import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/server/tests/unit/test_client_close.js

@@ -0,0 +1,39 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+var gClient;
+var gDebuggee;
+
+function run_test()
+{
+  initTestDebuggerServer();
+  gDebuggee = testGlobal("test-1");
+  DebuggerServer.addTestGlobal(gDebuggee);
+
+  let transport = DebuggerServer.connectPipe();
+  gClient = new DebuggerClient(transport);
+  gClient.connect().then(function (aType, aTraits) {
+    attachTestTab(gClient, "test-1", function (aReply, aTabClient) {
+      test_close(transport);
+    });
+  });
+  do_test_pending();
+}
+
+function test_close(aTransport)
+{
+  // Check that, if we fake a transport shutdown
+  // (like if a device is unplugged)
+  // the client is automatically closed,
+  // and we can still call client.close.
+  let onClosed = function () {
+    gClient.removeListener("closed", onClosed);
+    ok(true, "Client emitted 'closed' event");
+    gClient.close().then(function () {
+      ok(true, "client.close() successfully called its callback");
+      do_test_finished();
+    });
+  };
+  gClient.addListener("closed", onClosed);
+  aTransport.close();
+}