tests/compiler/dart2js/codegen/emit_const_fields_test.dart

// 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.
// Test that unused static consts are not emitted.

import "package:expect/expect.dart";
import "package:async_helper/async_helper.dart";
import '../compiler_helper.dart';

const String TEST_GUIDE = r"""
class Guide {
  static const LTUAE = 42;
  static const TITLE = 'Life, the Universe and Everything';
}

main() {
  return "${Guide.LTUAE}, ${Guide.TITLE}";
}
""";

main() {
  runTest({bool useKernel}) async {
    String generated = await compileAll(TEST_GUIDE,
        compileMode: useKernel ? CompileMode.kernel : CompileMode.memory);
    Expect.isTrue(generated.contains("42"));
    Expect.isFalse(generated.contains("TITLE"));
  }

  asyncTest(() async {
    print('--test from ast---------------------------------------------------');
    await runTest(useKernel: false);
    print('--test from kernel------------------------------------------------');
    await runTest(useKernel: true);
  });
}