Bob Nystrom
a719910d78
Interesting bits: - Removed some behavior that is now unreachable in the presence of type errors. - Made if_null_behavior_test not a multitest since it doesn't need to be any more. - Likewise, if_null_evaluation_order_test never needed to be a multitest. R=lrn@google.com Review-Url: https://codereview.chromium.org/3003933002 .
40 lines
926 B
Dart
40 lines
926 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.
|
|
// Test efficient and correct implementation of !identical(a, b).
|
|
// VMOptions=--optimization-counter-threshold=10 --no-background-compilation
|
|
|
|
import 'package:expect/expect.dart';
|
|
|
|
notIdenticalTest1(a) {
|
|
if (!identical("ho", a)) {
|
|
return 2;
|
|
} else {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
notIdenticalTest2(a) {
|
|
var x = identical("ho", a);
|
|
if (!x) {
|
|
Expect.equals(false, x);
|
|
return x;
|
|
} else {
|
|
Expect.equals(true, x);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
notIdenticalTest3(a) {
|
|
var x = identical("ho", a);
|
|
return !x;
|
|
}
|
|
|
|
main() {
|
|
for (int i = 0; i < 20; i++) {
|
|
Expect.equals(1, notIdenticalTest1("ho"));
|
|
Expect.equals(1, notIdenticalTest2("ho"));
|
|
Expect.equals(false, notIdenticalTest3("ho"));
|
|
}
|
|
}
|