dart-sdk/tests/language_2/const_conditional_test.dart
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

56 lines
2 KiB
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 for conditionals as compile-time constants.
import 'package:expect/expect.dart';
class Marker {
final field;
const Marker(this.field);
}
var var0 = const Marker(0);
var var1 = const Marker(1);
const const0 = const Marker(0);
const const1 = const Marker(1);
const trueConst = true;
const falseConst = false;
var nonConst = true;
const zeroConst = 0;
const cond1 = trueConst ? const0 : const1;
const cond1a = trueConst ? nonConst : const1; //# 01: compile-time error
const cond1b = trueConst ? const0 : nonConst; //# 02: compile-time error
const cond2 = falseConst ? const0 : const1;
const cond2a = falseConst ? nonConst : const1; //# 03: compile-time error
const cond2b = falseConst ? const0 : nonConst; //# 04: compile-time error
const cond3 = nonConst ? const0 : const1; //# 05: compile-time error
const cond3a = nonConst ? nonConst : const1; //# 06: compile-time error
const cond3b = nonConst ? const0 : nonConst; //# 07: compile-time error
const cond4 = zeroConst ? const0 : const1; //# 08: compile-time error
const cond4a = zeroConst ? nonConst : const1; //# 09: compile-time error
const cond4b = zeroConst ? const0 : nonConst; //# 10: compile-time error
void main() {
Expect.identical(var0, cond1);
Expect.identical(nonConst, cond1a); //# 01: continued
Expect.identical(var0, cond1b); //# 02: continued
Expect.identical(var1, cond2);
Expect.identical(var1, cond2a); //# 03: continued
Expect.identical(nonConst, cond2b); //# 04: continued
Expect.identical(var0, cond3); // //# 05: continued
Expect.identical(nonConst, cond3a); //# 06: continued
Expect.identical(var0, cond3b); //# 07: continued
Expect.identical(var1, cond4); // //# 08: continued
Expect.identical(var1, cond4a); //# 09: continued
Expect.identical(nonConst, cond4b); //# 10: continued
}