mirror of
https://github.com/dart-lang/sdk
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204651f3ab
Change-Id: Ib43d0d71a3ee8b0f0e6d676e6a3e448a107b7ca5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/95180 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Stephen Adams <sra@google.com>
146 lines
3.8 KiB
Dart
146 lines
3.8 KiB
Dart
// Copyright (c) 2015, 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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/// Regression test for dart2js that used to miscompile boolean and operations
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/// if one of the operands was an int and the other was not (issue 22427).
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///
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/// Extended to all operations as there is a risk of similar bugs with other
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/// operators, e.g. `a % 2` _looks_ like it might be 0 or 1.
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import "package:expect/expect.dart";
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@pragma('dart2js:assumeDynamic')
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@pragma('dart2js:noInline')
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confuse(x) => x;
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class Thing1 {
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operator &(b) => this;
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operator |(b) => this;
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operator ^(b) => this;
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operator <<(b) => this;
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operator >>(b) => this;
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operator +(b) => this;
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operator -(b) => this;
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operator *(b) => this;
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operator /(b) => this;
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operator ~/(b) => this;
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operator %(b) => this;
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remainder(b) => this;
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operator <(b) => this;
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operator <=(b) => this;
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operator >(b) => this;
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operator >=(b) => this;
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}
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class Thing2 {
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@pragma('dart2js:noInline')
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operator &(b) => this;
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@pragma('dart2js:noInline')
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operator |(b) => this;
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@pragma('dart2js:noInline')
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operator ^(b) => this;
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@pragma('dart2js:noInline')
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operator <<(b) => this;
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@pragma('dart2js:noInline')
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operator >>(b) => this;
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@pragma('dart2js:noInline')
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operator +(b) => this;
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@pragma('dart2js:noInline')
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operator -(b) => this;
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@pragma('dart2js:noInline')
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operator *(b) => this;
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@pragma('dart2js:noInline')
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operator /(b) => this;
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@pragma('dart2js:noInline')
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operator ~/(b) => this;
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@pragma('dart2js:noInline')
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operator %(b) => this;
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@pragma('dart2js:noInline')
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remainder(b) => this;
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@pragma('dart2js:noInline')
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operator <(b) => this;
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@pragma('dart2js:noInline')
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operator <=(b) => this;
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@pragma('dart2js:noInline')
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operator >(b) => this;
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@pragma('dart2js:noInline')
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operator >=(b) => this;
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}
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confused() {
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var a = new Thing1();
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Expect.equals(a, confuse(a) & 5 & 2);
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Expect.equals(a, confuse(a) | 5 | 2);
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Expect.equals(a, confuse(a) ^ 5 ^ 2);
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Expect.equals(a, confuse(a) << 5 << 2);
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Expect.equals(a, confuse(a) >> 5 >> 2);
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Expect.equals(a, confuse(a) + 5 + 2);
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Expect.equals(a, confuse(a) - 5 - 2);
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Expect.equals(a, confuse(a) * 5 * 2);
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Expect.equals(a, confuse(a) / 5 / 2);
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Expect.equals(a, confuse(a) % 5 % 2);
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Expect.equals(a, confuse(a) ~/ 5 ~/ 2);
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Expect.equals(a, confuse(a).remainder(5).remainder(2));
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Expect.equals(a, (confuse(a) < 5) < 2);
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Expect.equals(a, (confuse(a) <= 5) <= 2);
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Expect.equals(a, (confuse(a) > 5) > 2);
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Expect.equals(a, (confuse(a) >= 5) >= 2);
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}
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direct1() {
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var a = new Thing1();
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Expect.equals(a, a & 5 & 2);
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Expect.equals(a, a | 5 | 2);
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Expect.equals(a, a ^ 5 ^ 2);
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Expect.equals(a, a << 5 << 2);
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Expect.equals(a, a >> 5 >> 2);
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Expect.equals(a, a + 5 + 2);
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Expect.equals(a, a - 5 - 2);
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Expect.equals(a, a * 5 * 2);
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Expect.equals(a, a / 5 / 2);
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Expect.equals(a, a % 5 % 2);
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Expect.equals(a, a ~/ 5 ~/ 2);
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Expect.equals(a, a.remainder(5).remainder(2));
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Expect.equals(a, (a < 5) < 2);
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Expect.equals(a, (a <= 5) <= 2);
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Expect.equals(a, (a > 5) > 2);
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Expect.equals(a, (a >= 5) >= 2);
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}
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direct2() {
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var a = new Thing2();
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Expect.equals(a, a & 5 & 2);
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Expect.equals(a, a | 5 | 2);
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Expect.equals(a, a ^ 5 ^ 2);
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Expect.equals(a, a << 5 << 2);
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Expect.equals(a, a >> 5 >> 2);
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Expect.equals(a, a + 5 + 2);
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Expect.equals(a, a - 5 - 2);
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Expect.equals(a, a * 5 * 2);
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Expect.equals(a, a / 5 / 2);
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Expect.equals(a, a % 5 % 2);
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Expect.equals(a, a ~/ 5 ~/ 2);
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Expect.equals(a, a.remainder(5).remainder(2));
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Expect.equals(a, (a < 5) < 2);
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Expect.equals(a, (a <= 5) <= 2);
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Expect.equals(a, (a > 5) > 2);
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Expect.equals(a, (a >= 5) >= 2);
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}
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main() {
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confused();
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direct1();
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direct2();
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}
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