletions
diff --git a/devtools/platform/tests/xpcshell/test_nativewrappers.js b/devtools/platform/tests/xpcshell/test_nativewrappers.js
new file mode 100644
index 0000000000..a7ea81adaf
--- /dev/null
+++ b/devtools/platform/tests/xpcshell/test_nativewrappers.js
@@ -0,0 +1,45 @@
+"use strict";
+
+function run_test() {
+  const { addDebuggerToGlobal } = ChromeUtils.importESModule(
+    "resource://gre/modules/jsdebugger.sys.mjs"
+  );
+
+  Services.prefs.setBoolPref("security.allow_eval_with_system_principal", true);
+  registerCleanupFunction(() => {
+    Services.prefs.clearUserPref("security.allow_eval_with_system_principal");
+  });
+
+  addDebuggerToGlobal(globalThis);
+  const g = testGlobal("test1");
+
+  const dbg = new Debugger();
+  dbg.addDebuggee(g);
+  dbg.onDebuggerStatement = function (frame) {
+    const args = frame.arguments;
+    try {
+      args[0];
+      Assert.ok(true);
+    } catch (ex) {
+      Assert.ok(false);
+    }
+  };
+
+  g.eval("function stopMe(arg) {debugger;}");
+
+  const g2 = testGlobal("test2");
+  g2.g = g;
+  g2.eval(
+    "(" +
+      function createBadEvent() {
+        // eslint-disable-next-line mozilla/reject-importGlobalProperties
+        Cu.importGlobalProperties(["DOMParser"]);
+        const parser = new DOMParser();
+        const doc = parser.parseFromString("<foo></foo>", "text/xml");
+        g.stopMe(doc.createEvent("MouseEvent"));
+      } +
+      ")()"
+  );
+
+  dbg.removeAllDebuggees();
+}