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sdk/tests/language_2/optimize/pure_function2_test.dart
T
Robert Nystrom fc1b1ecc71 Move files under language_2 into subdirectories.
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>
2019-12-11 19:18:00 +00:00

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814 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";
// Regression test for issue 17483.
confuse(x) {
if (new DateTime.now().millisecondsSinceEpoch == 42) return confuse(x);
return x;
}
foo(trace) {
trace.add("foo");
return "foo";
}
bar(trace) {
trace.add("bar");
return "bar";
}
main() {
var f = confuse(foo);
var b = confuse(bar);
var trace = [];
// Dart2js must keep the order of t1 and t2.
var t1 = f(trace);
var t2 = b(trace);
var t3 = identical(t2, "foo");
trace.add(t1);
trace.add(t3);
trace.add(t3);
Expect.listEquals(["foo", "bar", "foo", false, false], trace);
}