Robert Nystrom
159de518e2
Change-Id: I28f61e1e85408acc5403bfe95f360df4c7cb5ece Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/425151 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse Nielsen <lrn@google.com> Commit-Queue: Lasse Nielsen <lrn@google.com>
93 lines
2.3 KiB
Dart
93 lines
2.3 KiB
Dart
// Copyright (c) 2024, 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=null-aware-elements
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import 'package:expect/expect.dart';
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String log = "";
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T sideEffect<T>(T t) {
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log = "${log}:${t}";
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return t;
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}
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main() {
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log = "";
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var map1 = {sideEffect<String>("one"): ?sideEffect<String?>("two")};
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Expect.equals(log, ":one:two");
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log = "";
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var map2 = {
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sideEffect<int>(0): sideEffect<int>(1),
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sideEffect<int>(2): ?sideEffect<int?>(3),
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?sideEffect<int?>(4): sideEffect<int>(5),
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?sideEffect<int?>(6): ?sideEffect<int?>(7),
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};
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Expect.equals(log, ":0:1:2:3:4:5:6:7");
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log = "";
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var map3 = {
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sideEffect<int>(0): sideEffect<int>(1),
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sideEffect<int>(2): ?sideEffect<int?>(3),
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?sideEffect<int?>(null): sideEffect<int>(5),
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?sideEffect<int?>(null): ?sideEffect<int?>(7),
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};
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Expect.equals(log, ":0:1:2:3:null:null");
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log = "";
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var list1 = [sideEffect<String>("one"), ?sideEffect<String?>("two")];
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Expect.equals(log, ":one:two");
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log = "";
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var list2 = [
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sideEffect<int>(0),
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sideEffect<int>(1),
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sideEffect<int>(2),
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?sideEffect<int?>(3),
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?sideEffect<int?>(4),
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sideEffect<int>(5),
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?sideEffect<int?>(6),
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?sideEffect<int?>(7),
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];
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Expect.equals(log, ":0:1:2:3:4:5:6:7");
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log = "";
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var list3 = [
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sideEffect<int>(0),
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sideEffect<int>(1),
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sideEffect<int>(2),
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?sideEffect<int?>(3),
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?sideEffect<int?>(null),
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sideEffect<int>(5),
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?sideEffect<int?>(null),
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?sideEffect<int?>(7),
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];
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Expect.equals(log, ":0:1:2:3:null:5:null:7");
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log = "";
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var set1 = {sideEffect<String>("one"), ?sideEffect<String?>("two")};
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Expect.equals(log, ":one:two");
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log = "";
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var set2 = {
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sideEffect<int>(0),
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sideEffect<int>(1),
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sideEffect<int>(2),
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?sideEffect<int?>(3),
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?sideEffect<int?>(4),
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sideEffect<int>(5),
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?sideEffect<int?>(6),
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?sideEffect<int?>(7),
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};
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Expect.equals(log, ":0:1:2:3:4:5:6:7");
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log = "";
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var set3 = {
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sideEffect<int>(0),
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sideEffect<int>(1),
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sideEffect<int>(2),
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?sideEffect<int?>(3),
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?sideEffect<int?>(null),
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sideEffect<int>(5),
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?sideEffect<int?>(null),
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?sideEffect<int?>(7),
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};
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Expect.equals(log, ":0:1:2:3:null:5:null:7");
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}
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