1 files changed, 39 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_nativewrappers.js b/devtools/server/tests/xpcshell/test_nativewrappers.js
new file mode 100644
index 0000000000..ae247fb154
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_nativewrappers.js
@@ -0,0 +1,39 @@
+/* eslint-disable strict */
+function run_test() {
+  Services.prefs.setBoolPref("security.allow_eval_with_system_principal", true);
+  registerCleanupFunction(() => {
+    Services.prefs.clearUserPref("security.allow_eval_with_system_principal");
+  });
+  const { addDebuggerToGlobal } = ChromeUtils.importESModule(
+    "resource://gre/modules/jsdebugger.sys.mjs"
+  );
+  addDebuggerToGlobal(globalThis);
+  const g = createTestGlobal("test1");
+
+  const dbg = makeDebugger();
+  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 = createTestGlobal("test2");
+  g2.g = g;
+  // Not using the "stringify a function" trick because that runs afoul of the
+  // Cu.importGlobalProperties lint and we don't need it here anyway.
+  g2.eval(`(function createBadEvent() {
+    Cu.importGlobalProperties(["DOMParser"]);
+    let parser = new DOMParser();
+    let doc = parser.parseFromString("<foo></foo>", "text/xml");
+    g.stopMe(doc.createEvent("MouseEvent"));
+  } )()`);
+
+  dbg.disable();
+}