dart-sdk/tests/language/optimize/isempty_test.dart
Robert Nystrom c959c9aba7 Migrate language_2/optimize to NNBD.
Change-Id: I3f67dd79ff2ee745cc2ea161ce7150630e805c97
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150186
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Nicholas Shahan <nshahan@google.com>
2020-06-06 01:42:35 +00:00

21 lines
635 B
Dart

// Copyright (c) 2013, 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.
// VMOptions=--optimization-counter-threshold=10 --no-use-osr
// Test optimization and polymorphic inlining of String.isEmpty.
import "package:expect/expect.dart";
test(s) => s.isEmpty;
main() {
var x = "abc";
var y = [123, 12345, 765];
Expect.equals(false, test(x));
Expect.equals(false, test(y));
for (var i = 0; i < 20; i++) test(x);
Expect.equals(false, test(x));
Expect.equals(false, test(y));
}