Expose arguments and options to handlers through JSONStream

tests/standalone/vmservice/isolate_echo_test.dart

Index: tests/standalone/vmservice/isolate_echo_test.dart
diff --git a/tests/standalone/vmservice/isolate_echo_test.dart b/tests/standalone/vmservice/isolate_echo_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..f5ed76184525a83a289924df80a39310d04cd7de
--- /dev/null
+++ b/tests/standalone/vmservice/isolate_echo_test.dart
@@ -0,0 +1,60 @@
+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library isolate_echo_test;
+
+import 'test_helper.dart';
+import 'package:expect/expect.dart';
+
+class EchoRequestTest extends VmServiceRequestHelper {
+  EchoRequestTest(port, id) :
+      super('http://127.0.0.1:$port/isolates/$id/_echo/foo/bar?a=b&k=&d=e&z=w');
+
+  onRequestCompleted(Map reply) {
+    Expect.equals('message', reply['type']);
+
+    Expect.equals(3, reply['message']['arguments'].length);
+    Expect.equals('_echo', reply['message']['arguments'][0]);
+    Expect.equals('foo', reply['message']['arguments'][1]);
+    Expect.equals('bar', reply['message']['arguments'][2]);
+
+    Expect.equals(4, reply['message']['option_keys'].length);
+    Expect.equals('a', reply['message']['option_keys'][0]);
+    Expect.equals('k', reply['message']['option_keys'][1]);
+    Expect.equals('d', reply['message']['option_keys'][2]);
+    Expect.equals('z', reply['message']['option_keys'][3]);
+
+    Expect.equals(4, reply['message']['option_values'].length);
+    Expect.equals('b', reply['message']['option_values'][0]);
+    Expect.equals('', reply['message']['option_values'][1]);
+    Expect.equals('e', reply['message']['option_values'][2]);
+    Expect.equals('w', reply['message']['option_values'][3]);
+  }
+}
+
+class IsolateListTest extends VmServiceRequestHelper {
+  IsolateListTest(port) : super('http://127.0.0.1:$port/isolates');
+
+  int _isolateId;
+  onRequestCompleted(Map reply) {
+    IsolateListTester tester = new IsolateListTester(reply);
+    tester.checkIsolateCount(1);
+    tester.checkIsolateNameContains('isolate_echo_script.dart');
+    _isolateId = reply['members'][0]['id'];
+  }
+}
+
+
+main() {
+  var process = new TestLauncher('isolate_echo_script.dart');
+  process.launch().then((port) {
+    var test = new IsolateListTest(port);
+    test.makeRequest().then((_) {
+      var echoRequestTest = new EchoRequestTest(port, test._isolateId);
+      echoRequestTest.makeRequest().then((_) {
+        process.requestExit();
+      });
+    });
+  });
+}