John Messerly
47 lines
1.6 KiB
Dart
47 lines
1.6 KiB
Dart
// Copyright (c) 2011, 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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// Check that initializers of static const fields are compile time constants.
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import "package:expect/expect.dart";
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class CanonicalConstTest {
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static const A = const C1();
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static const B = const C2();
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static testMain() {
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Expect.identical(null, null);
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Expect.isFalse(identical(null, 0));
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Expect.identical(1, 1);
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Expect.isFalse(identical(1, 2));
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Expect.identical(true, true);
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Expect.identical("so", "so");
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Expect.identical(const Object(), const Object());
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Expect.isFalse(identical(const Object(), const C1()));
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Expect.identical(const C1(), const C1());
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Expect.identical(A, const C1());
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Expect.isFalse(identical(const C1(), const C2()));
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Expect.identical(B, const C2());
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// TODO(johnlenz): these two values don't currently have the same type
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// Expect.identical(const [1,2], const List[1,2]);
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Expect.isFalse(identical(const [2,1], const[1,2]));
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Expect.identical(const <int>[1,2], const <int>[1,2]);
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Expect.identical(const <Object>[1,2], const <Object>[1,2]);
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Expect.isFalse(identical(const <int>[1,2], const <double>[1.0,2.0]));
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Expect.identical(const {"a":1, "b":2}, const {"a":1, "b":2});
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Expect.isFalse(identical(const {"a":1, "b":2}, const {"a":2, "b":2}));
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}
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}
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class C1 {
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const C1();
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}
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class C2 extends C1 {
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const C2() : super();
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}
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main() {
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CanonicalConstTest.testMain();
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}
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