John Messerly
46 lines
1.2 KiB
Dart
46 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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// Dart test program for testing params.
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// VMOptions=--optimization-counter-threshold=10
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import "package:expect/expect.dart";
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main() {
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for (int i = 0; i < 20; i++) testNumberIdentity();
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}
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testNumberIdentity () {
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const int smi = 8;
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const int mint = 9223372036854775806;
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const int bigint = 22107138293752210713829375;
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const double dbl = 8.0;
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var a = smi;
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var b = a + 0;
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Expect.isTrue(identical(a, b));
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Expect.isFalse(identical(b, mint));
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Expect.isFalse(identical(b, bigint));
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a = mint;
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b = a + 0;
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Expect.isTrue(identical(a, b));
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Expect.isFalse(identical(b, smi));
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Expect.isFalse(identical(b, bigint));
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Expect.isFalse(identical(b, dbl));
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a = bigint;
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b = a + 0;
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Expect.isTrue(identical(a, b));
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Expect.isFalse(identical(b, smi));
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Expect.isFalse(identical(b, mint));
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Expect.isFalse(identical(b, dbl));
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a = dbl;
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b = a + 0.0;
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Expect.isTrue(identical(a, b));
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Expect.isFalse(identical(b, mint));
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Expect.isFalse(identical(b, bigint));
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}
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