1 files changed, 75 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_objectgrips-19.js b/devtools/server/tests/xpcshell/test_objectgrips-19.js
new file mode 100644
index 0000000000..655c7d0f43
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_objectgrips-19.js
@@ -0,0 +1,75 @@
+/* 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, client }) => {
+    debuggee.eval(
+      function stopMe(arg1) {
+        debugger;
+      }.toString()
+    );
+    const tests = [
+      {
+        value: true,
+        class: "Boolean",
+      },
+      {
+        value: 123,
+        class: "Number",
+      },
+      {
+        value: "foo",
+        class: "String",
+      },
+      {
+        value: Symbol("bar"),
+        class: "Symbol",
+        name: "bar",
+      },
+    ];
+    for (const data of tests) {
+      debuggee.primitive = data.value;
+      const packet = await executeOnNextTickAndWaitForPause(() => {
+        debuggee.eval("stopMe(Object(primitive));");
+      }, threadFront);
+
+      const [grip] = packet.frame.arguments;
+      check_wrapped_primitive_grip(grip, data);
+
+      await threadFront.resume();
+    }
+  })
+);
+
+function check_wrapped_primitive_grip(grip, data) {
+  strictEqual(grip.class, data.class, "The grip has the proper class.");
+
+  if (!grip.preview) {
+    // In a worker thread Cu does not exist, the objects are considered unsafe and
+    // can't be unwrapped, so there is no preview.
+    return;
+  }
+
+  const value = grip.preview.wrappedValue;
+  if (data.class === "Symbol") {
+    strictEqual(
+      value.type,
+      "symbol",
+      "The wrapped value grip has symbol type."
+    );
+    strictEqual(
+      value.name,
+      data.name,
+      "The wrapped value grip has the proper name."
+    );
+  } else {
+    strictEqual(value, data.value, "The wrapped value is the primitive one.");
+  }
+}