1 files changed, 57 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_objectgrips-24.js b/devtools/server/tests/xpcshell/test_objectgrips-24.js
new file mode 100644
index 0000000000..9d541c108d
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_objectgrips-24.js
@@ -0,0 +1,57 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test that ES6 classes grip have the expected properties.
+
+"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 }) => {
+    debuggee.eval(
+      function stopMe() {
+        debugger;
+      }.toString()
+    );
+
+    const tests = [
+      {
+        fn: `function(){}`,
+        isAsync: false,
+        isGenerator: false,
+      },
+      {
+        fn: `async function(){}`,
+        isAsync: true,
+        isGenerator: false,
+      },
+      {
+        fn: `function *(){}`,
+        isAsync: false,
+        isGenerator: true,
+      },
+      {
+        fn: `async function *(){}`,
+        isAsync: true,
+        isGenerator: true,
+      },
+    ];
+
+    for (const { fn, isAsync, isGenerator } of tests) {
+      const packet = await executeOnNextTickAndWaitForPause(
+        () => debuggee.eval(`stopMe(${fn})`),
+        threadFront
+      );
+      const [grip] = packet.frame.arguments;
+      strictEqual(grip.class, "Function");
+      strictEqual(grip.isAsync, isAsync);
+      strictEqual(grip.isGenerator, isGenerator);
+
+      await threadFront.resume();
+    }
+  })
+);