1 files changed, 84 insertions, 0 deletions
diff --git a/devtools/client/shared/test/browser_dbg_listtabs-01.js b/devtools/client/shared/test/browser_dbg_listtabs-01.js
new file mode 100644
index 0000000000..e804a6b91c
--- /dev/null
+++ b/devtools/client/shared/test/browser_dbg_listtabs-01.js
@@ -0,0 +1,84 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Make sure the listTabs request works as specified.
+ */
+
+var {
+  DevToolsServer,
+} = require("resource://devtools/server/devtools-server.js");
+var {
+  DevToolsClient,
+} = require("resource://devtools/client/devtools-client.js");
+
+const TAB1_URL = EXAMPLE_URL + "doc_empty-tab-01.html";
+const TAB2_URL = EXAMPLE_URL + "doc_empty-tab-02.html";
+
+add_task(async function test() {
+  DevToolsServer.init();
+  DevToolsServer.registerAllActors();
+
+  const transport = DevToolsServer.connectPipe();
+  const client = new DevToolsClient(transport);
+  const [aType] = await client.connect();
+  is(aType, "browser", "Root actor should identify itself as a browser.");
+
+  const firstTab = await testFirstTab(client);
+  const secondTab = await testSecondTab(client, firstTab.front);
+  await testRemoveTab(client, firstTab.tab);
+  await testAttachRemovedTab(secondTab.tab, secondTab.front);
+  await client.close();
+});
+
+async function testFirstTab(client) {
+  const tab = await addTab(TAB1_URL);
+
+  const front = await getDescriptorActorForUrl(client, TAB1_URL);
+  ok(front, "Should find a target actor for the first tab.");
+  return { tab, front };
+}
+
+async function testSecondTab(client, firstTabFront) {
+  const tab = await addTab(TAB2_URL);
+
+  const firstFront = await getDescriptorActorForUrl(client, TAB1_URL);
+  const secondFront = await getDescriptorActorForUrl(client, TAB2_URL);
+  is(firstFront, firstTabFront, "First tab's actor shouldn't have changed.");
+  ok(secondFront, "Should find a target actor for the second tab.");
+  return { tab, front: secondFront };
+}
+
+async function testRemoveTab(client, firstTab) {
+  await removeTab(firstTab);
+  const front = await getDescriptorActorForUrl(client, TAB1_URL);
+  ok(!front, "Shouldn't find a target actor for the first tab anymore.");
+}
+
+async function testAttachRemovedTab(secondTab, secondTabFront) {
+  await removeTab(secondTab);
+
+  const { actorID } = secondTabFront;
+  try {
+    await secondTabFront.getFavicon({});
+    ok(
+      false,
+      "any request made to the descriptor for a closed tab should have failed"
+    );
+  } catch (error) {
+    ok(
+      error.message.includes(
+        `Connection closed, pending request to ${actorID}, type getFavicon failed`
+      ),
+      "Actor is gone since the tab was removed."
+    );
+  }
+}
+
+async function getDescriptorActorForUrl(client, url) {
+  const tabDescriptors = await client.mainRoot.listTabs();
+  const tabDescriptor = tabDescriptors.find(front => front.url == url);
+  return tabDescriptor;
+}