dart-sdk/tests/language_2/interceptor9_test.dart
Bob Nystrom 74e4ccdeb8 Migrate block 120.
Change-Id: Ia5a433e70ab3bdf953a116a0b65de42138125d2b
Reviewed-on: https://dart-review.googlesource.com/6347
Reviewed-by: Bob Nystrom <rnystrom@google.com>
2017-09-20 22:23:58 +00:00

33 lines
826 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.
// Regression test for dart2js whose codegen in some cases did not take is
// tests into account when computing the set of classes for interceptors.
// See http://dartbug.com/17325
import "package:expect/expect.dart";
import "dart:typed_data";
confuse(x, [y = null]) => new DateTime.now().day == 42 ? y : x;
boom() {
var x = confuse(new Uint8List(22), "");
Expect.isTrue(x is Uint8List);
x.startsWith("a");
x.endsWith("u");
}
main() {
try {
var f;
if (confuse(true)) {
// prevent inlining
f = boom;
}
f();
} catch (e) {
if (e is ExpectException) throw e;
}
}