Files
sdk/tests/language_2/const_switch_test.dart
T
Bob Nystrom e2cc730067 Migrate blocks 51 and 52.
It looks like some of the tests in this block were already migrated,
but I re-migrated them and made a few tweaks that I think make them
better 2.0 tests.

Change-Id: I6d9058a53408f046d7db34f2244eeeb2c5eda625
Reviewed-on: https://dart-review.googlesource.com/13620
Reviewed-by: Ben Konyi <bkonyi@google.com>
2017-10-13 22:46:23 +00:00

37 lines
816 B
Dart

// Copyright (c) 2014, 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';
class C {
final field;
const C(this.field);
}
const c1 = const C(0.0);
const c2 = const C(0);
const c3 = const C(0.5 + 0.5);
const c4 = const C(1);
main() {
Expect.equals('0.0', test(c1)); //# 01: ok
Expect.equals('0', test(c2)); //# 02: ok
Expect.equals('1.0', test(c3)); //# 03: ok
Expect.equals('1', test(c4)); //# 04: ok
}
String test(C c) {
switch (c) {
case const C(0.0):
return '0.0';
case const C(0):
return '0';
case const C(1.0):
return '1.0';
case const C(1):
return '1';
}
return null;
}