blob: 8a98bb393466963bb60b7279614e802218783fe0 [file] [log] [blame]
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
/// Regression test for dart2js that used to miscompile boolean and operations
/// if one of the operands was an int and the other was not (issue 22427).
///
/// Extended to all operations as there is a risk of similar bugs with other
/// operators, e.g. `a % 2` _looks_ like it might be 0 or 1.
import "package:expect/expect.dart";
@pragma('dart2js:assumeDynamic')
@pragma('dart2js:noInline')
confuse(x) => x;
class Thing1 {
operator &(b) => this;
operator |(b) => this;
operator ^(b) => this;
operator <<(b) => this;
operator >>(b) => this;
operator +(b) => this;
operator -(b) => this;
operator *(b) => this;
operator /(b) => this;
operator ~/(b) => this;
operator %(b) => this;
remainder(b) => this;
operator <(b) => this;
operator <=(b) => this;
operator >(b) => this;
operator >=(b) => this;
}
class Thing2 {
@pragma('dart2js:noInline')
operator &(b) => this;
@pragma('dart2js:noInline')
operator |(b) => this;
@pragma('dart2js:noInline')
operator ^(b) => this;
@pragma('dart2js:noInline')
operator <<(b) => this;
@pragma('dart2js:noInline')
operator >>(b) => this;
@pragma('dart2js:noInline')
operator +(b) => this;
@pragma('dart2js:noInline')
operator -(b) => this;
@pragma('dart2js:noInline')
operator *(b) => this;
@pragma('dart2js:noInline')
operator /(b) => this;
@pragma('dart2js:noInline')
operator ~/(b) => this;
@pragma('dart2js:noInline')
operator %(b) => this;
@pragma('dart2js:noInline')
remainder(b) => this;
@pragma('dart2js:noInline')
operator <(b) => this;
@pragma('dart2js:noInline')
operator <=(b) => this;
@pragma('dart2js:noInline')
operator >(b) => this;
@pragma('dart2js:noInline')
operator >=(b) => this;
}
confused() {
var a = new Thing1();
Expect.equals(a, confuse(a) & 5 & 2);
Expect.equals(a, confuse(a) | 5 | 2);
Expect.equals(a, confuse(a) ^ 5 ^ 2);
Expect.equals(a, confuse(a) << 5 << 2);
Expect.equals(a, confuse(a) >> 5 >> 2);
Expect.equals(a, confuse(a) + 5 + 2);
Expect.equals(a, confuse(a) - 5 - 2);
Expect.equals(a, confuse(a) * 5 * 2);
Expect.equals(a, confuse(a) / 5 / 2);
Expect.equals(a, confuse(a) % 5 % 2);
Expect.equals(a, confuse(a) ~/ 5 ~/ 2);
Expect.equals(a, confuse(a).remainder(5).remainder(2));
Expect.equals(a, (confuse(a) < 5) < 2);
Expect.equals(a, (confuse(a) <= 5) <= 2);
Expect.equals(a, (confuse(a) > 5) > 2);
Expect.equals(a, (confuse(a) >= 5) >= 2);
}
direct1() {
var a = new Thing1();
Expect.equals(a, a & 5 & 2);
Expect.equals(a, a | 5 | 2);
Expect.equals(a, a ^ 5 ^ 2);
Expect.equals(a, a << 5 << 2);
Expect.equals(a, a >> 5 >> 2);
Expect.equals(a, a + 5 + 2);
Expect.equals(a, a - 5 - 2);
Expect.equals(a, a * 5 * 2);
Expect.equals(a, a / 5 / 2);
Expect.equals(a, a % 5 % 2);
Expect.equals(a, a ~/ 5 ~/ 2);
Expect.equals(a, a.remainder(5).remainder(2));
Expect.equals(a, (a < 5) < 2);
Expect.equals(a, (a <= 5) <= 2);
Expect.equals(a, (a > 5) > 2);
Expect.equals(a, (a >= 5) >= 2);
}
direct2() {
var a = new Thing2();
Expect.equals(a, a & 5 & 2);
Expect.equals(a, a | 5 | 2);
Expect.equals(a, a ^ 5 ^ 2);
Expect.equals(a, a << 5 << 2);
Expect.equals(a, a >> 5 >> 2);
Expect.equals(a, a + 5 + 2);
Expect.equals(a, a - 5 - 2);
Expect.equals(a, a * 5 * 2);
Expect.equals(a, a / 5 / 2);
Expect.equals(a, a % 5 % 2);
Expect.equals(a, a ~/ 5 ~/ 2);
Expect.equals(a, a.remainder(5).remainder(2));
Expect.equals(a, (a < 5) < 2);
Expect.equals(a, (a <= 5) <= 2);
Expect.equals(a, (a > 5) > 2);
Expect.equals(a, (a >= 5) >= 2);
}
main() {
confused();
direct1();
direct2();
}