dart-sdk/tests/language_2/logical_expression4_test.dart
Jaime Wren 3e13e9783d Migrate Dart 2.0 test block 128
Change-Id: I3621006cbd2db4075f1ea55f5e34ecee688a2e18
Reviewed-on: https://dart-review.googlesource.com/13380
Commit-Queue: Jaime Wren <jwren@google.com>
Reviewed-by: Janice Collins <jcollins@google.com>
Reviewed-by: Jaime Wren <jwren@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
2017-10-12 17:35:02 +00:00

27 lines
776 B
Dart

// Copyright (c) 2014, 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 "package:expect/expect.dart";
bool nonInlinedNumTypeCheck(Object object) {
if (new DateTime.now().millisecondsSinceEpoch == 42) {
return nonInlinedNumTypeCheck(object);
}
return object is num;
}
int confuse(x) {
if (new DateTime.now().millisecondsSinceEpoch == 42) return confuse(x - 1);
return x;
}
main() {
var o = ["foo", 499][confuse(0)];
// The is-checks in the '!' must not be propagated to the if-body.
// This was a bug in dart2js.
if (!(o is num && o is num)) {
Expect.isFalse((nonInlinedNumTypeCheck(o)));
}
}