Robert Nystrom
fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
90 lines
2.4 KiB
Dart
90 lines
2.4 KiB
Dart
// Copyright (c) 2015, 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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import "dart:async";
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import "package:expect/expect.dart";
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import "package:async_helper/async_helper.dart";
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@pragma('dart2js:noInline')
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@pragma('dart2js:assumeDynamic')
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confuse(x) {
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return x;
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}
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test1() async {
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Expect.isFalse(await confuse(false) && await confuse(false));
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Expect.isFalse(await confuse(false) && await confuse(true));
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Expect.isFalse(await confuse(true) && await confuse(false));
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Expect.isTrue(await confuse(true) && await confuse(true));
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Expect.isFalse(await confuse(false) || await confuse(false));
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Expect.isTrue(await confuse(false) || await confuse(true));
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Expect.isTrue(await confuse(true) || await confuse(false));
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Expect.isTrue(await confuse(true) || await confuse(true));
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}
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String trace;
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traceA(x) {
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trace += "a";
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return x;
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}
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traceB(x) {
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trace += "b";
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return x;
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}
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testEvaluation(Future<void> fn()) async {
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trace = "";
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await fn();
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}
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test2() async {
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await testEvaluation(() async {
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Expect.isFalse(
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await confuse(traceA(false)) && await confuse(traceB(false)));
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Expect.equals("a", trace);
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});
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await testEvaluation(() async {
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Expect.isFalse(await confuse(traceA(false)) && await confuse(traceB(true)));
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Expect.equals("a", trace);
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});
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await testEvaluation(() async {
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Expect.isFalse(await confuse(traceA(true)) && await confuse(traceB(false)));
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Expect.equals("ab", trace);
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});
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await testEvaluation(() async {
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Expect.isTrue(await confuse(traceA(true)) && await confuse(traceB(true)));
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Expect.equals("ab", trace);
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});
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await testEvaluation(() async {
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Expect.isFalse(
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await confuse(traceA(false)) || await confuse(traceB(false)));
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Expect.equals("ab", trace);
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});
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await testEvaluation(() async {
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Expect.isTrue(await confuse(traceA(false)) || await confuse(traceB(true)));
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Expect.equals("ab", trace);
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});
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await testEvaluation(() async {
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Expect.isTrue(await confuse(traceA(true)) || await confuse(traceB(false)));
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Expect.equals("a", trace);
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});
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await testEvaluation(() async {
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Expect.isTrue(await confuse(traceA(true)) || await confuse(traceB(true)));
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Expect.equals("a", trace);
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});
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}
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test() async {
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await test1();
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await test2();
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}
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main() {
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asyncStart();
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test().then((_) => asyncEnd());
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}
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