Kevin Millikin
64b0ce5b58
The features control-flow-collections and spread-collections have been shipped and it is no longer necessary for tests to explicitly opt into them. Change-Id: I074b91d12e4e485ee4a64147947bb1113899ecdc Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/104780 Auto-Submit: Kevin Millikin <kmillikin@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com> Commit-Queue: Kevin Millikin <kmillikin@google.com>
68 lines
1.9 KiB
Dart
68 lines
1.9 KiB
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// SharedOptions=--enable-experiment=constant-update-2018
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import 'dart:collection';
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import 'helper_classes.dart';
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var nonConstList = <int>[];
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var nonConstMap = <int, String>{};
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const dynamic nonIterable = 3;
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const dynamic nonMap = 3;
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void main() {
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testList();
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testMap();
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testSet();
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}
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void testList() {
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// Must be constant.
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const _ = <int>[...nonConstList]; //# 01: compile-time error
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// Must be iterable.
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const _ = <int>[...nonIterable]; //# 02: compile-time error
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// Cannot be custom iterable type.
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const _ = <int>[...ConstIterable()]; //# 03: compile-time error
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}
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void testMap() {
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// Must be constant.
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const _ = <int, String>{...nonConstMap}; //# 04: compile-time error
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// Must be map.
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const _ = <int, String>{...nonMap}; //# 05: compile-time error
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// Cannot be custom map type.
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const _ = <int, String>{...ConstMap()}; //# 06: compile-time error
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// Cannot have key collision.
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const _ = <int, String>{1: "s", ...{1: "t"}}; //# 07: compile-time error
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const _ = <int, String>{...{1: "s"}, ...{1: "t"}}; //# 08: compile-time error
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}
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void testSet() {
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// Must be constant.
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const _ = <int>{...nonConstList}; //# 09: compile-time error
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// Must be iterable.
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const _ = <int>{...nonIterable}; //# 10: compile-time error
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// Cannot be custom iterable type.
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const _ = <int>{...ConstIterable()}; //# 11: compile-time error
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// Cannot override operator.==().
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const obj = 0.1;
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const _ = {...[0.1]}; //# 12: compile-time error
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const _ = {...[Duration(seconds: 0)]}; //# 13: compile-time error
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const _ = {...[obj]}; //# 14: compile-time error
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// Cannot have collision.
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const _ = {1, ...[1]}; //# 15: compile-time error
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const _ = {...[1], ...[1]}; //# 16: compile-time error
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}
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