1 files changed, 131 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_objectgrips-25.js b/devtools/server/tests/xpcshell/test_objectgrips-25.js
new file mode 100644
index 0000000000..f80572bb19
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_objectgrips-25.js
@@ -0,0 +1,131 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test object with private properties (preview + enumPrivateProperties)
+
+"use strict";
+
+Services.prefs.setBoolPref("security.allow_eval_with_system_principal", true);
+registerCleanupFunction(() => {
+  Services.prefs.clearUserPref("security.allow_eval_with_system_principal");
+});
+
+function evalCode(debuggee) {
+  debuggee.eval(
+    function stopMe(obj) {
+      debugger;
+    }.toString()
+  );
+  debuggee.eval(`
+    class MyClass {
+      constructor(name, password) {
+        this.name = name;
+        this.#password = password;
+      }
+
+      #password;
+      #salt = "sEcr3t";
+      #getSaltedPassword() {
+        return this.#password + this.#salt;
+      }
+    }
+
+    stopMe(new MyClass("Susie", "p4$$w0rD"));
+  `);
+}
+
+add_task(
+  threadFrontTest(async ({ threadFront, debuggee }) => {
+    const packet = await executeOnNextTickAndWaitForPause(
+      () => evalCode(debuggee),
+      threadFront
+    );
+
+    const [grip] = packet.frame.arguments;
+
+    let { privateProperties } = grip.preview;
+    strictEqual(
+      privateProperties.length,
+      2,
+      "There is 2 private properties in the grip preview"
+    );
+    let [password, salt] = privateProperties;
+
+    strictEqual(
+      password.name,
+      "#password",
+      "Got expected name for #password private property in preview"
+    );
+    deepEqual(
+      password.descriptor,
+      {
+        configurable: true,
+        enumerable: false,
+        writable: true,
+        value: "p4$$w0rD",
+      },
+      "Got expected property descriptor for #password in preview"
+    );
+
+    strictEqual(
+      salt.name,
+      "#salt",
+      "Got expected name for #salt private property in preview"
+    );
+    deepEqual(
+      salt.descriptor,
+      {
+        configurable: true,
+        enumerable: false,
+        writable: true,
+        value: "sEcr3t",
+      },
+      "Got expected property descriptor for #salt in preview"
+    );
+
+    const objClient = threadFront.pauseGrip(grip);
+    const iterator = await objClient.enumPrivateProperties();
+    ({ privateProperties } = await iterator.slice(0, iterator.count));
+
+    strictEqual(
+      privateProperties.length,
+      2,
+      "enumPrivateProperties returned 2 private properties."
+    );
+    [password, salt] = privateProperties;
+
+    strictEqual(
+      password.name,
+      "#password",
+      "Got expected name for #password private property via enumPrivateProperties"
+    );
+    deepEqual(
+      password.descriptor,
+      {
+        configurable: true,
+        enumerable: false,
+        writable: true,
+        value: "p4$$w0rD",
+      },
+      "Got expected property descriptor for #password via enumPrivateProperties"
+    );
+
+    strictEqual(
+      salt.name,
+      "#salt",
+      "Got expected name for #salt private property via enumPrivateProperties"
+    );
+    deepEqual(
+      salt.descriptor,
+      {
+        configurable: true,
+        enumerable: false,
+        writable: true,
+        value: "sEcr3t",
+      },
+      "Got expected property descriptor for #salt via enumPrivateProperties"
+    );
+
+    await threadFront.resume();
+  })
+);