Files
sdk/tests/language_2/vm/optimized_unique_selector_test.dart
T
Ben Konyi a87493f8ca Migrated test block 165 to Dart 2.0.
Minor changes to a couple of tests to make them strong-mode clean.

Bug:
Change-Id: Id0cac7a120dbdf940d101c3e5de8c206a0ad6342
Reviewed-on: https://dart-review.googlesource.com/4613
Commit-Queue: Ben Konyi <bkonyi@google.com>
Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
2017-09-21 19:00:36 +00:00

44 lines
953 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.
import "package:expect/expect.dart";
class A {
_uniqueSelector() {}
final uniqueField = 10;
}
test1(obj) {
var res = 0;
for (var i = 0; i < 2; i++) {
obj._uniqueSelector();
res += obj.uniqueField; // This load must not be hoisted out of the loop.
}
return res;
}
test2(obj) {
final objAlias = obj;
closure() => objAlias;
var res = 0;
for (var i = 0; i < 2; i++) {
obj._uniqueSelector();
res +=
objAlias.uniqueField; // This load must not be hoisted out of the loop.
}
return res;
}
var foofoo_ = test1;
main() {
Expect.equals(20, foofoo_(new A()));
Expect.throws(() => foofoo_(0));
foofoo_ = test2;
Expect.equals(20, foofoo_(new A()));
Expect.throws(() => foofoo_(0));
}