| // Copyright (c) 2011, 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. |
| // Dart test program for testing assign operators. |
| // VMOptions=--optimization-counter-threshold=10 --no-background-compilation |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| class AssignOpTest { |
| AssignOpTest() {} |
| |
| static testMain() { |
| var b = 0; |
| b += 1; |
| Expect.equals(1, b); |
| b *= 5; |
| Expect.equals(5, b); |
| b -= 1; |
| Expect.equals(4, b); |
| b ~/= 2; |
| Expect.equals(2, b); |
| |
| f = 0; |
| f += 1; |
| Expect.equals(1, f); |
| f *= 5; |
| Expect.equals(5, f); |
| f -= 1; |
| Expect.equals(4, f); |
| f ~/= 2; |
| Expect.equals(2, f); |
| f /= 4; |
| Expect.equals(.5, f); |
| |
| AssignOpTest.f = 0; |
| AssignOpTest.f += 1; |
| Expect.equals(1, AssignOpTest.f); |
| AssignOpTest.f *= 5; |
| Expect.equals(5, AssignOpTest.f); |
| AssignOpTest.f -= 1; |
| Expect.equals(4, AssignOpTest.f); |
| AssignOpTest.f ~/= 2; |
| Expect.equals(2, AssignOpTest.f); |
| AssignOpTest.f /= 4; |
| Expect.equals(.5, f); |
| |
| var o = new AssignOpTest(); |
| o.instf = 0; |
| o.instf += 1; |
| Expect.equals(1, o.instf); |
| o.instf *= 5; |
| Expect.equals(5, o.instf); |
| o.instf -= 1; |
| Expect.equals(4, o.instf); |
| o.instf ~/= 2; |
| Expect.equals(2, o.instf); |
| o.instf /= 4; |
| Expect.equals(.5, o.instf); |
| |
| var x = 0xFF; |
| x >>= 3; |
| Expect.equals(0x1F, x); |
| x <<= 3; |
| Expect.equals(0xF8, x); |
| x |= 0xF00; |
| Expect.equals(0xFF8, x); |
| x &= 0xF0; |
| Expect.equals(0xF0, x); |
| x ^= 0x11; |
| Expect.equals(0xE1, x); |
| |
| var y = 100; |
| y += 1 << 3; |
| Expect.equals(108, y); |
| y *= 2 + 1; |
| Expect.equals(324, y); |
| y -= 3 - 2; |
| Expect.equals(323, y); |
| y += 3 * 4; |
| Expect.equals(335, y); |
| |
| var a = [1, 2, 3]; |
| var ix = 0; |
| a[ix] |= 12; |
| Expect.equals(13, a[ix]); |
| } |
| |
| static var f; |
| var instf; |
| } |
| |
| main() { |
| for (int i = 0; i < 20; i++) { |
| AssignOpTest.testMain(); |
| } |
| } |