floitsch@google.com
8fd6d0aafd
Committed: https://code.google.com/p/dart/source/detail?r=19755 Reverted: http://code.google.com/p/dart/source/detail?r=19756 Review URL: https://codereview.chromium.org//12212016 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@20996 260f80e4-7a28-3924-810f-c04153c831b5
37 lines
1.2 KiB
Dart
37 lines
1.2 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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// Make sure we use JavaScript semantics when compiling compile-time constants.
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const x = 12345678901234567891;
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const y = 12345678901234567890;
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const z = x - y;
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const a = 1.0;
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const b = a << 3; // This would not be valid with Dart semantics.
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const c = -0.0;
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const d = c << 1; // This would not be valid with Dart semantics.
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foo() => 12345678901234567891 - 12345678901234567890;
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main() {
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Expect.equals(0, z);
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Expect.equals(0, x - y);
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Expect.equals(0, foo());
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Expect.isTrue(x is double);
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Expect.isTrue(x is int);
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Expect.equals(8, b);
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Expect.equals(8, 1.0 << 3); // This would not be valid with Dart semantics.
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Expect.isTrue(1 == 1.0);
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Expect.equals(0, d);
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Expect.equals(0, -0.0 << 1); // This would not be valid with Dart semantics.
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// Make sure the 1 is not shifted into the 32 bit range.
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Expect.equals(0, 0x100000000 >> 3);
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// The dynamic int-check also allows -0.0.
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Expect.isTrue((-0.0) is int);
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}
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