Support deserialized compilation of the empty program.

tests/compiler/dart2js/serialization_compilation_test.dart

+// Copyright (c) 2016, 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 dart2js.serialization_compilation_test;
+
+import 'dart:async';
+import 'package:async_helper/async_helper.dart';
+import 'package:expect/expect.dart';
+import 'package:compiler/src/commandline_options.dart';
+import 'package:compiler/src/common/backend_api.dart';
+import 'package:compiler/src/common/names.dart';
+import 'package:compiler/src/compiler.dart';
+import 'package:compiler/src/filenames.dart';
+import 'memory_compiler.dart';
+import 'serialization_helper.dart';
+import 'serialization_test_data.dart';
+import 'output_collector.dart';
+
+main(List<String> args) {
+  asyncTest(() async {
+    Arguments arguments = new Arguments.from(args);
+    String serializedData = await serializeDartCore(
+        arguments: arguments,
+        serializeResolvedAst: true);
+    if (arguments.filename != null) {
+      Uri entryPoint = Uri.base.resolve(nativeToUriPath(arguments.filename));
+      await compile(serializedData, entryPoint, null);
+    } else {
+      Uri entryPoint = Uri.parse('memory:main.dart');
+      // TODO(johnniwinther): Handle the remaining tests.
+      for (Test test in TESTS.sublist(0, 1)) {
+        await compile(serializedData, entryPoint, test,
+                      verbose: arguments.verbose);
+      }
+    }
+  });
+}
+
+Future compile(String serializedData, Uri entryPoint, Test test,
+               {bool verbose: false}) async {
+  String testDescription =
+      test != null ? test.sourceFiles[entryPoint.path] : '${entryPoint}';
+  print('------------------------------------------------------------------');
+  print('compile ${testDescription}');
+  print('------------------------------------------------------------------');
+  OutputCollector outputCollector = new OutputCollector();
+  await runCompiler(
+      entryPoint: entryPoint,
+      memorySourceFiles: test != null ? test.sourceFiles : const {},
+      options: [Flags.disableTypeInference,
+                Flags.disableInlining,
+                Flags.noSourceMaps],
+      outputProvider: outputCollector,
+      beforeRun: (Compiler compiler) {
+        deserialize(compiler, serializedData, deserializeResolvedAst: true);
+      });
+  if (verbose) {
+    print(outputCollector.getOutput('', 'js'));
+  }
+}
+