Files
sdk/tests/language/async/and_or_test.dart
T
Robert Nystrom 16f072c783 Migrate language_2/async to NNBD.
Change-Id: Id66e712eaf52fda2069ce5177aa091e373ad52c1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134244
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Nicholas Shahan <nshahan@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
2020-02-27 23:04:03 +00:00

90 lines
2.4 KiB
Dart

// Copyright (c) 2015, 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 "dart:async";
import "package:expect/expect.dart";
import "package:async_helper/async_helper.dart";
@pragma('dart2js:noInline')
@pragma('dart2js:assumeDynamic')
confuse(x) {
return x;
}
test1() async {
Expect.isFalse(await confuse(false) && await confuse(false));
Expect.isFalse(await confuse(false) && await confuse(true));
Expect.isFalse(await confuse(true) && await confuse(false));
Expect.isTrue(await confuse(true) && await confuse(true));
Expect.isFalse(await confuse(false) || await confuse(false));
Expect.isTrue(await confuse(false) || await confuse(true));
Expect.isTrue(await confuse(true) || await confuse(false));
Expect.isTrue(await confuse(true) || await confuse(true));
}
String trace = "";
traceA(x) {
trace += "a";
return x;
}
traceB(x) {
trace += "b";
return x;
}
testEvaluation(Future<void> fn()) async {
trace = "";
await fn();
}
test2() async {
await testEvaluation(() async {
Expect.isFalse(
await confuse(traceA(false)) && await confuse(traceB(false)));
Expect.equals("a", trace);
});
await testEvaluation(() async {
Expect.isFalse(await confuse(traceA(false)) && await confuse(traceB(true)));
Expect.equals("a", trace);
});
await testEvaluation(() async {
Expect.isFalse(await confuse(traceA(true)) && await confuse(traceB(false)));
Expect.equals("ab", trace);
});
await testEvaluation(() async {
Expect.isTrue(await confuse(traceA(true)) && await confuse(traceB(true)));
Expect.equals("ab", trace);
});
await testEvaluation(() async {
Expect.isFalse(
await confuse(traceA(false)) || await confuse(traceB(false)));
Expect.equals("ab", trace);
});
await testEvaluation(() async {
Expect.isTrue(await confuse(traceA(false)) || await confuse(traceB(true)));
Expect.equals("ab", trace);
});
await testEvaluation(() async {
Expect.isTrue(await confuse(traceA(true)) || await confuse(traceB(false)));
Expect.equals("a", trace);
});
await testEvaluation(() async {
Expect.isTrue(await confuse(traceA(true)) || await confuse(traceB(true)));
Expect.equals("a", trace);
});
}
test() async {
await test1();
await test2();
}
main() {
asyncStart();
test().then((_) => asyncEnd());
}