1 files changed, 28 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_attach.js b/devtools/server/tests/xpcshell/test_attach.js
new file mode 100644
index 0000000000..fb7d232e76
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_attach.js
@@ -0,0 +1,28 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const { ThreadFront } = require("resource://devtools/client/fronts/thread.js");
+const {
+  WindowGlobalTargetFront,
+} = require("resource://devtools/client/fronts/targets/window-global.js");
+
+/**
+ * Very naive test that checks threadClearTest helper.
+ * It ensures that the thread front is correctly attached.
+ */
+add_task(
+  threadFrontTest(({ threadFront, debuggee, client, targetFront }) => {
+    ok(true, "Thread actor was able to attach");
+    ok(threadFront instanceof ThreadFront, "Thread Front is valid");
+    Assert.equal(threadFront.state, "attached", "Thread Front is resumed");
+    Assert.equal(
+      Cu.getSandboxMetadata(debuggee),
+      undefined,
+      "Debuggee client is valid (getSandboxMetadata did not fail)"
+    );
+    ok(client instanceof DevToolsClient, "Client is valid");
+    ok(targetFront instanceof WindowGlobalTargetFront, "TargetFront is valid");
+  })
+);