1 files changed, 45 insertions, 0 deletions
diff --git a/devtools/server/tests/unit/test_promise_state-02.js b/devtools/server/tests/unit/test_promise_state-02.js
new file mode 100644
index 000000000..cf44f1946
--- /dev/null
+++ b/devtools/server/tests/unit/test_promise_state-02.js
@@ -0,0 +1,45 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Test that the preview in a Promise's grip is correct when the Promise is
+ * fulfilled.
+ */
+
+function run_test()
+{
+  initTestDebuggerServer();
+  const debuggee = addTestGlobal("test-promise-state");
+  const client = new DebuggerClient(DebuggerServer.connectPipe());
+  client.connect().then(function () {
+    attachTestTabAndResume(client, "test-promise-state", function (response, tabClient, threadClient) {
+      Task.spawn(function* () {
+        const packet = yield executeOnNextTickAndWaitForPause(() => evalCode(debuggee), client);
+
+        const grip = packet.frame.environment.bindings.variables.p;
+        ok(grip.value.preview);
+        equal(grip.value.class, "Promise");
+        equal(grip.value.promiseState.state, "fulfilled");
+        equal(grip.value.promiseState.value.actorID, packet.frame.arguments[0].actorID,
+              "The promise's fulfilled state value should be the same value passed to the then function");
+
+        finishClient(client);
+      });
+    });
+  });
+  do_test_pending();
+}
+
+function evalCode(debuggee) {
+  Components.utils.evalInSandbox(
+    "doTest();\n" +
+    function doTest() {
+      var resolved = Promise.resolve({});
+      resolved.then(() => {
+        var p = resolved;
+        debugger;
+      });
+    },
+    debuggee
+  );
+}