Joshua Litt
05ca544f15
Change-Id: Iaa0ca2b4f2d1b15f79ddca37834d3ed2497bc068 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149242 Commit-Queue: Joshua Litt <joshualitt@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
39 lines
1.1 KiB
Dart
39 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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// @dart = 2.7
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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 = 1234567890123456789;
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const y = 1234567890123456788;
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const z = x - y;
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const a = 1.0;
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const b = a << 3; // //# 01: compile-time error
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const c = -0.0;
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const d = c << 1; // //# 02: compile-time error
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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); // //# 01: continued
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Expect.equals(8, 1.0 << 3); // //# 03: static type warning
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Expect.isTrue(1 == 1.0);
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Expect.equals(0, d); // //# 02: continued
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Expect.equals(0, -0.0 << 1); // //# 04: static type warning
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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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