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>
40 lines
1006 B
Dart
40 lines
1006 B
Dart
// Copyright (c) 2014, 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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f() {}
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const g = 1;
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const identical_ff = identical(f, f);
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const identical_fg = identical(f, g);
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const identical_gf = identical(g, f);
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const identical_gg = identical(g, g);
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// Verify proper compile time computation of identical()
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const a = const {
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identical_ff: 0, //# 01: compile-time error
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identical_gg: 0, //# 02: compile-time error
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true: 0
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};
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const b = const {
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identical_fg: 0, //# 03: compile-time error
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identical_gf: 0, //# 04: compile-time error
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false: 0
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};
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use(x) => x;
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main() {
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use(a);
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use(b);
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// Verify proper run time computation of identical()
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Expect.isTrue(identical_ff); //# 05: ok
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Expect.isTrue(identical_gg); //# 06: ok
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Expect.isFalse(identical_fg); //# 07: ok
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Expect.isFalse(identical_gf); //# 08: ok
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}
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