tests/compiler/dart2js/codegen/code_motion_test.dart

// Copyright (c) 2011, 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.

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

const String TEST_ONE = r"""
foo(int a, int b, bool param2) {
  // Make sure a and b become numbers.
  var c = a - b;
  for (int i = 0; i < 1; i++) {
    if (param2) {
      print(a + b);
    } else {
      print(a + b);
    }
  }
  return c;
}
""";

main() {
  runTest({bool useKernel}) async {
    await compile(TEST_ONE, useKernel: useKernel, entry: 'foo',
        check: (String generated) {
      RegExp regexp = new RegExp('a \\+ b');
      Iterator matches = regexp.allMatches(generated).iterator;
      Expect.isTrue(matches.moveNext());
      Expect.isFalse(matches.moveNext());
    });
  }

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