Robert Nystrom
fc1b1ecc71
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>
43 lines
1.1 KiB
Dart
43 lines
1.1 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import "package:expect/expect.dart";
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// Test of compile time constant local variables in outer function levels.
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const N = 8;
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class ConstFoo {
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final x;
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const ConstFoo(this.x);
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}
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getClosure() {
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const MIN = 2 - 1;
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const MAX = N * 2;
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const MASK = (1 << (MAX - MIN + 1)) - 1; // 65535.
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void foo() {
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Expect.equals(1, MIN);
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Expect.equals(16, MAX);
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Expect.equals(65535, MASK);
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// Refer to compile time constant local variables in outer scope.
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const s = 'MIN = $MIN MAX = $MAX MASK = $MASK';
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Expect.isTrue(identical(s, 'MIN = $MIN MAX = $MAX MASK = $MASK'));
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Expect.equals("MIN = 1 MAX = 16 MASK = 65535", s);
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var cf1 = const ConstFoo(MASK);
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var cf2 = const ConstFoo(s);
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var cf3 = const ConstFoo('MIN = $MIN MAX = $MAX MASK = $MASK');
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Expect.isTrue(identical(cf2, cf3));
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Expect.isFalse(identical(cf2, cf1));
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}
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return foo;
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}
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main() {
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var f = getClosure();
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f();
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}
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