| /* |

| * Copyright (c) 2019, 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. |

| */ |

| /** |

| * @assertion A cascade expression e..s translates as follows, where F is the |

| * translation of e and x and y are fresh object level variables: |

| * fn[k : Exp -> Exp] : Exp => |

| * F[fn[r : Exp] : Exp => let x = r in |

| * let y = EXP(x.s) |

| * in k[x] |

| * ] |

| * |

| * @description Check that a cascade expression e..s translates as follows, |

| * where F is the translation of e and x and y are fresh object level variables: |

| * fn[k : Exp -> Exp] : Exp => |

| * F[fn[r : Exp] : Exp => let x = r in |

| * let y = EXP(x.s) |

| * in k[x] |

| * ] |

| * @author sgrekhov@unipro.ru |

| */ |

| // Requirements=nnbd-strong |

| import "../../Utils/expect.dart"; |

| |

| class C { |

| int c1 = 0, c2 = 0; |

| String get log => "test1 called $c1 times, test2() called $c2 times"; |

| |

| String get test1 { |

| c1++; |

| return "Show must go on"; |

| } |

| |

| String test2() { |

| c2++; |

| return "Let it be"; |

| } |

| } |

| |

| main() { |

| C c1 = new C(); |

| |

| var actual1 = c1 .. test1; |

| var expected = c1; |

| Expect.equals(expected, actual1); |

| Expect.equals("test1 called 1 times, test2() called 0 times", c1.log); |

| |

| var actual2 = c1 .. test2(); |

| Expect.equals(expected, actual2); |

| Expect.equals("test1 called 1 times, test2() called 1 times", c1.log); |

| |

| var actual3 = c1 .. test1 .. test2(); |

| Expect.equals(expected, actual3); |

| Expect.equals("test1 called 2 times, test2() called 2 times", c1.log); |

| |

| C? c2 = new C(); |

| if (c2 != null) { |

| var actual4 = c2 .. test1; |

| var expected2 = c2; |

| Expect.equals(expected2, actual4); |

| Expect.equals("test1 called 1 times, test2() called 0 times", c2.log); |

| |

| var actual5 = c2 .. test2(); |

| Expect.equals(expected2, actual5); |

| Expect.equals("test1 called 1 times, test2() called 1 times", c2.log); |

| |

| var actual6 = c2 .. test1 .. test2(); |

| Expect.equals(expected2, actual6); |

| Expect.equals("test1 called 2 times, test2() called 2 times", c2.log); |

| } |

| } |